# Import nixpkgs with niv. https://dataswamp.org/~solene/2022-01-12-nix-niv-shell.html#_Create_a_shell.nix_file
let
  sources = import ./nix/sources.nix;
in
{
  # Colmena config: https://colmena.cli.rs/0.4/tutorial/index.html#basic-configuration
  # Colmena local node: https://colmena.cli.rs/0.4/features/apply-local.html

  meta = {
    # Pin the Nixpkgs version with niv.
    # Note: You can also override Nixpkgs by node.
    nixpkgs = import sources.nixpkgs {};
  };

  defaults = { ... }: {
    # This module will be imported by all hosts.
  };

  #
  # LOCAL DEPLOYMENT
  #

  yodaTux = { name, nodes, ... }: {
    # Import the per-host configuration file.
    imports = [ ./hosts/${name}/configuration.nix ];

    deployment.keys.smtpd = {
      # When non-null, contents of the specified file will be deployed to the specified key on the target machine.
      # https://github.com/NixOS/nixops/blob/fc9b55c55da62f949028143b974f67fdc7f40c8b/nix/keys.nix#L58
      keyFile = ./secrets/smtpd;

      destDir = "/secrets";        # Default: /run/keys
      # smtpd user. https://github.com/NixOS/nixpkgs/blob/360a7d31c30abefdc490d203f80e3221b7a24af2/nixos/modules/services/mail/opensmtpd.nix#L93C7-L93C12
      user = "smtpd";              # Default: root
      #group = "smtpd";            # Default: root
      permissions = "0400";        # Default: 0600

      uploadAt = "pre-activation"; # Default: pre-activation, Alternative: post-activation
    };

    deployment = {
      # Local deployment.
      allowLocalDeployment = true;
      targetHost = null;
    };
  };

  yodaTab = { name, nodes, ... }: {
    # Import the per-host configuration file.
    imports = [ ./hosts/${name}/configuration.nix ];

    deployment.keys.smtpd = {
      # When non-null, contents of the specified file will be deployed to the specified key on the target machine.
      # https://github.com/NixOS/nixops/blob/fc9b55c55da62f949028143b974f67fdc7f40c8b/nix/keys.nix#L58
      keyFile = ./secrets/smtpd;

      destDir = "/secrets";        # Default: /run/keys
      # smtpd user. https://github.com/NixOS/nixpkgs/blob/360a7d31c30abefdc490d203f80e3221b7a24af2/nixos/modules/services/mail/opensmtpd.nix#L93C7-L93C12
      user = "smtpd";              # Default: root
      #group = "smtpd";            # Default: root
      permissions = "0400";        # Default: 0600

      uploadAt = "pre-activation"; # Default: pre-activation, Alternative: post-activation
    };

    deployment = {
      # Local deployment.
      allowLocalDeployment = true;
      targetHost = null;
    };
  };

  #
  # SSH DEPLOYMENT
  #

  yodaYoga = { name, nodes, ... }: {
    # Import the per-host configuration file.
    imports = [ ./hosts/${name}/configuration.nix ];

    deployment.keys.smtpd = {
      # When non-null, contents of the specified file will be deployed to the specified key on the target machine.
      # https://github.com/NixOS/nixops/blob/fc9b55c55da62f949028143b974f67fdc7f40c8b/nix/keys.nix#L58
      keyFile = ./secrets/smtpd;

      destDir = "/secrets";        # Default: /run/keys
      # smtpd user. https://github.com/NixOS/nixpkgs/blob/360a7d31c30abefdc490d203f80e3221b7a24af2/nixos/modules/services/mail/opensmtpd.nix#L93C7-L93C12
      user = "smtpd";              # Default: root
      #group = "smtpd";            # Default: root
      permissions = "0400";        # Default: 0600

      uploadAt = "pre-activation"; # Default: pre-activation, Alternative: post-activation
    };

    deployment = {
      # SSH deployment.
      targetHost = "p1st.de";
      targetPort = 2224;

      # tags = [ "production" ];
    };
  };
}