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

with lib;

let
  # Version tagging
  nextcloudVersion = "33.0.0";
  redisVersion = "8.6-alpine";
  databaseVersion = "11.8";
  onlyofficeVersion = "9.2";
  whiteboardVersion = "v1.5.6";
  # Helper
  helper = import ../service-helper.nix { inherit config pkgs lib; };
  cfg = config.numbus-server.services.nextcloud;
  # Container config
  name = "nextcloud";
in

helper.mkPodmanService {
  inherit name;
  description = "Nextcloud, your own online office suite";
  defaultPort = "1100";
  middlewares = [
    "nextcloudSecureHeaders"
  ];
  secrets = [
    "nextcloud/db_name"
    "nextcloud/db_username"
    "nextcloud/db_password"
    "nextcloud/redis_password"
    "nextcloud/onlyoffice_secret"
    "nextcloud/whiteboard_secret"
  ];
  dirPermissions = [
    "100032:100 ${cfg.dataDir}"
    "100032:100 ${cfg.configDir}"
    "100032:100 ${cfg.configDir}/web"
    "100999:100 ${cfg.configDir}/redis"
    "100999:100 ${cfg.configDir}/database"
    "1000:100 ${cfg.configDir}/onlyoffice"
    "1000:100 ${cfg.configDir}/onlyoffice/log"
    "1000:100 ${cfg.configDir}/onlyoffice/cache"
    "1000:100 ${cfg.configDir}/onlyoffice/data"
    "1000:100 ${cfg.configDir}/onlyoffice/database"
  ];

# Compose file good
  composeText = ''
    services:
      nextcloud-server:
        image: docker.io/library/nextcloud:${nextcloudVersion}
        container_name: nextcloud-server
        hostname: nextcloud-server
        networks:
          nextcloud:
            ipv4_address: 10.89.160.253
        ports:
          - "${cfg.port}:80/tcp"
        volumes:
          - ${cfg.configDir}/web:/var/www/html
          - ${cfg.dataDir}:/mnt/ncdata
        environment:
          MYSQL_HOST: nextcloud-database:3306
          MYSQL_DATABASE: ${config.sops.placeholder."nextcloud/db_name"}
          MYSQL_USER: ${config.sops.placeholder."nextcloud/db_username"}
          MYSQL_PASSWORD: ${config.sops.placeholder."nextcloud/db_password"}
          REDIS_HOST_PASSWORD: ${config.sops.placeholder."nextcloud/redis_password"}
          REDIS_HOST: nextcloud-redis
          NEXTCLOUD_TRUSTED_DOMAINS: ${cfg.subdomain}.${config.numbus-server.services.domain}
          NEXTCLOUD_DATA_DIR: /mnt/ncdata
          SMTP_SECURE: tls
          SMTP_HOST: ${config.numbus-server.mail.smtpServer}
          SMTP_PORT: ${toString config.numbus-server.mail.smtpPort}
          SMTP_NAME: ${config.numbus-server.mail.smtpUsername}
          SMTP_PASSWORD:  ${config.sops.placeholder.smtpPassword}
          MAIL_FROM_ADDRESS: no-reply
          MAIL_DOMAIN: ${config.numbus-server.services.domain}
          APACHE_DISABLE_REWRITE_IP: 1
          OVERWRITEPROTOCOL: https
          TRUSTED_PROXIES: 10.89.160.1
          NC_default_phone_region: "${config.numbus-server.language}"
          NC_default_language: "${config.numbus-server.language}"
          NC_default_locale: "${config.numbus-server.locale}"
          NC_default_timezone: "${config.time.timeZone}"
          NC_maintenance_window_start: "1"
        depends_on:
          - nextcloud-database
        security_opt:
          - no-new-privileges:true
        cap_drop:
          - NET_RAW
        restart: unless-stopped

      nextcloud-redis:
        image: docker.io/library/redis:${redisVersion}
        container_name: nextcloud-redis
        hostname: nextcloud-redis
        user: '1000:1000'
        networks:
          nextcloud:
            ipv4_address: 10.89.160.252
        volumes:
          - ${cfg.configDir}/redis:/data
        command: redis-server --requirepass ${config.sops.placeholder."nextcloud/redis_password"} --save 60 1 --loglevel warning
        security_opt:
          - no-new-privileges:true
        cap_drop:
          - NET_RAW
        restart: unless-stopped

      nextcloud-database:
        image: docker.io/library/mariadb:${databaseVersion}
        container_name: nextcloud-database
        hostname: nextcloud-database
        user: '1000:1000'
        networks:
          nextcloud:
            ipv4_address: 10.89.160.251
        volumes:
          - ${cfg.configDir}/database:/var/lib/mysql
        environment:
          MARIADB_DATABASE: ${config.sops.placeholder."nextcloud/db_name"}
          MARIADB_USER: ${config.sops.placeholder."nextcloud/db_username"}
          MARIADB_PASSWORD: ${config.sops.placeholder."nextcloud/db_password"}
          MARIADB_RANDOM_ROOT_PASSWORD: true
        security_opt:
          - no-new-privileges:true
        cap_drop:
          - NET_RAW
        command:
          - "--transaction-isolation=READ-COMMITTED"
          - "--binlog-format=ROW"
        restart: unless-stopped

