'use strict';

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

const messageType = require('../const/message_type');
const _ = require('lodash');
const contractConst = require('../const/contract');

module.exports = options => {
    /**
     * 标段校验 中间件
     * 1. 读取标段数据（包括属性）
     * 2. 检验用户是否可见标段（不校验具体权限）
     *
     * @param {function} next - 中间件继续执行的方法
     * @return {void}
     */
    return function* contractCheck(next) {
        try {
            if (!this.session.sessionProject.page_show.openContract) {
                throw '该功能已关闭或无法查看';
            }
            const stid = this.params.stid;
            const type = this.params.type ? contractConst.type[this.params.type] : contractConst.type.expenses;
            if (!stid) throw '参数错误';
            let spid = null;
            let tid = null;
            // 判断stid字符串是不是只有数字
            if (!/^\d+$/.test(stid)) {
                spid = stid;
            } else {
                tid = stid;
            }
            if (!spid && !tid) {
                throw '参数数据错误';
            }
            const info = spid ? yield this.service.subProject.getDataById(spid) : yield this.service.tender.getDataById(tid);
            if (!info) throw '项目或标段不存在';
            const options = spid ? { spid } : { tid };
            if (this.request.originalUrl && this.request.originalUrl.indexOf('detail') > -1) yield this.service.contractTree.insertTree(options, info);
            // 权限控制
            const cloneOptions = _.cloneDeep(options);
            cloneOptions.uid = this.session.sessionUser.accountId;
            const result = yield this.service.contractAudit.getDataByCondition(cloneOptions);
            // const result = yield this.service.contractAudit.checkPermission(options, this.session.sessionUser.accountId);
            if (!result && !this.session.sessionUser.is_admin) {
                throw '当前账号权限不足，请联系管理员添加权限';
            }
            this.contract = info;
            this.contractOptions = options;
            this.contract_audit_permission = result;
            this.contract_type = type;
            yield next;
        } catch (err) {
            // 输出错误到日志
            if (err.stack) {
                this.logger.error(err);
            } else {
                this.session.message = {
                    type: messageType.ERROR,
                    icon: 'exclamation-circle',
                    message: err,
                };
                this.getLogger('fail').info(JSON.stringify({
                    error: err,
                    project: this.session.sessionProject,
                    user: this.session.sessionUser,
                    body: this.session.body,
                }));
            }
            if (this.helper.isAjax(this.request)) {
                if (err.stack) {
                    this.body = { err: 4, msg: '标段数据未知错误', data: null };
                } else {
                    this.body = { err: 3, msg: err.toString(), data: null };
                }
            } else {
                if (this.helper.isWap(this.request)) {
                    this.redirect('/wap/list');
                } else {
                    this.postError(err, '未知错误');
                    err === '该功能已关闭或无法查看' ? this.redirect('/dashboard') : this.request.headers.referer ? this.redirect(this.request.headers.referer) : this.redirect('/contract');
                }
            }
        }
    };
};