args@{ pkgs, nextcloudVersion ? 22, ... }:

(import ../make-test-python.nix ({ pkgs, ...}: let
  adminpass = "hunter2";
  adminuser = "custom-admin-username";
in {
  name = "nextcloud-with-postgresql-and-redis";
  meta = with pkgs.lib.maintainers; {
    maintainers = [ eqyiel ];
  };

  nodes = {
    # The only thing the client needs to do is download a file.
    client = { ... }: {};

    nextcloud = { config, pkgs, ... }: {
      networking.firewall.allowedTCPPorts = [ 80 ];

      services.nextcloud = {
        enable = true;
        hostName = "nextcloud";
        package = pkgs.${"nextcloud" + (toString nextcloudVersion)};
        caching = {
          apcu = false;
          redis = true;
          memcached = false;
        };
        config = {
          dbtype = "pgsql";
          dbname = "nextcloud";
          dbuser = "nextcloud";
          dbhost = "/run/postgresql";
          inherit adminuser;
          adminpassFile = toString (pkgs.writeText "admin-pass-file" ''
            ${adminpass}
          '');
        };
      };

      services.redis.servers."nextcloud".enable = true;
      services.redis.servers."nextcloud".port = 6379;

      systemd.services.nextcloud-setup= {
        requires = ["postgresql.service"];
        after = [
          "postgresql.service"
        ];
      };

      services.postgresql = {
        enable = true;
        ensureDatabases = [ "nextcloud" ];
        ensureUsers = [
          { name = "nextcloud";
            ensurePermissions."DATABASE nextcloud" = "ALL PRIVILEGES";
          }
        ];
      };
    };
  };

  testScript = let
    configureRedis = pkgs.writeScript "configure-redis" ''
      #!${pkgs.runtimeShell}
      nextcloud-occ config:system:set redis 'host' --value 'localhost' --type string
      nextcloud-occ config:system:set redis 'port' --value 6379 --type integer
      nextcloud-occ config:system:set memcache.local --value '\OC\Memcache\Redis' --type string
      nextcloud-occ config:system:set memcache.locking --value '\OC\Memcache\Redis' --type string
    '';
    withRcloneEnv = pkgs.writeScript "with-rclone-env" ''
      #!${pkgs.runtimeShell}
      export RCLONE_CONFIG_NEXTCLOUD_TYPE=webdav
      export RCLONE_CONFIG_NEXTCLOUD_URL="http://nextcloud/remote.php/webdav/"
      export RCLONE_CONFIG_NEXTCLOUD_VENDOR="nextcloud"
      export RCLONE_CONFIG_NEXTCLOUD_USER="${adminuser}"
      export RCLONE_CONFIG_NEXTCLOUD_PASS="$(${pkgs.rclone}/bin/rclone obscure ${adminpass})"
      "''${@}"
    '';
    copySharedFile = pkgs.writeScript "copy-shared-file" ''
      #!${pkgs.runtimeShell}
      echo 'hi' | ${pkgs.rclone}/bin/rclone rcat nextcloud:test-shared-file
    '';

    diffSharedFile = pkgs.writeScript "diff-shared-file" ''
      #!${pkgs.runtimeShell}
      diff <(echo 'hi') <(${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file)
    '';
  in ''
    start_all()
    nextcloud.wait_for_unit("multi-user.target")
    nextcloud.succeed("${configureRedis}")
    nextcloud.succeed("curl -sSf http://nextcloud/login")
    nextcloud.succeed(
        "${withRcloneEnv} ${copySharedFile}"
    )
    client.wait_for_unit("multi-user.target")
    client.succeed(
        "${withRcloneEnv} ${diffSharedFile}"
    )
  '';
})) args