      nextcloud-onlyoffice:
        image: docker.io/onlyoffice/documentserver:${onlyofficeVersion}
        container_name: nextcloud-onlyoffice
        hostname: nextcloud-onlyoffice
        networks:
          nextcloud:
            ipv4_address: 10.89.160.250
        ports:
          - "9980:80/tcp"
        volumes:
          - ${cfg.configDir}/onlyoffice/log:/var/log/onlyoffice
          - ${cfg.configDir}/onlyoffice/cache:/var/lib/onlyoffice
          - ${cfg.configDir}/onlyoffice/data:/var/www/onlyoffice/Data
          - ${cfg.configDir}/onlyoffice/database:/var/lib/postgresql
        environment:
          - JWT_SECRET=${config.sops.placeholder."nextcloud/onlyoffice_secret"}
          - REDIS_SERVER_PASS=${config.sops.placeholder."nextcloud/redis_password"}
          - REDIS_SERVER_HOST=nextcloud-redis
          - REDIS_SERVER_PORT=6379
          - ADMINPANEL_ENABLED=false
          - EXAMPLE_ENABLED=false
          - METRICS_ENABLED=false
        cap_drop:
          - NET_RAW
        restart: unless-stopped

      nextcloud-whiteboard:
        image: ghcr.io/nextcloud-releases/whiteboard:${whiteboardVersion}
        container_name: nextcloud-whiteboard
        hostname: nextcloud-whiteboard
        user: '1000:1000'
        ports:
          - "3002:3002/tcp"
        environment:
          NEXTCLOUD_URL: https://${cfg.subdomain}.${config.numbus-server.services.domain}
          JWT_SECRET_KEY: ${config.sops.placeholder."nextcloud/whiteboard_secret"}
        security_opt:
          - no-new-privileges:true
        cap_drop:
          - NET_RAW
        restart: unless-stopped

    networks:
      nextcloud:
        driver: bridge
        name: nextcloud
        ipam:
          config:
            - subnet: "10.89.160.0/24"
              gateway: "10.89.160.254"
  '';

  extraOptions = {
    onlyoffice = {
      subdomain = mkOption {
        type = types.str;
        default = "onlyoffice";
        example = "onlyoffice";
        description = "The subdomain that onlyoffice for nextcloud will use";
      };
    };
    whiteboard = {
      subdomain = mkOption {
        type = types.str;
        default = "whiteboard";
        example = "whiteboard";
        description = "The subdomain that whiteboard for nextcloud will use";
      };
    };
  };

  extraConfig = {
    sops.templates."traefik/rules/nextcloud-onlyoffice" = {
      gid = "100";
      uid = "100999";
      mode = "0400";
      content = ''
        http:
          routers:
            nextcloud-onlyoffice:
              rule: "Host(`${cfg.onlyoffice.subdomain}.${config.numbus-server.services.domain}`)"
              entrypoints:
                - "websecure"
              service: nextcloud-onlyoffice
              tls:
                certresolver: "cloudflare"
                options: "secureTLS"
          services:
            nextcloud-onlyoffice:
              loadBalancer:
                servers:
                  - url: "http://host.containers.internal:9980"
      '';
      path = "/etc/traefik/rules/nextcloud-onlyoffice.yaml";
    };

    sops.templates."traefik/rules/nextcloud-whiteboard" = {
      gid = "100";
      uid = "100999";
      mode = "0400";
      content = ''
        http:
          routers:
            nextcloud-whiteboard:
              rule: "Host(`${cfg.whiteboard.subdomain}.${config.numbus-server.services.domain}`)"
              entrypoints:
                - "websecure"
              service: nextcloud-whiteboard
              middlewares:
                - "secureHeaders"
              tls:
                certresolver: "cloudflare"
                options: "secureTLS"
          services:
            nextcloud-whiteboard:
              loadBalancer:
                servers:
                  - url: "http://host.containers.internal:3002"
      '';
      path = "/etc/traefik/rules/nextcloud-whiteboard.yaml";
    };

    sops.templates."traefik/rules/nextcloud-secureHeaders" = {
      gid = "100";
      uid = "100999";
      mode = "0400";
      content = ''
        http:
          middlewares:
            nextcloudSecureHeaders:
              headers:
                FrameDeny: false
                CustomFrameOptionsValue: "SAMEORIGIN"
                AddVaryHeader: true
                BrowserXssFilter: true
                ContentTypeNosniff: true
                ForceSTSHeader: true
                STSSeconds: 315360000
                STSIncludeSubdomains: true
                STSPreload: true
                AccessControlAllowMethods: "GET,OPTIONS,PUT"
                AccessControlAllowOriginList:
                  - origin-list-or-null
                AccessControlMaxAge: 100
                ReferrerPolicy: same-origin
                PermissionsPolicy: "vibrate=()"
                ContentSecurityPolicy: >-
                  default-src https://${cfg.onlyoffice.subdomain}.${config.numbus-server.services.domain} 'self';
                  script-src https://${cfg.onlyoffice.subdomain}.${config.numbus-server.services.domain} 'self' 'unsafe-inline';
                  style-src 'self' 'unsafe-inline';
                  connect-src 'self';
                  img-src 'self' data:;
                  font-src 'self' data:;
                  frame-src https://${cfg.onlyoffice.subdomain}.${config.numbus-server.services.domain} 'self';
                  frame-ancestors https://${cfg.onlyoffice.subdomain}.${config.numbus-server.services.domain} 'self';
                  object-src 'none';
                  base-uri 'self';
      '';
      path = "/etc/traefik/rules/nextcloud-secureHeaders";
    };

