{ config, lib, pkgs, assets, ... }:
with lib;
{
  options.components.network.nginx.enable = mkOption {
    type = lib.types.bool;
    default = config.components.network.enable;
  };

  options.components.network.nginx.landingpage.enable = mkOption {
    type = lib.types.bool;
    default = config.components.network.nginx.enable;
  };

  config = mkMerge [
    (mkIf (config.components.network.nginx.enable) {

      environment.systemPackages = [
        pkgs.nginx-config-formatter
        (pkgs.writers.writePython3Bin "nginx-show-config" { flakeIgnore = [ "E265" "E225" "W292" ]; }
          (lib.fileContents "${assets}/nginx-show-config.py"))
      ];

      security.acme.defaults.email = "contact@ingolf-wagner.de";
      security.acme.acceptTerms = true;

      services.nginx = {

        # Use recommended settings
        recommendedGzipSettings = lib.mkDefault true;
        recommendedOptimisation = lib.mkDefault true;
        recommendedProxySettings = lib.mkDefault true;
        recommendedTlsSettings = lib.mkDefault true;

        # for loki logging
        commonHttpConfig = ''
          log_format logfmt
            'timestamp="$time_iso8601" '
            'facility="nginx" '
            'src_addr="$remote_addr" '
            'body_bytes_sent="$body_bytes_sent" '
            'request_time="$request_time" '
            'response_status="$status" '
            'request_method="$request_method" '
            'request="$request" '
            'host="$host" '
            'upstream_cache_status="$upstream_cache_status" '
            'upstream_addr="$upstream_addr" '
            'http_x_forwarded_for="$http_x_forwarded_for" '
            'http_referrer="$http_referer" '
            'http_user_agent="$http_user_agent" ';

           log_format json_combined escape=json
             '{'
                '"timestamp":"$time_iso8601",'
                '"facility":"nginx",'
                '"src_addr":"$remote_addr",'
                '"body_bytes_sent":"$body_bytes_sent",'
                '"request_time":"$request_time",'
                '"response_status":"$status",'
                '"request_method":"$request_method",'
                '"request":"$request",'
                '"host":"$host",'
                '"upstream_cache_status":"$upstream_cache_status",'
                '"upstream_addr":"$upstream_addr",'
                '"http_x_forwarded_for":"$http_x_forwarded_for",'
                '"http_referrer":"$http_referer",'
                '"http_user_agent":"$http_user_agent"'
              '}';

          # log to local journald
          access_log syslog:server=unix:/dev/log,nohostname logfmt;
        '';

      };

      services.nginx.package = pkgs.nginxMainline;

    })

