import {
  encrypt,
  decrypt,
  setCookie,
  getCookie,
  deleteCookies,
  validatePurchaseData,
} from './utils'

export interface Ipurchase {
  AdNm: string // 광고주명
  ordNo: string // 주문번호
  itemId: string // 상품ID
  itemNm: string // 상품명
  sellprc: number // 판매가격
  ordAmt: number // 주문금액
  dcAmt: number // 할인가격
  rlordAmt: number // 실주문금액
  rlordQty: number // 실주문갯수
  ordState: string // 주문상태
  ordDate: string // 주문일자
  Commission: number // 수수료
  ordUniqNo?: string // 주문고유번호
  updateDate?: string // 수정일자
  Apclid?: string // 앱클릭아이디
  ChNm?: string // 매체명
}

const CPS_CONVERSION_URL = 'https://cps-web.stcps.com/api/v1/cps/conversion'

function getQueryParam(param: string): string | null {
  const urlParams = new URLSearchParams(window.location.search)
  return urlParams.get(param)
}

function _sendConversion(
  data: object,
  apclid: string,
  chNm: string,
  cookiesToDelete: string[],
): void {
  fetch(`${CPS_CONVERSION_URL}?apclid=${apclid}`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-Channel-Name': chNm,
    },
    body: JSON.stringify(data),
  })
    .then((response) => {
      if (!response.ok) {
        throw new Error(`HTTP error! Status: ${response.status}`)
      }
      return response.json()
    })
    .then(() => {
      if (cookiesToDelete.length > 0) {
        deleteCookies(...cookiesToDelete)
        console.log('삭제 후 쿠키 확인:', document.cookie)
      }
    })
    .catch((error) => {
      console.error('전송 중 오류 발생:', error)
    })
}

function init(): void {
  //Common
  const gbClick = getQueryParam('gb_click')
  const gbMedia = getQueryParam('gb_media')
  const affp1 = getQueryParam('affp1')
  const affp2 = getQueryParam('affp2')
  const affp3 = getQueryParam('affp3')
  const affp4 = getQueryParam('affp4')
  const affp5 = getQueryParam('affp5')
  //애드픽 클릭키
  const adpickClick = getQueryParam('apclid')
  const originCookieValue = `${adpickClick}`
  const originEncryptedValue = encrypt(originCookieValue)
  //쿠키오븐 클릭키
  const cookieovenClick = getQueryParam('click_key')

  // ✅ delete 조건: linkD 포함 OR utm_source 정확히 gb_cps
  const urlHasLinkD = window.location.href.includes('linkD')
  const utmSource = getQueryParam('utm_source')
  const shouldDeleteCookies =
    urlHasLinkD || (utmSource !== null && utmSource !== 'gb_cps') //url내 linkD 있거나 utm_source 정확히 gb_cps가 아닌것들들

  if (adpickClick && gbClick && gbMedia) {
    //링크디세션삭제
    sessionStorage.removeItem('yuja_real__shopping_partners_referral_code')

    //adpick & gb 둘다있을경우
    const newCookieValue = `${gbMedia}_${gbClick}`
    const encryptedValue = encrypt(newCookieValue)

    //커스텀
    const affpParams: Record<string, string | null> = {
      affp1,
      affp2,
      affp3,
      affp4,
      affp5,
    }

    //필터링
    const affpEntries = Object.entries(affpParams)
      .filter(([_, value]) => value)
      .map(([key, value]) => `${key}=${value}`)

    //삭제 (모든 CPS 쿠키 — 라스트 어트리뷰션)
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')

    //새로 생성
    setCookie('gb_cps', encryptedValue, 24)
    setCookie('apclid', originEncryptedValue, 24)
    if (affpEntries.length > 0) {
      const affpCookieValue = affpEntries.join('&')
      setCookie('affp_data', affpCookieValue, 24)
    }
  } else if (adpickClick && !gbClick && !gbMedia) {
    //gbClick,gbMedia 는없고 adpickClick만있는경우
    //adpick만있는경우 (라스트 어트리뷰션)
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')
    setCookie('apclid', originEncryptedValue, 24)
  } else if (cookieovenClick) {
    //쿠키오븐 클릭 — 라스트 어트리뷰션: 기존 모든 CPS 쿠키 초기화 후 저장
    const coIdfa = getQueryParam('idfa')
    const coGaid = getQueryParam('gaid')
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')
    setCookie('cookieoven_click', cookieovenClick, 24)
    if (coIdfa) setCookie('cookieoven_idfa', coIdfa, 24)
    if (coGaid) setCookie('cookieoven_gaid', coGaid, 24)
  } else if (getQueryParam('short_id')) {
    //Appier 클릭 — 라스트 어트리뷰션: 기존 모든 CPS 쿠키 초기화 후 저장
    const appierShortId = getQueryParam('short_id') as string
    const appierIdfa = getQueryParam('idfa')
    const appierGaid = getQueryParam('gaid')
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')
    setCookie('appier_click', appierShortId, 24)
    if (appierIdfa) setCookie('appier_idfa', appierIdfa, 24)
    if (appierGaid) setCookie('appier_gaid', appierGaid, 24)
  } else if (getQueryParam('waclick')) {
    //Waveads 클릭 — 라스트 어트리뷰션: 기존 모든 CPS 쿠키 초기화 후 저장
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')
    setCookie('waveads_click', getQueryParam('waclick') as string, 24)
    const waAffpEntries = Object.entries({ affp1, affp2, affp3, affp4, affp5 })
      .filter(([_, v]) => v)
      .map(([k, v]) => `${k}=${v}`)
    if (waAffpEntries.length > 0) {
      setCookie('affp_data', waAffpEntries.join('&'), 24)
    }
  } else if (getQueryParam('callbackParams')) {
    //카카오페이지 클릭 — 라스트 어트리뷰션: 기존 모든 CPS 쿠키 초기화 후 저장
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')
    setCookie('kakaopages_click', getQueryParam('callbackParams') as string, 24)
  } else if (getQueryParam('gc')) {
    //지니어스컴 클릭 — 라스트 어트리뷰션: 기존 모든 CPS 쿠키 초기화 후 저장
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')
    setCookie('geniuscom_click', getQueryParam('gc') as string, 24)
  } else if (shouldDeleteCookies) {
    //linkD 포함하거나 utm_source값이 있고 gb_cps가 아니면 쿠키삭제
    deleteCookies('gb_cps', 'apclid', 'affp_data', 'ADPICKCPS', 'cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid', 'appier_click', 'appier_idfa', 'appier_gaid', 'waveads_click', 'kakaopages_click', 'geniuscom_click')
  }
}

