/** @type {import('next').NextConfig} */
/* eslint-disable @typescript-eslint/no-var-requires */
const nextConfig = {
  eslint: {
    dirs: ['src'],
  },

  reactStrictMode: true,
  swcMinify: true,

  /**
   * 在编译阶段把 storage.type 写入环境变量，供浏览器端动态切换存储方案。
   */
  env: (function () {
    const fs = require('fs');
    const path = require('path');

    let storageType = 'localstorage';
    try {
      const json = JSON.parse(
        fs.readFileSync(path.join(__dirname, 'config.json'), 'utf-8')
      );
      storageType = json?.storage?.type ?? 'localstorage';
    } catch {
      // ignore – 保持默认值
    }

    return {
      NEXT_PUBLIC_STORAGE_TYPE: storageType,
    };
  })(),

  // Uncoment to add domain whitelist
  images: {
    remotePatterns: [
      {
        protocol: 'https',
        hostname: '**',
      },
      {
        protocol: 'http',
        hostname: '**',
      },
    ],
  },

  webpack(config) {
    // Grab the existing rule that handles SVG imports
    const fileLoaderRule = config.module.rules.find((rule) =>
      rule.test?.test?.('.svg')
    );

    config.module.rules.push(
      // Reapply the existing rule, but only for svg imports ending in ?url
      {
        ...fileLoaderRule,
        test: /\.svg$/i,
        resourceQuery: /url/, // *.svg?url
      },
      // Convert all other *.svg imports to React components
      {
        test: /\.svg$/i,
        issuer: { not: /\.(css|scss|sass)$/ },
        resourceQuery: { not: /url/ }, // exclude if *.svg?url
        loader: '@svgr/webpack',
        options: {
          dimensions: false,
          titleProp: true,
        },
      }
    );

    // Modify the file loader rule to ignore *.svg, since we have it handled now.
    fileLoaderRule.exclude = /\.svg$/i;

    return config;
  },
};

module.exports = nextConfig;