import { fork } from "child_process";

import Store from "../state/store.js";
import ProcessData from "../libs/processData.js";
import Logs from "../libs/logs.js";

// import { getPlatformIorInfo } from "./Markets.js";

const getChildOptions = (inspect=9230) => {
  return process.env.NODE_ENV == 'development' ? {
    execArgv: [`--inspect=${inspect}`],
    stdio: ['pipe', 'pipe', 'pipe', 'ipc']
  } : {
    stdio: ['pipe', 'pipe', 'pipe', 'ipc']
  };
}

const triangleProcess = fork("triangle/main.js", [], getChildOptions(9229));
const triangleData = new ProcessData(triangleProcess, 'triangle');

triangleData.registerResponse('gamesRelations', async () => {
  const gamesRelations = Object.values(Store.get('gamesRelations') ?? {});
  const polymarketOdds = Store.get('polymarket', 'odds') ?? {};
  const pinnacleOdds = Store.get('pinnacle', 'odds') ?? {};
  const expireTime = Date.now() - 1000 * 15;
  const { games: polymarketGames = [], timestamp: polymarketTimestamp = 0 } = polymarketOdds;
  const { games: pinnacleGames = [], timestamp: pinnacleTimestamp = 0 } = pinnacleOdds;
  const polymarketOddsMap = polymarketTimestamp > expireTime ? new Map(polymarketGames.map(item => [item.id, item])) : new Map();
  const pinnacleOddsMap = pinnacleTimestamp > expireTime ? new Map(pinnacleGames.map(item => [item.id, item])) : new Map();
  const newRelations = gamesRelations.map(relation => {
    const { platforms: { polymarket, pinnacle }, ...rest } = relation;
    const polymarketId = polymarket.id;
    const pinnacleId = pinnacle.id;
    const polymarketOdds = polymarketOddsMap.get(polymarketId)?.odds;
    const pinnacleOdds = pinnacleOddsMap.get(pinnacleId)?.odds;
    return { ...rest, platforms: {
      polymarket: { ...polymarket, odds: polymarketOdds, evtime: polymarketTimestamp },
      pinnacle: { ...pinnacle, odds: pinnacleOdds, evtime: pinnacleTimestamp },
    }};
  });
  return Promise.resolve(newRelations);
});

triangleData.registerRequest('solutions', solutions => {
  const oldSolutions = new Map((Store.get('solutions') ?? []).map(item => [item.sid, item]));
  const newSolutions = new Map(solutions.map(item => [item.sid, item]));
  const changed = {
    add: [],
    update: [],
    remove: [],
  }
  oldSolutions.forEach((item, sid) => {
    if (!newSolutions.has(sid)) {
      changed.remove.push(sid);
    }
    else if (newSolutions.get(sid).sol.win_profit_rate != item.sol.win_profit_rate || JSON.stringify(newSolutions.get(sid).cpr) != JSON.stringify(item.cpr)) {
      changed.update.push(sid);
    }
  });
  newSolutions.forEach((item, sid) => {
    if (!oldSolutions.has(sid)) {
      changed.add.push(sid);
    }
  });
  if (changed.update.length || changed.add.length || changed.remove.length) {
    Store.set('solutions', solutions);
  }
});

/**
 * 通用的平台数据更新函数
 * @param {string} platform - 平台名称
 * @param {Array} newItems - 新的数据项数组
 * @param {string} storeKey - Store 中的键名
 * @returns {Promise}
 */
const updatePlatformData = async ({ platform, newItems, storeKey }) => {
  if (!platform || !newItems?.length) {
    return Promise.reject(new Error('invalid request', { cause: 400 }));
  }

  let changed = false;
  const storeData = Store.get(storeKey) ?? {};
  const { [platform]: storePlatformItems = [] } = storeData;
  const storePlatformItemsMap = new Map(storePlatformItems.map(item => [item.id, item]));
  const newPlatformItemsMap = new Map(newItems.map(item => [item.id, item]));

  // 删除不存在的项
  storePlatformItemsMap.forEach(item => {
    if (!newPlatformItemsMap.has(item.id)) {
      storePlatformItemsMap.delete(item.id);
      changed = true;
    }
  });

  // 添加新的项
  newPlatformItemsMap.forEach(item => {
    if (!storePlatformItemsMap.has(item.id)) {
      storePlatformItemsMap.set(item.id, item);
      changed = true;
    }
  });

  // 更新 Store 中的数据
  if (changed) {
    const updatedPlatformItems = Array.from(storePlatformItemsMap.values());
    storeData[platform] = updatedPlatformItems;
    Store.set(storeKey, storeData);
  }

  return Promise.resolve();
};

/**
 * 更新联赛数据
 * @param {string} platform - 平台名称
 * @param {Array} leagues - 联赛数据
 * @returns
 */
export const updateLeagues = async ({ platform, leagues }) => {
  return updatePlatformData({ platform, newItems: leagues, storeKey: 'leagues' });
};

/**
 * 获取过滤后的联赛数据
 * @param {string} platform - 平台名称
 * @returns
 */
export const getFilteredLeagues = async (platform) => {
  const polymarketLeagues = Store.get('polymarket', 'leagues') ?? [];
  const polymarketLeaguesSet = new Set(polymarketLeagues.map(item => item.id));
  const leaguesRelations = Store.get('leaguesRelations') ?? {};
  const filteredLeagues = Object.values(leaguesRelations).filter(relation => {
    return polymarketLeaguesSet.has(relation.platforms.polymarket.id);
  }).map(relation => relation.platforms[platform]);
  return filteredLeagues;
}

/**
 * 更新比赛数据
 * @param {string} platform - 平台名称
 * @param {Array} games - 比赛数据
 * @returns
 */
export const updateGames = async ({ platform, games }) => {
  return updatePlatformData({ platform, newItems: games, storeKey: 'games' });
};

/**
 * 获取过滤后的比赛数据
 * @param {string} platform - 平台名称
 * @returns
 */
export const getFilteredGames = async (platform) => {
  const gamesRelations = Store.get('gamesRelations') ?? {};
  const filteredGames = Object.values(gamesRelations).map(relation => relation.platforms[platform]);
  return filteredGames;
}

/**
 * 更新赔率数据
 * @param {string} platform - 平台名称
 * @param {Array} games - 赔率数据
 * @param {number} timestamp - 时间戳
 * @returns
 */
export const updateOdds = async ({ platform, games, timestamp }) => {
  Store.set(platform, { games, timestamp }, 'odds');
  return Promise.resolve();
};

export default {
  updateLeagues, getFilteredLeagues,
  updateGames, getFilteredGames,
  updateOdds,
};