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

(import ../make-test-python.nix ({ pkgs, ...}: let
  adminpass = "hunter2";
  adminuser = "root";
in {
  name = "nextcloud-with-mysql-and-memcached";
  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";
        https = true;
        package = pkgs.${"nextcloud" + (toString nextcloudVersion)};
        caching = {
          apcu = true;
          redis = false;
          memcached = true;
        };
        config = {
          dbtype = "mysql";
          dbname = "nextcloud";
          dbuser = "nextcloud";
          dbhost = "127.0.0.1";
          dbport = 3306;
          dbpassFile = "${pkgs.writeText "dbpass" "hunter2" }";
          # Don't inherit adminuser since "root" is supposed to be the default
          adminpassFile = "${pkgs.writeText "adminpass" adminpass}"; # Don't try this at home!
        };
      };

      services.mysql = {
        enable = true;
        settings.mysqld = {
          bind-address = "127.0.0.1";

          # FIXME(@Ma27) Nextcloud isn't compatible with mariadb 10.6,
          # this is a workaround.
          # See https://help.nextcloud.com/t/update-to-next-cloud-21-0-2-has-get-an-error/117028/22
          innodb_read_only_compressed = 0;
        };
        package = pkgs.mariadb;

        initialScript = pkgs.writeText "mysql-init" ''
          CREATE USER 'nextcloud'@'localhost' IDENTIFIED BY 'hunter2';
          CREATE DATABASE IF NOT EXISTS nextcloud;
          GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER,
            CREATE TEMPORARY TABLES ON nextcloud.* TO 'nextcloud'@'localhost'
            IDENTIFIED BY 'hunter2';
          FLUSH privileges;
        '';
      };

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

      services.memcached.enable = true;
    };
  };

  testScript = let
    configureMemcached = pkgs.writeScript "configure-memcached" ''
      #!${pkgs.runtimeShell}
      nextcloud-occ config:system:set memcached_servers 0 0 --value 127.0.0.1 --type string
      nextcloud-occ config:system:set memcached_servers 0 1 --value 11211 --type integer
      nextcloud-occ config:system:set memcache.local --value '\OC\Memcache\APCu' --type string
      nextcloud-occ config:system:set memcache.distributed --value '\OC\Memcache\Memcached' --type string
    '';
    withRcloneEnv = pkgs.writeScript "with-rclone-env" ''
      #!${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("${configureMemcached}")
    nextcloud.succeed("curl -sSf http://nextcloud/login")
    nextcloud.succeed(
        "${withRcloneEnv} ${copySharedFile}"
    )
    client.wait_for_unit("multi-user.target")
    client.succeed(
        "${withRcloneEnv} ${diffSharedFile}"
    )
  '';
})) args