{
  pkgs,
  lib,
  config,
  ...
}: let
  inherit (lib.lists) forEach;
  inherit (lib.modules) mkMerge;

  users = ["root" "dovecot2" "gitlab_artifacts_sync" "mpd" "nginx"];
  groups = users;
in {
  services.secrets = {
    enable = true;

    packages = with pkgs; [
      # for music & mail passwd files
      apacheHttpd
    ];

    uidMap = let
      getUID = name: config.users.users.${name}.uid;
    in
      mkMerge (forEach users (user: {
        "${user}" = getUID user;
      }));

    gidMap = let
      getGID = name: config.users.groups.${name}.gid;
    in
      mkMerge (forEach groups (group: {
        "${group}" = getGID group;
      }));

    secrets = {
      # Used directly by server
      # for fetching gitlab static sites
      gitlab_env = {
        user = "gitlab_artifacts_sync";
        group = "gitlab_artifacts_sync";
        fetchScript = ''
          token=$(simple_get "/api-keys/gitlab/gitlab_pages_serve" .token)
          echo "GITLAB_TOKEN=$token" > "$secretFile"
        '';
      };
      # for wireguard
      wg_privkey = {
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .private > "$secretFile"
        '';
      };
      wg_preshared_vault = {
        path = "/secrets/wg_preshared_vault";
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .preshared_keys.vault > "$secretFile"
        '';
      };
      wg_preshared_iphone8 = {
        path = "/secrets/wg_preshared_iphone8";
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .preshared_keys.iphone8 > "$secretFile"
        '';
      };
      wg_preshared_lappy-t495 = {
        path = "/secrets/wg_preshared_lappy-t495";
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" ".preshared_keys.lappy_t495" > "$secretFile"
        '';
      };

      # Container: music
      mpd_control_password = {
        user = "mpd";
        group = "mpd";
        fetchScript = ''
          simple_get "/api-keys/mpd" .password > "$secretFile"
        '';
      };
      music_stream_passwd = {
        user = "nginx";
        group = "nginx";
        fetchScript = ''
          username=$(simple_get "/api-keys/music-stream" .username)
          password=$(simple_get "/api-keys/music-stream" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };
      slskd_env = {
        fetchScript = ''
          soulseek_password=$(simple_get "/passwords/soulseek" .password)
          slskd_password=$(simple_get "/passwords/slskd" .password)
          echo > "$secretFile"
          echo "SLSKD_SLSK_PASSWORD=$soulseek_password" >> "$secretFile"
          echo "SLSKD_PASSWORD=$slskd_password" >> "$secretFile"
        '';
      };

      # Container: mail
      mail_restic_password = {
        fetchScript = ''
          simple_get "/private-public-keys/restic/Mail" .password > "$secretFile"
        '';
      };
      mail_restic_env = {
        fetchScript = ''
          RESTIC_USERNAME=$(simple_get "/api-keys/storage/restic/Mail" .username)
          RESTIC_PASSWORD=$(simple_get "/api-keys/storage/restic/Mail" .password)
          echo "RESTIC_REPOSITORY=rest:https://$RESTIC_USERNAME:$RESTIC_PASSWORD@storage-restic.owo.monster/Mail" > "$secretFile"
        '';
      };
      private_mail_aliases = {
        user = "root";
        group = "root";
        fetchScript = ''
          kv_get "/infra/private-mail-aliases" | jq .data.data | jq -r 'to_entries|map("\(.key) \(.value.to)")[]' > "$secretFile"
        '';
      };
      chaos_mail_passwd = {
        user = "dovecot2";
        group = "dovecot2";
        fetchScript = ''
          password=$(simple_get "/passwords/mail" .password)
          htpasswd -nbB "" "$password" 2>/dev/null | cut -d: -f2 > "$secretFile"
        '';
      };
      system_mail_passwd = {
        user = "dovecot2";
        group = "dovecot2";
        fetchScript = ''
          password=$(simple_get "/api-keys/chaos_mail/system" .password)
          htpasswd -nbB "" "$password" 2>/dev/null | cut -d: -f2 > "$secretFile"
        '';
      };
      gotosocial_mail_passwd = {
        user = "dovecot2";
        group = "dovecot2";
        fetchScript = ''
          password=$(simple_get "/api-keys/chaos_mail/gotosocial" .password)
          htpasswd -nbB "" "$password" 2>/dev/null | cut -d: -f2 > "$secretFile"
        '';
      };

      # Container: social
      social_restic_password = {
        fetchScript = ''
          simple_get "/private-public-keys/restic/Social" .password > "$secretFile"
        '';
      };
      social_restic_env = {
        fetchScript = ''
          RESTIC_USERNAME=$(simple_get "/api-keys/storage/restic/Social" .username)
          RESTIC_PASSWORD=$(simple_get "/api-keys/storage/restic/Social" .password)
          echo "RESTIC_REPOSITORY=rest:https://$RESTIC_USERNAME:$RESTIC_PASSWORD@storage-restic.owo.monster/Social" > "$secretFile"
        '';
      };
      social_env_secrets = {
        user = "root";
        group = "root";
        fetchScript = ''
          smtp_password=$(simple_get "/api-keys/chaos_mail/gotosocial" .password)
          echo "GTS_SMTP_PASSWORD=$smtp_password" > "$secretFile"
        '';
      };

      # Container: quassel
      quassel_restic_password = {
        fetchScript = ''
          simple_get "/private-public-keys/restic/Quassel" .password > "$secretFile"
        '';
      };
      quassel_restic_env = {
        fetchScript = ''
          RESTIC_USERNAME=$(simple_get "/api-keys/storage/restic/Quassel" .username)
          RESTIC_PASSWORD=$(simple_get "/api-keys/storage/restic/Quassel" .password)
          echo "RESTIC_REPOSITORY=rest:https://$RESTIC_USERNAME:$RESTIC_PASSWORD@storage-restic.owo.monster/Quassel" > "$secretFile"
        '';
      };

      # Container: piped
      piped_restic_password = {
        fetchScript = ''
          simple_get "/private-public-keys/restic/Piped" .password > "$secretFile"
        '';
      };
      piped_restic_env = {
        fetchScript = ''
          RESTIC_USERNAME=$(simple_get "/api-keys/storage/restic/Piped" .username)
          RESTIC_PASSWORD=$(simple_get "/api-keys/storage/restic/Piped" .password)
          echo "RESTIC_REPOSITORY=rest:https://$RESTIC_USERNAME:$RESTIC_PASSWORD@storage-restic.owo.monster/Piped" > "$secretFile"
        '';
      };
    };
  };
}