<?php

declare(strict_types=1);

namespace App\Filament\Pages\Workspaces;

use App\Filament\Pages\TenantDashboard;
use App\Jobs\ProviderComplianceSnapshotJob;
use App\Jobs\ProviderConnectionHealthCheckJob;
use App\Jobs\ProviderInventorySyncJob;
use App\Models\OperationRun;
use App\Models\ProviderConnection;
use App\Models\Tenant;
use App\Models\TenantMembership;
use App\Models\TenantOnboardingSession;
use App\Models\User;
use App\Models\Workspace;
use App\Services\Audit\WorkspaceAuditLogger;
use App\Services\Auth\TenantMembershipManager;
use App\Services\OperationRunService;
use App\Services\Providers\CredentialManager;
use App\Services\Providers\ProviderOperationRegistry;
use App\Services\Providers\ProviderOperationStartGate;
use App\Support\Audit\AuditActionId;
use App\Support\Auth\Capabilities;
use App\Support\OperationRunLinks;
use App\Support\Workspaces\WorkspaceContext;
use Filament\Actions\Action;
use Filament\Forms\Components\CheckboxList;
use Filament\Forms\Components\Radio;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Toggle;
use Filament\Notifications\Notification;
use Filament\Pages\Page;
use Filament\Schemas\Components\Actions as SchemaActions;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Components\Text;
use Filament\Schemas\Components\Utilities\Get;
use Filament\Schemas\Components\Wizard;
use Filament\Schemas\Components\Wizard\Step;
use Filament\Schemas\Schema;
use Filament\Support\Enums\Width;
use Filament\Support\Exceptions\Halt;
use Illuminate\Database\QueryException;
use Illuminate\Support\Facades\DB;
use RuntimeException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

class ManagedTenantOnboardingWizard extends Page
{
    protected static string $layout = 'filament-panels::components.layout.simple';

    protected Width|string|null $maxContentWidth = Width::ScreenExtraLarge;

    protected static bool $shouldRegisterNavigation = false;

    protected static bool $isDiscovered = false;

    protected static ?string $title = 'Managed tenant onboarding';

    public Workspace $workspace;

    public ?Tenant $managedTenant = null;

    public ?TenantOnboardingSession $onboardingSession = null;

    public ?int $selectedProviderConnectionId = null;

    /**
     * Filament schema state.
     *
     * @var array<string, mixed>
     */
    public array $data = [];

    /**
     * @var array<int, string>
     */
    public array $selectedBootstrapOperationTypes = [];

    /**
     * @return array<Action>
     */
    protected function getHeaderActions(): array
    {
        return [];
    }

    public function mount(Workspace $workspace): void
    {
        $this->workspace = $workspace;

        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        if (! app(WorkspaceContext::class)->isMember($user, $workspace)) {
            abort(404);
        }

        if (! $user->can(Capabilities::WORKSPACE_MANAGED_TENANT_ONBOARD, $workspace)) {
            abort(403);
        }

        $this->resumeLatestOnboardingSessionIfUnambiguous();

        $this->initializeWizardData();
    }

    public function content(Schema $schema): Schema
    {
        return $schema
            ->statePath('data')
            ->schema([
                Wizard::make([
                    Step::make('Identify managed tenant')
                        ->description('Create or resume a pending managed tenant in this workspace.')
                        ->schema([
                            Section::make('Tenant')
                                ->schema([
                                    TextInput::make('tenant_id')
                                        ->label('Tenant ID (GUID)')
                                        ->required()
                                        ->rules(['uuid'])
                                        ->maxLength(255),
                                    TextInput::make('name')
                                        ->label('Display name')
                                        ->required()
                                        ->maxLength(255),
                                ]),
                        ])
                        ->afterValidation(function (): void {
                            $tenantGuid = (string) ($this->data['tenant_id'] ?? '');
                            $tenantName = (string) ($this->data['name'] ?? '');

                            try {
                                $this->identifyManagedTenant([
                                    'tenant_id' => $tenantGuid,
                                    'name' => $tenantName,
                                ]);
                            } catch (NotFoundHttpException) {
                                Notification::make()
                                    ->title('Tenant not available')
                                    ->body('This tenant cannot be onboarded in this workspace.')
                                    ->danger()
                                    ->send();

