<?php

use App\Actions\Environments\PlanEnvironmentDeployment;
use App\Enums\DeployPolicy;
use App\Enums\EnvironmentAttachmentRole;
use App\Enums\RegistryType;
use App\Enums\SchedulerMode;
use App\Enums\ServiceCategory;
use App\Enums\ServiceType;
use App\Models\Application;
use App\Models\Environment;
use App\Models\Network;
use App\Models\Organisation;
use App\Models\Provider;
use App\Models\Server;
use App\Models\Service;

it('deploys only with-environment services and checks dependency attachments', function () {
    $organisation = Organisation::factory()->create();
    $application = Application::factory()->for($organisation)->create();
    $environment = Environment::factory()->for($application)->create();
    $web = Service::factory()->for($environment)->create([
        'organisation_id' => $organisation->id,
        'name' => 'web',
        'category' => ServiceCategory::APPLICATION,
        'type' => ServiceType::LARAVEL,
        'version' => 'php-8.4',
        'version_track' => 'php-8.4',
        'driver_name' => 'laravel.php-8.4',
        'deploy_policy' => DeployPolicy::WITH_ENVIRONMENT,
    ]);
    $postgres = Service::factory()->for($environment)->create([
        'organisation_id' => $organisation->id,
        'name' => 'postgres',
        'deploy_policy' => DeployPolicy::DEPENDENCY_ONLY,
    ]);

    $environment->attachments()->create([
        'service_id' => $postgres->id,
        'role' => EnvironmentAttachmentRole::DATABASE,
        'is_primary' => true,
    ]);

    $plan = app(PlanEnvironmentDeployment::class)->execute($environment);

    expect($plan->services)
        ->toHaveCount(1)
        ->and($plan->services[0]->is($web))->toBeTrue()
        ->and($plan->dependencies)->toHaveCount(1)
        ->and($plan->dependencies[0]->is($postgres))->toBeTrue();
});

it('blocks multi-server environment deployments when no registry exists', function () {
    config(['keystone.managed_registry.url' => null]);

    $organisation = Organisation::factory()->create();
    $application = Application::factory()->for($organisation)->create();
    $environment = Environment::factory()->for($application)->create();

    Service::factory()->for($environment)->create([
        'organisation_id' => $organisation->id,
        'name' => 'web',
        'category' => ServiceCategory::APPLICATION,
        'type' => ServiceType::LARAVEL,
        'version' => 'php-8.4',
        'version_track' => 'php-8.4',
        'driver_name' => 'laravel.php-8.4',
        'deploy_policy' => DeployPolicy::WITH_ENVIRONMENT,
        'desired_replicas' => 2,
    ]);

    $plan = app(PlanEnvironmentDeployment::class)->execute($environment);

    expect($plan->requiresRegistry)->toBeTrue();
});

it('blocks multi-server environment deployments when managed registry smoke checks have not passed', function () {
    $organisation = Organisation::factory()->create();
    $server = deploymentPlanBuildServerFor($organisation);
    $organisation->registries()->create([
        'name' => 'Managed',
        'type' => RegistryType::MANAGED,
        'url' => 'registry.example.com',
        'credentials' => [
            'build_username' => 'keystone-build',
            'build_password' => 'secret',
            'runtime_username' => 'keystone-runtime',
            'runtime_password' => 'runtime-secret',
        ],
        'control_server_id' => $server->id,
        'health_status' => 'pending',
        'readiness_checks' => ['control_https' => 'passed', 'build_push' => 'pending'],
    ]);
    $application = Application::factory()->for($organisation)->create();
    $environment = Environment::factory()->for($application)->create();

    Service::factory()->for($environment)->create([
        'organisation_id' => $organisation->id,
        'name' => 'web',
        'category' => ServiceCategory::APPLICATION,
        'type' => ServiceType::LARAVEL,
        'version' => 'php-8.4',
        'version_track' => 'php-8.4',
        'driver_name' => 'laravel.php-8.4',
        'deploy_policy' => DeployPolicy::WITH_ENVIRONMENT,
        'desired_replicas' => 2,
    ]);

