{ config, lib, pkgs, ... }:

let
  cfg = config.homelab.apps.solidtime;

  networkName = "solidtime";
  internalNetworkName = "solidtime-internal";

  version = "0.8.0";

  port = 8000;
  user = "1000:1000";

  # dbExternalPort = ...;
  dbInternalPort = 5432;

  gotenbergPort = 3000;

  inherit (config.virtualisation.oci-containers) containers;

  volumes = [
    "solidtime-storage:/var/www/html/storage"
    "solidtime-logs:/var/www/html/storage/logs"
    "solidtime-app:/var/www/html/storage/app"
  ];

  # laravel.env
  laravelEnv = {
    APP_NAME = "Solidtime";
    VITE_APP_NAME = laravelEnv.APP_NAME;
    APP_ENV = "production";
    APP_DEBUG = "false";
    APP_URL = "http://localhost:${toString port}";
    APP_FORCE_HTTPS = "false";
    APP_ENABLE_REGISTRATION = "false";
    TRUSTED_PROXIES = "0.0.0.0/0,2000:0:0:0:0:0:0:0/3";

    # Logging
    LOG_CHANNEL = "stderr_daily";
    LOG_LEVEL = "debug";

    # Database
    DB_CONNECTION = "pgsql";
    DB_HOST = containers.solidtimeDb.hostname;
    DB_PORT = toString dbInternalPort;
    DB_SSL_MODE = "require";
    DB_DATABASE = "solidtime";
    DB_USERNAME = "solidtime";
    DB_PASSWORD = "ChangeMe";

    # Mail
    #MAIL_MAILER = "smtp";
    #MAIL_HOST = "smtp.gmail.com";
    #MAIL_PORT = "465";
    #MAIL_ENCRYPTION = "tls";
    #MAIL_FROM_ADDRESS = "no-reply@time.depeuter.dev";
    MAIL_FROM_NAME = laravelEnv.APP_NAME;
    #MAIL_USERNAME = "kmtl.hugo@gmail.com";
    #MAIL_PASSWORD = "fhfxoequhhqidrhd";

    # Queue
    QUEUE_CONNECTION = "database";

    # File storage
    FILESYSTEM_DISK = "local";
    PUBLIC_FILESYSTEM_DISK = "public";

    # Services
    GOTENBERG_URL = "http://${containers.solidtimeGotenberg.hostname}:${toString gotenbergPort}";
  };

in {
  options.homelab.apps.solidtime.enable = lib.mkEnableOption "Solidtime time tracker using Docker";

  config = lib.mkIf cfg.enable {
    homelab.virtualisation.containers.enable = true;

    # Make sure the Docker network exists.
    systemd.services = {
      "docker-${networkName}-create-network" = {
        description = "Create Docker network for ${networkName}";
        requiredBy = [
          "${containers.solidtime.serviceName}.service"
        ];
        serviceConfig = {
          Type = "oneshot";
          RemainAfterExit = true;
        };
        script = ''
          if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
            ${pkgs.docker}/bin/docker network create ${networkName}
          fi
        '';
      };
      "docker-${internalNetworkName}-create-network" = {
        description = "Create Docker network for ${internalNetworkName}";
        requiredBy = [
          "${containers.solidtime.serviceName}.service"
          "${containers.solidtimeScheduler.serviceName}.service"
          "${containers.solidtimeQueue.serviceName}.service"
          "${containers.solidtimeDb.serviceName}.service"
          "${containers.solidtimeGotenberg.serviceName}.service"
        ];
        serviceConfig = {
          Type = "oneshot";
          RemainAfterExit = true;
        };
        script = ''
          if ! ${pkgs.docker}/bin/docker network ls | grep -q ${internalNetworkName}; then
            ${pkgs.docker}/bin/docker network create ${internalNetworkName}
          fi
        '';
      };
    };
    
    virtualisation.oci-containers.containers = {
      solidtime = {
        hostname = "solidtime";
        image = "solidtime/solidtime:${version}";
        autoStart = true;
        inherit user;
        ports = [
          # Open ports if you don't use Traefik
          "${toString port}:8000"
        ];
        extraOptions = [
          "--network=${networkName}"
          "--network=${internalNetworkName}"

