<?php

use App\Jobs\CompareBaselineToTenantJob;
use App\Models\BaselineProfile;
use App\Models\BaselineSnapshot;
use App\Models\BaselineSnapshotItem;
use App\Models\BaselineTenantAssignment;
use App\Models\Finding;
use App\Models\InventoryItem;
use App\Models\OperationRun;
use App\Services\Baselines\BaselineSnapshotIdentity;
use App\Services\Drift\DriftHasher;
use App\Services\Intune\AuditLogger;
use App\Services\OperationRunService;

// --- T041: Compare idempotent finding fingerprint tests ---

it('creates drift findings when baseline and tenant inventory differ', function () {
    [$user, $tenant] = createUserWithTenant(role: 'owner');

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

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

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

    // Baseline has policyA and policyB
    BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => 'policy-a-uuid',
        'policy_type' => 'deviceConfiguration',
        'baseline_hash' => hash('sha256', 'content-a'),
        'meta_jsonb' => ['display_name' => 'Policy A'],
    ]);
    BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => 'policy-b-uuid',
        'policy_type' => 'deviceConfiguration',
        'baseline_hash' => hash('sha256', 'content-b'),
        'meta_jsonb' => ['display_name' => 'Policy B'],
    ]);

    // Tenant has policyA (different content) and policyC (unexpected)
    InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'workspace_id' => $tenant->workspace_id,
        'external_id' => 'policy-a-uuid',
        'policy_type' => 'deviceConfiguration',
        'meta_jsonb' => ['different_content' => true],
        'display_name' => 'Policy A modified',
    ]);
    InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'workspace_id' => $tenant->workspace_id,
        'external_id' => 'policy-c-uuid',
        'policy_type' => 'deviceConfiguration',
        'meta_jsonb' => ['new_policy' => true],
        'display_name' => 'Policy C unexpected',
    ]);

    $opService = app(OperationRunService::class);
    $run = $opService->ensureRunWithIdentity(
        tenant: $tenant,
        type: 'baseline_compare',
        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']],
        ],
        initiator: $user,
    );

    $job = new CompareBaselineToTenantJob($run);
    $job->handle(
        app(DriftHasher::class),
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $opService,
    );

    $run->refresh();
    expect($run->status)->toBe('completed');
    expect($run->outcome)->toBe('succeeded');

    $scopeKey = 'baseline_profile:' . $profile->getKey();

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

    // policyB missing (high), policyA different (medium), policyC unexpected (low) = 3 findings
    expect($findings->count())->toBe(3);

    $severities = $findings->pluck('severity')->sort()->values()->all();
    expect($severities)->toContain(Finding::SEVERITY_HIGH);
    expect($severities)->toContain(Finding::SEVERITY_MEDIUM);
    expect($severities)->toContain(Finding::SEVERITY_LOW);
});

it('produces idempotent fingerprints so re-running compare updates existing findings', function () {
    [$user, $tenant] = createUserWithTenant(role: 'owner');

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

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

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

    BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => 'policy-x-uuid',
        'policy_type' => 'deviceConfiguration',
        'baseline_hash' => hash('sha256', 'baseline-content'),
        'meta_jsonb' => ['display_name' => 'Policy X'],
    ]);

    // Tenant does NOT have policy-x → missing_policy finding
    $opService = app(OperationRunService::class);

    // First run
    $run1 = $opService->ensureRunWithIdentity(
        tenant: $tenant,
        type: 'baseline_compare',
        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']],
        ],
        initiator: $user,
    );

    $job1 = new CompareBaselineToTenantJob($run1);
    $job1->handle(
        app(DriftHasher::class),
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $opService,
    );

    $scopeKey = 'baseline_profile:' . $profile->getKey();
    $countAfterFirst = Finding::query()
        ->where('tenant_id', $tenant->getKey())
        ->where('source', 'baseline.compare')
        ->where('scope_key', $scopeKey)
        ->count();

    expect($countAfterFirst)->toBe(1);

    // Second run - new OperationRun so we can dispatch again
    // Mark first run as completed so ensureRunWithIdentity creates a new one
    $run1->update(['status' => 'completed', 'completed_at' => now()]);

    $run2 = $opService->ensureRunWithIdentity(
        tenant: $tenant,
        type: 'baseline_compare',
        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']],
        ],
        initiator: $user,
    );

    $job2 = new CompareBaselineToTenantJob($run2);
    $job2->handle(
        app(DriftHasher::class),
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $opService,
    );

    $countAfterSecond = Finding::query()
        ->where('tenant_id', $tenant->getKey())
        ->where('source', 'baseline.compare')
        ->where('scope_key', $scopeKey)
        ->count();

    // Same fingerprint → same finding updated, not duplicated
    expect($countAfterSecond)->toBe(1);
});

it('creates zero findings when baseline matches tenant inventory exactly', function () {
    [$user, $tenant] = createUserWithTenant(role: 'owner');

