// 只读证据收集：后台写接口 → 前端按钮文案（含出处），供人工核对后写进 set-known-audit-logs.js
//
//   node bin/checks/evidence.js                输出到 stdout（很长，建议重定向）
//   node bin/checks/evidence.js > ev.txt
//
// 链路：controller 端点 → api 函数（按 url+method 匹配）→ 调用该函数的 handler → 绑定该 handler 的按钮文案
const fs = require('fs');
const path = require('path');

const ROOT = path.resolve(__dirname, '..', '..');
const UI = path.join(ROOT, 'ruoyi-ui', 'src');

function walk(dir, out, filter) {
  if (!fs.existsSync(dir)) return out;
  for (const e of fs.readdirSync(dir, { withFileTypes: true })) {
    const p = path.join(dir, e.name);
    if (e.isDirectory()) { if (e.name !== 'node_modules' && e.name !== 'dist') walk(p, out, filter); }
    else if (!filter || filter(e.name)) out.push(p);
  }
  return out;
}
const norm = (u) => String(u).replace(/\$\{[^}]*\}/g, '{}').replace(/\{[^}]*\}/g, '{}')
  .replace(/\/+/g, '/').replace(/\/$/, '').replace(/['"`;\s]/, '');

// ---------- 1. api 函数 → url/method ----------
const apiEntries = []; // {fn, url, method, module}
for (const f of walk(path.join(UI, 'api'), [], (n) => n.endsWith('.js'))) {
  const src = fs.readFileSync(f, 'utf8');
  const mod = '@/api/' + path.relative(path.join(UI, 'api'), f).replace(/\\/g, '/').replace(/\.js$/, '');
  for (const m of src.matchAll(/export function (\w+)\s*\(([\s\S]{0,600}?)\n\}/g)) {
    const body = m[2];
    const url = (body.match(/url:\s*([`'"])([^`'"]+)\1/) || [])[2];
    const method = ((body.match(/method:\s*['"](\w+)['"]/) || [])[1] || 'get').toUpperCase();
    if (url) apiEntries.push({ fn: m[1], url, method, module: mod, file: path.relative(ROOT, f) });
  }
}

// ---------- 2. .vue 里的按钮 + handler → api 调用 ----------
const vueFiles = walk(path.join(UI, 'views'), [], (n) => n.endsWith('.vue'));
const fnEvidence = new Map(); // fn -> [{vue,line,label}]
for (const f of vueFiles) {
  const src = fs.readFileSync(f, 'utf8');
  if (!/from ['"]@\/api\//.test(src)) continue;
  const rel = path.relative(ROOT, f);
  // 按钮：<el-button ... @click="h" ...>文字</el-button> / el-dropdown-item
  for (const m of src.matchAll(/<el-(?:button|dropdown-item)[^>]*?@click(?:\.native)?="([\w.]+)[^"]*"[\s\S]{0,400}?>\s*([^<>{}]{1,20}?)\s*<\/el-(?:button|dropdown-item)>/g)) {
    const handler = m[1].split('.')[0];
    const label = m[2].trim();
    const line = (src.slice(0, m.index).match(/\n/g) || []).length + 1;
    // handler 函数体：从定义处到下一个顶层方法定义（截断保护），比按第一个 } 截更可靠
    const hm = src.match(new RegExp('(?:^|\\n)\\s*' + handler + '\\s*\\([^)]*\\)\\s*\\{'));
    if (!hm) continue;
    const rest = src.slice(hm.index + hm[0].length);
    const nextDef = rest.search(/\n\s{0,4}[A-Za-z_$][\w$]*\s*\([^)]*\)\s*\{/);
    const body = rest.slice(0, nextDef < 0 ? 3000 : Math.min(nextDef, 3000));
    for (const e of apiEntries) {
      if (new RegExp('\\b' + e.fn + '\\s*\\(').test(body)) {
        if (!fnEvidence.has(e.fn)) fnEvidence.set(e.fn, []);
        fnEvidence.get(e.fn).push({ vue: rel, line, label });
      }
    }
  }
}

