import { dirname } from "path"
import { fileURLToPath } from "url"
import { FlatCompat } from "@eslint/eslintrc"
import tsparser from "@typescript-eslint/parser"
import tseslint from "@typescript-eslint/eslint-plugin"
import prettierPlugin from "eslint-plugin-prettier"

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

const compat = new FlatCompat({
  baseDirectory: __dirname,
})

const eslintConfig = [
  {
    ignores: [
      "node_modules/**",
      ".next/**",
      "out/**",
      "build/**",
      "next-env.d.ts",
    ],
  },
  ...compat.extends("next/core-web-vitals"),
  {
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        sourceType: "module",
        ecmaVersion: "latest",
      },
    },
    plugins: {
      "@typescript-eslint": tseslint,
      prettier: prettierPlugin,
    },
    rules: {
      // "no-console": "error",
      // 'prettier/prettier': 'warn',
      "no-var": "error", // 要求使用 let 或 const 而不是 var
      eqeqeq: [2, "allow-null"], // 使用 === 替代 ==
      "no-multiple-empty-lines": ["error", { max: 1 }], // 不允许多个空行
      "no-multi-spaces": 2, // 不能用多余的空格
      "no-trailing-spaces": 2, // 一行结束后面不要有空格
      "no-use-before-define": "off", // 禁止在 函数/类/变量 定义之前使用它们
      "prefer-const": "off", // 此规则旨在标记使用 let 关键字声明但在初始分配后从未重新分配的变量，要求使用 const
      "no-irregular-whitespace": "off", // 禁止不规则的空白
      "prettier/prettier": [
        "error",
        {
          endOfLine: "auto",
        },
      ],
      "react-hooks/rules-of-hooks": "error", // 检查 Hooks 的声明
      "react-hooks/exhaustive-deps": "warn", // 检查依赖项的声明
      "react-hooks/immutability": "off", // 现有交互层大量依赖 ref/mutable 对象，暂不启用 React Compiler 约束
      "react-hooks/preserve-manual-memoization": "off", // 当前项目未接入 React Compiler，先保留现有 useCallback/useMemo 依赖写法
      "react-hooks/refs": "off", // 现有画布能力通过 ref 暴露 imperative API，后续如接入 Compiler 再系统治理
      "react-hooks/set-state-in-effect": "off", // 页面初始化和同步逻辑仍依赖 effect 驱动，避免一次升级触发大规模重构
      "react-hooks/static-components": "off", // 先允许局部 render helper，后续再按需拆分组件
      "react/display-name": "off",
      "import/no-anonymous-default-export": "off",
      "@typescript-eslint/no-unused-vars": [
        "error",
        {
          argsIgnorePattern: "^_",
        },
      ], // 禁止定义未使用的变量
    },
  },
]

export default eslintConfig