<?php

use App\Jobs\CompareBaselineToTenantJob;
use App\Models\BaselineProfile;
use App\Models\BaselineSnapshot;
use App\Models\BaselineSnapshotItem;
use App\Models\Finding;
use App\Models\InventoryItem;
use App\Models\Policy;
use App\Models\PolicyVersion;
use App\Models\Tenant;
use App\Services\Baselines\BaselineSnapshotIdentity;
use App\Services\Baselines\Evidence\ContentEvidenceProvider;
use App\Services\Intune\AuditLogger;
use App\Services\OperationRunService;
use App\Support\Baselines\BaselineSubjectKey;
use App\Support\OperationRunOutcome;
use App\Support\OperationRunType;
use Carbon\CarbonImmutable;

function rbacRoleDefinitionSnapshot(
    string $displayName,
    string $description,
    bool $isBuiltIn,
    array $allowedActions,
    array $deniedActions = [],
    ?string $condition = null,
    array $scopeTagIds = ['0'],
): array {
    return [
        'displayName' => $displayName,
        'description' => $description,
        'isBuiltIn' => $isBuiltIn,
        'rolePermissions' => [
            [
                'resourceActions' => [
                    array_filter([
                        'allowedResourceActions' => $allowedActions,
                        'notAllowedResourceActions' => $deniedActions,
                        'condition' => $condition,
                    ], static fn (mixed $value): bool => $value !== null),
                ],
            ],
        ],
        'roleScopeTagIds' => $scopeTagIds,
    ];
}

function createRoleDefinitionPolicy(Tenant $tenant, string $externalId, string $displayName): Policy
{
    return Policy::factory()->create([
        'tenant_id' => (int) $tenant->getKey(),
        'external_id' => $externalId,
        'policy_type' => 'intuneRoleDefinition',
        'platform' => 'all',
        'display_name' => $displayName,
    ]);
}

function createRoleDefinitionVersion(Policy $policy, CarbonImmutable $capturedAt, int $versionNumber, array $snapshot): PolicyVersion
{
    return PolicyVersion::factory()->create([
        'tenant_id' => (int) $policy->tenant_id,
        'policy_id' => (int) $policy->getKey(),
        'policy_type' => 'intuneRoleDefinition',
        'platform' => 'all',
        'version_number' => $versionNumber,
        'captured_at' => $capturedAt,
        'snapshot' => $snapshot,
        'assignments' => [],
        'scope_tags' => [],
    ]);
}

function createBaselineRoleDefinitionSnapshotItem(
    BaselineSnapshot $snapshot,
    PolicyVersion $version,
    string $externalId,
    string $displayName,
    bool $isBuiltIn,
    int $rolePermissionCount = 1,
): BaselineSnapshotItem {
    $subjectKey = BaselineSubjectKey::forPolicy('intuneRoleDefinition', $displayName, $externalId);
    $workspaceSafeExternalId = BaselineSubjectKey::workspaceSafeSubjectExternalIdForPolicy('intuneRoleDefinition', $displayName, $externalId);

    expect($subjectKey)->not->toBeNull();
    expect($workspaceSafeExternalId)->not->toBeNull();

    $hash = app(ContentEvidenceProvider::class)->fromPolicyVersion(
        version: $version,
        subjectExternalId: (string) $workspaceSafeExternalId,
    )->hash;

    return BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => (int) $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => (string) $workspaceSafeExternalId,
        'subject_key' => (string) $subjectKey,
        'policy_type' => 'intuneRoleDefinition',
        'baseline_hash' => $hash,
        'meta_jsonb' => [
            'display_name' => $displayName,
            'category' => 'RBAC',
            'platform' => 'all',
            'evidence' => [
                'fidelity' => 'content',
                'source' => 'policy_version',
                'observed_at' => $version->captured_at?->toIso8601String(),
            ],
            'identity' => [
                'strategy' => 'external_id',
                'subject_key' => (string) $subjectKey,
                'workspace_subject_external_id' => (string) $workspaceSafeExternalId,
            ],
            'version_reference' => [
                'policy_version_id' => (int) $version->getKey(),
                'capture_purpose' => 'baseline_capture',
            ],
            'rbac' => [
                'is_built_in' => $isBuiltIn,
                'role_permission_count' => $rolePermissionCount,
            ],
        ],
    ]);
}

