{ config, lib, ... }:

  with lib;
  let
    cfg = config.modules.services.obsidian-livesync;

    port = 5984;
  in
  {
    options.modules.services.obsidian-livesync = {
      enable = mkEnableOption "obsidian-livesync server";

      domain = mkOption { type = types.str; };
      realHost = mkOption { type = types.str; default = "obsidian-livesync.${cfg.domain}"; };
    };

    config = mkIf cfg.enable {
      services.couchdb = {
        enable = true;
        configFile = "/var/lib/couchdb/config";

        extraConfig = ''
          [couchdb]
          single_node=true
          max_document_size = 50000000

          [admins]
          admin = please-change-me

          [chttpd]
          require_valid_user = true
          max_http_request_size = 4294967296
          enable_cors = true

          [chttpd_auth]
          require_valid_user = true
          authentication_redirect = /_utils/session.html

          [httpd]
          WWW-Authenticate = Basic realm="couchdb"
          bind_address = 127.0.0.1
          port = ${toString port}

          [cors]
          origins = app://obsidian.md, capacitor://localhost, http://localhost
          credentials = true
          headers = accept, authorization, content-type, origin, referer
          methods = GET,PUT,POST,HEAD,DELETE
          max_age = 3600
      '';
    };

    modules.persistence.directories = [
      "/var/lib/couchdb"
    ];

    services.nginx.virtualHosts.${cfg.realHost} = {
      useACMEHost = cfg.domain;
      forceSSL = true;
      locations."/".proxyPass = "http://localhost:${toString port}";
    };
  };
}