'use strict';

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

module.exports = app => {
    class BudgetPermission extends app.BaseService {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @param {String} tableName - 表名
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'budget_permission';
            this.PermissionConst = {
                view: { title: '查看', value: 1 },
                edit: { title: '编辑', value: 2 },
            };
        }

        async showBudget(uid) {
            const count = await this.count({ pid: this.ctx.session.sessionProject.id, uid });
            return count > 0;
        }

        async getBudgetPermission(bid) {
            const _ = this.ctx.helper._;
            const result = await this.db.query(`SELECT bp.*, p.name, p.role 
                FROM ${this.tableName} bp LEFT JOIN ${this.ctx.service.projectAccount.tableName} p
                On bp.uid = p.id WHERE bid = ?`, [bid]);
            result.forEach(x => {
                x.permission = x.permission ? _.map(x.permission.split(','), _.toInteger) : []
            });
            return result;
        }

        async getUserPermission() {
            const _ = this.ctx.helper._;
            const result = await this.getAllDataByCondition({
                where: { uid: this.ctx.session.sessionUser.accountId, pid: this.ctx.session.sessionProject.id }
            });
            result.forEach(x => {
                x.permission = x.permission ? _.map(x.permission.split(','), _.toInteger) : []
            });
            return result;
        }

        async getBudgetUserPermission(bid) {
            const _ = this.ctx.helper._;
            const result = await this.getDataByCondition({uid: this.ctx.session.sessionUser.accountId, bid});
            if (result) result.permission = result.permission ? _.map(result.permission.split(','), _.toInteger) : [];
            return result;
        }

        async saveBudgetPermission(bid, member) {
            const orgMember = await this.getAllDataByCondition({ where: { bid } });
            const dm = [], um = [], im = [], cur = new Date();
            for (const om of orgMember) {
                const nm = member.find(x => { return om.uid === x.uid });
                if (!nm) {
                    dm.push(om.id);
                } else {
                    um.push({
                        id: om.id,
                        permission: nm.permission.join(','),
                        modify_time: cur,
                    });
                    member.splice(member.indexOf(nm), 1);
                }
            }
            for (const m of member) {
                im.push({
                    pid: this.ctx.session.sessionProject.id, bid, uid: m.uid,
                    permission: m.permission.join(','), in_time: cur, modify_time: cur,
                })
            }
            const conn = await this.db.beginTransaction();
            try {
                if (dm.length > 0) await conn.delete(this.tableName, { id: dm });
                if (um.length > 0) await conn.updateRows(this.tableName, um);
                if (im.length > 0) await conn.insert(this.tableName, im);
                await conn.commit();
            } catch (err) {
                await conn.rollback();
                throw err;
            }
        }
    }

    return BudgetPermission;
};