'use strict';

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

const auditConst = require('../const/audit');
const projectLogConst = require('../const/project_log');

module.exports = app => {
    class Settle extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'settle';
        }

        /**
         * 获取标段下的全部结算期，按倒序
         * @param tenderId
         * @return {Promise<void>}
         */
        async getValidSettles(tenderId) {
            const settles = await this.db.select(this.tableName, {
                where: { tid: tenderId },
                orders: [['settle_order', 'desc']],
            });
            if (settles.length !== 0 && !this.ctx.session.sessionUser.is_admin) {
                const last = settles[0];
                if (last.status === auditConst.settle.status.uncheck && !this.ctx.tender.isTourist) {
                    if (last.user_id !== this.ctx.session.sessionUser.accountId) {
                        settles.splice(0, 1);
                    }
                }
            }
            return settles;
        }

        async getLatestCompleteSettle(tenderId) {
            const settles = await this.getAllDataByCondition({
                where: { tid: tenderId, status: auditConst.settle.status.checked },
                order: [['settle_order', 'desc']],
                limit: 1, offset: 0
            });
            return settles[0];
        }

        /**
         * 新增结算期
         * @param tenderId - 标段id
         * @param date - 结算年月
         * @param period - 结算周期
         * @return {Promise<void>}
         */
        async addSettle(tenderId, date, period) {
            const settles = await this.getAllDataByCondition({
                where: { tid: tenderId },
                order: ['order'],
            });
            const pre = settles[settles.length - 1];
            if (settles.length > 0 && pre.status !== auditConst.settle.status.checked) {
                throw '上一期未审批通过，请等待上一期审批通过后，再新增数据';
            }
            const checkedStage = await this.ctx.service.stage.getLastestCompleteStage(tenderId);
            if (!checkedStage) throw '不存在审批通过的计量期，请先进行期计量，再结算';

            const newSettle = {
                tid: tenderId,
                add_sid: checkedStage.order, add_sorder: checkedStage.order,
                user_id: this.ctx.session.sessionUser.accountId,
                settle_order: settles.length + 1, settle_time: date, settle_period: period,
                audit_times: 1, audit_status: auditConst.settle.status.uncheck,
            };
            if (pre) {
                newSettle.pre_contract_tp = this.ctx.helper.add(pre.pre_contract_tp, pre.contract_tp);
                newSettle.pre_positive_qc_tp = this.ctx.helper.add(pre.pre_positive_qc_tp, pre.positive_qc_tp);
                newSettle.pre_negative_qc_tp = this.ctx.helper.add(pre.pre_negative_qc_tp, pre.negative_qc_tp);
                newSettle.pre_qc_tp = this.ctx.helper.add(pre.pre_qc_tp, pre.qc_tp);
                newSettle.pre_tp = this.ctx.helper.add(pre.tp, pre.pre_tp);
            }
            const transaction = await this.db.beginTransaction();
            try {
                // 新增期记录
                const result = await transaction.insert(this.tableName, newSettle);
                if (result.affectedRows === 1) {
                    newSettle.id = result.insertId;
                } else {
                    throw '新增期数据失败';
                }
                await this.ctx.service.settleAudit.copyPreAuditors(transaction, pre, newSettle);
                // 存在上一期时
                if (pre) {
                    // todo 复制上一期其他数据
                }
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }

            return newSettle;
        }

        /**
         * 编辑结算期
         *
         * @param {Number} tenderId - 标段Id
         * @param {Number} order - 第N期
         * @param {String} date - 结算年月
         * @param {String} period - 结算周期
         * @return {Promise<void>}
         */
        async saveSettle(tenderId, order, date, period) {
            await this.db.update(this.tableName, {
                settle_time: date,
                settle_period: period,
            }, { where: { tid: tenderId, settle_order: order } });
        }

        /**
         * 删除结算期
         * @param id
         * @returns {Promise<boolean>}
         */
        async deleteSettle(id) {
            const transaction = await this.db.beginTransaction();
            try {
                const settleInfo = await this.getDataById(id);
                await transaction.delete(this.tableName, { id });
                await transaction.delete(this.ctx.service.settleAudit.tableName, { sid: id });
                // await transaction.delete(this.ctx.service.settleAuditAss.tableName, { sid: id });
                // 记录删除日志
                await this.ctx.service.projectLog.addProjectLog(transaction, projectLogConst.type.settle, projectLogConst.status.delete, `第${settleInfo.order}期`);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async loadRelaUser(settle) {
            const status = auditConst.settle.status;
            const accountId = this.ctx.session.sessionUser.accountId;

