const db = require('../config/db');
const initModels = require('./../models/init-models');
const { AvailableAccommodationIds, AccommodationsDetails, Availability } = require('../vendor/heytrip');
const { isEmpty } = require('../utils/commons');
const { resolveDetails, resolveRatePlans } = require('../helper/heytripDataHelper');
const { DEFAULT_LGC, LGC_MAPPED } = require('../config/constants');

const { sequelize: Sequelize, Op } = db;

const models = initModels(Sequelize);

const Country = models.countryModel;
const City = models.cityModel;

const HeytripIds = models.heytripIdsModel;
const Hotelinfo = models.hotelinfoModel;
const Hotelinfo2 = models.hotelinfo2Model;
const Rooms = models.roomsModel;
const Facility = models.facilityModel;
const Images = models.imagesModel;
const Informations = models.informationsModel;
const Reviews = models.reviewsModel;
const ReviewsSummaries = models.reviewsSummariesModel;
const Locations = models.locationsModel;
// const CacheAvailability = models.cacheAvailabilityModel;

// HeytripIds.hasMany(Hotelinfo, {
//   foreignKey: 'hotel_id',
//   onDelete: 'NO ACTION',
//   onUpdate: 'NO ACTION',
// });
// Hotelinfo.belongsTo(HeytripIds, { as: 'aid', foreignKey: 'hotel_id', onDelete: 'NO ACTION', onUpdate: 'NO ACTION' });
// Hotelinfo.hasMany(Rooms, { sourceKey: 'hotel_id', foreignKey: 'hotel_id', onDelete: 'NO ACTION', onUpdate: 'NO ACTION' });
// Rooms.belongsTo(Hotelinfo, { targetKey: 'hotel_id', foreignKey: 'hotel_id', onDelete: 'NO ACTION', onUpdate: 'NO ACTION',  });
Hotelinfo.hasMany(Hotelinfo2, { as: 'lgc_info', sourceKey: 'hotel_id', foreignKey: 'hotel_id', onDelete: 'NO ACTION', onUpdate: 'NO ACTION' });
Hotelinfo.hasMany(City, { as: 'city', sourceKey: 'city_id', foreignKey: 'id', onDelete: 'NO ACTION', onUpdate: 'NO ACTION', }); // 多语种, 所以实际是 hasMany , 用 hasOne 要指定 lgc= 1 或者2
Hotelinfo.hasMany(Country, { as: 'country', sourceKey: 'country_code', foreignKey: 'id', onDelete: 'NO ACTION', onUpdate: 'NO ACTION', }); // 多语种, 所以实际是 hasMany , 用 hasOne 要指定 lgc= 1 或者2
// Hotelinfo2.belongsTo(Hotelinfo, { targetKey: 'hotel_id', foreignKey: 'hotel_id', onDelete: 'NO ACTION', onUpdate: 'NO ACTION',  });

class Heytrip {
  /**
   * 搜索酒店
   */
  hotelSearch = async (keyword, options) => {
    const keywordSplit = keyword.split(' ');
    const keywordWhere = (field) => keywordSplit.map((word) => Sequelize.where(Sequelize.fn('instr', Sequelize.col(field), word), { [Op.gt]: 0 }));
    // 'hotelinfo.address'
    const keywordSearch = ['hotelinfo.hotel_name', ].map((field) => ({ [Op.and]: keywordWhere(field) }));
    const keywordOrder = ['hotelinfo.hotel_name',].reduce((ro, field) => ro.concat(keywordSplit.map((word) => Sequelize.fn('instr', Sequelize.col(field), word))), []);

    // const keywordSearchCount = ['hi2_hotel_name', 'hi2_address'].map((field) => ({ [Op.and]: keywordWhere(field) }));
    // const countRows = await Hotelinfo2.count({
    //   where: {
    //     [Op.or]: keywordSearchCount,
    //   },
    //   // distinct: true,
    //   group: ['hotel_id'],
    // });
    // const count = countRows.length;
    // const findIds = countRows.map((item) => item.hotel_id);

    const { count, rows } = await Hotelinfo.findAndCountAll({
      // const [ rows ] = await Hotelinfo.findAll({
      include: [
        {
          model: Hotelinfo2,
          as: 'lgc_info',
          attributes: [
            ['hi2_sn', 'sn'],
            'hotel_id',
            'lgc',
            'locale',
            ['hi2_hotel_name', 'hotel_name'],
            ['hi2_address', 'address'],
            ['hi2_description', 'description'],
            ['h2_review_desc', 'review_desc'],
            ['h2_location_highlight_desc', 'location_highlight_desc'],
          ],
          required: false,
          separate: true,
        },
        { model: City, as: 'city', attributes: ['id', 'name'], where: { lgc: 2 }, required: false, separate: true,  },
        { model: Country, as: 'country', attributes: ['id', 'name'], where: { lgc: 2 }, required: false, separate: true,  },
      ],
      // include: [{ model: Hotelinfo2, as: 'h2', required: true }],
      where: {
        [Op.or]: keywordSearch,
        // hotel_id: findIds,
      },
      order: keywordOrder,
      ...options,
      // raw: true,
      nest: true,
    });

