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

{
  imports = with tree; [
    users.root

    profiles.base
    profiles.sshd
    profiles.nix-gc
    profiles.nginx

    ./hardware.nix
    ./networking.nix
  ];

  systemd.tmpfiles.rules = [
    "d /secrets - root root"
    #
    "d /storage - root root"
  ];


  users.groups.storage = { };
  users.users.storage = {
    isNormalUser = true;
    extraGroups = [ "storage" ];
  };

  systemd.services.populate-rclone-config = {
    wantedBy = [ "multi-user.target" ];
    after = [ "network.target" ];
    path = with pkgs; [ bash rclone vault getent jq ];
    script = let
      vault_username = "storage";
      vault_password_file = "/secrets/vault_password";
    in ''
      mkdir -p /home/storage/.config/rclone

      VAULT_ADDR="https://vault.owo.monster" bash ${
        ./populate-rclone-config.sh
      } ${vault_username} ${vault_password_file} ${
        ./rclone_config.template
      } /home/storage/.config/rclone/rclone.conf
      chown storage:storage /home/storage/.config/rclone/rclone.conf
      chmod 660 /home/storage/.config/rclone/rclone.conf
    '';
  };

  systemd.services.storage-mount = {
    wantedBy = [ "multi-user.target" ];
    after = [ "network.target" ];
    wants = [ "populate-rclone-config.service" ];

    path = with pkgs; [ bash rclone mount umount ];
    script = ''
      set -e
      umount /storage -fl || true
      sleep 2
      rclone --config /home/storage/.config/rclone/rclone.conf mount StorageBox: /storage --allow-non-empty
    '';
  };

  services.rclone-serve = {
    enable = true;
    remotes = [
      {
        user = "storage";
        remote = "StorageBox:";
        type = "webdav";
        wants = [ "populate-rclone-config.service" ];
        extraArgs = [ "--addr=:4242" "--htpasswd=/secrets/webdav_htpasswd" ];
      }
      {
        user = "storage";
        remote = "StorageBox:Chaos-Backups/Restic/HetznerVM";
        type = "restic";
        wants = [ "populate-rclone-config.service" ];
        extraArgs = [
          "--addr=:4243"
          "--htpasswd=/secrets/restic_hetznervm_htpasswd"
          "--baseurl=/HetznerVM/"
        ];
      }
      {
        user = "storage";
        remote = "StorageBox:Chaos-Backups/Restic/Music";
        type = "restic";
        wants = [ "populate-rclone-config.service" ];
        extraArgs = [
          "--addr=:4244"
          "--htpasswd=/secrets/restic_music_htpasswd"
          "--baseurl=/Music/"
        ];
      }
      {
        user = "storage";
        remote = "StorageBox:Chaos-Backups/Restic/Vault";
        type = "restic";
        wants = [ "populate-rclone-config.service" ];
        extraArgs = [
          "--addr=:4245"
          "--htpasswd=/secrets/restic_vault_htpasswd"
          "--baseurl=/Vault/"
        ];
      }
    ];
  };

  networking.firewall.allowedTCPPorts = [ 80 443 ];

  services.nginx.virtualHosts."storage-webdav.owo.monster" = {
    forceSSL = true;
    enableACME = true;
    locations = { "/".proxyPass = "http://localhost:4242"; };
  };

  services.nginx.virtualHosts."storage-restic.owo.monster" = {
    forceSSL = true;
    enableACME = true;
    locations = {
      "/HetznerVM/".proxyPass = "http://localhost:4243";
      "/Music/".proxyPass = "http://localhost:4244";
      "/Vault/".proxyPass = "http://localhost:4245";
    };
  };

  services.rclone-sync = {
    enable = true;
    user = "storage";
    sync_jobs = [
      {
        source = "StorageBox:Chaos-Backups";
        dest = "B2-Chaos-Backups:";
        wants = [ "populate-rclone-config.service" ];
        timerConfig = {
          OnStartupSec = "60";
          OnCalendar = "4h";
        };
      }
      {
        source = "StorageBox:Chaos-Photos";
        dest = "B2-Chaos-Photos:";
        wants = [ "populate-rclone-config.service" ];
        timerConfig = {
          OnStartupSec = "60";
          OnCalendar = "4h";
        };
      }
    ];
  };

  environment.systemPackages = with pkgs; [
    rclone
    cifs-utils
    apacheHttpd
    restic
  ];

  home-manager.users.root = {
    imports = with tree; [ home.base home.dev.small ];
    home.stateVersion = "22.05";
  };

  networking.hostName = "storage";
  time.timeZone = "Europe/London";

  system.stateVersion = "21.11";
}