nixos/services/sonarr.nix

# sonarr.nix
{ config, pkgs, lib, ... }:
{
  config = lib.mkIf (config.networking.hostName == "FredOS-Mediaserver") {
    
    # Sonarr
    services.sonarr = {
      enable = true;
      dataDir = "/var/lib/sonarr";
      user = "sonarr";
      group = "media";
    };

    # Disable built-in auth — Authelia handles it at the reverse proxy
    systemd.services.sonarr.preStart = lib.mkAfter ''
      config_file="/var/lib/sonarr/config.xml"
      if [ -f "$config_file" ]; then
        sed -i 's|<AuthenticationMethod>.*</AuthenticationMethod>|<AuthenticationMethod>External</AuthenticationMethod>|' "$config_file"
        if grep -q '<AuthenticationRequired>' "$config_file"; then
          sed -i 's|<AuthenticationRequired>.*</AuthenticationRequired>|<AuthenticationRequired>DisabledForLocalAddresses</AuthenticationRequired>|' "$config_file"
        else
          sed -i 's|</Config>|  <AuthenticationRequired>DisabledForLocalAddresses</AuthenticationRequired>\n</Config>|' "$config_file"
        fi
      fi
    '';

    # Ensure files created by sonarr are group-writable
    systemd.services.sonarr.serviceConfig.UMask = lib.mkForce "0002";
    
    # Media group is already created in qbittorrent-nox.nix
    # Just make sure sonarr is in it
    users.users.sonarr = {
      isSystemUser = true;
      group = "media";
      extraGroups = [ "media" ];
    };

    systemd.tmpfiles.rules = [
      # Shows - sonarr organises, bazarr writes subtitles
      "d /mnt/storage/torrents/shows 2775 sonarr media -"
      "Z /mnt/storage/torrents/shows 2775 sonarr media -"
    ];
  };
}