    $plan = app(PlanEnvironmentDeployment::class)->execute($environment);

    expect($plan->requiresRegistry)->toBeTrue()
        ->and($plan->blockers)->toContain('Managed registry has not passed readiness checks.');
});

it('allows multi-server environment deployments when a managed registry exists', function () {
    $organisation = Organisation::factory()->create();
    $server = deploymentPlanBuildServerFor($organisation);
    $organisation->registries()->create([
        'name' => 'Managed',
        'type' => RegistryType::MANAGED,
        'url' => 'registry.example.com',
        'credentials' => [
            'build_username' => 'keystone-build',
            'build_password' => 'secret',
            'runtime_username' => 'keystone-runtime',
            'runtime_password' => 'runtime-secret',
        ],
        'control_server_id' => $server->id,
        'health_status' => 'healthy',
        'readiness_checks' => ['control_https' => 'passed', 'build_push' => 'passed'],
        'ready_at' => now(),
    ]);
    $application = Application::factory()->for($organisation)->create();
    $environment = Environment::factory()->for($application)->create();

    Service::factory()->for($environment)->create([
        'organisation_id' => $organisation->id,
        'name' => 'web',
        'category' => ServiceCategory::APPLICATION,
        'type' => ServiceType::LARAVEL,
        'version' => 'php-8.4',
        'version_track' => 'php-8.4',
        'driver_name' => 'laravel.php-8.4',
        'deploy_policy' => DeployPolicy::WITH_ENVIRONMENT,
        'desired_replicas' => 2,
    ]);

    $plan = app(PlanEnvironmentDeployment::class)->execute($environment);

    expect($plan->requiresRegistry)->toBeFalse();
});

function deploymentPlanBuildServerFor(Organisation $organisation): Server
{
    $provider = Provider::factory()->forOrganisation($organisation)->create();
    $network = Network::create([
        'organisation_id' => $organisation->id,
        'provider_id' => $provider->id,
        'name' => 'test-network',
        'ip_range' => '10.0.0.0/24',
    ]);

    return Server::factory()
        ->forOrganisation($organisation->id)
        ->forProvider($provider->id)
        ->forNetwork($network->id)
        ->create([
            'is_control_node' => true,
            'build_enabled' => true,
        ]);
}

it('warns about sync queues without creating worker services', function () {
    $organisation = Organisation::factory()->create();
    $application = Application::factory()->for($organisation)->create();
    $environment = Environment::factory()->for($application)->create();

    $environment->variables()->create([
        'key' => 'QUEUE_CONNECTION',
        'value' => 'sync',
        'source' => 'user',
        'overridable' => true,
    ]);

    $plan = app(PlanEnvironmentDeployment::class)->execute($environment);

    expect($plan->warnings)
        ->toContain('QUEUE_CONNECTION=sync is not recommended for deployed Laravel environments.');
});

it('blocks single scheduler mode when the scheduler target has multiple replicas', function () {
    $organisation = Organisation::factory()->create();
    $application = Application::factory()->for($organisation)->create();
    $environment = Environment::factory()->for($application)->create([
        'scheduler_enabled' => true,
        'scheduler_mode' => SchedulerMode::SINGLE,
    ]);
    $web = Service::factory()->for($environment)->create([
        'organisation_id' => $organisation->id,
        'name' => 'web',
        'category' => ServiceCategory::APPLICATION,
        'type' => ServiceType::LARAVEL,
        'version' => 'php-8.4',
        'version_track' => 'php-8.4',
        'driver_name' => 'laravel.php-8.4',
        'deploy_policy' => DeployPolicy::WITH_ENVIRONMENT,
        'process_roles' => ['web', 'scheduler'],
        'desired_replicas' => 2,
    ]);
    $environment->forceFill(['scheduler_target_service_id' => $web->id])->save();

    $plan = app(PlanEnvironmentDeployment::class)->execute($environment->refresh());

    expect($plan->blockers)->toContain('Scheduler mode single requires the scheduler target service to run exactly one replica.');
});