            settle.user = await this.ctx.service.projectAccount.getAccountInfoById(settle.user_id);
            settle.auditors = await this.ctx.service.settleAudit.getAuditors(settle.id, settle.audit_times); // 全部参与的审批人
            settle.auditorIds = this._.map(settle.auditors, 'aid');
            settle.curAuditors = settle.auditors.filter(x => { return x.status === status.checking; }); // 当前流程中审批中的审批人
            settle.curAuditorIds = this._.map(settle.curAuditors, 'aid');
            settle.flowAuditors = settle.curAuditors.length > 0 ? settle.auditors.filter(x => { return x.order === settle.curAuditors[0].order; }) : []; // 当前流程中参与的审批人（包含会签时，审批通过的人）
            settle.flowAuditorIds = this._.map(settle.flowAuditors, 'aid');
            settle.auditorGroups = this.ctx.helper.groupAuditors(settle.auditors);
            settle.userGroups = this.ctx.helper.groupAuditorsUniq(settle.auditorGroups);
            settle.finalAuditorIds = settle.userGroups[settle.userGroups.length - 1].map(x => { return x.aid; });

            // 协作相关
            settle.assists = []; //await this.service.settleAuditAss.getData(settle); // 全部协同人
            settle.assists = settle.assists.filter(x => {
                return x.user_id === settle.user_id || settle.auditorIds.indexOf(x.user_id) >= 0;
            }); // 过滤无效协同人
            settle.userAssists = settle.assists.filter(x => { return x.user_id === settle.user_id; }); // 原报协同人
            settle.userAssistIds = this._.map(settle.userAssists, 'ass_user_id');
            settle.auditAssists = settle.assists.filter(x => { return x.user_id !== settle.user_id; }); // 审批协同人
            settle.auditAssistIds = this._.map(settle.auditAssists, 'ass_user_id');
            settle.curAssists = settle.assists.filter(x => { return settle.curAuditorIds.indexOf(x.user_id) >= 0; }); // 当前审批人的协同人
            settle.curAssistsIds = this._.map(settle.curAssists, 'ass_user_id');
            settle.relaAssists = settle.assists.filter(x => { return x.user_id === accountId }); // 登录人的协同人
            // 当前参与人Id
            settle.userIds = settle.status === settle.uncheck // 当前流程下全部参与人id
                ? [settle.user_id, ...settle.userAssistIds]
                : [settle.user_id, ...settle.userAssistIds, ...settle.auditorIds, ...settle.auditAssistIds];
        }

        async loadAuditViewData(settle) {
            const times = settle.audit_status === auditConst.settle.status.checkNo ? settle.audit_times - 1 : settle.audit_times;

            if (!settle.user) settle.user = await this.ctx.service.projectAccount.getAccountInfoById(settle.user_id);
            settle.auditHistory = await this.ctx.service.settleAudit.getAuditorHistory(settle.id, times);
            // 获取审批流程中左边列表
            if (settle.status === auditConst.settle.status.checkNo && settle.user_id !== this.ctx.session.sessionUser.accountId) {
                const auditors = await this.ctx.service.settleAudit.getAuditors(settle.id, settle.audit_times - 1); // 全部参与的审批人
                const auditorGroups = this.ctx.helper.groupAuditors(auditors);
                settle.hisUserGroup = this.ctx.helper.groupAuditorsUniq(auditorGroups);
            } else {
                settle.hisUserGroup = settle.userGroups;
            }
        }

        /**
         * cancancel = 0 不可撤回
         * cancancel = 1 原报撤回
         * cancancel = 2 审批人撤回 审批通过
         * cancancel = 3 审批人撤回 审批退回上一人
         * cancancel = 4 审批人撤回 退回原报
         * cancancel = 5 会签未全部审批通过时，审批人撤回 审批通过
         *
         * @param settle
         * @returns {Promise<void>}
         */
        async _doCheckSettleCanCancel(settle) {
            // 默认不可撤回
            settle.cancancel = 0;
            // 获取当前审批人的上一个审批人，判断是否是当前登录人，并赋予撤回功能，（当审批人存在有审批过时，上一人不允许再撤回）
            const status = auditConst.settle.status;
            if (settle.status === status.checked || settle.status === status.uncheck) return;

