#!/usr/bin/env node
const fs = require('fs');
const path = require('path');

function findRemoveScopedFiles() {
  const files = [];
  const localPath = path.join(__dirname, 'node_modules', '@dcloudio',
    'vue-cli-plugin-uni', 'packages', '@vue', 'component-compiler-utils',
    'dist', 'stylePlugins', 'remove-scoped.js');
  if (fs.existsSync(localPath)) files.push(localPath);
  return files;
}

function patchFile(filePath) {
  let content = fs.readFileSync(filePath, 'utf8');
  if (content.includes("selector.first.spaces.before = '';")) {
    content = content.replace(
      /selector\.first\.spaces\.before = '';/,
      "if (selector.first) { selector.first.spaces.before = ''; }"
    );
    fs.writeFileSync(filePath, content, 'utf8');
    console.log(`  ✅ ${filePath}`);
    return true;
  } else if (content.includes("if (selector.first) { selector.first.spaces.before = ''; }")) {
    console.log(`  ⏭️  ${filePath} (already patched)`);
    return true;
  }
  return false;
}

function patchTemplateLoader(filePath) {
  let content = fs.readFileSync(filePath, 'utf8');
  if (content.includes("export { render, staticRenderFns }") && !content.includes("recyclableRender")) {
    return true;
  }
  const oldExport = /export \{ render, staticRenderFns, recyclableRender, components \}/;
  if (oldExport.test(content)) {
    content = content.replace(oldExport, "export { render, staticRenderFns }");
    fs.writeFileSync(filePath, content, 'utf8');
    console.log(`  ✅ ${filePath}`);
    return true;
  }
  return false;
}

const files = findRemoveScopedFiles();
if (files.length === 0) {
  console.log('remove-scoped.js not found, skipping');
} else {
  let patched = 0;
  for (const f of files) { if (patchFile(f)) patched++; }
  console.log(`Done: ${patched}/${files.length} patched`);
}

const templateLoaderPath = path.join(__dirname, 'node_modules', '@dcloudio',
  'vue-cli-plugin-uni', 'packages', 'vue-loader', 'lib', 'loaders', 'templateLoader.js');
if (fs.existsSync(templateLoaderPath)) {
  patchTemplateLoader(templateLoaderPath);
}