import tseslint from "typescript-eslint";

export default tseslint.config(
  {
    ignores: ["**/dist/**", "**/node_modules/**", "**/*.js", "**/*.mjs"],
  },
  ...tseslint.configs.recommended,
  {
    rules: {
      "@typescript-eslint/no-explicit-any": "error",
      "@typescript-eslint/no-unused-vars": ["error", { argsIgnorePattern: "^_", varsIgnorePattern: "^_" }],
    },
  },
  // Engine RHS purity: ban impure globals in rete/src
  {
    files: ["packages/rete/src/**/*.ts"],
    rules: {
      "no-restricted-globals": [
        "error",
        { name: "Date", message: "RHS purity: use session.now() instead" },
        { name: "performance", message: "RHS purity: forbidden in engine" },
        { name: "setTimeout", message: "RHS purity: forbidden in engine" },
        { name: "setInterval", message: "RHS purity: forbidden in engine" },
        { name: "clearTimeout", message: "RHS purity: forbidden in engine" },
        { name: "clearInterval", message: "RHS purity: forbidden in engine" },
        { name: "fetch", message: "RHS purity: forbidden in engine" },
        { name: "console", message: "RHS purity: use debug flag instead" },
      ],
      "no-restricted-syntax": [
        "error",
        {
          selector: "MemberExpression[object.name='Math'][property.name='random']",
          message: "RHS purity: Math.random() forbidden in engine",
        },
      ],
    },
  },
  // EventLog is a transcript, not rule logic — wall-clock timestamps
  // are intentional here (see SPEC.md §Rete II Reference Target and
  // eventlog.ts header). Carve it out from the RHS-purity Date ban.
  {
    files: ["packages/rete/src/eventlog.ts"],
    rules: {
      "no-restricted-globals": "off",
    },
  }
);