'use strict';

const User = require('../user/user.model');
const Action = require('../action/action.model');
const Fund = require('./fund.model');
const { createAction } = require('../action/action.handler');
const { createTicket } = require('../ticket/ticket.handler');
const { deriveNewAccount } = require('../../utils/account');
const actionFilter = 'id type amount detail op createdAt';
const { inject } = require('../../common/Provider');
const ETH = require('../../utils/erc20').ERC20;
const { USDTAddr } = require('../../common/constant');
const { calRevenueLastday, getActiveFund } = require('./fund.handler');
const { getDate } = require('../../utils/date');

const depositCoinsList = [{
    id: 'usdtETH',
    label: 'usdtETH',
    rate: '1'
}];
const withdrawCoinsList = [{
    id: 'vic',
    label: 'vic',
    fee: 0.005
}, {
    id: 'usdt',
    label: 'usdt',
    fee: 0.005
}];

module.exports = {
    async getFundDetail (req, res) {
        const { userId } = res.locals.user;
        return Fund.findOne({ userId }, 'asset').then(fund => {
            return res.json({
                code: 0,
                msg: 'success',
                data: fund && fund.asset
            });
        }).catch(err => {
            mylog.error("[getFundDetail]", err);
            return res.json({
                code: 1,
                error: err.errmsg
            });
        });
    },
    async getActions (req, res) {
        const { userId } = res.locals.user;
        const { pageIndex = 1, pageSize = 0 } = req.query;
        return await Action.find({
            userId
        }, actionFilter).skip((+pageIndex - 1) * +pageSize).limit(+pageSize)
        .exec().then(data => {
            return res.json({
                code: 0,
                data
            });
        })
        .catch(err => {
            return res.json({
                code: 1,
                error: err.errmsg
            }); 
        });
    },
    async getActionDetail (req, res) {
        const { id } = req.query;
        return await Action.findById(id, actionFilter).exec().then(data => {
            res.json({
                code: 0,
                data
            });
        }).catch(err => res.json({
            code: 1,
            error: err.errmsg
        }));
    },
    async getSupportCoinsList (req, res) {
        // eslint-disable-next-line no-undef
        return res.json({
            code: 0,
            data: depositCoinsList
        });
    },
    async withdraw (req, res) {
        /** 
         * 1.创建工单
         * 2.创建用户action
         * 3.返回状态
        */
        const { userId } = res.locals.user;
        const { coinId, targetAddress, amount, password } = req.body;
        // 暂且硬编码支持币种！！！！
        if (!coinId || !targetAddress || !amount || !password) return res.json({
            code: 6,
            msg: '缺少必要参数',
            error: '缺少必要参数'
        });
        if (!Number.isFinite(+amount) || !Number.isSafeInteger(+amount) || Number.isNaN(+amount)) return res.json({
            code: 5,
            msg: '非法额度',
            error: '非法额度'
        });
        if (coinId !== 'usdt' && coinId !== 'vic') return res.json({
            code: 4,
            msg: '不支持的提现币种',
            error: '不支持的提现币种',
        });
        const [user, fund] = await Promise.all([User.findById(userId), Fund.findOne({ userId })]);
        if (
            (coinId === 'vic' && amount < 1000)
            ||
            (coinId === 'usdt' && fund.lastWithdraw.usdt || (new Date() - new Date(fund.lastWithdraw.usdt)) / (1000 * 3600 * 24 * 7) >= 1)
        ) {
            return res.json({
                code: 4,
                msg: '不满足提现条件',
                error: '不满足提现条件',
            });
        }
        if (user.fundPwd !== password) return res.json({
            code: 1,
            msg: '资金密码错误',
            error: '资金密码错误',
        });
        const cost = +amount * 1.005;
        if (fund.asset && +fund.asset[coinId] < cost) return res.json({
            code: 2,
            msg: '资金不足',
            error: 'insufficient fund'
        });
        const action = createAction(3, { userId, amount, remain: fund.asset, op: 0, detail: { targetAddress, coinId } });
        const ticket = createTicket('withdraw', { userId, amount: +amount, action, targetAddress, coinId });
        try {
            await fund.decrease(coinId, cost);
        } catch (error) {
            mylog.error('[Fund提现] ', error);
            action.detail = { error };
            await action.save();
            return res.json({
                code: 3,
                msg: '扣款失败',
                error: JSON.stringify(error)
            });
        }
        return await Promise.all([ticket.save(), action.save()]).then(() => {
            return res.json({
                code: 0,
                msg: '工单已创建'
            });
        }).catch(err => {
            return res.json({
                code: 3,
                msg: '工单创建失败',
                error: JSON.stringify(err)
            });
        });
    },
    getDepositAddress: inject(function (SysConfig) {
        const { ROOTSECWORD } = SysConfig;
        if (!ROOTSECWORD) throw new Error('ROOTSECWORD is required');