                                throw new Halt;
                            }

                            $this->initializeWizardData();
                        }),

                    Step::make('Provider connection')
                        ->description('Select an existing connection or create a new one.')
                        ->schema([
                            Section::make('Connection')
                                ->schema([
                                    Radio::make('connection_mode')
                                        ->label('Mode')
                                        ->options([
                                            'existing' => 'Use existing connection',
                                            'new' => 'Create new connection',
                                        ])
                                        ->required()
                                        ->default('existing')
                                        ->live(),
                                    Select::make('provider_connection_id')
                                        ->label('Provider connection')
                                        ->required(fn (Get $get): bool => $get('connection_mode') === 'existing')
                                        ->options(fn (): array => $this->providerConnectionOptions())
                                        ->visible(fn (Get $get): bool => $get('connection_mode') === 'existing'),

                                    TextInput::make('new_connection.display_name')
                                        ->label('Display name')
                                        ->required(fn (Get $get): bool => $get('connection_mode') === 'new')
                                        ->maxLength(255)
                                        ->visible(fn (Get $get): bool => $get('connection_mode') === 'new'),
                                    TextInput::make('new_connection.client_id')
                                        ->label('Client ID')
                                        ->required(fn (Get $get): bool => $get('connection_mode') === 'new')
                                        ->maxLength(255)
                                        ->visible(fn (Get $get): bool => $get('connection_mode') === 'new'),
                                    TextInput::make('new_connection.client_secret')
                                        ->label('Client secret')
                                        ->password()
                                        ->required(fn (Get $get): bool => $get('connection_mode') === 'new')
                                        ->maxLength(255)
                                        ->visible(fn (Get $get): bool => $get('connection_mode') === 'new')
                                        ->helperText('Stored encrypted and never shown again.'),
                                    Toggle::make('new_connection.is_default')
                                        ->label('Make default')
                                        ->default(true)
                                        ->visible(fn (Get $get): bool => $get('connection_mode') === 'new'),
                                ]),
                        ])
                        ->afterValidation(function (): void {
                            if (! $this->managedTenant instanceof Tenant) {
                                throw new Halt;
                            }

                            $mode = (string) ($this->data['connection_mode'] ?? 'existing');

                            if ($mode === 'new') {
                                $new = is_array($this->data['new_connection'] ?? null) ? $this->data['new_connection'] : [];

                                $this->createProviderConnection([
                                    'display_name' => (string) ($new['display_name'] ?? ''),
                                    'client_id' => (string) ($new['client_id'] ?? ''),
                                    'client_secret' => (string) ($new['client_secret'] ?? ''),
                                    'is_default' => (bool) ($new['is_default'] ?? true),
                                ]);

                                if (is_array($this->data['new_connection'] ?? null)) {
                                    $this->data['new_connection']['client_secret'] = null;
                                }
                            } else {
                                $providerConnectionId = (int) ($this->data['provider_connection_id'] ?? 0);

                                if ($providerConnectionId <= 0) {
                                    throw new Halt;
                                }

                                $this->selectProviderConnection($providerConnectionId);
                            }

                            $this->touchOnboardingSessionStep('connection');
                            $this->initializeWizardData();
                        }),

                    Step::make('Verify access')
                        ->description('Run a queued verification check (Operation Run).')
                        ->schema([
                            Section::make('Verification')
                                ->schema([
                                    Text::make(fn (): string => 'Status: '.$this->verificationStatusLabel())
                                        ->badge()
                                        ->color(fn (): string => $this->verificationHasSucceeded() ? 'success' : 'warning'),
                                    SchemaActions::make([
                                        Action::make('wizardStartVerification')
                                            ->label('Start verification')
                                            ->visible(fn (): bool => $this->managedTenant instanceof Tenant)
                                            ->action(fn () => $this->startVerification()),
                                        Action::make('wizardViewVerificationRun')
                                            ->label('View run')
                                            ->url(fn (): ?string => $this->verificationRunUrl())
                                            ->visible(fn (): bool => $this->verificationRunUrl() !== null),
                                    ]),
                                ]),
                        ])
                        ->beforeValidation(function (): void {
                            if (! $this->verificationHasSucceeded()) {
                                Notification::make()
                                    ->title('Verification required')
                                    ->body('Run verification successfully before continuing.')
                                    ->warning()
                                    ->send();

                                throw new Halt;
                            }

                            $this->touchOnboardingSessionStep('verify');
                        }),

                    Step::make('Bootstrap (optional)')
                        ->description('Optionally start inventory and compliance operations.')
                        ->schema([
                            Section::make('Bootstrap')
                                ->schema([
                                    CheckboxList::make('bootstrap_operation_types')
                                        ->label('Bootstrap actions')
                                        ->options(fn (): array => $this->bootstrapOperationOptions())
                                        ->columns(1),
                                    SchemaActions::make([
                                        Action::make('wizardStartBootstrap')
                                            ->label('Start bootstrap')
                                            ->visible(fn (): bool => $this->managedTenant instanceof Tenant)
                                            ->action(fn () => $this->startBootstrap((array) ($this->data['bootstrap_operation_types'] ?? []))),
                                    ]),
                                    Text::make(fn (): string => $this->bootstrapRunsLabel())
                                        ->hidden(fn (): bool => $this->bootstrapRunsLabel() === ''),
                                ]),
                        ])
                        ->afterValidation(function (): void {
                            $types = $this->data['bootstrap_operation_types'] ?? [];
                            $this->selectedBootstrapOperationTypes = is_array($types)
                                ? array_values(array_filter($types, static fn ($v): bool => is_string($v) && $v !== ''))
                                : [];

