<?php

namespace Tests\Feature\Jobs;

use App\Jobs\ProcessAiEditRequest;
use App\Models\AiEditingSetting;
use App\Models\AiEditRequest;
use App\Models\AiStyle;
use App\Models\AiUsageLedger;
use App\Models\Event;
use App\Models\Photo;
use App\Services\AiEditing\AiProviderResult;
use App\Services\AiEditing\Providers\RunwareAiImageProvider;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Storage;
use RuntimeException;
use Tests\TestCase;

class ProcessAiEditRequestTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();

        AiEditingSetting::flushCache();
        config(['ai-editing.outputs.enabled' => false]);
    }

    public function test_it_processes_ai_edit_request_with_fake_runware_provider(): void
    {
        AiEditingSetting::query()->create(array_merge(
            AiEditingSetting::defaults(),
            [
                'runware_mode' => 'fake',
                'queue_auto_dispatch' => false,
            ]
        ));

        $event = Event::factory()->create(['status' => 'published']);
        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
        ]);

        $style = AiStyle::query()->create([
            'key' => 'fake-style',
            'name' => 'Fake Style',
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'requires_source_image' => true,
            'is_active' => true,
        ]);

        $request = AiEditRequest::query()->create([
            'tenant_id' => $event->tenant_id,
            'event_id' => $event->id,
            'photo_id' => $photo->id,
            'style_id' => $style->id,
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'status' => AiEditRequest::STATUS_QUEUED,
            'safety_state' => 'pending',
            'prompt' => 'Transform image style.',
            'idempotency_key' => 'job-fake-1',
            'queued_at' => now(),
        ]);

        ProcessAiEditRequest::dispatchSync($request->id);

        $request->refresh();

        $this->assertSame(AiEditRequest::STATUS_SUCCEEDED, $request->status);
        $this->assertNotNull($request->started_at);
        $this->assertNotNull($request->completed_at);
        $this->assertSame(1, $request->outputs()->count());
        $this->assertSame(1, $request->providerRuns()->count());
        $this->assertSame('succeeded', $request->providerRuns()->first()?->status);
        $this->assertSame(1, $request->usageLedgers()->count());
        $this->assertSame(AiUsageLedger::TYPE_DEBIT, $request->usageLedgers()->first()?->entry_type);
        $this->assertSame('unentitled', $request->usageLedgers()->first()?->package_context);

        ProcessAiEditRequest::dispatchSync($request->id);
        $request->refresh();

        $this->assertSame(1, $request->usageLedgers()->count());
    }

    public function test_it_marks_request_failed_when_runware_is_not_configured(): void
    {
        config([
            'services.runware.api_key' => null,
        ]);
        AiEditingSetting::query()->create(array_merge(
            AiEditingSetting::defaults(),
            [
                'runware_mode' => 'live',
                'queue_auto_dispatch' => false,
            ]
        ));

        $event = Event::factory()->create(['status' => 'published']);
        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
        ]);

        $style = AiStyle::query()->create([
            'key' => 'live-style',
            'name' => 'Live Style',
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'requires_source_image' => true,
            'is_active' => true,
        ]);

        $request = AiEditRequest::query()->create([
            'tenant_id' => $event->tenant_id,
            'event_id' => $event->id,
            'photo_id' => $photo->id,
            'style_id' => $style->id,
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'status' => AiEditRequest::STATUS_QUEUED,
            'safety_state' => 'pending',
            'prompt' => 'Transform image style.',
            'idempotency_key' => 'job-live-1',
            'queued_at' => now(),
        ]);

        ProcessAiEditRequest::dispatchSync($request->id);

        $request->refresh();

        $this->assertSame(AiEditRequest::STATUS_FAILED, $request->status);
        $this->assertSame('provider_not_configured', $request->failure_code);
        $this->assertNotNull($request->completed_at);
        $this->assertSame(0, $request->outputs()->count());
        $this->assertSame(1, $request->providerRuns()->count());
        $this->assertSame('failed', $request->providerRuns()->first()?->status);
    }

    public function test_it_blocks_request_when_provider_flags_output_as_unsafe(): void
    {
        AiEditingSetting::query()->create(array_merge(
            AiEditingSetting::defaults(),
            [
                'runware_mode' => 'fake',
                'queue_auto_dispatch' => false,
            ]
        ));

        $event = Event::factory()->create(['status' => 'published']);
        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
        ]);

        $style = AiStyle::query()->create([
            'key' => 'unsafe-style',
            'name' => 'Unsafe Style',
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'requires_source_image' => true,
            'is_active' => true,
        ]);

        $request = AiEditRequest::query()->create([
            'tenant_id' => $event->tenant_id,
            'event_id' => $event->id,
            'photo_id' => $photo->id,
            'style_id' => $style->id,
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'status' => AiEditRequest::STATUS_QUEUED,
            'safety_state' => 'pending',
            'prompt' => 'Transform image style.',
            'idempotency_key' => 'job-fake-unsafe-1',
            'queued_at' => now(),
            'metadata' => ['fake_nsfw' => true],
        ]);

        ProcessAiEditRequest::dispatchSync($request->id);

        $request->refresh();

        $this->assertSame(AiEditRequest::STATUS_BLOCKED, $request->status);
        $this->assertSame('blocked', $request->safety_state);
        $this->assertSame('output_policy_blocked', $request->failure_code);
        $this->assertSame(['provider_nsfw_content'], $request->safety_reasons);
        $this->assertNotNull($request->completed_at);
        $this->assertSame(0, $request->outputs()->count());
        $this->assertSame(1, $request->providerRuns()->count());
        $this->assertIsArray($request->metadata);
        $this->assertSame('output_block', $request->metadata['abuse']['type'] ?? null);
    }

    public function test_it_marks_request_failed_when_provider_returns_processing_without_task_id(): void
    {
        AiEditingSetting::query()->create(array_merge(
            AiEditingSetting::defaults(),
            [
                'runware_mode' => 'live',
                'queue_auto_dispatch' => false,
            ]
        ));

