/**
 * 探针脚本（第二轮）：
 *  - A股指数 PE 历史：中证指数官网 csindex / 蛋卷基金 djapi
 *  - 美股指数 PE：Yahoo quoteSummary / CNBC / multpl 历史表格修正
 * 用法：node dev_test_scripts/debug/debug_dip_eval_sources2.js
 */
const axios = require('axios')
const UA = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0 Safari/537.36' }
const cut = (s, n = 400) => String(s == null ? '' : s).replace(/\s+/g, ' ').slice(0, n)

// ---------- 1. 中证指数官网（指数官方每日数据，含市盈率） ----------
const probeCsindex = async (code) => {
  const url = `https://www.csindex.com.cn/csindex-home/perf/index-perf?indexCode=${code}&startDate=20150701&endDate=20260804`
  try {
    const res = await axios.get(url, { timeout: 15000, headers: { ...UA, 'Referer': 'https://www.csindex.com.cn/' }, validateStatus: () => true })
    const d = res.data && res.data.data
    if (!Array.isArray(d) || !d.length) return console.log(`  [中证官网 ${code}] 无数据 status=${res.status} body=${cut(JSON.stringify(res.data), 300)}`)
    const first = d[0], last = d[d.length - 1]
    console.log(`  [中证官网 ${code}] OK 记录数=${d.length} 首=${JSON.stringify(first).slice(0, 200)}`)
    console.log(`  [中证官网 ${code}] 尾=${JSON.stringify(last).slice(0, 200)}`)
  } catch (e) {
    console.log(`  [中证官网 ${code}] 异常: ${e.message}`)
  }
}

// ---------- 2. 蛋卷基金指数估值 ----------
const probeDanjuan = async () => {
  try {
    const res = await axios.get('https://danjuanfunds.com/djapi/index_eva/dj', { timeout: 15000, headers: UA, validateStatus: () => true })
    const items = res.data && res.data.data && res.data.data.items
    if (!Array.isArray(items)) return console.log(`  [蛋卷 index_eva] 无items status=${res.status} body=${cut(JSON.stringify(res.data), 300)}`)
    const targets = items.filter(i => /000300|000905|沪深300|中证500|标普|纳/i.test(JSON.stringify(i)))
    console.log(`  [蛋卷 index_eva] OK 总数=${items.length} 相关=${targets.length}`)
    for (const t of targets.slice(0, 8)) {
      console.log(`    ${cut(JSON.stringify(t), 350)}`)
    }
  } catch (e) {
    console.log(`  [蛋卷 index_eva] 异常: ${e.message}`)
  }
}

// ---------- 3. Yahoo quoteSummary（trailingPE） ----------
const probeYahoo = async (symbol) => {
  const url = `https://query1.finance.yahoo.com/v10/finance/quoteSummary/${encodeURIComponent(symbol)}?modules=summaryDetail,price`
  try {
    const res = await axios.get(url, { timeout: 15000, headers: UA, validateStatus: () => true })
    const r = res.data && res.data.quoteSummary && res.data.quoteSummary.result && res.data.quoteSummary.result[0]
    if (!r) return console.log(`  [Yahoo ${symbol}] 无数据 status=${res.status} body=${cut(JSON.stringify(res.data), 250)}`)
    const sd = r.summaryDetail || {}
    const pr = r.price || {}
    console.log(`  [Yahoo ${symbol}] OK 名称=${pr.shortName} 价格=${pr.regularMarketPrice && pr.regularMarketPrice.raw} trailingPE=${sd.trailingPE && sd.trailingPE.raw} forwardPE=${sd.forwardPE && sd.forwardPE.raw}`)
  } catch (e) {
    console.log(`  [Yahoo ${symbol}] 异常: ${e.message}`)
  }
}

// ---------- 4. CNBC quote ----------
const probeCnbc = async () => {
  const url = 'https://quote.cnbc.com/quote-html-webservice/restQuote/symbolType/symbol?symbols=.NDX|.INX&requestMethod=itv&noform=1&partnerId=2&fund=1&exthrs=1&output=json'
  try {
    const res = await axios.get(url, { timeout: 15000, headers: UA, validateStatus: () => true })
    const quotes = res.data && res.data.FormattedQuoteResult && res.data.FormattedQuoteResult.formattedQuote
    if (!Array.isArray(quotes)) return console.log(`  [CNBC] 无数据 status=${res.status} body=${cut(JSON.stringify(res.data), 300)}`)
    for (const q of quotes) {
      console.log(`  [CNBC ${q.symbol}] 名称=${q.name} 价格=${q.last} PE=${q.Pe} pe=${q.pe} 全字段=${cut(Object.keys(q).join(','), 300)}`)
    }
  } catch (e) {
    console.log(`  [CNBC] 异常: ${e.message}`)
  }
}

// ---------- 5. multpl 历史表格（修正解析） ----------
const probeMultplHistory = async () => {
  try {
    const res = await axios.get('https://www.multpl.com/s-p-500-pe-ratio/table/by-month', { timeout: 15000, headers: UA, validateStatus: () => true })
    const html = String(res.data)
    const tbody = html.match(/<tbody>([\s\S]*?)<\/tbody>/)
    const rows = tbody ? (tbody[1].match(/<tr>[\s\S]*?<\/tr>/g) || []) : []
    console.log(`  [multpl 历史] status=${res.status} tbody行数=${rows.length}`)
    for (const r of rows.slice(0, 3)) console.log(`    ${cut(r, 150)}`)
    if (!rows.length) {
      const i = html.indexOf('datatable')
      console.log(`    datatable 附近片段: ${cut(html.slice(Math.max(0, i - 100), i + 500), 550)}`)
    }
  } catch (e) {
    console.log(`  [multpl 历史] 异常: ${e.message}`)
  }
}

// ---------- 6. 乐咕乐股（公开接口尝试） ----------
const probeLegu = async () => {
  try {
    const res = await axios.get('https://legulegu.com/api/stockdata/index-basic-info?indexCode=000300', { timeout: 15000, headers: { ...UA, 'Referer': 'https://legulegu.com/stockdata/shanghaiPE' }, validateStatus: () => true })
    console.log(`  [乐咕 index-basic-info] status=${res.status} body=${cut(JSON.stringify(res.data), 300)}`)
  } catch (e) {
    console.log(`  [乐咕] 异常: ${e.message}`)
  }
}

;(async () => {
  console.log('=== 中证指数官网（A股指数官方数据，含市盈率） ===')
  await probeCsindex('000300')
  await probeCsindex('000905')

  console.log('\n=== 蛋卷基金指数估值 ===')
  await probeDanjuan()

  console.log('\n=== Yahoo quoteSummary（美股指数 PE） ===')
  await probeYahoo('^GSPC')
  await probeYahoo('^NDX')

  console.log('\n=== CNBC（美股指数 PE） ===')
  await probeCnbc()

  console.log('\n=== multpl 标普500 月度PE历史 ===')
  await probeMultplHistory()

  console.log('\n=== 乐咕乐股 ===')
  await probeLegu()

  console.log('\n探针结束')
})()