                            $this->touchOnboardingSessionStep('bootstrap');
                        }),

                    Step::make('Complete')
                        ->description('Activate the tenant and finish onboarding.')
                        ->schema([
                            Section::make('Finish')
                                ->schema([
                                    Text::make(fn (): string => $this->managedTenant instanceof Tenant
                                        ? 'Tenant: '.$this->managedTenant->name
                                        : 'Tenant: not selected')
                                        ->badge()
                                        ->color('gray'),
                                    Text::make(fn (): string => 'Verification: '.($this->verificationHasSucceeded() ? 'succeeded' : 'not yet succeeded'))
                                        ->badge()
                                        ->color(fn (): string => $this->verificationHasSucceeded() ? 'success' : 'warning'),
                                    SchemaActions::make([
                                        Action::make('wizardCompleteOnboarding')
                                            ->label('Complete onboarding')
                                            ->color('success')
                                            ->disabled(fn (): bool => ! $this->verificationHasSucceeded())
                                            ->action(fn () => $this->completeOnboarding()),
                                    ]),
                                ]),
                        ])
                        ->beforeValidation(function (): void {
                            if (! $this->verificationHasSucceeded()) {
                                throw new Halt;
                            }
                        }),
                ])
                    ->startOnStep(fn (): int => $this->computeWizardStartStep())
                    ->skippable(false),
            ]);
    }

    private function resumeLatestOnboardingSessionIfUnambiguous(): void
    {
        $sessionCount = TenantOnboardingSession::query()
            ->where('workspace_id', (int) $this->workspace->getKey())
            ->whereNull('completed_at')
            ->count();

        if ($sessionCount !== 1) {
            return;
        }

        $session = TenantOnboardingSession::query()
            ->where('workspace_id', (int) $this->workspace->getKey())
            ->whereNull('completed_at')
            ->orderByDesc('updated_at')
            ->first();

        if (! $session instanceof TenantOnboardingSession) {
            return;
        }

        $tenant = Tenant::query()
            ->where('workspace_id', (int) $this->workspace->getKey())
            ->whereKey((int) $session->tenant_id)
            ->first();

        if (! $tenant instanceof Tenant) {
            return;
        }

        $this->managedTenant = $tenant;
        $this->onboardingSession = $session;

        $providerConnectionId = $session->state['provider_connection_id'] ?? null;
        $this->selectedProviderConnectionId = is_int($providerConnectionId)
            ? $providerConnectionId
            : $this->resolveDefaultProviderConnectionId($tenant);

        $bootstrapTypes = $session->state['bootstrap_operation_types'] ?? [];
        $this->selectedBootstrapOperationTypes = is_array($bootstrapTypes)
            ? array_values(array_filter($bootstrapTypes, static fn ($v): bool => is_string($v) && $v !== ''))
            : [];
    }

    private function initializeWizardData(): void
    {
        if (! array_key_exists('connection_mode', $this->data)) {
            $this->data['connection_mode'] = 'existing';
        }

        if ($this->managedTenant instanceof Tenant) {
            $this->data['tenant_id'] ??= (string) $this->managedTenant->tenant_id;
            $this->data['name'] ??= (string) $this->managedTenant->name;
        }

        if ($this->onboardingSession instanceof TenantOnboardingSession) {
            $providerConnectionId = $this->onboardingSession->state['provider_connection_id'] ?? null;
            if (is_int($providerConnectionId)) {
                $this->data['provider_connection_id'] = $providerConnectionId;
                $this->selectedProviderConnectionId = $providerConnectionId;
            }

