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

{ virtualisation = {
  docker = let
    daemonConfig = {
      ipv6 = true;
      fixed-cidr-v6 = "fd69:2074:9fcd:b0fd::/64";
      features = {
        buildkit = true;
      };
    };
    in {
      enable = true;
      enableOnBoot = false;
      liveRestore = false;

      extraOptions = "--config-file=${pkgs.writeText "daemon.json" (builtins.toJSON daemonConfig)}";

      autoPrune = {
        enable = true;
        dates = "Mon, 13:00";
      };
    };
  };

  services.mongodb = {
    enable = true;
    replSetName = "rs0";
    bind_ip = "127.0.0.1";
    dbpath = "/tmp/mongodb";
  };
  systemd.services.mongodb.wantedBy = lib.mkForce  [];
  systemd.timers.mongodb = {
    description = "Delayed startup of MongoDB";
    wantedBy = [ "timers.target" ];
    timerConfig = {
      OnActiveSec = "1 min";
    };
  };
  systemd.services.mongodb-init = {
    description = "Init mongodb replicaset";
    requires = [ "mongodb.service" ];
    script = "${pkgs.mongodb}/bin/mongo --eval 'rs.initiate()'";
  };
  systemd.timers.mongodb-init = {
    wantedBy = [ "timers.target" ];
    timerConfig = {
      OnActiveSec = "2 min";
    };
  };

  services.postgresql = {
    enable = true;
    ensureDatabases = ["satoshipay"];
    authentication = ''
      # TYPE  DATABASE        USER            ADDRESS                 METHOD
      local   all             postgres                                trust
      local   all             all                                     md5
    '';
    ensureUsers = [
      {
        name = "alan";
        ensurePermissions = {
          "DATABASE satoshipay" = "ALL PRIVILEGES";
        };
      }
      {
        name = "satoshipay";
        ensurePermissions = {
          "DATABASE satoshipay" = "ALL PRIVILEGES";
        };
      }
    ];
  };

  nix.gc.dates = "12:30";
  system.autoUpgrade.dates = "13:05";

  networking.domain = "satoshipay.io";
}