        $event = Event::factory()->create(['status' => 'published']);
        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
        ]);
        $style = AiStyle::query()->create([
            'key' => 'processing-no-task',
            'name' => 'Processing Without Task ID',
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'requires_source_image' => true,
            'is_active' => true,
        ]);

        $request = AiEditRequest::query()->create([
            'tenant_id' => $event->tenant_id,
            'event_id' => $event->id,
            'photo_id' => $photo->id,
            'style_id' => $style->id,
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'status' => AiEditRequest::STATUS_QUEUED,
            'safety_state' => 'pending',
            'prompt' => 'Transform image style.',
            'idempotency_key' => 'job-processing-no-task',
            'queued_at' => now(),
        ]);

        $provider = \Mockery::mock(RunwareAiImageProvider::class);
        $provider->shouldReceive('submit')
            ->once()
            ->andReturn(new AiProviderResult(status: 'processing', providerTaskId: ''));
        $this->app->instance(RunwareAiImageProvider::class, $provider);

        ProcessAiEditRequest::dispatchSync($request->id);

        $request->refresh();
        $run = $request->providerRuns()->first();

        $this->assertSame(AiEditRequest::STATUS_FAILED, $request->status);
        $this->assertSame('provider_task_id_missing', $request->failure_code);
        $this->assertNotNull($request->completed_at);
        $this->assertNotNull($run);
        $this->assertSame('failed', $run?->status);
        $this->assertSame('Provider returned processing state without task identifier.', $run?->error_message);
    }

    public function test_process_job_failed_hook_marks_request_as_failed(): void
    {
        $event = Event::factory()->create(['status' => 'published']);
        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
        ]);
        $style = AiStyle::query()->create([
            'key' => 'failed-hook-style',
            'name' => 'Failed Hook Style',
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'requires_source_image' => true,
            'is_active' => true,
        ]);

        $request = AiEditRequest::query()->create([
            'tenant_id' => $event->tenant_id,
            'event_id' => $event->id,
            'photo_id' => $photo->id,
            'style_id' => $style->id,
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'status' => AiEditRequest::STATUS_PROCESSING,
            'safety_state' => 'pending',
            'prompt' => 'Transform image style.',
            'idempotency_key' => 'job-failed-hook-1',
            'queued_at' => now()->subMinute(),
            'started_at' => now()->subSeconds(30),
        ]);

        $job = new ProcessAiEditRequest($request->id);
        $job->failed(new RuntimeException('Queue worker timeout'));

        $request->refresh();

        $this->assertSame(AiEditRequest::STATUS_FAILED, $request->status);
        $this->assertSame('queue_job_failed', $request->failure_code);
        $this->assertSame('Queue worker timeout', $request->failure_message);
        $this->assertNotNull($request->completed_at);
    }

    public function test_it_persists_provider_output_to_local_storage_when_enabled(): void
    {
        config([
            'ai-editing.outputs.enabled' => true,
            'ai-editing.outputs.allowed_hosts' => ['cdn.runware.ai'],
            'filesystems.default' => 'public',
            'watermark.base.asset' => 'branding/test-watermark.png',
        ]);

        Storage::fake('public');
        Storage::disk('public')->put('branding/test-watermark.png', $this->tinyPngBinary());

        AiEditingSetting::query()->create(array_merge(
            AiEditingSetting::defaults(),
            [
                'runware_mode' => 'live',
                'queue_auto_dispatch' => false,
            ]
        ));

        Http::fake([
            'https://cdn.runware.ai/*' => Http::response($this->tinyPngBinary(), 200, [
                'Content-Type' => 'image/png',
            ]),
        ]);

        $event = Event::factory()->create(['status' => 'published']);
        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
        ]);

        $style = AiStyle::query()->create([
            'key' => 'storage-style',
            'name' => 'Storage Style',
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'requires_source_image' => true,
            'is_active' => true,
        ]);

        $request = AiEditRequest::query()->create([
            'tenant_id' => $event->tenant_id,
            'event_id' => $event->id,
            'photo_id' => $photo->id,
            'style_id' => $style->id,
            'provider' => 'runware',
            'provider_model' => 'runware-default',
            'status' => AiEditRequest::STATUS_QUEUED,
            'safety_state' => 'pending',
            'prompt' => 'Transform image style.',
            'idempotency_key' => 'job-storage-enabled-1',
            'queued_at' => now(),
        ]);

        $provider = \Mockery::mock(RunwareAiImageProvider::class);
        $provider->shouldReceive('submit')
            ->once()
            ->andReturn(AiProviderResult::succeeded(outputs: [[
                'provider_url' => 'https://cdn.runware.ai/outputs/final-image.png',
                'provider_asset_id' => 'asset-123',
                'mime_type' => 'image/png',
            ]]));
        $this->app->instance(RunwareAiImageProvider::class, $provider);

        ProcessAiEditRequest::dispatchSync($request->id);

        $request->refresh();
        $output = $request->outputs()->first();

        $this->assertSame(AiEditRequest::STATUS_SUCCEEDED, $request->status);
        $this->assertNotNull($output);
        $this->assertNotNull($output?->storage_disk);
        $this->assertNotNull($output?->storage_path);
        $this->assertNotSame('', trim((string) $output?->storage_path));
        $this->assertTrue(Storage::disk((string) $output?->storage_disk)->exists((string) $output?->storage_path));
    }

    private function tinyPngBinary(): string
    {
        return (string) base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+XnV0AAAAASUVORK5CYII=');
    }
}