<?php

namespace Tests\Feature\Gateway;

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

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

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

    public function test_apply_success_passes_message()
    {
        Http::fake([
            $this->base() . '/promos/apply' => Http::response([
                'success' => true,
                'message' => 'Applied',
            ], 200),
        ]);

        $res = $this->actingAs($this->actingUser(), 'web')
            ->postJson('/api/promos/apply', ['code' => 'WELCOME']);

        $res->assertStatus(200)
            ->assertJson([
                'success' => true,
                'message' => 'Applied',
            ]);
    }

    public function test_apply_client_error_maps_to_client_error()
    {
        Http::fake([
            $this->base() . '/promos/apply' => Http::response(['message' => 'Invalid code'], 400),
        ]);

        $res = $this->actingAs($this->actingUser(), 'web')
            ->postJson('/api/promos/apply', ['code' => 'bad!']);

        $res->assertStatus(400)
            ->assertJson(['error' => 'client_error']);
    }
}