    systemd.services."${name}-quirk" = {
      description = "Podman container quirk : ${name}";
      wantedBy = [ "multi-user.target" ];
      after = [ "${name}.service" "${name}-secrets.service" ];
      onFailure = [ "service-failure-notify@%n.service" ];
      startLimitBurst = 5;
      startLimitIntervalSec = 600;
      path = [ pkgs.coreutils pkgs.sudo pkgs.podman pkgs.systemd pkgs.gnugrep ];
      serviceConfig = {
        Type = "oneshot";
        RemainAfterExit = true;
      };
      script = ''
        OCC="sudo -u numbus-admin podman exec --user www-data nextcloud-server php occ"

        [[ ! -e /var/lib/numbus-server/${name}/.env ]] && systemctl start ${name}-secrets.service
        until [[ -e /var/lib/numbus-server/${name}/.env ]]; do
          echo "Waiting for secrets generation..."
          sleep 5
        done
        source /var/lib/numbus-server/${name}/.env

        until $OCC status | grep -iq "installed: true" >/dev/null 2>&1; do
          echo "Waiting for Nextcloud to be up and running..."
          sleep 60
        done

        $OCC db:add-missing-indices
        $OCC maintenance:repair --include-expensive

        INSTALL_APPS_LIST=( "calendar" "contacts" "mail" "notes" "onlyoffice" "cookbook" "whiteboard" )
        DISABLE_APPS_LIST=( "activity" "federation" "webhook_listeners" "photos" "recommendations" "sharebymail" "teams" "support" "richdocumentscode" )

        for app in ''${INSTALL_APPS_LIST[@]}; do
          if ! $OCC --no-warnings app:list | grep -iq "$app:"; then
            $OCC --no-warnings app:install "$app"
          fi
          if $OCC --no-warnings app:list --disabled | grep -iq "$app:"; then
            $OCC --no-warnings app:enable "$app"
          fi
        done
        for app in ''${DISABLE_APPS_LIST[@]}; do
          if $OCC --no-warnings app:list --enabled | grep -iq "$app:"; then
            $OCC --no-warnings app:disable "$app"
          fi
        done
        $OCC --no-warnings config:system:set onlyoffice DocumentServerInternalUrl --value="https://${cfg.onlyoffice.subdomain}.${config.numbus-server.services.domain}/"
        $OCC --no-warnings config:system:set onlyoffice DocumentServerUrl --value="https://${cfg.onlyoffice.subdomain}.${config.numbus-server.services.domain}/"
        $OCC --no-warnings config:system:set onlyoffice jwt_secret --value="$ONLYOFFICE_PASSWORD"
        $OCC --no-warnings config:app:set whiteboard collabBackendUrl --value="https://${cfg.whiteboard.subdomain}.${config.numbus-server.services.domain}"
        $OCC --no-warnings config:app:set whiteboard jwt_secret_key --value="$WHITEBOARD_PASSWORD"

        if [[ ! -f /var/lib/numbus-server/${name}/croned.true ]]; then
          $OCC background:cron
          sudo -u numbus-admin podman exec --user www-data nextcloud-server php -f /var/www/html/cron.php
          touch /var/lib/numbus-server/${name}/croned.true
        fi

        if [[ ! -f /var/lib/numbus-server/${name}/scanned.true ]]; then
          $OCC files:scan --all
          $OCC files:repair-tree
          touch /var/lib/numbus-server/${name}/scanned.true
        fi
      '';
    };

    systemd.services."${name}-cron" = {
      description = "Podman container crontab : ${name}";
      after = [ "${name}.service" "${name}-quirk.service" ];
      onFailure = [ "service-failure-notify@%n.service" ];
      path = [ pkgs.sudo pkgs.podman ];
      serviceConfig = {
        Type = "oneshot";
        ExecCondition = ''${pkgs.sudo}/bin/sudo -u numbus-admin podman exec --user www-data nextcloud-server php occ status'';
        ExecStart = "${pkgs.sudo}/bin/sudo -u numbus-admin podman exec --user www-data nextcloud-server php -f /var/www/html/cron.php";
      };
    };

    systemd.timers."${name}-cron" = {
      description = "Timer for Nextcloud cron";
      wantedBy = [ "timers.target" ];
      timerConfig = {
        OnBootSec = "5m";
        OnUnitActiveSec = "5m";
        Unit = "${name}-cron.service";
      };
    };
  };
}