'use strict';

/**
 * Created by EllisRan on 2020/3/3.
 */

const BaseService = require('../base/base_service');

module.exports = app => {

    class Contract extends BaseService {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            const setting = {
                spid: 'spid',
                mid: 'tid',
                type: 'contract_type',
                kid: 'contract_id',
                pid: 'contract_pid',
                order: 'order',
                level: 'level',
                isLeaf: 'is_leaf',
                fullPath: 'full_path',
                keyPre: 'contract_maxLid:', // 换个名称，防止缓存导致旧数据出问题
                uuid: true,
            };
            super(ctx);
            this.setting = setting;
            this.tableName = 'contract';
            this.dataId = 'id';
        }

        async add(options, node, data) {
            if (!options[this.setting.type] || !node || !data) throw '参数有误';
            const insertId = this.uuid.v4();
            const transaction = await this.db.beginTransaction();
            try {
                const maxId = await this.ctx.service.contractTree._getMaxLid(options);
                const insertData = {
                    id: insertId,
                    spid: options.spid || null,
                    tid: options.tid || null,
                    contract_type: options[this.setting.type],
                    uid: this.ctx.session.sessionUser.accountId,
                    contract_id: maxId + 1,
                    contract_pid: !node.c_code ? node.contract_id : node.contract_pid,
                    level: !node.c_code ? node.level + 1 : node.level,
                    is_leaf: 1,
                    c_code: data.code,
                    name: data.name,
                    total_price: data.total_price ? parseFloat(data.total_price) : 0,
                    party_b: data.party_b,
                    remark: data.remark,
                    create_time: new Date(),
                };
                insertData[this.setting.fullPath] = !node.c_code
                    ? node[this.setting.fullPath] + '-' + insertData[this.setting.kid]
                    : node[this.setting.fullPath].replace('-' + node[this.setting.kid], '-' + insertData[this.setting.kid]);
                const order = !node.c_code ? (!node.is_leaf ? await this.getMaxOrder(options, node.contract_id, transaction) : 1) : node.order + 1;
                insertData[this.setting.order] = order;
                await this.ctx.service.contractTree._updateChildrenOrder(options, insertData[this.setting.pid], insertData[this.setting.order], 1, transaction);
                await transaction.insert(this.tableName, insertData);
                if (!node.c_code && node.is_leaf) {
                    await transaction.update(this.ctx.service.contractTree.tableName, { id: node.id, is_leaf: 0 });
                }
                this.ctx.service.contractTree._cacheMaxLid(options, maxId + 1);
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
            const createData = await this.ctx.service.contract.getDataById(insertId);
            createData.username = this.ctx.session.sessionUser.name;
            const updateData = await this.ctx.service.contractTree.getNextsData(options, !node.c_code ? node.contract_id : node[this.setting.pid], node[this.setting.order] + 1);
            if (!node.c_code) {
                const parent = await this.ctx.service.contractTree.getDataById(node.id);
                updateData.push(parent);
            }
            return { create: createData, update: updateData };
        }

        /**
         * 提交数据 - 响应计算(增量方式计算)
         * @param {Number} tenderId
         * @param {Object} data
         * @return {Promise<*>}
         */
        async updateCalc(options, data) {
            const helper = this.ctx.helper;
            if (!data) {
                throw '提交数据错误';
            }
            const datas = data instanceof Array ? data : [data];
            const ids = [];
            for (const row of datas) {
                ids.push(row.id);
            }

            const transaction = await this.db.beginTransaction();
            try {
                const updateDatas = [];
                for (const row of datas) {
                    const updateNode = await this.getDataById(row.id);
                    if (!updateNode) {
                        throw '提交数据错误';
                    }
                    updateDatas.push(row);
                }
                if (updateDatas.length > 0) await transaction.updateRows(this.tableName, updateDatas);
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }

            return { update: await this.getDataById(ids) };
        }

        async getMaxOrder(options, pid, transaction) {
            const sql = 'SELECT MAX(`' + this.setting.order + '`) AS max_order FROM ?? WHERE ' + this.ctx.helper._getOptionsSql(options) + ' AND ' + this.setting.pid + ' = ?';
            const params = [this.tableName, pid];
            const result = await transaction.query(sql, params);
            const maxOrder = result[0].max_order || 0;
            const sql1 = 'SELECT MAX(`' + this.setting.order + '`) AS max_order FROM ?? WHERE ' + this.ctx.helper._getOptionsSql(options) + ' AND ' + this.setting.pid + ' = ?';
            const params1 = [this.ctx.service.contractTree.tableName, pid];
            const result1 = await transaction.query(sql1, params1);
            const maxOrder1 = result1[0].max_order || 0;
            return Math.max(maxOrder, maxOrder1) + 1;
        }

        async getListByUsers(options, user) {
            const _ = this._;
            const list = await this.getAllDataByCondition({ where: options });
            for (const l of list) {
                l.username = (await this.ctx.service.projectAccount.getAccountInfoById(l.uid)).name;
            }
            if (user.is_admin) {
                return list;
            }
            const userPermission = options.tid ? await this.ctx.service.contractAudit.getDataByCondition({ spid: options.spid || null, tid: options.tid || null, uid: user.accountId }) : await this.ctx.service.subProjPermission.getContractPermission(this.ctx.subProject.permission.contract_permission);
            if (!userPermission) return [];
            const cloneOptions = this._.cloneDeep(options);
            cloneOptions.uid = user.accountId;
            const userTreePermission = await this.ctx.service.contractTreeAudit.getAllDataByCondition({ where: cloneOptions });
            if (userTreePermission.length === 0) return list;
            const newList = this._.filter(list, { uid: user.accountId });
            const userInfo = await this.ctx.service.projectAccount.getDataById(user.accountId);
            // const unit = userInfo.company ? await this.ctx.service.constructionUnit.getDataByCondition({ pid: userInfo.project_id, name: userInfo.company }) : null;
            const uids = await this.ctx.service.projectAccount.getAllDataByCondition({ columns: ['id'], where: { project_id: userInfo.project_id, company: userInfo.company } });
            for (const ut of userTreePermission) {
                if (userPermission.permission_show_node) {
                    const nodes = this._.filter(list, { contract_pid: ut.contract_id });
                    newList.push(...this._.filter(nodes, function(item) {
                        return item.uid !== user.accountId;
                    }));
                } else if (userPermission.permission_show_unit) {
                    const nodes = this._.filter(list, function(item) {
                        return item.contract_pid === ut.contract_id && _.includes(_.map(uids, 'id'), item.uid);
                    });
                    newList.push(...this._.filter(nodes, function(item) {
                        return item.uid !== user.accountId;
                    }));
                // } else {
                //     const nodes = this._.filter(list, { contract_pid: ut.contract_id, uid: user.accountId });
                //     newList.push(...nodes);
                }
            }
            return newList;
        }

        // async getCountByUser(stid, type, user) {
        //
        // }
    }
    return Contract;
};