function createRoleDefinitionInventoryItem(
    Tenant $tenant,
    int $inventorySyncRunId,
    string $externalId,
    string $displayName,
    bool $isBuiltIn,
    int $rolePermissionCount = 1,
): InventoryItem {
    return InventoryItem::factory()->create([
        'tenant_id' => (int) $tenant->getKey(),
        'workspace_id' => (int) $tenant->workspace_id,
        'external_id' => $externalId,
        'policy_type' => 'intuneRoleDefinition',
        'display_name' => $displayName,
        'category' => 'RBAC',
        'platform' => 'all',
        'meta_jsonb' => [
            'odata_type' => '#microsoft.graph.deviceAndAppManagementRoleDefinition',
            'is_built_in' => $isBuiltIn,
            'role_permission_count' => $rolePermissionCount,
        ],
        'last_seen_operation_run_id' => $inventorySyncRunId,
        'last_seen_at' => now(),
    ]);
}

it('classifies intune role definition drift as unchanged modified missing and unexpected with deterministic severity', function (): void {
    [$user, $tenant] = createUserWithTenant(role: 'owner');

    $profile = BaselineProfile::factory()->active()->create([
        'workspace_id' => (int) $tenant->workspace_id,
        'scope_jsonb' => [
            'policy_types' => ['deviceConfiguration'],
            'foundation_types' => ['intuneRoleDefinition'],
        ],
    ]);

    $baselineCapturedAt = CarbonImmutable::parse('2026-03-08T10:00:00Z');

    $snapshot = BaselineSnapshot::factory()->create([
        'workspace_id' => (int) $tenant->workspace_id,
        'baseline_profile_id' => (int) $profile->getKey(),
        'captured_at' => $baselineCapturedAt,
    ]);

    $profile->update(['active_snapshot_id' => (int) $snapshot->getKey()]);

    $inventorySyncRun = createInventorySyncOperationRunWithCoverage(
        tenant: $tenant,
        statusByType: [
            'deviceConfiguration' => 'succeeded',
            'intuneRoleDefinition' => 'succeeded',
        ],
        foundationTypes: ['intuneRoleDefinition'],
    );

    $stablePolicy = createRoleDefinitionPolicy($tenant, 'role-stable', 'Stable Role');
    $stableBaselineVersion = createRoleDefinitionVersion(
        policy: $stablePolicy,
        capturedAt: $baselineCapturedAt,
        versionNumber: 1,
        snapshot: rbacRoleDefinitionSnapshot('Stable Role', 'Baseline stable role', false, [
            'Microsoft.Intune/deviceConfigurations/read',
        ]),
    );
    createRoleDefinitionVersion(
        policy: $stablePolicy,
        capturedAt: $baselineCapturedAt->addMinutes(10),
        versionNumber: 2,
        snapshot: rbacRoleDefinitionSnapshot('Stable Role', 'Baseline stable role', false, [
            'Microsoft.Intune/deviceConfigurations/read',
        ]),
    );
    createBaselineRoleDefinitionSnapshotItem($snapshot, $stableBaselineVersion, 'role-stable', 'Stable Role', false);
    createRoleDefinitionInventoryItem($tenant, (int) $inventorySyncRun->getKey(), 'role-stable', 'Stable Role', false);

    $metadataPolicy = createRoleDefinitionPolicy($tenant, 'role-meta', 'Metadata Role');
    $metadataBaselineVersion = createRoleDefinitionVersion(
        policy: $metadataPolicy,
        capturedAt: $baselineCapturedAt,
        versionNumber: 1,
        snapshot: rbacRoleDefinitionSnapshot('Metadata Role', 'Baseline description', false, [
            'Microsoft.Intune/deviceConfigurations/read',
        ]),
    );
    createRoleDefinitionVersion(
        policy: $metadataPolicy,
        capturedAt: $baselineCapturedAt->addMinutes(12),
        versionNumber: 2,
        snapshot: rbacRoleDefinitionSnapshot('Metadata Role', 'Updated description', false, [
            'Microsoft.Intune/deviceConfigurations/read',
        ]),
    );
    createBaselineRoleDefinitionSnapshotItem($snapshot, $metadataBaselineVersion, 'role-meta', 'Metadata Role', false);
    createRoleDefinitionInventoryItem($tenant, (int) $inventorySyncRun->getKey(), 'role-meta', 'Metadata Role', false);

    $permissionsPolicy = createRoleDefinitionPolicy($tenant, 'role-permissions', 'Permission Role');
    $permissionsBaselineVersion = createRoleDefinitionVersion(
        policy: $permissionsPolicy,
        capturedAt: $baselineCapturedAt,
        versionNumber: 1,
        snapshot: rbacRoleDefinitionSnapshot('Permission Role', 'Baseline permissions', false, [
            'Microsoft.Intune/deviceConfigurations/read',
        ]),
    );
    createRoleDefinitionVersion(
        policy: $permissionsPolicy,
        capturedAt: $baselineCapturedAt->addMinutes(14),
        versionNumber: 2,
        snapshot: rbacRoleDefinitionSnapshot('Permission Role', 'Baseline permissions', false, [
            'Microsoft.Intune/deviceConfigurations/read',
            'Microsoft.Intune/deviceConfigurations/delete',
        ]),
    );
    createBaselineRoleDefinitionSnapshotItem($snapshot, $permissionsBaselineVersion, 'role-permissions', 'Permission Role', false);
    createRoleDefinitionInventoryItem($tenant, (int) $inventorySyncRun->getKey(), 'role-permissions', 'Permission Role', false);

