aiac: add module

modules/programs/aiac.nix

@@ -0,0 +1,54 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  inherit (lib)
+    mkIf
+    mkEnableOption
+    mkPackageOption
+    mkOption
+    ;
+
+  cfg = config.programs.aiac;
+  tomlFormat = pkgs.formats.toml { };
+in
+{
+  meta.maintainers = with lib.hm.maintainers; [ aguirre-matteo ];
+  options.programs.aiac = {
+    enable = mkEnableOption "aiac";
+    package = mkPackageOption pkgs "aiac" { nullable = true; };
+    settings = mkOption {
+      inherit (tomlFormat) type;
+      default = { };
+      example = {
+        default_backend = "official_openai";
+        backends = {
+          official_openai = {
+            type = "openai";
+            api_key = "API KEY";
+            default_model = "gpt-4o";
+          };
+
+          localhost = {
+            type = "ollama";
+            url = "http://localhost:11434/api";
+          };
+        };
+      };
+      description = ''
+        Configuration settings for aiac. All the available options can be found here:
+        <https://github.com/gofireflyio/aiac/?tab=readme-ov-file#configuration>.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = mkIf (cfg.package != null) [ cfg.package ];
+    xdg.configFile."aiac/aiac.toml" = mkIf (cfg.settings != { }) {
+      source = tomlFormat.generate "aiac.toml" cfg.settings;
+    };
+  };
+}