'use strict';

/**
 *
 *
 * @author Mai
 * @date 2018/8/14
 * @version
 */

const moment = require('moment');
const audit = require('../const/audit');
const codeRuleConst = require('../const/code_rule');
const changeConst = require('../const/change');
const tenderMenu = require('../../config/menu').tenderMenu;

module.exports = app => {
    class ChangeController extends app.BaseController {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            ctx.showProject = true;
            ctx.showTender = true;
            ctx.showTitle = true;
        }

        async _filterChanges(ctx, status = 0) {
            const tenderId = ctx.params.id;
            ctx.session.sessionUser.tenderId = tenderId;
            const tender = await this.service.tender.getDataById(tenderId);
            const tenderList = await this.service.tender.getList();

            const page = ctx.page;
            const changes = await ctx.service.change.getListByStatus(tender.id, status);
            const total = await ctx.service.change.getCountByStatus(tender.id, status);
            if (changes !== null) {
                let i = 0;
                for(let c of changes) {
                    const changeAudit = await ctx.service.changeAudit.getLastUser(c.cid, c.times);
                    changes[i].changeAudit = changeAudit;
                    i++;
                }
            }

            // 分页相关
            const pageInfo = {
                page,
                total: parseInt(total / app.config.pageSize),
                queryData: JSON.stringify(ctx.urlInfo.query),
            };

            const filter = JSON.parse(JSON.stringify(audit.filter));
            filter.count = [];
            filter.count[filter.status.pending] = await ctx.service.change.getCountByStatus(tender.id, filter.status.pending);// await ctx.service.change.pendingDatas(tender.id, ctx.session.sessionUser.accountId);
            filter.count[filter.status.uncheck] = await ctx.service.change.getCountByStatus(tender.id, filter.status.uncheck);// await ctx.service.change.checkingDatas(tender.id, ctx.session.sessionUser.accountId);
            filter.count[filter.status.checking] = await ctx.service.change.getCountByStatus(tender.id, filter.status.checking);// await ctx.service.change.checkedDatas(tender.id, ctx.session.sessionUser.accountId);
            filter.count[filter.status.checked] = await ctx.service.change.getCountByStatus(tender.id, filter.status.checked);// await ctx.service.change.pendingDatas(tender.id, ctx.session.sessionUser.accountId);
            filter.count[filter.status.checkNo] = await ctx.service.change.getCountByStatus(tender.id, filter.status.checkNo);//await ctx.service.change.pendingDatas(tender.id, ctx.session.sessionUser.accountId);

            const codeRule = tender.c_rule ? JSON.parse(tender.c_rule) : [];
            for (const rule of codeRule) {
                switch (rule.rule_type) {
                    case codeRuleConst.measure.ruleType.tenderName:
                        rule.preview = tender.name;
                        break;
                    case codeRuleConst.measure.ruleType.inDate:
                        rule.preview = moment().format('YYYYMM');
                        break;
                    case codeRuleConst.measure.ruleType.text:
                        rule.preview = rule.text;
                        break;
                    case codeRuleConst.measure.ruleType.addNo:
                        const s = '0000000000';
                        rule.preview = s.substr(s.length - rule.format);
                        break;
                }
            }

            const renderData = {
                uid: ctx.session.sessionUser.accountId,
                moment,
                tender,
                tenderList,
                pageInfo,
                changes,
                filter,
                status: status,
                codeRule,
                auditConst: audit.flow,
                ruleType: codeRuleConst.ruleType.change,
                ruleConst: codeRuleConst.measure,
                tenderMenu: this.menu.tenderMenu,
                preUrl: '/tender/' + tenderId,
            };

            await this.layout('change/index.ejs', renderData, 'change/modal.ejs');
        }

        /**
         * 变更管理 页面 (Get)
         *
         * @param {Object} ctx - egg全局变量
         * @returns {Promise<void>}
         */
        async index(ctx) {
            try {
                await this._filterChanges(ctx);
            } catch (err) {
                this.log(err);
                ctx.redirect('/dashboard');
            }
        }

