<?php

namespace Tests\Feature\Services\Auth;

use App\Enums\UserEnum;
use App\Models\User;
use App\Services\Auth\AuthService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Auth;
use Tests\TestCase;

class AuthServiceTest extends TestCase
{
    use RefreshDatabase;

    protected AuthService $service;

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

        $this->service = app(AuthService::class);
    }

    public function test_get_levels_for_phone_maps_user_levels_to_slugs(): void
    {
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value]);
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Supervisor->value]);
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Vet->value]);

        $levels = $this->service->getLevelsForPhone('09120000000');

        $this->assertEqualsCanonicalizing(['doctor', 'supervisor', 'veterinarian'], $levels);
    }

    public function test_get_levels_for_phone_excludes_admin_level(): void
    {
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Admin->value]);
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value]);

        $this->assertSame(['doctor'], $this->service->getLevelsForPhone('09120000000'));
    }

    public function test_get_levels_for_phone_returns_unique_levels(): void
    {
        User::factory()->count(2)->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value]);

        $this->assertSame(['doctor'], $this->service->getLevelsForPhone('09120000000'));
    }

    public function test_get_levels_for_phone_returns_empty_array_for_unknown_phone(): void
    {
        User::factory()->create(['phone' => '09130000000']);

        $this->assertSame([], $this->service->getLevelsForPhone('09120000000'));
    }

    public function test_get_levels_for_phone_flushes_session(): void
    {
        session(['login_phone' => '09120000000']);

        $this->service->getLevelsForPhone('09120000000');

        $this->assertFalse(session()->has('login_phone'));
    }

    public function test_authenticate_logs_in_user_matching_phone_level_and_password(): void
    {
        $user = User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value, 'password' => 'secret123']);

        $authenticated = $this->service->authenticateByPhoneAndLevel('09120000000', UserEnum::Doctor->value, 'secret123');

        $this->assertTrue($authenticated->is($user));
        $this->assertTrue(Auth::check());
        $this->assertTrue(Auth::user()->is($user));
    }

    public function test_authenticate_clears_login_flow_session_keys(): void
    {
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value, 'password' => 'secret123']);
        session(['register_phone' => 'x', 'verified_phone' => 'x', 'otp_verified' => true, 'login_phone' => 'x', 'login_level' => 'x', 'available_levels' => []]);

        $this->service->authenticateByPhoneAndLevel('09120000000', UserEnum::Doctor->value, 'secret123');

        foreach (['register_phone', 'verified_phone', 'otp_verified', 'login_phone', 'login_level', 'available_levels'] as $key) {
            $this->assertFalse(session()->has($key), "session key {$key} was not forgotten");
        }
    }

    public function test_authenticate_returns_null_for_wrong_password(): void
    {
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value, 'password' => 'secret123']);

        $this->assertNull($this->service->authenticateByPhoneAndLevel('09120000000', UserEnum::Doctor->value, 'wrong'));
        $this->assertFalse(Auth::check());
    }

    public function test_authenticate_returns_null_for_wrong_level(): void
    {
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value, 'password' => 'secret123']);

        $this->assertNull($this->service->authenticateByPhoneAndLevel('09120000000', UserEnum::Supervisor->value, 'secret123'));
        $this->assertFalse(Auth::check());
    }

    public function test_authenticate_returns_null_for_unknown_phone(): void
    {
        $this->assertNull($this->service->authenticateByPhoneAndLevel('09120000000', UserEnum::Doctor->value, 'secret123'));
        $this->assertFalse(Auth::check());
    }

    public function test_authenticate_picks_account_with_requested_level_when_phone_has_many(): void
    {
        User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Doctor->value, 'password' => 'doctor-pass']);
        $supervisor = User::factory()->create(['phone' => '09120000000', 'level' => UserEnum::Supervisor->value, 'password' => 'supervisor-pass']);

        $authenticated = $this->service->authenticateByPhoneAndLevel('09120000000', UserEnum::Supervisor->value, 'supervisor-pass');

        $this->assertTrue($authenticated->is($supervisor));
    }
}