            $types = $this->onboardingSession->state['bootstrap_operation_types'] ?? null;
            if (is_array($types)) {
                $this->data['bootstrap_operation_types'] = array_values(array_filter($types, static fn ($v): bool => is_string($v) && $v !== ''));
            }
        }

        if (($this->data['provider_connection_id'] ?? null) === null && $this->selectedProviderConnectionId !== null) {
            $this->data['provider_connection_id'] = $this->selectedProviderConnectionId;
        }
    }

    private function computeWizardStartStep(): int
    {
        if (! $this->managedTenant instanceof Tenant) {
            return 1;
        }

        if (! $this->resolveSelectedProviderConnection($this->managedTenant)) {
            return 2;
        }

        if (! $this->verificationHasSucceeded()) {
            return 3;
        }

        return 4;
    }

    /**
     * @return array<int, string>
     */
    private function providerConnectionOptions(): array
    {
        if (! $this->managedTenant instanceof Tenant) {
            return [];
        }

        return ProviderConnection::query()
            ->where('tenant_id', $this->managedTenant->getKey())
            ->orderByDesc('is_default')
            ->orderBy('display_name')
            ->pluck('display_name', 'id')
            ->all();
    }

    private function verificationStatusLabel(): string
    {
        if (! $this->managedTenant instanceof Tenant) {
            return 'not started';
        }

        if ($this->verificationHasSucceeded()) {
            return 'succeeded';
        }

        $runId = $this->onboardingSession?->state['verification_operation_run_id'] ?? null;

        return is_int($runId) ? 'running or failed' : 'not started';
    }

    private function verificationRunUrl(): ?string
    {
        if (! $this->managedTenant instanceof Tenant) {
            return null;
        }

        if (! $this->onboardingSession instanceof TenantOnboardingSession) {
            return null;
        }

        $runId = $this->onboardingSession->state['verification_operation_run_id'] ?? null;

        if (! is_int($runId)) {
            return null;
        }

        return OperationRunLinks::view($runId, $this->managedTenant);
    }

    private function bootstrapRunsLabel(): string
    {
        if (! $this->onboardingSession instanceof TenantOnboardingSession) {
            return '';
        }

        $runs = $this->onboardingSession->state['bootstrap_operation_runs'] ?? null;
        $runs = is_array($runs) ? $runs : [];

        if ($runs === []) {
            return '';
        }

        return sprintf('Started %d bootstrap run(s).', count($runs));
    }

    private function touchOnboardingSessionStep(string $step): void
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        if (! $this->onboardingSession instanceof TenantOnboardingSession) {
            return;
        }

        $this->onboardingSession->forceFill([
            'current_step' => $step,
            'updated_by_user_id' => (int) $user->getKey(),
        ])->save();
    }

    private function authorizeWorkspaceMutation(User $user): void
    {
        if (! app(WorkspaceContext::class)->isMember($user, $this->workspace)) {
            abort(404);
        }

        if (! $user->can(Capabilities::WORKSPACE_MANAGED_TENANT_ONBOARD, $this->workspace)) {
            abort(403);
        }
    }

    private function resolveWorkspaceIdForUnboundTenant(Tenant $tenant): ?int
    {
        $workspaceId = DB::table('tenant_memberships')
            ->join('workspace_memberships', 'workspace_memberships.user_id', '=', 'tenant_memberships.user_id')
            ->where('tenant_memberships.tenant_id', (int) $tenant->getKey())
            ->orderByRaw("CASE tenant_memberships.role WHEN 'owner' THEN 0 WHEN 'manager' THEN 1 WHEN 'operator' THEN 2 ELSE 3 END")
            ->value('workspace_memberships.workspace_id');

        return $workspaceId === null ? null : (int) $workspaceId;
    }

    /**
     * @param  array{tenant_id: string, name: string}  $data
     */
    public function identifyManagedTenant(array $data): void
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        $this->authorizeWorkspaceMutation($user);

        $tenantGuid = $data['tenant_id'];
        $tenantName = $data['name'];

        DB::transaction(function () use ($user, $tenantGuid, $tenantName): void {
            $auditLogger = app(WorkspaceAuditLogger::class);
            $membershipManager = app(TenantMembershipManager::class);

            $existingTenant = Tenant::query()
                ->withTrashed()
                ->where('tenant_id', $tenantGuid)
                ->first();

            if ($existingTenant instanceof Tenant) {
                if ($existingTenant->trashed() || $existingTenant->status === 'archived') {
                    abort(404);
                }

                if ($existingTenant->workspace_id === null) {
                    $resolvedWorkspaceId = $this->resolveWorkspaceIdForUnboundTenant($existingTenant);

                    if ($resolvedWorkspaceId === (int) $this->workspace->getKey()) {
                        $existingTenant->forceFill(['workspace_id' => $resolvedWorkspaceId])->save();
                    }
                }

                if ((int) $existingTenant->workspace_id !== (int) $this->workspace->getKey()) {
                    abort(404);
                }

                if ($existingTenant->name !== $tenantName) {
                    $existingTenant->forceFill(['name' => $tenantName])->save();
                }