    $missingPolicy = createRoleDefinitionPolicy($tenant, 'role-missing', 'Missing Role');
    $missingBaselineVersion = createRoleDefinitionVersion(
        policy: $missingPolicy,
        capturedAt: $baselineCapturedAt,
        versionNumber: 1,
        snapshot: rbacRoleDefinitionSnapshot('Missing Role', 'Baseline missing role', false, [
            'Microsoft.Intune/deviceCompliancePolicies/read',
        ]),
    );
    createBaselineRoleDefinitionSnapshotItem($snapshot, $missingBaselineVersion, 'role-missing', 'Missing Role', false);

    $unexpectedPolicy = createRoleDefinitionPolicy($tenant, 'role-unexpected', 'Unexpected Role');
    createRoleDefinitionVersion(
        policy: $unexpectedPolicy,
        capturedAt: $baselineCapturedAt->addMinutes(16),
        versionNumber: 1,
        snapshot: rbacRoleDefinitionSnapshot('Unexpected Role', 'Unexpected current role', true, [
            'Microsoft.Intune/deviceCompliancePolicies/read',
        ]),
    );
    createRoleDefinitionInventoryItem($tenant, (int) $inventorySyncRun->getKey(), 'role-unexpected', 'Unexpected Role', true);

    InventoryItem::factory()->create([
        'tenant_id' => (int) $tenant->getKey(),
        'workspace_id' => (int) $tenant->workspace_id,
        'external_id' => 'assignment-noise',
        'policy_type' => 'intuneRoleAssignment',
        'display_name' => 'Assignment Noise',
        'category' => 'RBAC',
        'platform' => 'all',
        'meta_jsonb' => [
            'odata_type' => '#microsoft.graph.deviceAndAppManagementRoleAssignment',
        ],
        'last_seen_operation_run_id' => (int) $inventorySyncRun->getKey(),
        'last_seen_at' => now(),
    ]);

    $operationRuns = app(OperationRunService::class);
    $compareRun = $operationRuns->ensureRunWithIdentity(
        tenant: $tenant,
        type: OperationRunType::BaselineCompare->value,
        identityInputs: ['baseline_profile_id' => (int) $profile->getKey()],
        context: [
            'baseline_profile_id' => (int) $profile->getKey(),
            'baseline_snapshot_id' => (int) $snapshot->getKey(),
            'effective_scope' => [
                'policy_types' => ['deviceConfiguration'],
                'foundation_types' => ['intuneRoleDefinition'],
            ],
        ],
        initiator: $user,
    );

    (new CompareBaselineToTenantJob($compareRun))->handle(
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $operationRuns,
    );

    $compareRun->refresh();

    expect($compareRun->outcome)->toBe(OperationRunOutcome::Succeeded->value);
    expect(data_get($compareRun->context, 'baseline_compare.reason_code'))->toBeNull();
    expect(data_get($compareRun->context, 'baseline_compare.rbac_role_definitions'))->toBe([
        'total_compared' => 5,
        'unchanged' => 1,
        'modified' => 2,
        'missing' => 1,
        'unexpected' => 1,
    ]);
    expect(data_get($compareRun->context, 'findings.counts_by_change_type'))->toBe([
        'different_version' => 2,
        'missing_policy' => 1,
        'unexpected_policy' => 1,
    ]);

    $findings = Finding::query()
        ->where('tenant_id', (int) $tenant->getKey())
        ->where('source', 'baseline.compare')
        ->get()
        ->keyBy(fn (Finding $finding): string => (string) data_get($finding->evidence_jsonb, 'display_name'));

    expect($findings)->toHaveCount(4);
    expect($findings->has('Stable Role'))->toBeFalse();
    expect($findings->has('Metadata Role'))->toBeTrue();
    expect($findings->has('Permission Role'))->toBeTrue();
    expect($findings->has('Missing Role'))->toBeTrue();
    expect($findings->has('Unexpected Role'))->toBeTrue();

    expect($findings['Metadata Role']->severity)->toBe(Finding::SEVERITY_LOW);
    expect(data_get($findings['Metadata Role']->evidence_jsonb, 'change_type'))->toBe('different_version');