    return { count, rows: rows.map((item) => item.dataValues) };
    // return { count, rows };
  };

  getLastPageIndex = async () => {
    const ret = await HeytripIds.max('page_index');
    return ret;
  };

  syncAids = async () => {
    const lastPageIndex = await this.getLastPageIndex();
    const pageIndex = lastPageIndex + 1;

    const ids = await AvailableAccommodationIds(pageIndex);
    if (isEmpty(ids)) {
      return {
        nextPage: false,
        pageIndex,
      };
    }

    const insertRows = ids.map((id) => ({ hotel_id: id, page_index: pageIndex }));
    await HeytripIds.bulkCreate(insertRows);

    return {
      nextPage: true,
      pageIndex,
    };
  };

  newHotels = async () => {
    const [rows] = await Sequelize.query(
      'SELECT i.hotel_id, IFNULL(h.hi_sn ,0) info_exists FROM heytrip_ids as i LEFT JOIN hotelinfo AS h ON h.hotel_id = i.hotel_id WHERE h.hi_sn IS NULL AND update_flag != 0 ORDER BY info_exists LIMIT 10'
    );
    return rows;
  };

  newHotelsLgc = async (lgc) => {
    // const [rows] = await Sequelize.query(
    //   `SELECT h.hotel_id
    //     FROM hotelinfo AS h
    //     LEFT JOIN hotelinfo2 AS h2 ON h.hotel_id =h2.hotel_id
    //     AND h2.lgc = ${lgc}
    //     WHERE h2.hi2_sn IS NULL LIMIT 10`
    // );
    const [rows] = await Sequelize.query(
      `SELECT i.hotel_id ,IFNULL(h.hi2_sn, 0) info_exists
        FROM heytrip_ids AS i
        LEFT JOIN hotelinfo2 AS h ON h.hotel_id = i.hotel_id
          AND h.lgc = ${lgc}
        WHERE h.hi2_sn IS NULL
          AND update_flag != 99
        ORDER BY info_exists LIMIT 10`
    );
    const res = await this.syncInitHotelLgcDetailsAction(rows, LGC_MAPPED[lgc]);
    return res;
  };

  chinaHotels = async () => {
    const [rows] = await Sequelize.query(
      'SELECT i.hotel_id, IFNULL(h.hi_sn ,0) info_exists FROM heytrip_ids as i LEFT JOIN hotelinfo AS h ON h.hotel_id = i.hotel_id WHERE h.hi_sn IS NULL AND update_flag != 0 AND i.hotel_id > 20000000 ORDER BY info_exists LIMIT 10'
    );
    const res = await this.syncInitHotelDetailsAction(rows, LGC_MAPPED['2']);
    return res;
  };
  chinaHotelsLgc2 = async (lgc) => {
    // const [rows] = await Sequelize.query(
    //   `SELECT h.hotel_id
    //     FROM hotelinfo AS h
    //     LEFT JOIN hotelinfo2 AS h2 ON h.hotel_id =h2.hotel_id
    //     AND h2.lgc = ${lgc}
    //     WHERE h2.hi2_sn IS NULL LIMIT 10`
    // );
    const [rows] = await Sequelize.query(
      `SELECT i.hotel_id ,IFNULL(h.hi2_sn, 0) info_exists
        FROM heytrip_ids AS i
        INNER JOIN hotelinfo AS h1 ON h1.hotel_id =i.hotel_id
        LEFT JOIN hotelinfo2 AS h ON h.hotel_id = i.hotel_id
          AND h.lgc = ${lgc}
        WHERE h.hi2_sn IS NULL
          AND update_flag != 99
          AND h1.country_code ='CN'
          -- AND i.hotel_id > 20000000
        ORDER BY info_exists LIMIT 10`
    );
    const res = await this.syncInitHotelLgcDetailsAction(rows, LGC_MAPPED[lgc]);
    return res;
  };

  syncInitHotelDetailsAction = async (rows, lgcObj = LGC_MAPPED[DEFAULT_LGC]) => {
    let allIds = [];
    try {

      allIds = rows.map((item) => item.hotel_id);
      const updateIds = rows.filter((item) => item.info_exists !== 0).map((item) => item.hotel_id);
      const newIds = rows.filter((item) => item.info_exists === 0).map((item) => item.hotel_id);

      if (isEmpty(rows)) {
        return { next: !isEmpty(allIds), data: allIds };
      }
      const res = await AccommodationsDetails({
        Language: lgcObj.locale,
        AccommodationIds: allIds,
      });

      const resIds = res.map((item) => item.HotelId);
      // hotel info
      const insertData = extractDetails(res, lgcObj);
      // return insertData; // debug: 0

