<?php

declare(strict_types=1);

namespace Tests\Feature\Site;

use App\Models\Project;
use App\Support\Maintenance;
use Database\Seeders\RolePermissionSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use PHPUnit\Framework\Attributes\Test;
use Tests\FakesPireon;
use Tests\TestCase;

class MaintenanceModeTest extends TestCase
{
    use FakesPireon, RefreshDatabase;

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

        $this->withHeaders(['Accept-Language' => 'es']);
    }

    #[Test]
    public function the_public_api_answers_503_with_the_notice(): void
    {
        Project::factory()->published()->create();

        Maintenance::enable(message: ['es' => 'Volvemos en una hora.']);

        $response = $this->getJson('/api/public/v1/projects');

        $response->assertStatus(503)
            ->assertJsonPath('maintenance', true)
            ->assertJsonPath('message', 'Volvemos en una hora.');

        $this->assertNotNull($response->headers->get('Retry-After'));

        // A cached 503 would outlive the maintenance itself.
        $this->assertSame('no-store, private', $response->headers->get('Cache-Control'));
    }

    #[Test]
    public function the_notice_is_returned_in_the_requested_language(): void
    {
        Maintenance::enable(message: [
            'es' => 'Estamos de obras.',
            'ca' => 'Estem d\'obres.',
        ]);

        $this->getJson('/api/public/v1/site?lang=ca')
            ->assertStatus(503)
            ->assertJsonPath('message', 'Estem d\'obres.');
    }

    #[Test]
    public function a_language_without_a_written_notice_falls_back(): void
    {
        Maintenance::enable(message: ['es' => 'Solo en castellano.']);

        // Falls back to the default locale's wording rather than showing
        // nothing to an English visitor.
        $this->getJson('/api/public/v1/site?lang=en')
            ->assertStatus(503)
            ->assertJsonPath('message', 'Solo en castellano.');
    }

    #[Test]
    public function with_no_notice_written_a_translated_default_is_used(): void
    {
        Maintenance::enable();

        $this->getJson('/api/public/v1/site?lang=en')
            ->assertStatus(503)
            ->assertJsonPath('message', __('maintenance.default_message', [], 'en'));
    }

    #[Test]
    public function the_panel_keeps_working_while_the_site_is_down(): void
    {
        $this->seed(RolePermissionSeeder::class);

        Maintenance::enable();

        // The whole point: the collective must be able to fix whatever caused
        // the maintenance.
        $this->actingAs($this->userWithRoles('admin'))
            ->get('/admin')
            ->assertSuccessful();
    }

    #[Test]
    public function the_admin_api_keeps_working_while_the_site_is_down(): void
    {
        $this->seed(RolePermissionSeeder::class);

        Maintenance::enable();

        $user = $this->userWithRoles('editor');

        $this->getJson('/api/v1/me', $this->apiHeadersFor($user))->assertOk();
    }

    #[Test]
    public function the_preview_secret_lets_the_team_see_the_real_site(): void
    {
        config()->set('site.preview_token', 'the-secret');

        Project::factory()->published()->create();

        Maintenance::enable();

        $this->getJson('/api/public/v1/projects', ['X-Preview-Token' => 'the-secret'])
            ->assertOk()
            ->assertJsonCount(1, 'data');
    }

    #[Test]
    public function a_trusted_ip_also_bypasses_it(): void
    {
        config()->set('site.trusted_ips', ['127.0.0.1']);

        Project::factory()->published()->create();

        Maintenance::enable();

        $this->getJson('/api/public/v1/projects')->assertOk();
    }

    #[Test]
    public function it_lifts_itself_once_the_window_has_passed(): void
    {
        Maintenance::enable(until: now()->addHour()->toImmutable());
        $this->assertTrue(Maintenance::isEnabled());

        $this->travel(2)->hours();

        // A forgotten flag must not keep the site down forever.
        $this->assertFalse(Maintenance::isEnabled());
        $this->getJson('/api/public/v1/site')->assertOk();
    }

    #[Test]
    public function retry_after_reflects_the_remaining_window(): void
    {
        Maintenance::enable(until: now()->addMinutes(10)->toImmutable());

        $retryAfter = (int) $this->getJson('/api/public/v1/site')
            ->assertStatus(503)
            ->headers->get('Retry-After');

        $this->assertGreaterThan(500, $retryAfter);
        $this->assertLessThanOrEqual(600, $retryAfter);
    }

    #[Test]
    public function disabling_brings_the_site_back(): void
    {
        Maintenance::enable();
        $this->getJson('/api/public/v1/site')->assertStatus(503);

        Maintenance::disable();
        $this->getJson('/api/public/v1/site')->assertOk();
    }

    #[Test]
    public function the_setting_is_cached_but_a_change_takes_effect_at_once(): void
    {
        $this->getJson('/api/public/v1/site')->assertOk();

        Maintenance::enable();

        // Writes clear the cache entry, so there is no stale window in which
        // the site stays up after someone flipped the switch.
        $this->getJson('/api/public/v1/site')->assertStatus(503);
    }

    #[Test]
    public function toggling_it_needs_its_own_permission(): void
    {
        $this->seed(RolePermissionSeeder::class);

        $editor = $this->userWithRoles('editor');
        $admin = $this->userWithRoles('admin');

        // Editors can see the state but not take the site down.
        $this->assertTrue($editor->can('settings.view'));
        $this->assertFalse($editor->can('settings.maintenance'));
        $this->assertTrue($admin->can('settings.maintenance'));
    }

    #[Test]
    public function the_command_reports_and_toggles(): void
    {
        $this->artisan('site:maintenance', ['--message' => 'Obras'])
            ->assertSuccessful();

        $this->assertTrue(Maintenance::isEnabled());
        $this->assertSame('Obras', Maintenance::message('es'));

        $this->artisan('site:maintenance', ['--up' => true])->assertSuccessful();

        $this->assertFalse(Maintenance::isEnabled());
    }
}