<?php

use App\Actions\Proxy\SaveProxyConfiguration;
use App\Enums\ProxyTypes;
use App\Models\Application;
use App\Models\Server;
use Symfony\Component\Yaml\Yaml;

function collectProxyDockerNetworksByServer(Server $server)
{
    if (! $server->isFunctional()) {
        return collect();
    }
    $proxyType = $server->proxyType();
    if (is_null($proxyType) || $proxyType === 'NONE') {
        return collect();
    }
    $networks = instant_remote_process(['docker inspect --format="{{json .NetworkSettings.Networks }}" coolify-proxy'], $server, false);

    return collect($networks)->map(function ($network) {
        return collect(json_decode($network))->keys();
    })->flatten()->unique();
}
function collectDockerNetworksByServer(Server $server)
{
    $allNetworks = collect([]);
    if ($server->isSwarm()) {
        $networks = collect($server->swarmDockers)->map(function ($docker) {
            return $docker['network'];
        });
    } else {
        // Standalone networks
        $networks = collect($server->standaloneDockers)->map(function ($docker) {
            return $docker['network'];
        });
    }
    $allNetworks = $allNetworks->merge($networks);
    // Service networks
    foreach ($server->services()->get() as $service) {
        if ($service->isRunning()) {
            $networks->push($service->networks());
        }
        $allNetworks->push($service->networks());
    }
    // Docker compose based apps
    $docker_compose_apps = $server->dockerComposeBasedApplications();
    foreach ($docker_compose_apps as $app) {
        if ($app->isRunning()) {
            $networks->push($app->uuid);
        }
        $allNetworks->push($app->uuid);
    }
    // Docker compose based preview deployments
    $docker_compose_previews = $server->dockerComposeBasedPreviewDeployments();
    foreach ($docker_compose_previews as $preview) {
        if (! $preview->isRunning()) {
            continue;
        }
        $pullRequestId = $preview->pull_request_id;
        $applicationId = $preview->application_id;
        $application = Application::find($applicationId);
        if (! $application) {
            continue;
        }
        $network = "{$application->uuid}-{$pullRequestId}";
        $networks->push($network);
        $allNetworks->push($network);
    }
    $networks = collect($networks)->flatten()->unique();
    $allNetworks = $allNetworks->flatten()->unique();
    if ($server->isSwarm()) {
        if ($networks->count() === 0) {
            $networks = collect(['coolify-overlay']);
            $allNetworks = collect(['coolify-overlay']);
        }
    } else {
        if ($networks->count() === 0) {
            $networks = collect(['coolify']);
            $allNetworks = collect(['coolify']);
        }
    }

    return [
        'networks' => $networks,
        'allNetworks' => $allNetworks,
    ];
}
function connectProxyToNetworks(Server $server)
{
    ['networks' => $networks] = collectDockerNetworksByServer($server);
    if ($server->isSwarm()) {
        $commands = $networks->map(function ($network) {
            return [
                "docker network ls --format '{{.Name}}' | grep '^$network$' >/dev/null || docker network create --driver overlay --attachable $network >/dev/null",
                "docker network connect $network coolify-proxy >/dev/null 2>&1 || true",
                "echo 'Successfully connected coolify-proxy to $network network.'",
            ];
        });
    } else {
        $commands = $networks->map(function ($network) {
            return [
                "docker network ls --format '{{.Name}}' | grep '^$network$' >/dev/null || docker network create --attachable $network >/dev/null",
                "docker network connect $network coolify-proxy >/dev/null 2>&1 || true",
                "echo 'Successfully connected coolify-proxy to $network network.'",
            ];
        });
    }

    return $commands->flatten();
}
function generate_default_proxy_configuration(Server $server)
{
    $proxy_path = $server->proxyPath();
    $proxy_type = $server->proxyType();

    if ($server->isSwarm()) {
        $networks = collect($server->swarmDockers)->map(function ($docker) {
            return $docker['network'];
        })->unique();
        if ($networks->count() === 0) {
            $networks = collect(['coolify-overlay']);
        }
    } else {
        $networks = collect($server->standaloneDockers)->map(function ($docker) {
            return $docker['network'];
        })->unique();
        if ($networks->count() === 0) {
            $networks = collect(['coolify']);
        }
    }

    $array_of_networks = collect([]);
    $filtered_networks = collect([]);
    $networks->map(function ($network) use ($array_of_networks, $filtered_networks) {
        if ($network === 'host') {
            return; // network-scoped alias is supported only for containers in user defined networks
        }