        return async (req, res) => {
            const { userId } = res.locals.user;
            const userFund = await Fund.findOne({userId}).exec();
            let data = userFund.tokenAddress;
            if (!data.usdtBTC || !data.usdtETH) {
                const seed = parseInt(userId.substring(0, 8), 16).toString().slice(4); //前4位与Date.now前4位重复;
                const btc = deriveNewAccount(ROOTSECWORD, { coin: 'BTC', seed });
                const eth = deriveNewAccount(ROOTSECWORD, { coin: 'ETH', seed });
                const fund = await Fund.findOneAndUpdate({userId}, {
                    $set: {
                        tokenAddress: {
                            usdtBTC: btc,
                            usdtETH: eth
                        }
                    }
                }, { returnOriginal: false }).exec().catch(err => {
                    mylog.error(err);
                    return null;
                });
                data = fund && fund.tokenAddress;
            }
            return data ? res.json({
                code: 0,
                data: Object.keys(data).map(key => {
                    return {
                        id: key,
                        label: key,
                        address: data[key] && data[key].address
                    };
                })
            }) : res.json({
                code: 500,
                msg: '系统错误'
            });
        };
    }),
    async getWithdrawCoinsList (req, res) {
        const { userId } = res.locals.user;
        const userFund = await Fund.findOne({userId}).exec();
        const asset = userFund.asset;
        const list = [];
        (asset['vic'] >= 1000) && list.push(withdrawCoinsList[0]);
        (asset['usdt'] > 0 && (!userFund.lastWithdraw.usdt || (new Date() - new Date(userFund.lastWithdraw.usdt)) / (1000 * 3600 * 24 * 7) >= 1)) && list.push(withdrawCoinsList[1]);
        return res.json({
            code: 0,
            data: list
        });
    },
    // 查询资金，直接拉数据库，区块链的查询交给定时任务
    async refreshFund (req, res) {
        // todo: 要求刷新程序去刷新
        const { userId } = res.locals.user;
        const { inviter } = req.query;
        const fund = await Fund.findOne({ userId }).exec();
        const tokenAddress = fund && fund.tokenAddress;
        if(!tokenAddress || !tokenAddress['usdtETH']) return res.json({
            code: 0,
            data: fund.fundList
        });
        const { hasNew, list } = fund.hasNewDeposit();
        if (!hasNew) {
            const [ start, end ] = getDate(1);
            const actions = await Action.find({ userId, type: 1, createdAt: { $gt: start, $lt: end } });
            // 计算昨日收益
            let revenueLastday = calRevenueLastday(actions);
            // 筛选有效矿晶      
            let activeFund = getActiveFund(fund.fundList);    
            return res.json({
                code: 0,
                msg: '刷新成功',
                data: {
                    list: fund.fundList,
                    basic: {
                        activeFund,
                        revenueLastday,
                        revenueAll: fund.fundSum || 0
                    }
                }
            });
        }
        const [ start, end ] = getDate(1);
        const [newFund, actions] = await Promise.all([
            fund.addFund(list, { inviter }),
            Action.find({ userId, type: 1, createdAt: { $gt: start, $lt: end } })
        ]);
        // 计算昨日收益
        let revenueLastday = calRevenueLastday(actions);
        // 筛选有效矿晶      
        let activeFund = getActiveFund(fund.fundList);
        return res.json({
            code: 0,
            msg: '刷新成功',
            data: {
                list: newFund.fundList,
                basic: {
                    activeFund,
                    revenueLastday,
                    revenueAll: newFund.fundSum
                }
            }
        });
    },
    async getFundList (req, res) {
        const { userId } = res.locals.user;
        return Fund.findOne({userId}, 'fundList').then(fund => {
            return res.json({
                code: 0,
                data: fund.fundList
            });
        }).catch(err => {
            mylog.error(err);
            res.json({
                code: 500,
                msg: '系统错误'
            });
        });
    },
    async getBasicInfo (req, res) {
        const { userId } = res.locals.user;
        return Fund.findOne({userId}).then(async fund => {
            const [ start, end ] = getDate(1);
            const actions = await Action.find({ userId, type: 1, createdAt: { $gt: start, $lt: end } }).exec();
            // 计算昨日收益
            let revenueLastday = calRevenueLastday(actions);
            // 筛选有效矿晶      
            let activeFund = getActiveFund(fund.fundList);
            return res.json({
                code: 0,
                data: {
                    activeFund,
                    revenueLastday,
                    revenueAll: fund.asset && fund.asset['vic']
                }
            });
        }).catch(err => {
            mylog.error(err);
            res.json({
                code: 500,
                msg: '系统错误'
            });
        });
    },
};