'use strict';

/**
 * 预付款中间件
 * @author lanjianrong
 * @date 2020/8/10
 * @version
 */

const status = require('../const/audit').advance.status;
const shenpiConst = require('../const/shenpi');
const _ = require('lodash');
// const _ = require('lodash')

module.exports = () => {
    /**
     * 预付款 中间件
     * 1. 读取期数据
     * 2. 检验用户是否参与期（不校验具体权限）
     *
     * 写入ctx.advance数据
     * 其中:
     * advance.auditors: 审批人列表(退回原报时，加载上一流程)
     * advance.curAuditor: 当前审批人(未上报为空，审批通过 or 退回原报时，为空)
     * advance.readonly: 登录人，是否可操作
     * advance.curTimes: 当前登录人，操作、查阅数据times
     * advance.curOrder: 当前登录人，操作、查阅数据order
     *
     * 该方法为通用方法，如需advance其他数据，请在controller中查询
     *
     * @param {function} next - 中间件继续执行的方法
     * @return {void}
     */
    return function* advanceCheck(next) {
        try {
            // 读取预付款id
            const cid = this.params.cid || this.request.body.cid;
            const id = parseInt(this.params.order);
            if (!id || id <= 0) {
                throw '您访问的预付款期不存在';
            }
            const advance = yield this.service.advance.getDataById(id);
            if (!advance) {
                throw '预付款数据错误';
            }

            advance.user = yield this.service.projectAccount.getAccountInfoById(advance.uid);
            // 读取审核人列表数据
            advance.auditors = yield this.service.advanceAudit.getAuditors(advance.id, advance.times);
            advance.curAuditor = yield this.service.advanceAudit.getCurAuditor(advance.id, advance.times);

            // 获取最新的期
            // advance.highOrder = yield this.service.advance.getLastestAdvance(this.tender.id, type, true)

            this.advance = advance;
            // 根据状态判断是否需要更新审批人列表
            if ((advance.status === status.uncheck || advance.status === status.checkNo) && this.tender.info.shenpi.advance !== shenpiConst.sp_status.sqspr) {
                const shenpi_status = this.tender.info.shenpi.advance;
                // 进一步比较审批流是否与审批流程设置的相同，不同则替换为固定审批流或固定的终审
                const auditList = yield this.service.advanceAudit.getAllDataByCondition({ where: { vid: advance.id, times: advance.times }, orders: [['order', 'asc']] });
                const auditIdList = _.map(auditList, 'audit_id');
                if (shenpi_status === shenpiConst.sp_status.gdspl) {
                    const shenpiList = yield this.service.shenpiAudit.getAllDataByCondition({ where: { tid: advance.tid, sp_type: shenpiConst.sp_type.advance, sp_status: shenpi_status } });
                    const shenpiIdList = _.map(shenpiList, 'audit_id');
                    // 判断2个id数组是否相同，不同则删除原审批流，切换成固定的审批流
                    if (!_.isEqual(auditIdList, shenpiIdList)) {
                        yield this.service.advanceAudit.updateNewAuditList(advance, shenpiIdList);
                    }
                } else if (shenpi_status === shenpiConst.sp_status.gdzs) {
                    const shenpiInfo = yield this.service.shenpiAudit.getDataByCondition({ tid: advance.tid, sp_type: shenpiConst.sp_type.advance, sp_status: shenpi_status });
                    // 判断最后一个id是否与固定终审id相同，不同则删除原审批流中如果存在的id和添加终审
                    if (shenpiInfo && shenpiInfo.audit_id !== _.last(auditIdList)) {
                        yield this.service.advanceAudit.updateLastAudit(advance, auditList, shenpiInfo.audit_id);
                    } else if (!shenpiInfo) {
                        // 不存在终审人的状态下这里恢复为授权审批人
                        this.tender.info.shenpi.advance = shenpiConst.sp_status.sqspr;
                    }
                }
            }
            yield next;
        } catch (err) {
            this.helper.log(err);
            // 输出错误到日志
            if (err.stack) {
                this.logger.error(err);
            } else {
                this.getLogger('fail').info(
                    JSON.stringify({
                        error: err,
                        project: this.session.sessionProject,
                        user: this.session.sessionUser,
                        body: this.session.body,
                    })
                );
            }
            // 重定向值标段管理
            this.redirect(this.request.headers.referer);
        }
    };
};