<?php

namespace Tests\Unit\Requests;

use Domains\Feed\Models\Feed;
use Domains\Feed\Requests\StoreRouteRequest;
use Domains\Platform\Models\PlatformChannel;
use Domains\Settings\Models\Language;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Validator;
use Tests\TestCase;

class StoreRouteRequestTest extends TestCase
{
    use RefreshDatabase;

    public function test_authorize_returns_true(): void
    {
        $request = new StoreRouteRequest();
        
        $this->assertTrue($request->authorize());
    }

    public function test_rules_include_required_fields(): void
    {
        $request = new StoreRouteRequest();
        $rules = $request->rules();

        $this->assertArrayHasKey('feed_id', $rules);
        $this->assertArrayHasKey('platform_channel_id', $rules);
        $this->assertArrayHasKey('language_id', $rules);
        $this->assertArrayHasKey('is_active', $rules);
        $this->assertArrayHasKey('priority', $rules);

        $this->assertStringContainsString('required', $rules['feed_id']);
        $this->assertStringContainsString('exists:feeds,id', $rules['feed_id']);
        $this->assertStringContainsString('required', $rules['platform_channel_id']);
        $this->assertStringContainsString('exists:platform_channels,id', $rules['platform_channel_id']);
        $this->assertStringContainsString('required', $rules['language_id']);
        $this->assertStringContainsString('exists:languages,id', $rules['language_id']);
    }

    public function test_validation_passes_with_valid_data(): void
    {
        $language = Language::factory()->create();
        $feed = Feed::factory()->create();
        $channel = PlatformChannel::factory()->create(['language_id' => $language->id]);

        // Attach language to feed
        $feed->languages()->attach($language->id, [
            'url' => $feed->url,
            'is_active' => true,
            'is_primary' => true
        ]);

        $data = [
            'feed_id' => $feed->id,
            'platform_channel_id' => $channel->id,
            'language_id' => $language->id,
            'is_active' => true,
            'priority' => 50
        ];

        $request = new StoreRouteRequest();
        $rules = $request->rules();
        $validator = Validator::make($data, $rules);

        $this->assertTrue($validator->passes());
    }

    public function test_validation_fails_without_required_fields(): void
    {
        $data = [];

        $request = new StoreRouteRequest();
        $rules = $request->rules();
        $validator = Validator::make($data, $rules);

        $this->assertFalse($validator->passes());
        $this->assertArrayHasKey('feed_id', $validator->errors()->toArray());
        $this->assertArrayHasKey('platform_channel_id', $validator->errors()->toArray());
        $this->assertArrayHasKey('language_id', $validator->errors()->toArray());
    }

    public function test_validation_fails_with_invalid_foreign_keys(): void
    {
        $data = [
            'feed_id' => 999,
            'platform_channel_id' => 999,
            'language_id' => 999,
            'is_active' => true,
            'priority' => 50
        ];

        $request = new StoreRouteRequest();
        $rules = $request->rules();
        $validator = Validator::make($data, $rules);

        $this->assertFalse($validator->passes());
        $this->assertArrayHasKey('feed_id', $validator->errors()->toArray());
        $this->assertArrayHasKey('platform_channel_id', $validator->errors()->toArray());
        $this->assertArrayHasKey('language_id', $validator->errors()->toArray());
    }

    public function test_language_consistency_validation_fails_when_feed_lacks_language(): void
    {
        $language1 = Language::factory()->create();
        $language2 = Language::factory()->create();
        $feed = Feed::factory()->create();
        $channel = PlatformChannel::factory()->create(['language_id' => $language1->id]);

        // Attach only language2 to feed, but request language1
        $feed->languages()->attach($language2->id, [
            'url' => $feed->url,
            'is_active' => true,
            'is_primary' => true
        ]);

        $data = [
            'feed_id' => $feed->id,
            'platform_channel_id' => $channel->id,
            'language_id' => $language1->id,
            'is_active' => true,
            'priority' => 50
        ];

        $request = new StoreRouteRequest();
        $request->merge($data);
        
        $rules = $request->rules();
        $validator = Validator::make($data, $rules);
        
        // Call the custom validation method
        $request->withValidator($validator);

        $this->assertFalse($validator->passes());
        $this->assertStringContainsString('The selected feed does not support this language', 
            $validator->errors()->first('language_id'));
    }

    public function test_language_consistency_validation_fails_when_channel_lacks_language(): void
    {
        $language1 = Language::factory()->create();
        $language2 = Language::factory()->create();
        $feed = Feed::factory()->create();
        $channel = PlatformChannel::factory()->create(['language_id' => $language2->id]);

        // Attach language1 to feed, but channel has language2
        $feed->languages()->attach($language1->id, [
            'url' => $feed->url,
            'is_active' => true,
            'is_primary' => true
        ]);

        $data = [
            'feed_id' => $feed->id,
            'platform_channel_id' => $channel->id,
            'language_id' => $language1->id,
            'is_active' => true,
            'priority' => 50
        ];

        $request = new StoreRouteRequest();
        $request->merge($data);
        
        $rules = $request->rules();
        $validator = Validator::make($data, $rules);
        
        // Call the custom validation method
        $request->withValidator($validator);

        $this->assertFalse($validator->passes());
        $this->assertStringContainsString('The selected channel does not support this language', 
            $validator->errors()->first('language_id'));
    }

    public function test_custom_messages(): void
    {
        $request = new StoreRouteRequest();
        $messages = $request->messages();

        $this->assertArrayHasKey('feed_id.required', $messages);
        $this->assertArrayHasKey('platform_channel_id.required', $messages);
        $this->assertArrayHasKey('language_id.required', $messages);
        $this->assertEquals('A feed must be selected.', $messages['feed_id.required']);
        $this->assertEquals('A platform channel must be selected.', $messages['platform_channel_id.required']);
        $this->assertEquals('A language must be selected.', $messages['language_id.required']);
    }
}