'use strict';

/**
 *
 *
 * @author Mai
 * @date
 * @version
 */

const auditConst = require('../const/audit').stage;
const decimal = { up: 6, qty: 3 };

module.exports = app => {
    class StageYjcl extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'stage_yjcl';
        }

        async getStageData(stage) {
            const data = await this.getAllDataByCondition({ where: { sid: stage.id } });
            if (!stage.readOnly || stage.status === auditConst.status.checked) return data;

            for (const d of data) {
                const his = d.shistory ? JSON.parse(d.shistory) : [];

                const h = this.ctx.helper._.find(his, {
                    stimes: stage.curTimes, sorder: stage.curOrder,
                });
                d.qty = h ? h.qty : 0;
                d.tp = h ? h.tp : 0;
            }
            return data;
        }

        async _addDatas(data) {
            const tpDecimal = this.ctx.tender.info.decimal.extra
                ? this.ctx.tender.info.decimal.extraTp
                : this.ctx.tender.info.decimal.tp;

            const datas = data instanceof Array ? data : [data];
            const insertData = [];
            for (const d of datas) {
                if (!d.name || !d.m_order) throw '新增永久材料，提交的数据错误';
                const nd = {
                    uuid: this.uuid.v4(),
                    add_sid: this.ctx.stage.id,
                    add_sorder: this.ctx.stage.order,
                    add_uid: this.ctx.session.sessionUser.accountId,
                    tid: this.ctx.tender.id,
                    sid: this.ctx.stage.id,
                    sorder: this.ctx.stage.order,
                };
                nd.name = d.name;
                nd.m_order = d.m_order;
                nd.spec = d.spec || '';
                nd.unit = d.unit || '';
                nd.tax = d.tax ? Math.min(Math.max(0, this.ctx.helper.round(d.tax, 0)), 100) : 0;
                nd.arrive_time = d.arrive_time || '';
                nd.source = d.source || '';
                nd.bills_code = d.bills_code || '';
                nd.location = d.location || '';
                nd.prepare_pos = d.prepare_pos || '';
                nd.memo = d.memo || '';
                const extraPre = 1 + this.ctx.helper.div(nd.tax, 100, 2);
                nd.arrive_qty = d.arrive_qty ? this.ctx.helper.round(d.arrive_qty, decimal.qty) : 0;
                nd.arrive_tp = d.arrive_tp ? this.ctx.helper.round(d.arrive_tp, tpDecimal) : 0;
                nd.unit_price = d.arrive_qty ? this.ctx.helper.div(d.arrive_tp, d.arrive_qty, decimal.up) : 0;
                nd.ex_tax_up = d.arrive_qty ? this.ctx.helper.div(this.ctx.helper.div(d.arrive_tp, d.arrive_qty), extraPre, decimal.up) : 0;
                // nd.unit_price = d.unit_price ? this.ctx.helper.round(d.unit_price, decimal.up) : 0;
                // const precision = this.ctx.helper.findPrecision(this.ctx.tender.info.precision, d.unit);
                // if (d.arrive_qty) {
                //     nd.arrive_qty = this.ctx.helper.round(d.arrive_qty, decimal.qty);
                //     nd.arrive_tp = this.ctx.helper.mul(this.ctx.helper.mul(nd.unit_price, nd.arrive_qty), extraPre, tpDecimal);
                // }
                nd.qty = d.qty ? this.ctx.helper.round(d.qty, decimal.qty) : 0;
                // nd.tp = this.ctx.helper.mul(this.ctx.helper.mul(nd.unit_price, nd.qty), extraPre, tpDecimal);
                nd.tp = this.ctx.helper.mul(nd.unit_price, nd.qty, tpDecimal);
                insertData.push(nd);
            }
            await this.db.insert(this.tableName, insertData);
            return await this.getAllDataByCondition({
                where: { sid: this.ctx.stage.id, uuid: this.ctx.helper._.map(insertData, 'uuid') },
            });
        }

        async _delDatas(data) {
            const datas = data instanceof Array ? data : [data];
            const orgDatas = await this.getAllDataByCondition({
                where: { sid: this.ctx.stage.id, id: this.ctx.helper._.map(datas, 'id') },
            });
            for (const od of orgDatas) {
                if (od.pre_used) throw '永久材料往期已经计量，不可删除';
            }
            await this.db.delete(this.tableName, { id: datas });
            return datas;
        }

        async _updateDatas(data) {
            const tpDecimal = this.ctx.tender.info.decimal.extra
                ? this.ctx.tender.info.decimal.extraTp
                : this.ctx.tender.info.decimal.tp;

            const datas = data instanceof Array ? data : [data];
            const orgDatas = await this.getAllDataByCondition({
                where: { sid: this.ctx.stage.id, id: this.ctx.helper._.map(datas, 'id') },
            });

            const uDatas = [];
            for (const d of datas) {
                const od = this.ctx.helper._.find(orgDatas, { id: d.id });
                if (!od) continue;

                const nd = { id: od.id };
                if (d.name !== undefined) nd.name = d.name;
                if (d.m_order !== undefined) nd.m_order = d.m_order;
                if (d.spec !== undefined) nd.spec = d.spec || '';
                if (d.unit !== undefined) nd.unit = d.unit || '';
                if (d.tax !== undefined) nd.tax = d.tax ? Math.min(Math.max(0, this.ctx.helper.round(d.tax, 0)), 100) : 0;

                if (d.arrive_time !== undefined) nd.arrive_time = d.arrive_time || '';
                if (d.source !== undefined) nd.source = d.source || '';
                if (d.bills_code !== undefined) nd.bills_code = d.bills_code || '';
                if (d.location !== undefined) nd.location = d.location || '';
                if (d.prepare_pos !== undefined) nd.prepare_pos = d.prepare_pos || '';
                if (d.memo !== undefined)nd.memo = d.memo || '';

