const axios = require('axios');
const Logs = require('../libs/logs');

const GAMES = {
  Leagues: {},
  List: {},
  Baselist: {}
};

/**
 * 精确浮点数字
 * @param {number} number
 * @param {number} x
 * @returns {number}
 */
const fixFloat = (number, x=2) => {
  return parseFloat(number.toFixed(x));
}

/**
 * 获取市场类型
 */
const getMarketType = (mk) => {
  return mk == 0 ? 'early' : 'today';
}

/**
 * 更新联赛列表
 */
const syncLeaguesList = ({ mk, leagues }) => {
  axios.post('https://api.isthe.me/api/p/syncLeague', { mk, leagues })
  .then(res => {
    Logs.out('syncLeaguesList', res.data);
  })
  .catch(err => {
    Logs.out('syncLeaguesList', err.message);
  });
}
const updateLeaguesList = ({ mk, leagues }) => {
  const leaguesList = GAMES.Leagues;
  if (JSON.stringify(leaguesList[mk]) != JSON.stringify(leagues)) {
    leaguesList[mk] = leagues;
    syncLeaguesList({ mk, leagues });
    return leagues.length;
  }
  return 0;
}

/**
 * 获取筛选过的联赛
 */
const getFilteredLeagues = async (mk) => {
  return axios.get(`https://api.isthe.me/api/p/getLeagueTast?mk=${mk}`)
  .then(res => {
    if (res.data.code == 0) {
      return res.data.data;
    }
    return Promise.reject(new Error(res.data.message));
  });
}

/**
 * 同步比赛列表到服务器
 */
const syncGamesList = ({ platform, mk, games }) => {
  axios.post('https://api.isthe.me/api/p/syncGames', { platform, mk, games })
  .then(res => {
    Logs.out('syncGamesList', res.data);
  })
  .catch(err => {
    Logs.out('syncGamesList', err.message);
  });
}

/**
 * 同步基准比赛列表
 */
const syncBaseList = ({ marketType, games }) => {
  const baseList = GAMES.Baselist;
  if (!baseList[marketType]) {
    baseList[marketType] = games;
  }

  const newMap = new Map(games.map(item => [item.eventId, item]));

  // 删除不存在的项
  for (let i = baseList[marketType].length - 1; i >= 0; i--) {
    if (!newMap.has(baseList[marketType][i].eventId)) {
      baseList[marketType].splice(i, 1);
    }
  }

  // 添加或更新
  const oldIds = new Set(baseList[marketType].map(item => item.eventId));
  games.forEach(game => {
    if (!oldIds.has(game.eventId)) {
      // 添加新项
      baseList[marketType].push(game);
    }
  });
}

/**
 * 更新比赛列表
 */
const updateGamesList = (({ platform, mk, games } = {}) => {
  return new Promise((resolve, reject) => {
    if (!platform || !games) {
      return reject(new Error('PLATFORM_GAMES_INVALID'));
    }

    const marketType = getMarketType(mk);

    syncGamesList({ platform, mk, games });

    if (platform == 'ps') {
      syncBaseList({ marketType, games });
    }

    resolve();
  });
});

/**
 * 同步基准盘口
 */
const syncBaseEvents = ({ marketType, games, outrights }) => {
  const baseList = GAMES.Baselist;
  if (!baseList[marketType]) {
    return;
  }

  const baseMap = new Map(baseList[marketType].map(item => [item.eventId, item]));

  games?.forEach(game => {
    const { eventId, evtime, events } = game;
    const baseGame = baseMap.get(eventId);
    if (baseGame) {
      baseGame.evtime = evtime;
      baseGame.events = events;
    }
  });

  outrights?.forEach(outright => {
    const { parentId, sptime, special } = outright;
    const baseGame = baseMap.get(parentId);
    if (baseGame) {
      baseGame.sptime = sptime;
      baseGame.special = special;
    }
  });
}

/**
 * 更新比赛盘口
 */
const updateGamesEvents = ({ platform, mk, games, outrights }) => {
  return new Promise((resolve, reject) => {
    if (!platform || (!games && !outrights)) {
      return reject(new Error('PLATFORM_GAMES_INVALID'));
    }

    const marketType = getMarketType(mk);

    if (platform == 'ps') {
      syncBaseEvents({ marketType, games, outrights });
    }

    resolve();
  });
}

/**
 * 获取关联比赛
 */
const getGamesRelation = () => {
  return [];
}


module.exports = {
  updateLeaguesList, getFilteredLeagues,
  updateGamesList, updateGamesEvents,
  getGamesRelation,
}