                $tenant = $existingTenant;
            } else {
                try {
                    $tenant = Tenant::query()->create([
                        'workspace_id' => (int) $this->workspace->getKey(),
                        'name' => $tenantName,
                        'tenant_id' => $tenantGuid,
                        'environment' => 'other',
                        'status' => 'pending',
                    ]);
                } catch (QueryException $exception) {
                    // Race-safe global uniqueness: if another workspace created the tenant_id first,
                    // treat it as deny-as-not-found.
                    $existingTenant = Tenant::query()
                        ->withTrashed()
                        ->where('tenant_id', $tenantGuid)
                        ->first();

                    if ($existingTenant instanceof Tenant && (int) $existingTenant->workspace_id !== (int) $this->workspace->getKey()) {
                        abort(404);
                    }

                    throw $exception;
                }
            }

            $membershipManager->addMember(
                tenant: $tenant,
                actor: $user,
                member: $user,
                role: 'owner',
                source: 'manual',
            );

            $ownerCount = TenantMembership::query()
                ->where('tenant_id', $tenant->getKey())
                ->where('role', 'owner')
                ->count();

            if ($ownerCount === 0) {
                throw new RuntimeException('Tenant must have at least one owner.');
            }

            $session = TenantOnboardingSession::query()
                ->where('workspace_id', $this->workspace->getKey())
                ->where('tenant_id', $tenant->getKey())
                ->first();

            $sessionWasCreated = false;

            if (! $session instanceof TenantOnboardingSession) {
                $session = new TenantOnboardingSession;
                $session->workspace_id = (int) $this->workspace->getKey();
                $session->tenant_id = (int) $tenant->getKey();
                $session->started_by_user_id = (int) $user->getKey();
                $sessionWasCreated = true;
            }

            $session->current_step = 'identify';
            $session->state = array_merge($session->state ?? [], [
                'tenant_id' => $tenantGuid,
            ]);
            $session->updated_by_user_id = (int) $user->getKey();
            $session->save();

            $this->selectedProviderConnectionId ??= $this->resolveDefaultProviderConnectionId($tenant);

            if ($this->selectedProviderConnectionId !== null) {
                $session->state = array_merge($session->state ?? [], [
                    'provider_connection_id' => (int) $this->selectedProviderConnectionId,
                ]);
                $session->save();
            }

            $auditLogger->log(
                workspace: $this->workspace,
                action: ($sessionWasCreated
                    ? AuditActionId::ManagedTenantOnboardingStart
                    : AuditActionId::ManagedTenantOnboardingResume
                )->value,
                context: [
                    'metadata' => [
                        'workspace_id' => (int) $this->workspace->getKey(),
                        'tenant_db_id' => (int) $tenant->getKey(),
                        'tenant_guid' => $tenantGuid,
                        'tenant_name' => $tenantName,
                        'onboarding_session_id' => (int) $session->getKey(),
                        'current_step' => (string) $session->current_step,
                    ],
                ],
                actor: $user,
                status: 'success',
                resourceType: 'tenant',
                resourceId: (string) $tenant->getKey(),
            );

            $this->managedTenant = $tenant;
            $this->onboardingSession = $session;
        });

        Notification::make()
            ->title('Managed tenant identified')
            ->success()
            ->send();
    }

    public function selectProviderConnection(int $providerConnectionId): void
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        $this->authorizeWorkspaceMutation($user);

        if (! $this->managedTenant instanceof Tenant) {
            abort(404);
        }

        $connection = ProviderConnection::query()
            ->where('tenant_id', $this->managedTenant->getKey())
            ->whereKey($providerConnectionId)
            ->first();

        if (! $connection instanceof ProviderConnection) {
            abort(404);
        }

        $this->selectedProviderConnectionId = (int) $connection->getKey();

        if ($this->onboardingSession instanceof TenantOnboardingSession) {
            $this->onboardingSession->state = array_merge($this->onboardingSession->state ?? [], [
                'provider_connection_id' => (int) $connection->getKey(),
            ]);
            $this->onboardingSession->current_step = 'connection';
            $this->onboardingSession->updated_by_user_id = (int) $user->getKey();
            $this->onboardingSession->save();
        }

        Notification::make()
            ->title('Provider connection selected')
            ->success()
            ->send();
    }

    /**
     * @param  array{display_name: string, client_id: string, client_secret: string, is_default?: bool}  $data
     */
    public function createProviderConnection(array $data): void
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        $this->authorizeWorkspaceMutation($user);

        if (! $this->managedTenant instanceof Tenant) {
            abort(404);
        }

