import js from "@eslint/js";
import jsdoc from "eslint-plugin-jsdoc";
import importPlugin from "eslint-plugin-import";
import globals from "globals";
import { fileURLToPath } from "url";
import { dirname } from "path";

const __dirname = dirname(fileURLToPath(import.meta.url));

export default [
  js.configs.recommended,
  {
    plugins: {
      jsdoc,
      import: importPlugin,
    },
    languageOptions: {
      globals: {
        // Browser built-ins (console, setTimeout, etc.)
        ...globals.browser,
        // FoundryVTT globals injected at runtime
        Hooks: "readonly",
        game: "readonly",
        ui: "readonly",
        canvas: "readonly",
        foundry: "readonly",
        CONFIG: "readonly",
        CONST: "readonly",
      },
    },
    settings: {
      // Support path aliases for import resolution
      "import/resolver": {
        node: {
          extensions: [".js", ".mjs"],
        },
      },
    },
    rules: {
      // Require JSDoc on all exported symbols
      "jsdoc/require-jsdoc": [
        "error",
        {
          publicOnly: true,
          require: {
            FunctionDeclaration: true,
            MethodDefinition: true,
            ClassDeclaration: true,
            ArrowFunctionExpression: false,
            FunctionExpression: false,
          },
          contexts: ["ExportNamedDeclaration > FunctionDeclaration"],
        },
      ],
      "jsdoc/require-param": "warn",
      "jsdoc/require-returns": "warn",

      // Import boundary enforcement
      "import/no-restricted-paths": [
        "error",
        {
          zones: [
            // src/core/ → may import src/contracts/ and src/utils/ ONLY
            {
              target: "./src/core",
              from: "./src/foundry",
              message: "src/core/ must not import from src/foundry/",
            },
            {
              target: "./src/core",
              from: "./src/ui",
              message: "src/core/ must not import from src/ui/",
            },
            {
              target: "./src/core",
              from: "./src/notifications",
              message: "src/core/ must not import from src/notifications/",
            },
            {
              target: "./src/core",
              from: "./src/presets",
              message: "src/core/ must not import from src/presets/",
            },
            // src/foundry/ → may import src/contracts/ and src/utils/ ONLY
            {
              target: "./src/foundry",
              from: "./src/core",
              message: "src/foundry/ must not import from src/core/",
            },
            {
              target: "./src/foundry",
              from: "./src/ui",
              message: "src/foundry/ must not import from src/ui/",
            },
            {
              target: "./src/foundry",
              from: "./src/notifications",
              message: "src/foundry/ must not import from src/notifications/",
            },
            {
              target: "./src/foundry",
              from: "./src/presets",
              message: "src/foundry/ must not import from src/presets/",
            },
            // src/contracts/ → no internal imports
            {
              target: "./src/contracts",
              from: "./src",
              message: "src/contracts/ must not import from other src/ modules",
            },
            // src/utils/ → no internal imports
            {
              target: "./src/utils",
              from: "./src",
              message: "src/utils/ must not import from other src/ modules",
            },
          ],
        },
      ],
    },
  },
  {
    files: ["tests/**/*.js"],
    rules: {
      // Relax JSDoc requirement for test files
      "jsdoc/require-jsdoc": "off",
    },
  },
  {
    ignores: ["dist/", "node_modules/", "*.zip"],
  },
];