        $array_of_networks[$network] = [
            'external' => true,
        ];
        $filtered_networks->push($network);
    });
    if ($proxy_type === ProxyTypes::TRAEFIK->value) {
        $labels = [
            'traefik.enable=true',
            'traefik.http.routers.traefik.entrypoints=http',
            'traefik.http.routers.traefik.service=api@internal',
            'traefik.http.services.traefik.loadbalancer.server.port=8080',
            'coolify.managed=true',
            'coolify.proxy=true',
        ];
        $config = [
            'name' => 'coolify-proxy',
            'networks' => $array_of_networks->toArray(),
            'services' => [
                'traefik' => [
                    'container_name' => 'coolify-proxy',
                    'image' => 'traefik:v3.1',
                    'restart' => RESTART_MODE,
                    'extra_hosts' => [
                        'host.docker.internal:host-gateway',
                    ],
                    'networks' => $filtered_networks->toArray(),
                    'ports' => [
                        '80:80',
                        '443:443',
                        '443:443/udp',
                        '8080:8080',
                    ],
                    'healthcheck' => [
                        'test' => 'wget -qO- http://localhost:80/ping || exit 1',
                        'interval' => '4s',
                        'timeout' => '2s',
                        'retries' => 5,
                    ],
                    'volumes' => [
                        '/var/run/docker.sock:/var/run/docker.sock:ro',

                    ],
                    'command' => [
                        '--ping=true',
                        '--ping.entrypoint=http',
                        '--api.dashboard=true',
                        '--entrypoints.http.address=:80',
                        '--entrypoints.https.address=:443',
                        '--entrypoints.http.http.encodequerysemicolons=true',
                        '--entryPoints.http.http2.maxConcurrentStreams=250',
                        '--entrypoints.https.http.encodequerysemicolons=true',
                        '--entryPoints.https.http2.maxConcurrentStreams=250',
                        '--entrypoints.https.http3',
                        '--providers.file.directory=/traefik/dynamic/',
                        '--providers.file.watch=true',
                        '--certificatesresolvers.letsencrypt.acme.httpchallenge=true',
                        '--certificatesresolvers.letsencrypt.acme.httpchallenge.entrypoint=http',
                        '--certificatesresolvers.letsencrypt.acme.storage=/traefik/acme.json',
                    ],
                    'labels' => $labels,
                ],
            ],
        ];
        if (isDev()) {
            $config['services']['traefik']['command'][] = '--api.insecure=true';
            $config['services']['traefik']['command'][] = '--log.level=debug';
            $config['services']['traefik']['command'][] = '--accesslog.filepath=/traefik/access.log';
            $config['services']['traefik']['command'][] = '--accesslog.bufferingsize=100';
            $config['services']['traefik']['volumes'][] = '/var/lib/docker/volumes/coolify_dev_coolify_data/_data/proxy/:/traefik';
        } else {
            $config['services']['traefik']['command'][] = '--api.insecure=false';
            $config['services']['traefik']['volumes'][] = "{$proxy_path}:/traefik";
        }
        if ($server->isSwarm()) {
            data_forget($config, 'services.traefik.container_name');
            data_forget($config, 'services.traefik.restart');
            data_forget($config, 'services.traefik.labels');

            $config['services']['traefik']['command'][] = '--providers.swarm.endpoint=unix:///var/run/docker.sock';
            $config['services']['traefik']['command'][] = '--providers.swarm.exposedbydefault=false';
            $config['services']['traefik']['deploy'] = [
                'labels' => $labels,
                'placement' => [
                    'constraints' => [
                        'node.role==manager',
                    ],
                ],
            ];
        } else {
            $config['services']['traefik']['command'][] = '--providers.docker=true';
            $config['services']['traefik']['command'][] = '--providers.docker.exposedbydefault=false';
        }
    } elseif ($proxy_type === 'CADDY') {
        $config = [
            'networks' => $array_of_networks->toArray(),
            'services' => [
                'caddy' => [
                    'container_name' => 'coolify-proxy',
                    'image' => 'lucaslorentz/caddy-docker-proxy:2.8-alpine',
                    'restart' => RESTART_MODE,
                    'extra_hosts' => [
                        'host.docker.internal:host-gateway',
                    ],
                    'environment' => [
                        'CADDY_DOCKER_POLLING_INTERVAL=5s',
                        'CADDY_DOCKER_CADDYFILE_PATH=/dynamic/Caddyfile',
                    ],
                    'networks' => $filtered_networks->toArray(),
                    'ports' => [
                        '80:80',
                        '443:443',
                        '443:443/udp',
                    ],
                    'labels' => [
                        'coolify.managed=true',
                        'coolify.proxy=true',
                    ],
                    'volumes' => [
                        '/var/run/docker.sock:/var/run/docker.sock:ro',
                        "{$proxy_path}/dynamic:/dynamic",
                        "{$proxy_path}/config:/config",
                        "{$proxy_path}/data:/data",
                    ],
                ],
            ],
        ];
    } else {
        return null;
    }

    $config = Yaml::dump($config, 12, 2);
    SaveProxyConfiguration::run($server, $config);

    return $config;
}
