# NixOps configuration for the hosts running Nextcloud

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

{

  imports =
    [
      ../secrets/nextcloud.nix
    ];

  services.nextcloud = {
    enable = true;                                   # Enable Nextcloud
    hostName = "cloud.mcwhirter.io";                 # FQDN for the Nextcloud instance
    https = true;                                    # Use HTTPS for links
    config = {                                       # Configure Nextcloud
      dbtype = "pgsql";                              # Set the database type
      dbname = "nextcloud";                          # Set the database name
      dbhost = "/run/postgresql";                    # Set the database connection
      dbuser = "nextcloud";                          # Set the database user
      dbpassFile = "/run/keys/nextcloud-dbpass";     # Where to find the database password
      adminpassFile = "/run/keys/nextcloud-admin";   # Where to find the admin password
      adminuser = "root";                            # Set the admin user name
      overwriteProtocol = "https";                   # Force Nextcloud to always use HTTPS
    };
    autoUpdateApps = {
      enable = true;          # Run regular auto update of all apps installed
      startAt = "01:00:00";   # When to run the update
    };
    package = pkgs.nextcloud20;
  };

  services.postgresql = {
    enable = true;                       # Ensure postgresql is enabled
    ensureDatabases = [ "nextcloud" ];   # Ensure the database persists
    ensureUsers = [
      {
        name = "nextcloud";              # Ensure the database user persists
        ensurePermissions = {            # Ensure the database permissions persist
          "DATABASE nextcloud" = "ALL PRIVILEGES";
          "ALL TABLES IN SCHEMA public" = "ALL PRIVILEGES";
        };
      }
    ];
  };

  services.nginx = {
    enable = true;                             # Enable Nginx
    recommendedGzipSettings = true;
    recommendedOptimisation = true;
    recommendedProxySettings = true;
    recommendedTlsSettings = true;
    virtualHosts."cloud.mcwhirter.io" = {      # Nextcloud hostname
      enableACME = true;                       # Use ACME certs
      forceSSL = true;                         # Force SSL
    };
    virtualHosts."owncloud.mcwhirter.io" = {   # Hostname to be redirected
      globalRedirect = "cloud.mcwhirter.io";   # Redirect permanently to the host
    };
  };

  systemd.services."nextcloud-setup" = {   # Ensure PostgreSQL is running first
    requires = ["postgresql.service"];
    after = ["postgresql.service"];
  };

  security.acme = {
    acceptTerms = true;
    certs = {
      "cloud.mcwhirter.io" = {
        email = "craige@mcwhirter.io";
      };
    };
  };

  users.groups.keys.members = [ "nextcloud" ];        # Required due to NixOps issue #1204
  users.groups.nextcloud.members = [ "nextcloud" ];   # Added for keys permissions

  networking.firewall.allowedTCPPorts = [ 80 443 ];   # Open the required firewall ports

}