        $tenant = $this->managedTenant->fresh();

        if (! $tenant instanceof Tenant) {
            abort(404);
        }

        if ((int) $tenant->workspace_id !== (int) $this->workspace->getKey()) {
            abort(404);
        }

        $displayName = trim((string) ($data['display_name'] ?? ''));
        $clientId = (string) ($data['client_id'] ?? '');
        $clientSecret = (string) ($data['client_secret'] ?? '');
        $makeDefault = (bool) ($data['is_default'] ?? false);

        if ($displayName === '') {
            abort(422);
        }

        /** @var ProviderConnection $connection */
        $connection = DB::transaction(function () use ($tenant, $displayName, $clientId, $clientSecret, $makeDefault): ProviderConnection {
            $connection = ProviderConnection::query()->updateOrCreate(
                [
                    'tenant_id' => (int) $tenant->getKey(),
                    'provider' => 'microsoft',
                    'entra_tenant_id' => (string) $tenant->tenant_id,
                ],
                [
                    'display_name' => $displayName,
                ],
            );

            app(CredentialManager::class)->upsertClientSecretCredential(
                connection: $connection,
                clientId: $clientId,
                clientSecret: $clientSecret,
            );

            if ($makeDefault) {
                $connection->makeDefault();
            }

            return $connection;
        });

        $this->selectedProviderConnectionId = (int) $connection->getKey();

        if ($this->onboardingSession instanceof TenantOnboardingSession) {
            $this->onboardingSession->state = array_merge($this->onboardingSession->state ?? [], [
                'provider_connection_id' => (int) $connection->getKey(),
            ]);
            $this->onboardingSession->current_step = 'connection';
            $this->onboardingSession->updated_by_user_id = (int) $user->getKey();
            $this->onboardingSession->save();
        }

        Notification::make()
            ->title('Provider connection created')
            ->success()
            ->send();
    }

    public function startVerification(): void
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        $this->authorizeWorkspaceMutation($user);

        if (! $this->managedTenant instanceof Tenant) {
            Notification::make()
                ->title('Identify a managed tenant first')
                ->warning()
                ->send();

            return;
        }

        $tenant = $this->managedTenant->fresh();

        if (! $tenant instanceof Tenant) {
            abort(404);
        }

        $connection = $this->resolveSelectedProviderConnection($tenant);

        if (! $connection instanceof ProviderConnection) {
            Notification::make()
                ->title('No provider connection selected')
                ->body('Create or select a provider connection first.')
                ->warning()
                ->send();

            return;
        }

        $result = app(ProviderOperationStartGate::class)->start(
            tenant: $tenant,
            connection: $connection,
            operationType: 'provider.connection.check',
            dispatcher: function (OperationRun $run) use ($tenant, $user, $connection): void {
                ProviderConnectionHealthCheckJob::dispatch(
                    tenantId: (int) $tenant->getKey(),
                    userId: (int) $user->getKey(),
                    providerConnectionId: (int) $connection->getKey(),
                    operationRun: $run,
                );
            },
            initiator: $user,
            extraContext: [
                'wizard' => [
                    'flow' => 'managed_tenant_onboarding',
                    'step' => 'verification',
                ],
            ],
        );

        if ($this->onboardingSession instanceof TenantOnboardingSession) {
            $this->onboardingSession->state = array_merge($this->onboardingSession->state ?? [], [
                'provider_connection_id' => (int) $connection->getKey(),
                'verification_operation_run_id' => (int) $result->run->getKey(),
            ]);
            $this->onboardingSession->current_step = 'verify';
            $this->onboardingSession->updated_by_user_id = (int) $user->getKey();
            $this->onboardingSession->save();
        }

        $auditStatus = match ($result->status) {
            'started' => 'success',
            'deduped' => 'deduped',
            'scope_busy' => 'blocked',
            default => 'success',
        };

        app(WorkspaceAuditLogger::class)->log(
            workspace: $this->workspace,
            action: AuditActionId::ManagedTenantOnboardingVerificationStart->value,
            context: [
                'metadata' => [
                    'workspace_id' => (int) $this->workspace->getKey(),
                    'tenant_db_id' => (int) $tenant->getKey(),
                    'provider_connection_id' => (int) $connection->getKey(),
                    'operation_run_id' => (int) $result->run->getKey(),
                    'result' => (string) $result->status,
                ],
            ],
            actor: $user,
            status: $auditStatus,
            resourceType: 'operation_run',
            resourceId: (string) $result->run->getKey(),
        );

        if ($result->status === 'scope_busy') {
            Notification::make()
                ->title('Another operation is already running')
                ->body('Please wait for the active run to finish.')
                ->warning()
                ->actions([
                    Action::make('view_run')
                        ->label('View run')
                        ->url(OperationRunLinks::view($result->run, $tenant)),
                ])
                ->send();

            return;
        }

        Notification::make()
            ->title($result->status === 'deduped' ? 'Verification already running' : 'Verification started')
            ->success()
            ->actions([
                Action::make('view_run')
                    ->label('View run')
                    ->url(OperationRunLinks::view($result->run, $tenant)),
            ])
            ->send();
    }

