# SPDX-FileCopyrightText: 2024 Maurice Debray <maurice.debray@dgnum.eu>
# SPDX-FileCopyrightText: 2024 Tom Hubrecht <tom.hubrecht@dgnum.eu>
#
# SPDX-License-Identifier: EUPL-1.2

{
  sources ? import ./npins,
  pkgs ? import sources.nixpkgs { },
}:

let
  inherit (pkgs.lib)
    isFunction
    mapAttrs
    mapAttrs'
    nameValuePair
    removeSuffix
    ;

  nix-reuse = import sources.nix-reuse { inherit pkgs; };

  git-checks = (import sources.git-hooks).run {
    src = ./.;

    hooks = {
      statix = {
        enable = true;
        stages = [ "pre-push" ];
        settings.ignore = [
          "**/lon.nix"
          "**/npins"
        ];
      };

      deadnix = {
        enable = true;
        stages = [ "pre-push" ];
      };

      nixfmt-rfc-style = {
        enable = true;
        stages = [ "pre-push" ];
      };

      reuse = nix-reuse.hook {
        enable = true;
        stages = [ "pre-push" ];
      };

      commitizen.enable = true;
    };
  };

  reuse = nix-reuse.install {
    defaultLicense = "EUPL-1.2";
    defaultCopyright = "La Délégation Générale Numérique <contact@dgnum.eu>";

    downloadLicenses = true;
    generatedPaths = [
      "**/.envrc"
      "**/Cargo.lock"
      "**/_hardware-configuration.nix"
      ".gitignore"
      "REUSE.toml"
      "shell.nix"
    ];

    annotations = [
      # Auto-generated workflow files using nix-actions
      { path = [ ".forgejo/workflows/*" ]; }

      # Secrets
      {
        path = [
          "machines/**/secrets/*"
          "modules/nixos/dgn-backups/keys/*"
          "modules/nixos/dgn-netbox-agent/secrets/netbox-agent"
          "modules/nixos/dgn-notify/mail"
          "modules/nixos/dgn-records/__arkheon-token_file"
        ];
        license = "CC-BY-NC-ND-4.0";
      }

      # Patches
      {
        path = [
          "machines/nixos/compute01/librenms/kanidm.patch"
          "machines/nixos/compute01/stirling-pdf/*.patch"
          "machines/nixos/vault01/k-radius/packages/01-python_path.patch"
          "machines/nixos/web01/crabfit/packages/**.patch"
          "machines/nixos/web02/cas-eleves/01-pytest-cas.patch"
          "patches/lix/01-disable-installChecks.patch"
          "patches/nixpkgs/04-crabfit-karla.patch"
          "patches/nixpkgs/05-netbird-relay.patch"
        ];
        copyright = "2024 Tom Hubrecht <tom.hubrecht@dgnum.eu>";
      }
      {
        path = [ "patches/nixpkgs/06-netbox-qrcode.patch" ];
        copyright = "2024 Maurice Debray <maurice.debray@dgnum.eu>";
      }

      # colmena wrapper
      {
        path = "lib/colmena/*";
        license = "MIT";
      }

      # npins generated files
      {
        path = "**/npins/*";
        license = "EUPL-1.2";
        copyright = "The [npins](https://github.com/andir/npins) contributors";
      }
    ];
  };

  workflows = (import sources.nix-actions { inherit pkgs; }).install {
    src = ./.;

    workflows = mapAttrs' (
      name: _:
      nameValuePair (removeSuffix ".nix" name) (
        let
          w = import ./workflows/${name};
        in
        if isFunction w then w { inherit (pkgs) lib; } else w
      )
    ) (builtins.readDir ./workflows);
  };

  scripts = import ./scripts { inherit pkgs sources; };
in

{
  nodes = builtins.mapAttrs (
    host: { site, ... }: "${host}.${site}.infra.dgnum.eu"
  ) (import ./meta/nodes.nix);

  dns = import ./meta/dns.nix;

  mkCacheSettings = import ./machines/nixos/storage01/tvix-cache/cache-settings.nix;

  devShell = pkgs.mkShell {
    name = "dgnum-infra";

    packages = [
      (pkgs.nixos-generators.overrideAttrs (_: {
        version = "1.8.0-unstable";
        src = sources.nixos-generators;
      }))
      pkgs.npins
      pkgs.reuse

      # SSO testing
      pkgs.kanidm
      pkgs.freeradius
      pkgs.picocom # for serial access

      (pkgs.callPackage ./lib/colmena {
        colmena = pkgs.callPackage "${sources.colmena}/package.nix" { };
      })
      (pkgs.callPackage "${sources.agenix}/pkgs/agenix.nix" { })
      (pkgs.callPackage "${sources.lon}/nix/packages/lon.nix" { })
    ] ++ (builtins.attrValues scripts);

    shellHook = ''
      ${git-checks.shellHook}
      ${workflows.shellHook}
      ${reuse.shellHook}
    '';

    preferLocalBuild = true;

    ###
    # Alternative shells

    passthru = mapAttrs (name: value: pkgs.mkShell (value // { inherit name; })) {
      pre-commit.shellHook = git-checks.shellHook;
      check-workflows.shellHook = workflows.shellHook;
      eval-nodes.packages = [ scripts.cache-node ];
    };
  };
}