                if (d.arrive_qty !== undefined) nd.arrive_qty = this.ctx.helper.round(d.arrive_qty, decimal.qty);
                if (d.arrive_tp !== undefined) nd.arrive_tp = this.ctx.helper.round(d.arrive_tp, tpDecimal);
                let unit_price = od.unit_price, ex_tax_up = od.ex_tax_up;
                if (nd.arrive_qty !== undefined || nd.arrive_tp !== undefined || nd.tax !== undefined) {
                    const tp = nd.arrive_tp !== undefined ? nd.arrive_tp : od.arrive_tp;
                    const qty = nd.arrive_qty !== undefined ? nd.arrive_qty : od.arrive_qty;
                    const extraPre = nd.tax !== undefined ? 1 + this.ctx.helper.div(nd.tax, 100, 2) : 1 + this.ctx.helper.div(od.tax, 100, 2);
                    nd.unit_price = qty ? this.ctx.helper.div(tp, qty, decimal.up) : 0;
                    nd.ex_tax_up = qty ? this.ctx.helper.div(this.ctx.helper.div(tp, qty), extraPre, decimal.up) : 0;
                    unit_price = nd.unit_price;
                    ex_tax_up = nd.ex_tax_up;
                }
                if (d.qty !== undefined) {
                    nd.qty = d.qty ? this.ctx.helper.round(d.qty, decimal.qty) : 0;
                } else if (nd.unit_price) {
                    nd.qty = od.qty;
                }
                if (nd.qty !== undefined) nd.tp = this.ctx.helper.mul(unit_price, nd.qty, tpDecimal);
                uDatas.push(nd);
            }
            if (uDatas.length > 0) {
                await this.db.updateRows(this.tableName, uDatas);
                return uDatas;
            } else {
                return [];
            }
        }

        async updateDatas(data) {
            const result = { add: [], del: [], update: [] };
            try {
                if (data.add) {
                    result.add = await this._addDatas(data.add);
                }
                if (data.update) {
                    result.update = await this._updateDatas(data.update);
                }
                if (data.del) {
                    result.del = await this._delDatas(data.del);
                }
                return result;
            } catch (err) {
                if (err) result.err = err;
                return result;
            }
        }

        async updateHistory4TimesOrder(stage, times, order, transaction) {
            const datas = await this.getStageData(stage);
            if (datas.length === 0) return;

            const updateDatas = [];
            for (const d of datas) {
                for (const curOrder of order) {
                    const history = d.shistory ? JSON.parse(d.shistory) : [];
                    const his = history.find(function (x) {
                        return x.stimes === times && x.sorder === curOrder;
                    });
                    if (his) {
                        his.qty = d.qty;
                        his.tp = d.tp;
                    } else {
                        history.push({ stimes: times || 1, sorder: curOrder || 0, qty: d.qty, tp: d.tp });
                    }
                    updateDatas.push({ id: d.id, shistory: JSON.stringify(history) });
                }
            }
            await transaction.updateRows(this.tableName, updateDatas);
        }

        async updateHistory(stage, transaction) {
            await this.updateHistory4TimesOrder(stage, stage.curTimes, [stage.curOrder], transaction);
        }

        async updateHistory4CheckAgain(stage, transaction) {
            await this.updateHistory4TimesOrder(stage, stage.curTimes, [stage.curOrder + 1], transaction);
        }

        async addInitialStageData(stage, preStage, transaction) {
            if (!stage || !preStage) {
                throw '标段数据有误';
            }
            const preDatas = await this.getAllDataByCondition({
                columns: ['uuid', 'add_sid', 'add_sorder', 'add_uid', 'tid', 'name', 'spec', 'm_order', 'unit', 'tax', 'arrive_time', 'source', 'bills_code', 'location', 'prepare_pos', 'memo',
                    'arrive_qty', 'arrive_tp', 'unit_price', 'ex_tax_up', 'qty', 'tp', 'pre_qty', 'pre_tp', 'pre_used'],
                where: { sid: preStage.id },
            });
            if (preDatas.length > 0) {
                for (const pd of preDatas) {
                    pd.pre_used = pd.pre_used || !this.ctx.helper.checkZero(pd.qty);
                    pd.pre_qty = this.ctx.helper.add(pd.qty, pd.pre_qty);
                    pd.pre_tp = this.ctx.helper.add(pd.tp, pd.pre_tp);
                    delete pd.qty;
                    delete pd.tp;
                    pd.sid = stage.id;
                    pd.sorder = stage.order;
                }
                await transaction.delete(this.tableName, { sid: stage.id });
                const result = await transaction.insert(this.tableName, preDatas);
                return result.affectedRows === preDatas.length;
            } else {
                return true;
            }
        }

        async deleteStageTimesData(sid, times, transaction) {
            const datas = await this.getAllDataByCondition({ where: { sid } });
            if (datas.length === 0) return;

            const updateDatas = [];
            for (const d of datas) {
                const history = d.shistory && d.shistory !== '' ? JSON.parse(d.shistory) : [];
                const his = history.filter(x => { return x.stimes && x.stimes < times; });
                his.sort(function(x, y) {
                    return (x.stimes * 1000 + x.sorder) - (y.stimes * 1000 + y.sorder);
                });
                const ud = {
                    id: d.id,
                    shistory: JSON.stringify(his),
                    qty: his.length > 0 ? his[his.length - 1].qty : 0,
                    tp: his.length > 0 ? his[his.length - 1].tp : 0,
                };
                updateDatas.push(ud);
            }
            await transaction.updateRows(this.tableName, updateDatas);
        }
    }

    return StageYjcl;
};