    /**
     * @param  array<int, mixed>  $operationTypes
     */
    public function startBootstrap(array $operationTypes): void
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        $this->authorizeWorkspaceMutation($user);

        if (! $this->managedTenant instanceof Tenant) {
            abort(404);
        }

        $tenant = $this->managedTenant->fresh();

        if (! $tenant instanceof Tenant) {
            abort(404);
        }

        if (! $this->verificationHasSucceeded()) {
            Notification::make()
                ->title('Verification required')
                ->body('Run verification successfully before starting bootstrap actions.')
                ->warning()
                ->send();

            return;
        }

        $connection = $this->resolveSelectedProviderConnection($tenant);

        if (! $connection instanceof ProviderConnection) {
            Notification::make()
                ->title('No provider connection selected')
                ->warning()
                ->send();

            return;
        }

        $registry = app(ProviderOperationRegistry::class);
        $types = array_values(array_unique(array_filter($operationTypes, static fn ($v): bool => is_string($v) && trim($v) !== '')));

        $types = array_values(array_filter(
            $types,
            static fn (string $type): bool => $type !== 'provider.connection.check' && $registry->isAllowed($type),
        ));

        if (empty($types)) {
            Notification::make()
                ->title('No bootstrap actions selected')
                ->warning()
                ->send();

            return;
        }

        /** @var array{status: 'started', runs: array<string, int>}|array{status: 'scope_busy', run: OperationRun} $result */
        $result = DB::transaction(function () use ($tenant, $connection, $types, $registry, $user): array {
            $lockedConnection = ProviderConnection::query()
                ->whereKey($connection->getKey())
                ->lockForUpdate()
                ->firstOrFail();

            $activeRun = OperationRun::query()
                ->where('tenant_id', $tenant->getKey())
                ->active()
                ->where('context->provider_connection_id', (int) $lockedConnection->getKey())
                ->orderByDesc('id')
                ->first();

            if ($activeRun instanceof OperationRun) {
                return [
                    'status' => 'scope_busy',
                    'run' => $activeRun,
                ];
            }

            $runsService = app(OperationRunService::class);

            $bootstrapRuns = [];

            foreach ($types as $operationType) {
                $definition = $registry->get($operationType);

                $context = [
                    'wizard' => [
                        'flow' => 'managed_tenant_onboarding',
                        'step' => 'bootstrap',
                    ],
                    'provider' => $lockedConnection->provider,
                    'module' => $definition['module'],
                    'provider_connection_id' => (int) $lockedConnection->getKey(),
                    'target_scope' => [
                        'entra_tenant_id' => $lockedConnection->entra_tenant_id,
                    ],
                ];

                $run = $runsService->ensureRunWithIdentity(
                    tenant: $tenant,
                    type: $operationType,
                    identityInputs: [
                        'provider_connection_id' => (int) $lockedConnection->getKey(),
                    ],
                    context: $context,
                    initiator: $user,
                );

                if ($run->wasRecentlyCreated) {
                    $this->dispatchBootstrapJob(
                        operationType: $operationType,
                        tenantId: (int) $tenant->getKey(),
                        userId: (int) $user->getKey(),
                        providerConnectionId: (int) $lockedConnection->getKey(),
                        run: $run,
                    );
                }

                $bootstrapRuns[$operationType] = (int) $run->getKey();
            }

            return [
                'status' => 'started',
                'runs' => $bootstrapRuns,
            ];
        });

        if ($result['status'] === 'scope_busy') {
            Notification::make()
                ->title('Another operation is already running')
                ->body('Please wait for the active run to finish.')
                ->warning()
                ->actions([
                    Action::make('view_run')
                        ->label('View run')
                        ->url(OperationRunLinks::view($result['run'], $tenant)),
                ])
                ->send();

            return;
        }

        $bootstrapRuns = $result['runs'];

        if ($this->onboardingSession instanceof TenantOnboardingSession) {
            $state = $this->onboardingSession->state ?? [];

            $existing = $state['bootstrap_operation_runs'] ?? [];
            $existing = is_array($existing) ? $existing : [];

            $state['bootstrap_operation_runs'] = array_merge($existing, $bootstrapRuns);
            $state['bootstrap_operation_types'] = $types;