// ---------- 3. controller 端点 ----------
const isBlockMember = (l) => /^\s*(\/\/|\*|\/\*|@)/.test(l) || (/^\s*[\w.]+\s*=/.test(l) && /[,)]\s*$/.test(l));
const endpoints = [];
for (const f of walk(path.join(ROOT, 'skins-service'), [], (n) => n.endsWith('Controller.java'))
  .concat(walk(path.join(ROOT, 'skins-promo'), [], (n) => n.endsWith('Controller.java')))) {
  const src = fs.readFileSync(f, 'utf8');
  const base = (src.match(/@RequestMapping\(\s*(?:value\s*=\s*)?"([^"]*)"/) || [, null])[1];
  if (!base || !base.startsWith('/admin')) continue;
  const lines = src.split(/\r?\n/);
  for (let i = 0; i < lines.length; i++) {
    const mm = lines[i].match(/^\s*@(Get|Post|Put|Delete)Mapping\b(.*)$/);
    if (!mm) continue;
    if (mm[1].toUpperCase() === 'GET' && !/reset|clear|delete|remove|update|save|apply|generate|sync|send|publish|toggle|adjust|grant|cancel|recalc/i.test(lines[i])) {
      // GET 默认跳过，除非名字像改数据
    }
    let top = i; for (let j = i - 1; j >= 0; j--) { if (lines[j].trim() === '' || !isBlockMember(lines[j])) break; top = j; }
    const block = lines.slice(top, i).join('\n');
    let name = null;
    for (let j = i + 1; j < Math.min(i + 14, lines.length); j++) {
      const s = lines[j].match(/^\s*(?:public|protected|private)\s+[\w<>\[\],\.\? ]+\s+(\w+)\s*\(/); if (s) { name = s[1]; break; } }
    const sub = (mm[2].match(/"([^"]*)"/) || [, ''])[1];
    endpoints.push({
      controller: path.basename(f, '.java'), method: name, http: mm[1].toUpperCase(),
      url: base + sub, human: /menu\s*=/.test(block) || /action\s*=/.test(block), hasLog: /@Log\(/.test(block),
    });
  }
}

// ---------- 4. 关联 ----------
const out = [];
for (const ep of endpoints) {
  if (ep.http === 'GET' && !/reset|clear|delete|remove|update|save|apply|generate|sync|send|publish|toggle|adjust|grant|cancel|recalc/i.test(ep.method || '')) continue;
  if (ep.http === 'GET' && !/reset|clear|delete|remove|update|save|apply|generate|sync|send|publish|toggle|adjust|grant|cancel|recalc/i.test(ep.url)) continue;
  const hit = apiEntries.find((e) => e.method === ep.http && norm(e.url) === norm(ep.url))
    || apiEntries.find((e) => e.method === ep.http && norm(e.url).startsWith(norm(ep.url) + '/'));
  const ev = hit ? (fnEvidence.get(hit.fn) || []) : [];
  out.push({ ep, hit, ev });
}

const state = (ep) => (!ep.hasLog ? '不记' : ep.human ? '已人话' : '旧JSON');
const onlyTodo = process.argv.includes('--todo');
console.log('controller.method | HTTP url | 现状 | 建议文案 | 证据');
for (const { ep, hit, ev } of out) {
  if (onlyTodo && ep.human) continue;
  const labels = [...new Set(ev.map((x) => x.label))];
  const suggest = labels.length === 1 ? labels[0] : labels.length === 0 ? '—(无按钮证据)' : labels.map((l) => l + '?').join('/');
  const evidence = ev.slice(0, 2).map((x) => `${x.vue}:${x.line}`).join(' ') || (hit ? `api ${hit.fn} 无按钮绑定` : '无 api');
  console.log(`${(ep.controller + '.' + ep.method).padEnd(52)} ${ep.http.padEnd(6)} ${ep.url.padEnd(44)} ${state(ep).padEnd(6)} ${suggest.padEnd(22)} ${evidence}`);
}