/**
 * Soul 创业派对 - 关联小程序跳转（与阅读页 onLinkTagTap miniprogram 分支一致）
 */
const app = getApp()

function normalizeLinkTagLabel(raw) {
  return String(raw || '')
    .replace(/^[#＃\s\u00a0\u200b\u3000]+/u, '')
    .replace(/[\s\u00a0\u200b\u3000]+$/u, '')
    .trim()
    .toLowerCase()
}

function resolveLinkTagByLabel(label) {
  const normalized = normalizeLinkTagLabel(label)
  if (!normalized) return null
  const tags = Array.isArray(app.globalData.linkTagsConfig) ? app.globalData.linkTagsConfig : []
  for (const t of tags) {
    if (!t) continue
    const candidates = [t.label]
    if (typeof t.aliases === 'string' && t.aliases.trim()) {
      candidates.push(...t.aliases.split(','))
    }
    for (const c of candidates) {
      if (normalizeLinkTagLabel(c) === normalized) return t
    }
  }
  return null
}

function pickLinkTagField(tag, keys, defaultValue = '') {
  if (!tag || typeof tag !== 'object') return defaultValue
  for (const key of keys) {
    const v = tag[key]
    if (v == null) continue
    const s = String(v).trim()
    if (s) return s
  }
  return defaultValue
}

function parseDatasetBool(v) {
  if (typeof v === 'boolean') return v
  const s = String(v || '').trim().toLowerCase()
  return s === '1' || s === 'true' || s === 'yes' || s === 'on'
}

function normalizeQueryKey(raw, defaultKey = 'phone') {
  const s = String(raw || '').trim()
  if (!s) return defaultKey
  if (!/^[A-Za-z][A-Za-z0-9_]{0,63}$/.test(s)) return defaultKey
  return s
}

/** 跳转其他小程序时在 path 上追加/覆盖 query（保留已有 ?…&…，避免重复同名 key） */
function appendQueryToPath(path, key, value) {
  if (value == null || value === '') return (path || '').trim()
  const base = (path || '').trim()
  const hashIdx = base.indexOf('#')
  const hashPart = hashIdx >= 0 ? base.slice(hashIdx) : ''
  const noHash = hashIdx >= 0 ? base.slice(0, hashIdx) : base
  const qIdx = noHash.indexOf('?')
  const pathname = qIdx >= 0 ? noHash.slice(0, qIdx) : noHash
  const query = qIdx >= 0 ? noHash.slice(qIdx + 1) : ''
  const params = []
  if (query) {
    query.split('&').forEach((pair) => {
      if (!pair) return
      const [k = '', v = ''] = pair.split('=')
      const dk = decodeURIComponent(k || '')
      if (dk && dk !== key) params.push(`${encodeURIComponent(dk)}=${v}`)
    })
  }
  params.push(`${encodeURIComponent(key)}=${encodeURIComponent(String(value))}`)
  return `${pathname}${params.length ? '?' + params.join('&') : ''}${hashPart}`
}

function getLoggedInUserPhone() {
  const u = app.globalData.userInfo || {}
  return (u.phone || u.phoneNumber || wx.getStorageSync('user_phone') || '').trim().replace(/\s/g, '')
}

async function ensureLoggedInUserPhone() {
  let phone = getLoggedInUserPhone()
  if (phone) return phone
  try {
    const profileRes = await app.request({ url: '/api/miniprogram/user/profile', silent: true, timeout: 3000 })
    const p = (profileRes && profileRes.data) ? profileRes.data : {}
    phone = String(p.phone || p.phoneNumber || '').trim().replace(/\s/g, '')
    if (phone) {
      const merged = { ...(app.globalData.userInfo || {}), ...p, phone }
      app.globalData.userInfo = merged
      try {
        wx.setStorageSync('userInfo', merged)
        wx.setStorageSync('user_phone', phone)
      } catch (_) {}
    }
  } catch (e) {}
  return phone
}

