<?php

declare(strict_types=1);

namespace App\Filament\Resources\BaselineProfileResource\Pages;

use App\Filament\Resources\BaselineProfileResource;
use App\Models\BaselineProfile;
use App\Models\Tenant;
use App\Models\User;
use App\Models\Workspace;
use App\Services\Baselines\BaselineCaptureService;
use App\Support\Auth\Capabilities;
use App\Support\Workspaces\WorkspaceContext;
use Filament\Actions\Action;
use Filament\Actions\EditAction;
use Filament\Forms\Components\Select;
use Filament\Notifications\Notification;
use Filament\Resources\Pages\ViewRecord;

class ViewBaselineProfile extends ViewRecord
{
    protected static string $resource = BaselineProfileResource::class;

    protected function getHeaderActions(): array
    {
        return [
            $this->captureAction(),
            EditAction::make()
                ->visible(fn (): bool => $this->hasManageCapability()),
        ];
    }

    private function captureAction(): Action
    {
        return Action::make('capture')
            ->label('Capture Snapshot')
            ->icon('heroicon-o-camera')
            ->color('primary')
            ->visible(fn (): bool => $this->hasManageCapability())
            ->disabled(fn (): bool => ! $this->hasManageCapability())
            ->tooltip(fn (): ?string => ! $this->hasManageCapability() ? 'You need manage permission to capture snapshots.' : null)
            ->requiresConfirmation()
            ->modalHeading('Capture Baseline Snapshot')
            ->modalDescription('Select the source tenant whose current inventory will be captured as the baseline snapshot.')
            ->form([
                Select::make('source_tenant_id')
                    ->label('Source Tenant')
                    ->options(fn (): array => $this->getWorkspaceTenantOptions())
                    ->required()
                    ->searchable(),
            ])
            ->action(function (array $data): void {
                $user = auth()->user();

                if (! $user instanceof User || ! $this->hasManageCapability()) {
                    Notification::make()
                        ->title('Permission denied')
                        ->danger()
                        ->send();

                    return;
                }

                /** @var BaselineProfile $profile */
                $profile = $this->getRecord();
                $sourceTenant = Tenant::query()->find((int) $data['source_tenant_id']);

                if (! $sourceTenant instanceof Tenant) {
                    Notification::make()
                        ->title('Source tenant not found')
                        ->danger()
                        ->send();

                    return;
                }

                $service = app(BaselineCaptureService::class);
                $result = $service->startCapture($profile, $sourceTenant, $user);

                if (! $result['ok']) {
                    Notification::make()
                        ->title('Cannot start capture')
                        ->body('Reason: ' . str_replace('.', ' ', (string) ($result['reason_code'] ?? 'unknown')))
                        ->danger()
                        ->send();

                    return;
                }

                Notification::make()
                    ->title('Capture enqueued')
                    ->body('Baseline snapshot capture has been started.')
                    ->success()
                    ->send();
            });
    }

    /**
     * @return array<int, string>
     */
    private function getWorkspaceTenantOptions(): array
    {
        $workspaceId = app(WorkspaceContext::class)->currentWorkspaceId(request());

        if ($workspaceId === null) {
            return [];
        }

        return Tenant::query()
            ->where('workspace_id', $workspaceId)
            ->orderBy('display_name')
            ->pluck('display_name', 'id')
            ->all();
    }

    private function hasManageCapability(): bool
    {
        $user = auth()->user();

        if (! $user instanceof User) {
            return false;
        }

        $workspaceId = app(WorkspaceContext::class)->currentWorkspaceId(request());

        if ($workspaceId === null) {
            return false;
        }

        $workspace = Workspace::query()->whereKey($workspaceId)->first();

        if (! $workspace instanceof Workspace) {
            return false;
        }

        $resolver = app(\App\Services\Auth\WorkspaceCapabilityResolver::class);

        return $resolver->isMember($user, $workspace)
            && $resolver->can($user, $workspace, Capabilities::WORKSPACE_BASELINES_MANAGE);
    }
}