    (mkIf (config.components.network.nginx.landingpage.enable) {

      services.nginx.virtualHosts."${config.networking.hostName}.private" = {
        default = lib.mkDefault true;
        locations."/" = {
          root = pkgs.landingpage.override {
            jsonConfig =
              let
                entry = { machine, items ? [ ] }:
                  {
                    text = machine;
                    items = [
                      {
                        label = "Syncthing";
                        href = "http://${machine}.private:8384/";
                        image = "https://media.giphy.com/media/JoyU4vuzwj6ZA7Ging/giphy.gif";
                      }
                      {
                        label = "netdata";
                        href = "http://${machine}.private:19999/";
                        image = "https://media.giphy.com/media/BkjdN6MQCDPaw/giphy.gif";
                      }
                    ] ++ items;
                  };
              in
              [
                { title = "System Links"; }
                (entry {
                  machine = "orbi";
                  items = [
                    {
                      label = "Jellyfin";
                      href = "http://flix.ingolf-wagner.de/";
                      image = "https://media.giphy.com/media/fyLi0OuWysotq/giphy.gif";
                    }
                    {
                      label = "PhotoPrism";
                      href = "http://10.100.0.1:2342/";
                      image = "https://media.giphy.com/media/fyLi0OuWysotq/giphy.gif";
                    }
                  ];
                })
                (entry {
                  machine = "chungus";
                  items = [
                    {
                      label = "Grafana";
                      href = "http://grafana.chungus.private/explore";
                      image = "https://raw.githubusercontent.com/cncf/landscape/master/hosted_logos/grafana-loki.svg";
                    }
                    {
                      label = "Jellyfin";
                      href = "http://chungus:8096/";
                      image = "https://media.giphy.com/media/fyLi0OuWysotq/giphy.gif";
                    }
                    {
                      label = "HomeAssistant";
                      href = "http://chungus.private:8123/";
                      image = "https://media.giphy.com/media/fyLi0OuWysotq/giphy.gif";
                    }
                    {
                      label = "Zigbee2Mqtt";
                      href = "http://chungus.private:9666/";
                      image = "https://media.giphy.com/media/fyLi0OuWysotq/giphy.gif";
                    }
                    {
                      label = "Kitchen";
                      href = "http://192.168.178.101/";
                      image = "https://i.giphy.com/3o7TKsrMIW65QT7VWo.webp";
                    }
                    {
                      label = "Living Room";
                      href = "http://192.168.178.102/";
                      image = "https://i.giphy.com/3o7TKsrMIW65QT7VWo.webp";
                    }
                  ];
                })
                (entry { machine = "cherry"; })
                (entry { machine = "cream"; })
                (entry { machine = "mobi"; })
                (entry { machine = "bobi"; })
                {
                  title = "Various Links";
                  items = [
                    {
                      label = "Terrapen";
                      href = "http://192.168.178.31/";
                      image = "https://i.giphy.com/W08brEWFt7EpA5y2jI.webp";
                    }
                    {
                      label = "Hetzner Cloud";
                      href = "https://console.hetzner.cloud/projects";
                      image =
                        "https://media.giphy.com/media/NECZ8crkbXR0k/giphy.gif";
                    }
                    {
                      label = "Cups";
                      href = "http://localhost:631/";
                      image =
                        "https://media.giphy.com/media/7hU7x4GPurk2c/giphy.gif";
                    }
                  ];
                }
                {
                  text = "NixOS Links";
                  items = [
                    {
                      label = "NixOS Manual";
                      href = "https://nixos.org/nixos/manual/";
                      image =
                        "https://media.giphy.com/media/dsdVyKkSqccEzoPufX/giphy.gif";
                    }
                    {
                      label = "Nixpkgs Manual";
                      href = "https://nixos.org/nixpkgs/manual/";
                      image =
                        "https://media.giphy.com/media/dsdVyKkSqccEzoPufX/giphy.gif";
                    }
                    {
                      label = "NixOS Reference";
                      href =
                        "https://storage.googleapis.com/files.tazj.in/nixdoc/manual.html#sec-functions-library";
                      image =
                        "https://media.giphy.com/media/LkjlH3rVETgsg/giphy.gif";
                    }
                    {
                      label = "Nix Packages";
                      href = "https://nixos.org/nixos/packages.html";
                      image =
                        "https://media.giphy.com/media/l2YWlohvjPnsvkdEc/giphy.gif";
                    }
                    {
                      label = "NixOS Language specific helpers";
                      href =
                        "https://nixos.wiki/wiki/Language-specific_package_helpers";
                      image =
                        "https://media.giphy.com/media/LkjlH3rVETgsg/giphy.gif";
                    }
                    {
                      label = "NixOS Weekly";
                      href = "https://weekly.nixos.org/";
                      image =
                        "https://media.giphy.com/media/lXiRLb0xFzmreM8k8/giphy.gif";
                    }
                    {
                      label = "NixOS Security";
                      href = "https://broken.sh/";
                      image =
                        "https://media.giphy.com/media/BqILAHjH1Ttm0/giphy.gif";
                    }
                    {
                      label = "NixOS RFCs";
                      href = "https://github.com/NixOS/rfcs/";
                      image =
                        "https://media.giphy.com/media/Uq9bGjGKg08M0/giphy.gif";
                    }
                  ];
                }
                { urlEncode = true; }
              ];

          };
        };
      };
    })
  ];
}