function resolveMiniprogramLinkFromTag(tag) {
  if (!tag || typeof tag !== 'object') return null
  const tagType = pickLinkTagField(tag, ['type', 'tagType'], '').toLowerCase()
  if (tagType !== 'miniprogram') return null
  const mpKey = pickLinkTagField(tag, ['mpKey', 'mp_key', 'appId', 'app_id'], '')
  const pagePath = pickLinkTagField(tag, ['pagePath', 'page_path'], '')
  let passPhone = true
  const hasCachedPassPhone = !(tag.passPhone == null || tag.passPhone === '')
  if (hasCachedPassPhone) passPhone = parseDatasetBool(tag.passPhone)
  const phoneParamName = normalizeQueryKey(tag.phoneParamName, 'phone')
  return { mpKey, pagePath, passPhone, phoneParamName }
}

/**
 * @param {{ mpKey: string, pagePath?: string, passPhone?: boolean, phoneParamName?: string }} opts
 */
async function navigateLinkedMiniprogram(opts) {
  const mpKey = String(opts.mpKey || '').trim()
  if (!mpKey) {
    wx.showToast({ title: '未配置小程序', icon: 'none' })
    return
  }
  await app.getReadExtras()
  const linked = (app.globalData.linkedMiniprograms || []).find((m) => m.key === mpKey)
  if (!linked || !linked.appId) {
    wx.showToast({ title: '未找到关联小程序配置', icon: 'none' })
    return
  }
  let targetPath = (opts.pagePath != null && String(opts.pagePath).trim())
    ? String(opts.pagePath).trim()
    : (linked.path || '')
  const phone = await ensureLoggedInUserPhone()
  const passPhone = opts.passPhone !== false
  const phoneParamName = normalizeQueryKey(opts.phoneParamName, 'phone')
  if (passPhone && phone) {
    targetPath = appendQueryToPath(targetPath, phoneParamName, phone)
  }
  wx.navigateToMiniProgram({
    appId: linked.appId,
    path: targetPath || '',
    envVersion: 'release',
    success: () => {},
    fail: (err) => {
      wx.showToast({ title: err.errMsg || '跳转失败', icon: 'none' })
    },
  })
}

async function navigateMiniprogramFromLinkTagConfig(tag) {
  const r = resolveMiniprogramLinkFromTag(tag)
  if (!r || !r.mpKey) return false
  await navigateLinkedMiniprogram(r)
  return true
}

/**
 * @param {Record<string, unknown>} myPageUi mp_config.mpUi.myPage
 */
function findMbtiLinkTagInConfig(myPageUi) {
  const tags = Array.isArray(app.globalData.linkTagsConfig) ? app.globalData.linkTagsConfig : []
  const preferred = myPageUi && String(myPageUi.mbtiLinkLabel || '').trim()
  if (preferred) {
    const t = resolveLinkTagByLabel(preferred)
    if (t) {
      const r = resolveMiniprogramLinkFromTag(t)
      if (r && r.mpKey) return t
    }
  }
  for (const t of tags) {
    const r = resolveMiniprogramLinkFromTag(t)
    if (!r || !r.mpKey) continue
    const lbl = pickLinkTagField(t, ['label'], '').toLowerCase()
    const key = String(r.mpKey || '').toLowerCase()
    const path = String(r.pagePath || '').toLowerCase()
    if (lbl.includes('mbti') || key.includes('mbti') || path.includes('mbti')) return t
  }
  return null
}

module.exports = {
  appendQueryToPath,
  getLoggedInUserPhone,
  ensureLoggedInUserPhone,
  navigateLinkedMiniprogram,
  navigateMiniprogramFromLinkTagConfig,
  findMbtiLinkTagInConfig,
  resolveLinkTagByLabel,
  resolveMiniprogramLinkFromTag,
  normalizeQueryKey,
}