import { sysdictPage } from '@/api/index.js'

export const MOBILE_DEPOSIT_OTHER_PAYMENT_CONFIG_TYPE = 'MobileDepositOtherPaymentConfig'
export const MOBILE_PROVIDER_TYPE = 'WechatMiniProgram'
export const DEPOSIT_OTHER_PAYMENT_CONFIG_KEY = 'depositOtherPayment'

function normalizeText(value) {
  return String(value || '').trim()
}

function parseJsonStringMaybe(value) {
  const text = normalizeText(value)
  if (!text) {
    return {}
  }
  try {
    const parsed = JSON.parse(text)
    return parsed && typeof parsed === 'object' && !Array.isArray(parsed) ? parsed : {}
  } catch (error) {
    return {}
  }
}

function normalizeRows(response) {
  const payload = response && response.data !== undefined ? response.data : response
  if (Array.isArray(payload)) {
    return payload
  }
  if (payload && Array.isArray(payload.data)) {
    return payload.data
  }
  if (payload && payload.data && Array.isArray(payload.data.data)) {
    return payload.data.data
  }
  return []
}

function getProviderType(row = {}) {
  return normalizeText(row.providerType || row.ProviderType)
}

export function createDefaultDepositOtherPaymentConfig() {
  return {
    code: '',
    key: DEPOSIT_OTHER_PAYMENT_CONFIG_KEY,
    phone: '',
    qrCode: '',
    contentZh: '',
    contentEn: ''
  }
}

export function normalizeDepositOtherPaymentConfig(row = {}) {
  const defaults = createDefaultDepositOtherPaymentConfig()
  const extra = parseJsonStringMaybe(row.extraInfo || row.extraConfig || row.ExtraConfig)

  return {
    code: normalizeText(row.code),
    key: normalizeText(row.key) || defaults.key,
    phone: normalizeText(extra.phone || row.description),
    qrCode: normalizeText(extra.qrCode || extra.qrCodeImage || extra.qrImage),
    contentZh: normalizeText(extra.contentZh || extra.content || defaults.contentZh),
    contentEn: normalizeText(extra.contentEn || defaults.contentEn)
  }
}

function findMatchedRow(rows = []) {
  const providerRows = rows.filter(item => getProviderType(item) === MOBILE_PROVIDER_TYPE)
  const legacyRows = rows.filter(item => !getProviderType(item))
  return (
    providerRows.find(item => normalizeText(item && item.key) === DEPOSIT_OTHER_PAYMENT_CONFIG_KEY)
    || providerRows[0]
    || legacyRows.find(item => normalizeText(item && item.key) === DEPOSIT_OTHER_PAYMENT_CONFIG_KEY)
    || legacyRows[0]
    || null
  )
}

export function loadDepositOtherPaymentConfig(language) {
  return sysdictPage({
    Type: MOBILE_DEPOSIT_OTHER_PAYMENT_CONFIG_TYPE,
    ProviderType: MOBILE_PROVIDER_TYPE,
    PageIndex: 1,
    PageSize: 100
  }, language).then((response) => {
    const rows = normalizeRows(response)
    const matchedRow = findMatchedRow(rows)
    return normalizeDepositOtherPaymentConfig(matchedRow || {})
  })
}