          # Healthecks
          # test: [ "CMD-SHELL", "curl --fail http://localhost:8000/health-check/up || exit 1" ]
          ''--health-cmd=curl --fail http://localhost:8000/health-check/up || exit 1''
        ];
        inherit volumes;
        dependsOn = [
          "solidtimeDb"
        ];
        environmentFiles = [
          "/home/admin/.solidtime.env"
        ];
        environment = laravelEnv // {
          CONTAINER_MODE = "http";
        };
        labels = {
          "traefik.enable" = "true";
          "traefik.http.routers.solidtime.rule" = "Host(`time.${config.networking.hostName}.depeuter.dev`)";
          "traefik.http.services.solidtime.loadbalancer.server.port" = toString port;
        };
      };
      solidtimeScheduler = {
        hostname = "scheduler";
        image = "solidtime/solidtime:${version}";
        inherit user;
        autoStart = true;
        extraOptions = [
          "--network=${internalNetworkName}"

          # Healthchecks
          # test: [ "CMD-SHELL", "supervisorctl status scheduler:scheduler_00" ]
          ''--health-cmd="supervisorctl status scheduler:scheduler_00"''
        ];
        inherit volumes;
        dependsOn = [
          "solidtimeDb"
        ];
        environmentFiles = [
          "/home/admin/.solidtime.env"
        ];
        environment = laravelEnv // {
          CONTAINER_MODE = "scheduler";
        };
      };
      solidtimeQueue = {
        hostname = "queue";
        image = "solidtime/solidtime:${version}";
        inherit user;
        autoStart = true;
        extraOptions = [
          "--network=${internalNetworkName}"

          # Healthchecks
          # test: [ "CMD-SHELL", "supervisorctl status worker:worker_00" ]
          ''--health-cmd="supervisorctl status worker:worker_00"''
        ];
        inherit volumes;
        dependsOn = [
          "solidtimeDb"
        ];
        environmentFiles = [
          "/home/admin/.solidtime.env"
        ];
        environment = laravelEnv // {
          CONTAINER_MODE = "worker";
          WORKER_COMMAND = "php /var/www/html/artisan queue:work";
        };
      };
      solidtimeDb = {
        hostname = "database";
        image = "postgres:15";
        autoStart = true;
        ports = [
          # "${toString dbExternalPort}:${toString dbInternalPort}"
        ];
        extraOptions = [
          "--network=${internalNetworkName}"

          # Healthchecks
          # test: - CMD - pg_isready - '-q' - '-d' - '${DB_DATABASE}' - '-U' - '${DB_USERNAME}' retries: 3 timeout: 5s
          ''--health-cmd="pg_isready -q -d ${laravelEnv.DB_DATABASE} -U ${laravelEnv.DB_USERNAME}"''
          "--health-retries=3"
          "--health-timeout=5s"
        ];
        volumes = [
          "solidtime-db:/var/lib/postgresql/data"
        ];
        environment = {
          PGPASSWORD = laravelEnv.DB_PASSWORD;
          POSTGRES_DB = laravelEnv.DB_DATABASE;
          POSTGRES_USER = laravelEnv.DB_USERNAME;
          POSTGRES_PASSWORD = laravelEnv.DB_PASSWORD;
        };
      };
      solidtimeGotenberg = {
        hostname = "gotenberg";
        image = "gotenberg/gotenberg:8";
        autoStart = true;
        extraOptions = [
          "--network=${internalNetworkName}"

          # Healthchecks
          # test: [ "CMD", "curl", "--silent", "--fail", "http://localhost:3000/health" ]
          ''--health-cmd="curl --silent --fail http://localhost:${toString gotenbergPort}/health"''
        ];
      };
    };
  };
}