function getCookieValue(): string | null {
  const encryptedValue = getCookie('gb_cps')
  return encryptedValue ? decrypt(encryptedValue) : null
}

function originGetCookieValue(): string | null {
  const originEncryptedValue = getCookie('apclid')
  return originEncryptedValue ? decrypt(originEncryptedValue) : null
}

function purchase(data: Ipurchase) {
  const adpickCpsCookie = getCookie('apclid')
  const cookieovenCookie = getCookie('cookieoven_click')
  const appierClickCookie = getCookie('appier_click')
  const waveadsClickCookie = getCookie('waveads_click')
  const kakaopagesClickCookie = getCookie('kakaopages_click')
  const geniuscomClickCookie = getCookie('geniuscom_click')

  if (!adpickCpsCookie && !cookieovenCookie && !appierClickCookie && !waveadsClickCookie && !kakaopagesClickCookie && !geniuscomClickCookie) {
    return
  }

  //gb_cps쿠키담기기
  const gbCpsCookie = getCookie('gb_cps')
  if (gbCpsCookie) {
    const decryptedValue = decrypt(gbCpsCookie as string)
    const firstUnderscoreIndex = decryptedValue.indexOf('_')
    data.Apclid = decryptedValue.slice(firstUnderscoreIndex + 1)
    data.ChNm = decryptedValue.slice(0, firstUnderscoreIndex)
  }

  //affp쿠키가져오기
  const affpCookie = getCookie('affp_data')
  if (affpCookie) {
    const affpParams = Object.fromEntries(
      affpCookie.split('&').map((entry) => entry.split('=')),
    )
    Object.assign(data, affpParams) //`affp_data` 값을 `data` 객체에 추가
  }

  console.log('data : ', data)
  const validationError = validatePurchaseData(data)
  if (validationError) {
    console.warn(validationError)
    return
  }

  const apclid = data.Apclid ?? ''
  const chNm = data.ChNm ?? ''
  const sendData = { ...data }
  delete sendData.Apclid
  delete sendData.ChNm

  //애드픽/GB 전환 전송
  if (adpickCpsCookie) {
    _sendConversion(sendData, apclid, chNm, ['gb_cps', 'apclid', 'affp_data', 'ADPICKCPS'])
  }

  //쿠키오븐 전환 전송 (기존 로직과 독립적으로 동작)
  if (cookieovenCookie) {
    const coData = { ...sendData }
    const coIdfa = getCookie('cookieoven_idfa')
    const coGaid = getCookie('cookieoven_gaid')
    if (coIdfa) (coData as Record<string, unknown>).idfa = coIdfa
    if (coGaid) (coData as Record<string, unknown>).gaid = coGaid
    _sendConversion(coData, cookieovenCookie, 'cookieoven', ['cookieoven_click', 'cookieoven_idfa', 'cookieoven_gaid'])
  }

  //Appier 전환 전송 — short_id 파라미터로 랜딩한 경우
  if (appierClickCookie) {
    const appierData = { ...sendData }
    const appierIdfa = getCookie('appier_idfa')
    const appierGaid = getCookie('appier_gaid')
    if (appierIdfa) (appierData as Record<string, unknown>).idfa = appierIdfa
    if (appierGaid) (appierData as Record<string, unknown>).gaid = appierGaid
    _sendConversion(appierData, appierClickCookie, 'appier', ['appier_click', 'appier_idfa', 'appier_gaid'])
  }

  //Waveads 전환 전송 — waclick 파라미터로 랜딩한 경우
  if (waveadsClickCookie) {
    _sendConversion(sendData, waveadsClickCookie, 'waveads', ['waveads_click'])
  }

  //카카오페이지 전환 전송 — callbackParams 파라미터로 랜딩한 경우
  if (kakaopagesClickCookie) {
    _sendConversion(sendData, kakaopagesClickCookie, 'kakaopages', ['kakaopages_click'])
  }

  //지니어스컴 전환 전송 — gc 파라미터로 랜딩한 경우
  if (geniuscomClickCookie) {
    _sendConversion(sendData, geniuscomClickCookie, 'geniuscom', ['geniuscom_click'])
  }
}

function purchaseCancel(data: Ipurchase) {
  // 구매취소는 purchase 성공 후 쿠키가 이미 삭제된 상태이므로 쿠키 체크 없이 전송
  // Kafka consumer에서 ordNo로 원본 구매 건과 매핑
  console.log('purchaseCancel data : ', data)
  const validationError = validatePurchaseData(data)
  if (validationError) {
    console.warn(validationError)
    return
  }
  const sendData = { ...data }
  delete sendData.Apclid
  delete sendData.ChNm
  _sendConversion(sendData, '', '', [])
}

// 자동 실행 (사용자가 직접 호출할 필요 없이 작동)
init()

export default { init, getCookieValue, originGetCookieValue, purchase, purchaseCancel }