    expect($findings['Permission Role']->severity)->toBe(Finding::SEVERITY_HIGH);
    expect(data_get($findings['Permission Role']->evidence_jsonb, 'change_type'))->toBe('different_version');

    expect($findings['Missing Role']->severity)->toBe(Finding::SEVERITY_HIGH);
    expect(data_get($findings['Missing Role']->evidence_jsonb, 'change_type'))->toBe('missing_policy');

    expect($findings['Unexpected Role']->severity)->toBe(Finding::SEVERITY_MEDIUM);
    expect(data_get($findings['Unexpected Role']->evidence_jsonb, 'change_type'))->toBe('unexpected_policy');
});

it('treats a recreated same-name role definition with a new id as missing plus unexpected drift', function (): void {
    [$user, $tenant] = createUserWithTenant(role: 'owner');

    $profile = BaselineProfile::factory()->active()->create([
        'workspace_id' => (int) $tenant->workspace_id,
        'scope_jsonb' => [
            'policy_types' => ['deviceConfiguration'],
            'foundation_types' => ['intuneRoleDefinition'],
        ],
    ]);

    $baselineCapturedAt = CarbonImmutable::parse('2026-03-08T11:00:00Z');

    $snapshot = BaselineSnapshot::factory()->create([
        'workspace_id' => (int) $tenant->workspace_id,
        'baseline_profile_id' => (int) $profile->getKey(),
        'captured_at' => $baselineCapturedAt,
    ]);

    $profile->update(['active_snapshot_id' => (int) $snapshot->getKey()]);

    $inventorySyncRun = createInventorySyncOperationRunWithCoverage(
        tenant: $tenant,
        statusByType: [
            'deviceConfiguration' => 'succeeded',
            'intuneRoleDefinition' => 'succeeded',
        ],
        foundationTypes: ['intuneRoleDefinition'],
    );

    $baselinePolicy = createRoleDefinitionPolicy($tenant, 'role-old-id', 'Security Reader');
    $baselineVersion = createRoleDefinitionVersion(
        policy: $baselinePolicy,
        capturedAt: $baselineCapturedAt,
        versionNumber: 1,
        snapshot: rbacRoleDefinitionSnapshot('Security Reader', 'Baseline role definition', false, [
            'Microsoft.Intune/deviceConfigurations/read',
        ]),
    );
    createBaselineRoleDefinitionSnapshotItem($snapshot, $baselineVersion, 'role-old-id', 'Security Reader', false);

    $currentPolicy = createRoleDefinitionPolicy($tenant, 'role-new-id', 'Security Reader');
    createRoleDefinitionVersion(
        policy: $currentPolicy,
        capturedAt: $baselineCapturedAt->addMinutes(5),
        versionNumber: 1,
        snapshot: rbacRoleDefinitionSnapshot('Security Reader', 'Recreated role definition', false, [
            'Microsoft.Intune/deviceConfigurations/read',
        ]),
    );
    createRoleDefinitionInventoryItem($tenant, (int) $inventorySyncRun->getKey(), 'role-new-id', 'Security Reader', false);

    $operationRuns = app(OperationRunService::class);
    $compareRun = $operationRuns->ensureRunWithIdentity(
        tenant: $tenant,
        type: OperationRunType::BaselineCompare->value,
        identityInputs: ['baseline_profile_id' => (int) $profile->getKey()],
        context: [
            'baseline_profile_id' => (int) $profile->getKey(),
            'baseline_snapshot_id' => (int) $snapshot->getKey(),
            'effective_scope' => [
                'policy_types' => ['deviceConfiguration'],
                'foundation_types' => ['intuneRoleDefinition'],
            ],
        ],
        initiator: $user,
    );

    (new CompareBaselineToTenantJob($compareRun))->handle(
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $operationRuns,
    );

    $compareRun->refresh();

    expect(data_get($compareRun->context, 'baseline_compare.rbac_role_definitions'))->toBe([
        'total_compared' => 2,
        'unchanged' => 0,
        'modified' => 0,
        'missing' => 1,
        'unexpected' => 1,
    ]);

    $findings = Finding::query()
        ->where('tenant_id', (int) $tenant->getKey())
        ->where('source', 'baseline.compare')
        ->get();

    expect($findings)->toHaveCount(2);
    expect($findings->pluck('severity')->sort()->values()->all())->toBe([
        Finding::SEVERITY_HIGH,
        Finding::SEVERITY_MEDIUM,
    ]);
    expect($findings->pluck('evidence_jsonb.change_type')->sort()->values()->all())->toBe([
        'missing_policy',
        'unexpected_policy',
    ]);
});