<?php

namespace Tests\Feature\Gateway;

use App\Models\User;
use Illuminate\Support\Facades\Http;
use Tests\TestCase;

class SupportChatControllerTest extends TestCase
{
    private function base(): string
    {
        return rtrim((string) config('services.backend.base'), '/');
    }

    private function actingUser()
    {
        return User::factory()->create(['email_verified_at' => now()]);
    }

    public function test_status_success_passthrough()
    {
        $user = $this->actingUser();
        Http::fake([
            $this->base() . '/support/status' => Http::response([
                'thread_id' => 't-1',
                'status' => 'ai',
                'messages' => [],
            ], 200),
        ]);

        $res = $this->actingAs($user, 'web')->get('/api/support/status');

        $res->assertStatus(200)
            ->assertJson([
                'thread_id' => 't-1',
                'status' => 'ai',
            ]);
    }

    public function test_status_client_error_maps_to_client_error()
    {
        Http::fake([
            $this->base() . '/support/status' => Http::response(['message' => 'Invalid'], 400),
        ]);

        $res = $this->actingAs($this->actingUser(), 'web')->get('/api/support/status');
        $res->assertStatus(400)
            ->assertJson([
                'error' => 'client_error',
            ]);
    }

    public function test_status_server_error_maps_to_503()
    {
        Http::fake([
            $this->base() . '/support/status' => Http::response(['message' => 'Oops'], 500),
        ]);
        $res = $this->actingAs($this->actingUser(), 'web')->get('/api/support/status');
        $res->assertStatus(503)
            ->assertJson([
                'error' => 'service_unavailable',
            ]);
    }

    public function test_start_success()
    {
        Http::fake([
            $this->base() . '/support/start' => Http::response([
                'thread_id' => 't-2',
                'status' => 'ai',
            ], 200),
        ]);
        $res = $this->actingAs($this->actingUser(), 'web')->postJson('/api/support/start', ['topic' => 'Konto']);
        $res->assertStatus(200)->assertJson([
            'thread_id' => 't-2',
            'status' => 'ai',
        ]);
    }

    public function test_message_success()
    {
        Http::fake([
            $this->base() . '/support/message' => Http::response(['ok' => true], 200),
        ]);
        $res = $this->actingAs($this->actingUser(), 'web')->postJson('/api/support/message', ['text' => 'Hallo']);
        $res->assertStatus(200);
    }

    public function test_stop_handoff_close_success()
    {
        Http::fake([
            $this->base() . '/support/stop' => Http::response(['success' => true], 200),
            $this->base() . '/support/handoff' => Http::response(['success' => true], 200),
            $this->base() . '/support/close' => Http::response(['success' => true], 200),
        ]);

        $this->actingAs($this->actingUser(), 'web')->postJson('/api/support/stop')->assertStatus(200);
        $this->actingAs($this->actingUser(), 'web')->postJson('/api/support/handoff')->assertStatus(200);
        $this->actingAs($this->actingUser(), 'web')->postJson('/api/support/close')->assertStatus(200);
    }

    public function test_stream_failure_maps_to_503()
    {
        Http::fake([
            $this->base() . '/support/stream' => Http::response(['message' => 'Down'], 500),
        ]);

        $res = $this->actingAs($this->actingUser(), 'web')->get('/api/support/stream');

        $res->assertStatus(503)
            ->assertJson([
                'error' => 'service_unavailable',
            ]);
    }
}