<?php

use App\Jobs\RunWorkflowStepJob;
use App\Models\AiProvider;
use App\Models\VideoProject;
use App\Support\AiProviders\AiProviderManager;
use App\Support\VideoWorkflow\StepHandlers\StepHandlerManager;
use App\Support\VideoWorkflow\WorkflowEngine;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Storage;

beforeEach(function () {
    Storage::fake();
    $this->engine = new WorkflowEngine;
});

test('it runs the matching handler and completes the step', function () {
    Http::fake(['api.openai.com/*' => Http::response(['choices' => [['message' => ['content' => 'a script']]]])]);
    AiProvider::factory()->create(['provider' => 'openai']);

    $project = VideoProject::factory()->create();
    $step = $this->engine->start($project, [['type' => 'script_generation']]);

    (new RunWorkflowStepJob($step->id))->handle(app(StepHandlerManager::class), $this->engine);

    expect($step->fresh()->status)->toBe('completed');
});

test('it fails the step when no handler is registered for its type', function () {
    $project = VideoProject::factory()->create();
    // A made-up type — not a real WorkflowStep::TYPES value — so this test
    // stays valid regardless of which real types have handlers over time.
    $step = $this->engine->start($project, [['type' => 'some_future_step_type']]);

    (new RunWorkflowStepJob($step->id))->handle(app(StepHandlerManager::class), $this->engine);

    expect($step->fresh())
        ->status->toBe('failed')
        ->error->toContain('No handler registered');
});

test('it does nothing for a step that is no longer in_progress', function () {
    $project = VideoProject::factory()->create();
    $step = $this->engine->start($project, [['type' => 'script_generation']]);
    $this->engine->skipStep($step);

    (new RunWorkflowStepJob($step->id))->handle(app(StepHandlerManager::class), $this->engine);

    expect($step->fresh()->status)->toBe('skipped');
});

test('it does nothing for a missing step', function () {
    (new RunWorkflowStepJob(999999))->handle(app(StepHandlerManager::class), $this->engine);
})->throwsNoExceptions();

test('it fails the step when the handler throws unexpectedly', function () {
    $badHandler = new class implements \App\Support\VideoWorkflow\StepHandlers\StepHandler
    {
        public function type(): string
        {
            return 'script_generation';
        }

        public function handle(\App\Models\WorkflowStep $step, WorkflowEngine $engine): void
        {
            throw new \RuntimeException('boom');
        }
    };
    $manager = new StepHandlerManager([$badHandler]);

    $project = VideoProject::factory()->create();
    $step = $this->engine->start($project, [['type' => 'script_generation']]);

    (new RunWorkflowStepJob($step->id))->handle($manager, $this->engine);

    expect($step->fresh())
        ->status->toBe('failed')
        ->error->toBe('boom');
});