<?php

namespace Tests\Feature;

use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Queue;
use Illuminate\Support\Str;
use Tests\TestCase;

class ApiContractTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();
        Queue::fake();
    }

    public function test_simulation_jobs_follow_simulation_access_scope_and_contract_shape(): void
    {
        $token = Str::random(48);
        $create = $this->postJson('/api/v1/simulations', ['base' => 0, 'rate' => 0, 'reduction' => 0], [
            'Idempotency-Key' => (string) Str::uuid(),
            'X-Simulation-Token' => $token,
        ])->assertAccepted();

        $simulationId = $create->json('data.id');
        $this->getJson("/api/v1/simulations/{$simulationId}/jobs", ['X-Simulation-Token' => $token])
            ->assertOk()
            ->assertJsonStructure(['data' => [['id', 'simulation_id', 'job_type', 'status', 'attempts', 'available_at', 'started_at', 'finished_at', 'error_code']]])
            ->assertJsonPath('data.0.job_type', 'execute')
            ->assertJsonPath('data.0.status', 'pending')
            ->assertJsonPath('data.0.started_at', null)
            ->assertJsonPath('data.0.finished_at', null)
            ->assertJsonPath('data.0.error_code', null);

        $this->getJson("/api/v1/simulations/{$simulationId}/jobs", ['X-Simulation-Token' => Str::random(48)])
            ->assertNotFound();
    }

    public function test_public_legislation_lists_only_validated_current_sources_with_etag_and_correlation(): void
    {
        $owner = User::factory()->create();
        $validator = User::factory()->create();
        $validId = (string) Str::uuid();
        $today = today()->toDateString();
        DB::table('investment_legal_sources')->insert([
            ['id' => $validId, 'title' => 'Lei de teste', 'url' => 'https://example.org/lei', 'diploma' => 'Diploma A',
                'article' => 'Artigo 1', 'competent_entity' => 'Entidade A', 'valid_from' => $today, 'valid_until' => null,
                'validation_status' => 'validated', 'owner_id' => $owner->id, 'validator_id' => $validator->id,
                'validated_at' => now(), 'version_no' => 3, 'created_at' => now(), 'updated_at' => now()],
            ['id' => (string) Str::uuid(), 'title' => 'Lei pendente', 'url' => 'https://example.org/pendente', 'diploma' => 'Diploma B',
                'article' => 'Artigo 2', 'competent_entity' => 'Entidade B', 'valid_from' => $today, 'valid_until' => null,
                'validation_status' => 'pending', 'owner_id' => $owner->id, 'validator_id' => null,
                'validated_at' => null, 'version_no' => 1, 'created_at' => now(), 'updated_at' => now()],
            ['id' => (string) Str::uuid(), 'title' => 'Lei expirada', 'url' => 'https://example.org/expirada', 'diploma' => 'Diploma C',
                'article' => 'Artigo 3', 'competent_entity' => 'Entidade C', 'valid_from' => today()->subDay()->toDateString(),
                'valid_until' => today()->subDay()->toDateString(), 'validation_status' => 'validated', 'owner_id' => $owner->id,
                'validator_id' => $validator->id, 'validated_at' => now(), 'version_no' => 2, 'created_at' => now(), 'updated_at' => now()],
        ]);

        $correlationId = (string) Str::uuid();
        $response = $this->getJson('/api/v1/legislation/sources?q=Lei&per_page=1', ['X-Correlation-ID' => $correlationId])
            ->assertOk()
            ->assertHeader('ETag')
            ->assertHeader('X-Correlation-ID', $correlationId)
            ->assertJsonPath('meta.total', 1)
            ->assertJsonPath('data.0.id', $validId)
            ->assertJsonPath('data.0.validation_status', 'validated');

        $this->assertStringStartsWith('W/"legal-sources-', $response->headers->get('ETag'));
    }

    public function test_contract_errors_include_correlation_and_required_preconditions(): void
    {
        $missingKey = $this->postJson('/api/v1/simulations', ['base' => 1, 'rate' => 1, 'reduction' => 0])
            ->assertStatus(428)
            ->assertJsonStructure(['message'])
            ->assertHeader('X-Correlation-ID');
        $this->assertTrue(Str::isUuid($missingKey->headers->get('X-Correlation-ID')));

        $invalidCorrelation = $this->getJson('/api/v1/legislation/sources', ['X-Correlation-ID' => 'invalid'])
            ->assertUnprocessable()
            ->assertJsonPath('code', 'invalid_correlation_id')
            ->assertHeader('X-Correlation-ID');
        $this->assertTrue(Str::isUuid($invalidCorrelation->headers->get('X-Correlation-ID')));
    }
}