{ config, pkgs, ... }:

let
  container_name = "traefik";
  compose_file = "podman/traefik/compose.yaml";
  config_dir = "/mnt/config/traefik";
in

{
  config = {
    environment.etc."${compose_file}".text =
      /*
      yaml
      */
      ''
        services:
          traefik:
            image: docker.io/library/traefik:latest
            container_name: ${container_name}
            networks:
              nextcloud-aio:
                ipv4_address: 172.16.1.253
              passbolt_frontend:
                ipv4_address: 172.16.20.253
              pihole:
                ipv4_address: 172.16.3.253
              hass_frontend:
                ipv4_address: 172.16.40.253
              immich_frontend:
                ipv4_address: 172.16.50.253
              gitea_frontend:
                ipv4_address: 172.16.60.253
              it-tools:
                ipv4_address: 172.16.7.253
            ports:
              - 80:80
              - 443:443
            volumes:
              - /run/user/1000/podman/podman.sock:/run/docker.sock:ro
              - ${config_dir}/rules/:/etc/traefik/conf/:ro
              - ${config_dir}/traefik.yaml:/etc/traefik/traefik.yaml:ro
              - ${config_dir}/certs/:/var/traefik/certs/:rw
            environment:
              - CF_DNS_API_TOKEN=$CF_DNS_API_TOKEN
            labels:
              - traefik.enable=true
              - traefik.http.services.traefik.loadbalancer.server.port=8080
              - traefik.http.services.traefik.loadbalancer.server.scheme=http
              - traefik.http.routers.traefik-https.entrypoints=websecure
              - traefik.http.routers.traefik-https.rule=Host(`${container_name}.$DOMAIN_NAME`)
              - traefik.http.routers.traefik-https.tls=true
              - traefik.http.routers.traefik-https.tls.certresolver=cloudflare
            restart: always
        networks:
          nextcloud-aio:
            name: nextcloud-aio
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.1.0/24"
                  gateway: "172.16.1.254"
          passbolt_backend:
            name: passbolt_backend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.2.0/24"
                  gateway: "172.16.2.254"
          passbolt_frontend:
            name: passbolt_frontend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.20.0/24"
                  gateway: "172.16.20.254"
          pihole:
            name: pihole
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.3.0/24"
                  gateway: "172.16.3.254"
          hass_backend:
            name: hass_backend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.4.0/24"
                  gateway: "172.16.4.254"
          hass_frontend:
            name: hass_frontend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.40.0/24"
                  gateway: "172.16.40.254"
          immich_backend:
            name: immich_backend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.5.0/24"
                  gateway: "172.16.5.254"
          immich_frontend:
            name: immich_frontend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.50.0/24"
                  gateway: "172.16.50.254"
          gitea_backend:
            name: gitea_backend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.6.0/24"
                  gateway: "172.16.6.254"
          gitea_frontend:
            name: gitea_frontend
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.60.0/24"
                  gateway: "172.16.60.254"
          it-tools:
            name: it-tools
            driver: bridge
            ipam:
              config:
                - subnet: "172.16.7.0/24"
                  gateway: "172.16.7.254"
      '';

    systemd.services.traefik = {
      description = "Podman container : ${container_name}";
      after = [ "network.target" "docker.socket" ];
      requires = [ "network.target" ];
      wantedBy = [ "multi-user.target" ];
      path = [ pkgs.podman-compose ];

      serviceConfig = {
        Type = "exec";
        # Pull the latest image before running
        ExecStartPre = "${pkgs.podman-compose}/bin/podman-compose -f /etc/${compose_file} pull";
        # Bring the service up
        ExecStart = "${pkgs.podman-compose}/bin/podman-compose -f /etc/${compose_file} up --remove-orphans";
        # Take it down gracefully
        ExecStop = "${pkgs.podman-compose}/bin/podman-compose -f /etc/${compose_file} down";

        Restart = "on-failure";
      };
    };
  };
}