            $this->onboardingSession->state = $state;
            $this->onboardingSession->current_step = 'bootstrap';
            $this->onboardingSession->updated_by_user_id = (int) $user->getKey();
            $this->onboardingSession->save();
        }

        Notification::make()
            ->title('Bootstrap started')
            ->success()
            ->send();
    }

    private function dispatchBootstrapJob(
        string $operationType,
        int $tenantId,
        int $userId,
        int $providerConnectionId,
        OperationRun $run,
    ): void {
        match ($operationType) {
            'inventory.sync' => ProviderInventorySyncJob::dispatch(
                tenantId: $tenantId,
                userId: $userId,
                providerConnectionId: $providerConnectionId,
                operationRun: $run,
            ),
            'compliance.snapshot' => ProviderComplianceSnapshotJob::dispatch(
                tenantId: $tenantId,
                userId: $userId,
                providerConnectionId: $providerConnectionId,
                operationRun: $run,
            ),
            default => throw new RuntimeException("Unsupported bootstrap operation type: {$operationType}"),
        };
    }

    public function verificationSucceeded(): bool
    {
        return $this->verificationHasSucceeded();
    }

    public function completeOnboarding(): void
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            abort(403);
        }

        $this->authorizeWorkspaceMutation($user);

        if (! $this->managedTenant instanceof Tenant) {
            abort(404);
        }

        if (! $this->onboardingSession instanceof TenantOnboardingSession) {
            abort(404);
        }

        if (! $this->verificationHasSucceeded()) {
            Notification::make()
                ->title('Verification required')
                ->body('Complete verification successfully before finishing onboarding.')
                ->warning()
                ->send();

            return;
        }

        $tenant = $this->managedTenant->fresh();

        if (! $tenant instanceof Tenant) {
            abort(404);
        }

        DB::transaction(function () use ($tenant, $user): void {
            $tenant->update(['status' => 'active']);

            $this->onboardingSession->forceFill([
                'completed_at' => now(),
                'current_step' => 'complete',
                'updated_by_user_id' => (int) $user->getKey(),
            ])->save();
        });

        $this->redirect(TenantDashboard::getUrl(tenant: $tenant));
    }

    private function verificationHasSucceeded(): bool
    {
        if (! $this->managedTenant instanceof Tenant) {
            return false;
        }

        if (! $this->onboardingSession instanceof TenantOnboardingSession) {
            return false;
        }

        $runId = $this->onboardingSession->state['verification_operation_run_id'] ?? null;

        if (! is_int($runId)) {
            return false;
        }

        $run = OperationRun::query()
            ->where('tenant_id', (int) $this->managedTenant->getKey())
            ->whereKey($runId)
            ->first();

        if (! $run instanceof OperationRun) {
            return false;
        }

        return $run->status === 'completed' && $run->outcome === 'succeeded';
    }

    /**
     * @return array<string, string>
     */
    private function bootstrapOperationOptions(): array
    {
        $registry = app(ProviderOperationRegistry::class);

        return collect($registry->all())
            ->reject(fn (array $definition, string $type): bool => $type === 'provider.connection.check')
            ->mapWithKeys(fn (array $definition, string $type): array => [$type => (string) ($definition['label'] ?? $type)])
            ->all();
    }

    private function resolveDefaultProviderConnectionId(Tenant $tenant): ?int
    {
        $id = ProviderConnection::query()
            ->where('tenant_id', (int) $tenant->getKey())
            ->where('is_default', true)
            ->orderByDesc('id')
            ->value('id');

        if (is_int($id)) {
            return $id;
        }

        $fallback = ProviderConnection::query()
            ->where('tenant_id', (int) $tenant->getKey())
            ->orderByDesc('id')
            ->value('id');

        return is_int($fallback) ? $fallback : null;
    }

    private function resolveSelectedProviderConnection(Tenant $tenant): ?ProviderConnection
    {
        $providerConnectionId = $this->selectedProviderConnectionId;

        if (! is_int($providerConnectionId) && $this->onboardingSession instanceof TenantOnboardingSession) {
            $candidate = $this->onboardingSession->state['provider_connection_id'] ?? null;
            $providerConnectionId = is_int($candidate) ? $candidate : null;
        }

        if (! is_int($providerConnectionId)) {
            $providerConnectionId = $this->resolveDefaultProviderConnectionId($tenant);
        }

        if (! is_int($providerConnectionId)) {
            return null;
        }

        return ProviderConnection::query()
            ->where('tenant_id', (int) $tenant->getKey())
            ->whereKey($providerConnectionId)
            ->first();
    }
}