      /** 开始Database */
      const sequelizeOptions = { logging: false };
      const result = await Sequelize.transaction(async t => {
        let Info;
        if ( ! isEmpty(insertData.info)) Info = await Hotelinfo.bulkCreate(insertData.info, sequelizeOptions);
        if ( ! isEmpty(insertData.info2)) await Hotelinfo2.bulkCreate(insertData.info2, sequelizeOptions);
        if ( ! isEmpty(insertData.rooms)) await Rooms.bulkCreate(insertData.rooms, sequelizeOptions);
        if ( ! isEmpty(insertData.images)) await Images.bulkCreate(insertData.images, sequelizeOptions);
        if ( ! isEmpty(insertData.facility)) await Facility.bulkCreate(insertData.facility, sequelizeOptions);
        if ( ! isEmpty(insertData.infos)) await Informations.bulkCreate(insertData.infos, sequelizeOptions);
        if ( ! isEmpty(insertData.reviews)) await Reviews.bulkCreate(insertData.reviews, sequelizeOptions);
        if ( ! isEmpty(insertData.reviews_summaries)) await ReviewsSummaries.bulkCreate(insertData.reviews_summaries, sequelizeOptions);
        if ( ! isEmpty(insertData.locations)) await Locations.bulkCreate(insertData.locations, sequelizeOptions);
        if ( ! isEmpty(allIds)) await HeytripIds.update({ update_flag: 0 }, { where: { hotel_id: allIds } });
        return Info;
      });

      return { next: !isEmpty(allIds), data: allIds };

    } catch (error) {
      console.log(error);

      return { next: false, data: allIds };
    }
  }

  syncInitHotelLgcDetailsAction = async (rows, lgcObj = LGC_MAPPED[DEFAULT_LGC]) => {
    let allIds = [];
    try {

      allIds = rows.map((item) => item.hotel_id);
      if (isEmpty(rows)) {
        return { next: !isEmpty(allIds), data: allIds };
      }
      const _BaseInfoExists = await Hotelinfo.findAll({ where: { hotel_id: allIds } });
      const updateIds = _BaseInfoExists.map((item) => `${item.hotel_id}`);
      console.log('updateIds', updateIds);


      const res = await AccommodationsDetails({
        Language: lgcObj.locale,
        AccommodationIds: allIds,
      });

      const resIds = res.map((item) => item.HotelId);
      // hotel info
      const insertData = resolveDetails(res, lgcObj);
      // return insertData; // debug: 0

      /** 开始Database */
      const result = await Sequelize.transaction(async transaction => {
        const sequelizeOptions = { logging: false, transaction };
        let Info;

        const newInfo = insertData.info.filter(iitem => !updateIds.includes(`${iitem.hotel_id}`));
        console.log('newInfo', newInfo.map(xx => xx.hotel_id));
        if ( ! isEmpty(newInfo)) Info = await Hotelinfo.bulkCreate(newInfo, sequelizeOptions);

        if ( ! isEmpty(insertData.info2)) await Hotelinfo2.bulkCreate(insertData.info2, sequelizeOptions);
        if ( ! isEmpty(insertData.rooms)) await Rooms.bulkCreate(insertData.rooms, sequelizeOptions);
        if ( ! isEmpty(insertData.images)) await Images.bulkCreate(insertData.images, sequelizeOptions);
        if ( ! isEmpty(insertData.facility)) await Facility.bulkCreate(insertData.facility, sequelizeOptions);
        if ( ! isEmpty(insertData.infos)) await Informations.bulkCreate(insertData.infos, sequelizeOptions);
        if ( ! isEmpty(insertData.reviews)) await Reviews.bulkCreate(insertData.reviews, sequelizeOptions);
        if ( ! isEmpty(insertData.reviews_summaries)) await ReviewsSummaries.bulkCreate(insertData.reviews_summaries, sequelizeOptions);
        if ( ! isEmpty(insertData.locations)) await Locations.bulkCreate(insertData.locations, sequelizeOptions);

        if ( ! isEmpty(newInfo)) await HeytripIds.update({ update_flag: 0 }, { where: { hotel_id: newInfo.map(x => x.hotel_id) } });

        return Info;
      });

      return { next: !isEmpty(allIds), data: allIds };

    } catch (error) {
      console.log(error);

      return { next: false, data: allIds };
    }
  };

  getHotelAvailability = async (param) => {
    const { hotel_id, checkin, checkout, adults, children_ages, rooms, nationality } = param;
    const paramBody = {
      Language: 'en-US',
      // Language: 'zh-CN',
      AccommodationIds: [Number(hotel_id)],
      CheckInDate: checkin,
      CheckOutDate: checkout,
      Nationality: nationality || 'CN', // 默认取中国报价
      NumberOfAdults: adults || 1,
      ChildrenAges: children_ages || null, // 入住每个儿童年龄 [6,8]
      // ChildrenAges: null,
      NumberOfRooms: rooms || 1,
      Currency: 'CNY',
    };
    const _quoteRes = await Availability(paramBody);
    const quoteRes = resolveRatePlans(_quoteRes);
    return quoteRes;
  };
}
module.exports = new Heytrip();