<?php

namespace Tests\Feature;

use App\Models\Conversation;
use App\Models\Message;
use App\Models\User;
use App\Models\Worker;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class WorkerMessageApiTest extends TestCase
{
    use RefreshDatabase;

    protected $worker;
    protected $employer;
    protected $token;

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

        // Create a test worker with an API token
        $this->token = 'test-token-12345';
        $this->worker = Worker::create([
            'name' => 'Jane Smith',
            'email' => 'jane@example.com',
            'phone' => '+971500000001',
            'password' => bcrypt('password'),
            'api_token' => $this->token,
            'status' => 'Available',
            'nationality' => 'Ethiopian',
            'age' => 28,
            'salary' => 1500.00,
            'availability' => 'Immediate',
            'experience' => '2 Years',
            'religion' => 'Christian',
            'bio' => 'Experienced housemaid seeking employment.',
        ]);

        // Create an employer user
        $this->employer = User::create([
            'name' => 'John Employer',
            'email' => 'employer_test@example.com',
            'password' => bcrypt('password'),
            'role' => 'employer',
        ]);
    }

    /**
     * Test retrieving conversation list for a worker.
     */
    public function test_worker_can_get_conversations()
    {
        // Create conversation
        $conversation = Conversation::create([
            'employer_id' => $this->employer->id,
            'worker_id' => $this->worker->id,
        ]);

        // Create a message from employer
        Message::create([
            'conversation_id' => $conversation->id,
            'sender_type' => 'employer',
            'sender_id' => $this->employer->id,
            'text' => 'Hello from employer!',
        ]);

        // Request API
        $response = $this->withHeaders([
            'Authorization' => 'Bearer ' . $this->token,
        ])->getJson('/api/workers/conversations');

        $response->assertStatus(200)
            ->assertJsonStructure([
                'success',
                'data' => [
                    'conversations' => [
                        '*' => [
                            'id',
                            'employer_id',
                            'employer_name',
                            'company_name',
                            'last_message',
                            'unread_count',
                            'sent_at',
                            'updated_at',
                        ]
                    ]
                ]
            ]);

        $this->assertEquals('Hello from employer!', $response->json('data.conversations.0.last_message'));
        $this->assertEquals(1, $response->json('data.conversations.0.unread_count'));
    }

    /**
     * Test retrieving messages in a conversation and marking them as read.
     */
    public function test_worker_can_get_messages_and_mark_as_read()
    {
        // Create conversation
        $conversation = Conversation::create([
            'employer_id' => $this->employer->id,
            'worker_id' => $this->worker->id,
        ]);

        // Create message
        $message = Message::create([
            'conversation_id' => $conversation->id,
            'sender_type' => 'employer',
            'sender_id' => $this->employer->id,
            'text' => 'Unread message',
            'read_at' => null,
        ]);

        // Request API
        $response = $this->withHeaders([
            'Authorization' => 'Bearer ' . $this->token,
        ])->getJson('/api/workers/conversations/' . $conversation->id . '/messages');

        $response->assertStatus(200)
            ->assertJsonStructure([
                'success',
                'data' => [
                    'conversation' => [
                        'id',
                        'employer_name',
                        'company_name',
                    ],
                    'messages' => [
                        '*' => [
                            'id',
                            'sender_type',
                            'text',
                            'time',
                            'read_at',
                            'created_at',
                        ]
                    ]
                ]
            ]);

        // Verify message marked as read in database
        $this->assertNotNull($message->fresh()->read_at);
    }

    /**
     * Test worker can send reply.
     */
    public function test_worker_can_send_reply()
    {
        // Create conversation
        $conversation = Conversation::create([
            'employer_id' => $this->employer->id,
            'worker_id' => $this->worker->id,
        ]);

        // Reply request
        $response = $this->withHeaders([
            'Authorization' => 'Bearer ' . $this->token,
        ])->postJson('/api/workers/conversations/' . $conversation->id . '/messages', [
            'text' => 'Hello Employer, I am available!'
        ]);

        $response->assertStatus(201)
            ->assertJsonStructure([
                'success',
                'message',
                'data' => [
                    'message' => [
                        'id',
                        'sender_type',
                        'text',
                        'time',
                        'created_at',
                    ]
                ]
            ]);

        // Verify message created in database
        $this->assertDatabaseHas('messages', [
            'conversation_id' => $conversation->id,
            'sender_type' => 'worker',
            'sender_id' => $this->worker->id,
            'text' => 'Hello Employer, I am available!',
        ]);
    }

    /**
     * Test request fails without authorization token.
     */
    public function test_unauthenticated_requests_are_blocked()
    {
        $response = $this->getJson('/api/workers/conversations');
        $response->assertStatus(401);
    }

    /**
     * Test worker message triggers push notification.
     */
    public function test_worker_message_triggers_push_notification()
    {
        \Illuminate\Support\Facades\Http::fake([
            'https://oauth2.googleapis.com/token' => \Illuminate\Support\Facades\Http::response(['access_token' => 'mocked-fcm-token'], 200),
            'https://fcm.googleapis.com/*' => \Illuminate\Support\Facades\Http::response(['name' => 'projects/migrant-fe5a7/messages/mock-id'], 200),
        ]);

        // Set fcm_token on employer
        $this->employer->update(['fcm_token' => 'employer-device-fcm-token-123']);

        // Create conversation
        $conversation = Conversation::create([
            'employer_id' => $this->employer->id,
            'worker_id' => $this->worker->id,
        ]);

        // Reply request
        $response = $this->withHeaders([
            'Authorization' => 'Bearer ' . $this->token,
        ])->postJson('/api/workers/conversations/' . $conversation->id . '/messages', [
            'text' => 'Testing push notification to employer!'
        ]);

        $response->assertStatus(201);

        // Assert Http call was made to FCM endpoint
        \Illuminate\Support\Facades\Http::assertSent(function ($request) {
            return str_contains($request->url(), 'fcm.googleapis.com') && 
                   $request['message']['token'] === 'employer-device-fcm-token-123' &&
                   $request['message']['notification']['body'] === 'Testing push notification to employer!';
        });
    }
}