// 计算变更令，正负变更数

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

const checkChange = async function(change, decimal) {
    const changeBills = await querySql('Select * From zh_change_audit_list where cid = ?', [change.cid]);
    let p_tp = 0, n_tp = 0;
    for (const cb of changeBills) {
        cb.tp = ZhCalc.mul(cb.spamount, cb.unit_price, change.tp_decimal || decimal.tp);
        if (cb.spamount > 0) {
            p_tp = ZhCalc.add(p_tp, cb.tp);
        } else if (cb.spamount < 0){
            n_tp = ZhCalc.add(n_tp, cb.tp);
        }
    }
    await querySql('Update zh_change Set positive_tp = ?, negative_tp = ? Where cid = ?', [p_tp, n_tp, change.cid]);
    console.log(`Update Change ${change.cid}: p_tp(${p_tp}), n_tp(${n_tp})`);
};

const checkStage = async function(stage, decimal, preStage) {
    let stageChange;
    if (stage.status === 3) {
        stageChange = await querySql('Select scf.*, cal.unit_price From zh_stage_change_final scf Left Join zh_change_audit_list cal ON scf.cbid = cal.id where sid = ?', [stage.id]);
    } else {
        const stageChangeAll = await querySql('SELECT sc.*, cal.unit_price FROM zh_stage_change sc Left Join zh_change_audit_list cal ON sc.cbid = cal.id WHERE sid = ?', [stage.id]);
        stageChange = BaseUtil.filterLastestData(stageChangeAll, ['lid', 'pid', 'cbid', 'no_value'], 'stimes', 'sorder');
    }
    if (stageChange.length === 0) return;

    stage.positive_qc_tp = 0;
    stage.pre_positive_qc_tp = preStage ? ZhCalc.add(stage.positive_qc_tp, stage.pre_positive_qc_tp) : 0;
    stage.negative_qc_tp = 0;
    stage.pre_negative_qc_tp = preStage ? ZhCalc.add(stage.negative_qc_tp, stage.pre_negative_qc_tp) : 0;
    for (const sc of stageChange) {
        if (sc.no_value || !sc.qty) continue;
        const tp = ZhCalc.mul(sc.unit_price, sc.qty, decimal.tp);
        if (sc.minus) {
            stage.negative_qc_tp = ZhCalc.add(tp, stage.negative_qc_tp);
        } else {
            stage.positive_qc_tp = ZhCalc.add(tp, stage.positive_qc_tp);
        }
    }

    await querySql('Update zh_stage Set positive_qc_tp = ?, pre_positive_qc_tp = ?, negative_qc_tp = ?, pre_negative_qc_tp = ? Where id = ?', [stage.positive_qc_tp, stage.pre_positive_qc_tp, stage.negative_qc_tp, stage.pre_negative_qc_tp, stage.id]);
    console.log(`Update Stage ${stage.order}: p_tp(${stage.positive_qc_tp}), pre_p_tp(${stage.pre_positive_qc_tp}), n_tp(${stage.negative_qc_tp}), pre_n_tp(${stage.pre_negative_qc_tp})`);
};

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[0].decimal ? JSON.parse(info[0].decimal) : defaultInfo.parseInfo.decimal;

            const changes = await querySql('Select * From zh_change where tid = ?', [t.id]);
            for (const c of changes) {
                await checkChange(c, decimal);
            }
            const stage = await querySql('Select * From zh_stage where tid = ? order by `order` asc', [t.id]);
            for (const [i, s] of stage.entries()) {
                await checkStage(s, decimal, i > 1 ? stage[i-1] : null);
            }
        }
    } catch (err) {
        console.log(err);
    }
    BaseUtil.closePool();
};
doComplete();