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

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

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

    // Baseline item
    $metaContent = ['policy_key' => 'value123'];
    $driftHasher = app(DriftHasher::class);
    $contentHash = $driftHasher->hashNormalized($metaContent);

    BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => 'matching-uuid',
        'policy_type' => 'deviceConfiguration',
        'baseline_hash' => $contentHash,
        'meta_jsonb' => ['display_name' => 'Matching Policy'],
    ]);

    // Tenant inventory with same content → same hash
    InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'workspace_id' => $tenant->workspace_id,
        'external_id' => 'matching-uuid',
        'policy_type' => 'deviceConfiguration',
        'meta_jsonb' => $metaContent,
        'display_name' => 'Matching Policy',
    ]);

    $opService = app(OperationRunService::class);
    $run = $opService->ensureRunWithIdentity(
        tenant: $tenant,
        type: 'baseline_compare',
        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']],
        ],
        initiator: $user,
    );

    $job = new CompareBaselineToTenantJob($run);
    $job->handle(
        app(DriftHasher::class),
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $opService,
    );

    $run->refresh();
    expect($run->status)->toBe('completed');
    expect($run->outcome)->toBe('succeeded');

    $counts = is_array($run->summary_counts) ? $run->summary_counts : [];
    expect((int) ($counts['total'] ?? -1))->toBe(0);

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

    expect($findings)->toBe(0);
});

// --- T042: Summary counts severity breakdown tests ---

it('writes severity breakdown in summary_counts', function () {
    [$user, $tenant] = createUserWithTenant(role: 'owner');

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

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

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

    // 2 baseline items: one will be missing (high), one will be different (medium)
    BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => 'missing-uuid',
        'policy_type' => 'deviceConfiguration',
        'baseline_hash' => hash('sha256', 'missing-content'),
        'meta_jsonb' => ['display_name' => 'Missing Policy'],
    ]);
    BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => 'changed-uuid',
        'policy_type' => 'deviceConfiguration',
        'baseline_hash' => hash('sha256', 'original-content'),
        'meta_jsonb' => ['display_name' => 'Changed Policy'],
    ]);

    // Tenant only has changed-uuid with different content + extra-uuid (unexpected)
    InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'workspace_id' => $tenant->workspace_id,
        'external_id' => 'changed-uuid',
        'policy_type' => 'deviceConfiguration',
        'meta_jsonb' => ['modified_content' => true],
        'display_name' => 'Changed Policy',
    ]);
    InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'workspace_id' => $tenant->workspace_id,
        'external_id' => 'extra-uuid',
        'policy_type' => 'deviceConfiguration',
        'meta_jsonb' => ['extra_content' => true],
        'display_name' => 'Extra Policy',
    ]);

    $opService = app(OperationRunService::class);
    $run = $opService->ensureRunWithIdentity(
        tenant: $tenant,
        type: 'baseline_compare',
        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']],
        ],
        initiator: $user,
    );

    $job = new CompareBaselineToTenantJob($run);
    $job->handle(
        app(DriftHasher::class),
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $opService,
    );

    $run->refresh();
    $counts = is_array($run->summary_counts) ? $run->summary_counts : [];

    expect((int) ($counts['total'] ?? -1))->toBe(3);
    expect((int) ($counts['high'] ?? -1))->toBe(1);   // missing-uuid
    expect((int) ($counts['medium'] ?? -1))->toBe(1);  // changed-uuid
    expect((int) ($counts['low'] ?? -1))->toBe(1);     // extra-uuid
});

it('writes result context with findings breakdown', function () {
    [$user, $tenant] = createUserWithTenant(role: 'owner');

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

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

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

    // One missing policy
    BaselineSnapshotItem::factory()->create([
        'baseline_snapshot_id' => $snapshot->getKey(),
        'subject_type' => 'policy',
        'subject_external_id' => 'gone-uuid',
        'policy_type' => 'deviceConfiguration',
        'baseline_hash' => hash('sha256', 'gone-content'),
    ]);

    $opService = app(OperationRunService::class);
    $run = $opService->ensureRunWithIdentity(
        tenant: $tenant,
        type: 'baseline_compare',
        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']],
        ],
        initiator: $user,
    );

    $job = new CompareBaselineToTenantJob($run);
    $job->handle(
        app(DriftHasher::class),
        app(BaselineSnapshotIdentity::class),
        app(AuditLogger::class),
        $opService,
    );

    $run->refresh();
    $context = is_array($run->context) ? $run->context : [];
    $result = $context['result'] ?? [];

    expect($result)->toHaveKey('findings_total');
    expect($result)->toHaveKey('findings_upserted');
    expect($result)->toHaveKey('severity_breakdown');
    expect((int) $result['findings_total'])->toBe(1);
    expect((int) $result['findings_upserted'])->toBe(1);
});