// 计算变更令，计价不计价金额数

const defaultInfo = require('../app/const/tender_info');
const BaseUtil = require('./baseUtils');
const _ = require('lodash');
const querySql = BaseUtil.querySql;
const ZhCalc = BaseUtil.ZhCalc;

const checkChange = async function(change, decimal, precision = defaultInfo.defaultInfo.precision) {
    const sql = 'Select * From zh_change_audit_list where cid = ?';
    const sqlParam = [change.cid];
    const changeBills = await querySql(sql, sqlParam);
    const unitPriceUnit = change.up_decimal || decimal.up;
    const totalPriceUnit = change.tp_decimal || decimal.tp;
    let positive_tp = 0;
    let negative_tp = 0;
    let valuation_tp = 0;
    let unvaluation_tp = 0;
    let new_tp = 0;
    // 先汇总再统计金额
    const gclChangeList = _.uniq(_.map(changeBills, 'gcl_id'));
    for (const g of gclChangeList) {
        if (g) {
            const list = _.filter(changeBills, { gcl_id: g });
            let spamount = 0;
            let positive_amount = 0;
            let negative_amount = 0;
            let valuation_amount = 0;
            let unvaluation_amount = 0;
            let unitPrice = 0;
            for (const c of list) {
                if (c.spamount) {
                    const amount = ZhCalc.round(c.spamount, findDecimal(c.unit, precision));
                    spamount = ZhCalc.add(spamount, amount);
                    if (amount >= 0) {
                        positive_amount = ZhCalc.add(positive_amount, amount);
                    } else {
                        negative_amount = ZhCalc.add(negative_amount, amount);
                    }
                    unitPrice = c.unit_price;
                    if (c.is_valuation) {
                        valuation_amount = ZhCalc.add(valuation_amount, ZhCalc.round(c.spamount, findDecimal(c.unit, precision)));
                    } else {
                        unvaluation_amount = ZhCalc.add(unvaluation_amount, ZhCalc.round(c.spamount, findDecimal(c.unit, precision)));
                    }
                }
            }
            const price = ZhCalc.round(ZhCalc.mul(spamount, ZhCalc.round(unitPrice, unitPriceUnit), totalPriceUnit), totalPriceUnit);
            // 正负数量分别汇总后计算金额，避免相互抵消。
            const positive_price = ZhCalc.round(ZhCalc.mul(positive_amount, ZhCalc.round(unitPrice, unitPriceUnit), totalPriceUnit), totalPriceUnit) || 0;
            const negative_price = ZhCalc.round(ZhCalc.mul(negative_amount, ZhCalc.round(unitPrice, unitPriceUnit), totalPriceUnit), totalPriceUnit) || 0;
            positive_tp = ZhCalc.add(positive_tp, positive_price);
            negative_tp = ZhCalc.add(negative_tp, negative_price);
            const valuation_price = ZhCalc.round(ZhCalc.mul(valuation_amount, ZhCalc.round(unitPrice, unitPriceUnit), totalPriceUnit), totalPriceUnit) || 0;
            const unvaluation_price = ZhCalc.round(ZhCalc.mul(unvaluation_amount, ZhCalc.round(unitPrice, unitPriceUnit), totalPriceUnit), totalPriceUnit) || 0;
            valuation_tp = ZhCalc.add(valuation_tp, valuation_price);
            unvaluation_tp = ZhCalc.add(unvaluation_tp, unvaluation_price);
            new_tp = ZhCalc.add(new_tp, price);
        } else {
            const list = _.filter(changeBills, { gcl_id: g });
            for (const c of list) {
                if (c.spamount) {
                    const price = ZhCalc.round(ZhCalc.mul(ZhCalc.round(c.spamount, findDecimal(c.unit, precision)), ZhCalc.round(c.unit_price, unitPriceUnit), totalPriceUnit), totalPriceUnit) || 0;
                    new_tp = ZhCalc.add(new_tp, price);
                    if (price >= 0) {
                        positive_tp = ZhCalc.add(positive_tp, price);
                    } else {
                        negative_tp = ZhCalc.add(negative_tp, price);
                    }
                    if (c.is_valuation) {
                        valuation_tp = ZhCalc.add(valuation_tp, price);
                    } else {
                        unvaluation_tp = ZhCalc.add(unvaluation_tp, price);
                    }
                }
            }
        }
    }
    const updateTpList = {};
    let updateFlag = false;
    if (positive_tp !== change.positive_tp) {
        updateTpList.positive_tp = positive_tp;
        updateFlag = true;
    }
    if (negative_tp !== change.negative_tp) {
        updateTpList.negative_tp = negative_tp;
        updateFlag = true;
    }
    if (valuation_tp !== change.valuation_tp) {
        updateTpList.valuation_tp = valuation_tp;
        updateFlag = true;
    }
    if (unvaluation_tp !== change.unvaluation_tp) {
        updateTpList.unvaluation_tp = unvaluation_tp;
        updateFlag = true;
    }
    if (updateFlag) {
        const sql = 'Update zh_change Set ? Where cid = ?';
        const sqlParam = [updateTpList, change.cid];
        await querySql(sql, sqlParam);
        console.log(`Update Change ${change.cid}`);
    }
};

const doComplete = async function() {
    try {
        const tender = await querySql('Select * From zh_tender');
        for (const t of tender) {
            console.log(`Update Tender ${t.id}:`);
            const info = await querySql('Select * From zh_tender_info where tid = ?', [t.id]);
            const decimal = info.length > 0 && info[0].decimal ? JSON.parse(info[0].decimal) : defaultInfo.defaultInfo.decimal;

            const precision = info.length > 0 && info[0].precision ? JSON.parse(info[0].precision) : defaultInfo.defaultInfo.precision;

            const changes = await querySql('Select * From zh_change where tid = ?', [t.id]);
            for (const c of changes) {
                await checkChange(c, decimal, precision);
            }
        }
    } catch (err) {
        console.log(err);
    }
    BaseUtil.closePool();
};
const doCompleteTest = async function(tid) {
    try {
        const tender = await querySql('Select * From zh_tender where id = ?', [tid]);
        for (const t of tender) {
            console.log(`Update Tender ${t.id}:`);
            const info = await querySql('Select * From zh_tender_info where tid = ?', [t.id]);
            const decimal = info.length > 0 && info[0].decimal ? JSON.parse(info[0].decimal) : defaultInfo.defaultInfo.decimal;

            const precision = info.length > 0 && info[0].precision ? JSON.parse(info[0].precision) : defaultInfo.defaultInfo.precision;

            const changes = await querySql('Select * From zh_change where tid = ?', [t.id]);
            for (const c of changes) {
                await checkChange(c, decimal, precision);
            }
        }
    } catch (err) {
        console.log(err);
    }
    BaseUtil.closePool();
};

const tenderId = process.argv[3];
if (tenderId) {
    doCompleteTest(tenderId);
} else {
    doComplete();
}

function findDecimal(unit, precision) {
    let value = precision.other.value;
    for (const d in precision) {
        if (precision[d].unit !== undefined && precision[d].unit === unit) {
            value = precision[d].value;
            break;
        }
    }
    return value;
}