        /**
         *
         * @param ctx
         * @returns {Promise<void>}
         */
        async newCode(ctx) {
            const responseData = {
                err: 0,
                msg: '',
                data: '',
            };
            try {
                const tenderId = ctx.params.id;
                if (!tenderId) {
                    throw '当前未打开标段';
                }
                const tenderData = await ctx.service.tender.getDataById(tenderId);
                const cCodeRule = JSON.parse(tenderData.c_rule);

                const code = [];
                for (const rule of cCodeRule) {
                    switch (rule.rule_type) {
                        case codeRuleConst.measure.ruleType.tenderName:
                            code.push(tenderData.name);
                            break;
                        case codeRuleConst.measure.ruleType.text:
                            code.push(rule.text);
                            break;
                        case codeRuleConst.measure.ruleType.inDate:
                            code.push(moment().format('YYYYMM'));
                            break;
                        case codeRuleConst.measure.ruleType.addNo:
                            let s = '0000000000';
                            const count = rule.start + await ctx.service.change.count({tid: tenderId});
                            s = s + count;
                            code.push(s.substr(s.length - rule.format));
                            break;
                    }
                }
                responseData.data = code.join('');
            } catch (err) {
                responseData.err = 1;
                responseData.msg = err;
            }

            ctx.body = responseData;
        }

        /**
         * 新增变更 (Post)
         *
         * @param {Object} ctx - egg全局变量
         * @returns {Promise<void>}
         */
        async add(ctx) {
            try {
                const tenderId = ctx.params.id;
                if (!tenderId) {
                    throw '当前未打开标段';
                }
                const data = JSON.parse(ctx.request.body.data);
                if (!data.code || data.code === '' || !data.name || data.name === '') {
                    throw '提交数据错误';
                }

                const change = await ctx.service.change.add(tenderId, ctx.session.sessionUser.accountId, data.code, data.name);

                ctx.body = { err: 0, msg: '', data: change };
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString() };
            }
        }

        /**
         * 变更管理 状态筛选 页面 (Get)
         * @param ctx
         * @returns {Promise<void>}
         */
        async status(ctx) {
            try {
                const status = parseInt(ctx.params.status);
                await this._filterChanges(ctx, status);
            } catch (err) {
                this.logger.error(err);
                ctx.redirect('/tender/'+ ctx.params.id +'/change');
            }
        }

        /**
         * 变更信息 页面 (Get)
         *
         * @param {Object} ctx - egg全局变量
         * @returns {Promise<void>}
         */
        async info(ctx) {
            try {
                const tid = ctx.session.sessionUser.tenderId !== undefined ? ctx.session.sessionUser.tenderId : ctx.params.id;
                const tender = await this.service.tender.getDataById(tid);
                const change = await ctx.service.change.getDataByCondition({cid: ctx.params.cid});

                // 后台判断当前人查看info状态
                const auditStatus = await ctx.service.changeAudit.getStatusByChange(change);

                // 获取公司列表
                const companyList = await ctx.service.changeCompany.getAllDataByCondition({ tid: tid });

                const renderData = {
                    uid: ctx.session.sessionUser.accountId,
                    tender,
                    change,
                    changeConst,
                    auditStatus,
                    auditConst: audit.flow,
                    companyList,
                };
                await this.layout('change/info.ejs', renderData, 'change/info_modal.ejs');
            } catch (err) {
                this.log(err);
                ctx.redirect('/tender/'+ ctx.params.id +'/change');
            }
        }

        /**
         * 变更清单 页面 (Get)
         *
         * @param {Object} ctx - egg全局变量
         * @returns {Promise<void>}
         */
        async bills(ctx) {
            try {
                const tender = ctx.tenderData;
                const tenderList = ctx.tenderList;
                const change = await ctx.service.change.getDataByCondition({cid: ctx.params.cid});

                const renderData = {
                    tender,
                    tenderList,
                    change,
                };
                await this.layout('change/bills.ejs', renderData, 'change/info_modal.ejs');

            } catch (err) {
                this.log(err);
                ctx.redirect('/change');
            }
        }

        /**
         * 附件 页面 (Get)
         *
         * @param {Object} ctx - egg全局变量
         * @returns {Promise<void>}
         */
        async file(ctx) {
            try {
                const tender = ctx.tenderData;
                const tenderList = ctx.tenderList;
                const change = await ctx.service.change.getDataByCondition({cid: ctx.params.cid});

                const renderData = {
                    tender,
                    tenderList,
                    change,
                };
                await this.layout('change/file.ejs', renderData, 'change/file_modal.ejs');

            } catch (err) {
                this.log(err);
                ctx.redirect('/change');
            }
        }

        /**
         * 变更公司管理
         * @param ctx
         * @return {Promise.<void>}
         */
        async updateCompany(ctx) {
            const responseData = {
                err: 0,
                msg: '',
                data: '',
            };
            try {
                const data = JSON.parse(ctx.request.body.data);
                if (data.tid === undefined || data.uci === undefined || data.uc === undefined || data.ac === undefined) {
                    throw '参数有误';
                }
                const [addCompany, selectCompany] = await ctx.service.changeCompany.setCompanyList(data);
                responseData.data = { add: addCompany, select: selectCompany };
            } catch (err) {
                responseData.err = 1;
                responseData.msg = err;
            }

            ctx.body = responseData;
        }
    }

    return ChangeController;
};