<?php

namespace Tests\Feature;

use App\Models\Document;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class DocumentTranslationCrudTest extends TestCase
{
    use RefreshDatabase;

    public function test_owner_can_add_a_translation(): void
    {
        $owner = User::factory()->create();
        $doc = Document::factory()->create(['default_locale' => 'en', 'created_by' => $owner->id]);

        $response = $this->actingAs($owner)->post(
            route('documents.translations.store', $doc),
            ['locale' => 'ja', 'title' => 'こんにちは', 'content' => '本文']
        );

        $response->assertRedirect();
        $this->assertNotNull($doc->fresh()->translationFor('ja', false));
    }

    public function test_non_owner_cannot_add_translation(): void
    {
        $owner = User::factory()->create();
        $other = User::factory()->create();
        $doc = Document::factory()->create(['default_locale' => 'en', 'created_by' => $owner->id]);

        $response = $this->actingAs($other)->post(
            route('documents.translations.store', $doc),
            ['locale' => 'ja', 'title' => 'こんにちは', 'content' => '本文']
        );

        $response->assertForbidden();
    }

    public function test_invalid_locale_is_rejected(): void
    {
        $owner = User::factory()->create();
        $doc = Document::factory()->create(['default_locale' => 'en', 'created_by' => $owner->id]);

        $response = $this->actingAs($owner)->post(
            route('documents.translations.store', $doc),
            ['locale' => 'xx', 'title' => 'X', 'content' => 'Y']
        );

        $response->assertSessionHasErrors('locale');
    }

    public function test_duplicate_locale_returns_422(): void
    {
        $owner = User::factory()->create();
        $doc = Document::factory()->create(['default_locale' => 'en', 'created_by' => $owner->id]);

        $response = $this->actingAs($owner)->post(
            route('documents.translations.store', $doc),
            ['locale' => 'en', 'title' => 'X', 'content' => 'Y']
        );

        $response->assertStatus(422);
    }

    public function test_owner_can_delete_non_default_translation(): void
    {
        $owner = User::factory()->create();
        $doc = Document::factory()->create(['default_locale' => 'en', 'created_by' => $owner->id]);
        app(\App\Services\DocumentService::class)->addTranslation($doc, 'ja', 'JA', 'body', $owner->id);

        $response = $this->actingAs($owner)->delete(
            route('documents.translations.destroy', ['document' => $doc, 'locale' => 'ja'])
        );

        $response->assertRedirect();
        $this->assertNull($doc->fresh()->translationFor('ja', false));
    }

    public function test_default_locale_translation_cannot_be_deleted(): void
    {
        $owner = User::factory()->create();
        $doc = Document::factory()->create(['default_locale' => 'en', 'created_by' => $owner->id]);

        $response = $this->actingAs($owner)->delete(
            route('documents.translations.destroy', ['document' => $doc, 'locale' => 'en'])
        );

        $response->assertStatus(422);
        $this->assertNotNull($doc->fresh()->translationFor('en', false));
    }
}