            const accountId = this.ctx.session.sessionUser.accountId;
            if (settle.status !== status.checkNo) {
                // 找出当前操作人上一个审批人，包括审批完成的和退回上一个审批人的，同时当前操作人为第一人时，就是则为原报
                if (settle.flowAuditors.find(x => { return x.status !== status.checking}) && settle.flowAuditorIds.indexOf(accountId) < 0) return; // 当前流程存在审批人审批通过时，不可撤回
                const flowAssists = settle.auditAssists.filter(x => { return settle.flowAuditorIds.indexOf(x.user_id) >= 0; });
                if (flowAssists.find(x => { return x.confirm; })) return; //当前流程存在协审人确认时，不可撤回
                if (settle.curAuditorIds.indexOf(accountId) < 0 && settle.flowAuditorIds.indexOf(accountId) >= 0) {
                    settle.cancancel = 5; // 会签未全部审批通过时，审批人撤回审批通过
                    return;
                }

                const preAuditors = settle.curAuditors[0] && settle.curAuditors[0].order !== 1 ? settle.auditors.filter(x => { return x.order === settle.curAuditors[0].order - 1; }) : [];
                const preAuditorCheckAgain = preAuditors.find(pa => { return pa.status === status.checkAgain; });
                const preAuditorCheckCancel = preAuditors.find(pa => { return pa.status === status.checkCancel; });
                const preAuditorHasOld = preAuditors.find(pa => { return pa.is_old === 1; });
                const preAuditorIds = (preAuditorCheckAgain ? [] : preAuditors.map(x => { return x.aid })); // 重审不可撤回
                if ((this._.isEqual(settle.flowAuditorIds, preAuditorIds) && preAuditorCheckCancel) || preAuditorHasOld) {
                    return; // 不可以多次撤回
                }

                const preAuditChecked = preAuditors.find(pa => { return pa.status === status.checked && pa.aid === accountId; });
                const preAuditCheckNoPre = preAuditors.find(pa => { return pa.status === status.checkNoPre && pa.aid === accountId; });
                if (preAuditorIds.indexOf(accountId) >= 0) {
                    if (preAuditChecked) {
                        settle.cancancel = 2;// 审批人撤回审批通过
                    } else if (preAuditCheckNoPre) {
                        settle.cancancel = 3;// 审批人撤回审批退回上一人
                    }
                    settle.preAuditors = preAuditors;
                } else if (preAuditors.length === 0 && accountId === settle.user_id) {
                    settle.cancancel = 1;// 原报撤回
                }
            } else {
                const lastAuditors = await this.service.settleAudit.getAuditors(settle.id, settle.times - 1);
                const onAuditor = _.findLast(lastAuditors, { status: status.checkNo });
                if (onAuditor.aid === accountId) {
                    settle.cancancel = 4;// 审批人撤回退回原报
                    settle.preAuditors = lastAuditors.filter(x => { return x.order === onAuditor.order });
                }
            }
        }
        async _doCheckSettleReadOnly(settle) {
            const status = auditConst.settle.status;
            // 校验权限（参与人、分享、游客）
            const accountId = this.ctx.session.sessionUser.accountId;
            const shareIds = [];
            // 是否只读
            if (settle.status === status.uncheck || settle.status === status.checkNo) {
                settle.readOnly = accountId !== settle.user_id && settle.userAssistIds.indexOf(accountId) < 0;
            } else {
                settle.readOnly = true;
            }
            // 读取数据相关
            settle.curTimes = settle.status === status.checkNo && settle.readOnly ? settle.times - 1 : settle.times;
            // 协作人相关

            if (settle.status === status.uncheck) {
                if (!settle.readOnly) {
                    settle.assist = settle.userAssists.find(x => { return x.ass_user_id === accountId; });
                }
                settle.curTimes = settle.times;
            } else if (settle.status === status.checkNo) {
                if (!settle.readOnly) {
                    settle.assist = settle.userAssists.find(x => { return x.ass_user_id === accountId; });
                    settle.curTimes = settle.times;
                }
            } else {
                const ass = settle.auditAssists.find(x => { return settle.flowAuditorIds.indexOf(x.user_id) >= 0 && x.ass_user_id === accountId; });
                if (!settle.readOnly) {
                    settle.assist = ass;
                }
                if (!settle.readOnly) {
                    settle.readOnly = !_.isEqual(settle.flowAuditorIds, settle.curAuditorIds);
                    settle.canCheck = true;
                }
            }
            if (settle.readOnly) {
                settle.assist = accountId === settle.user_id || settle.auditorIds.indexOf(accountId) >= 0 ? null : settle.auditAssists.find(x => { return x.ass_user_id === accountId});
            }

            // 上传文件权限
            const permission = this.ctx.session.sessionUser.permission;
            if (settle.userIds.indexOf(accountId) >= 0 || this.ctx.session.sessionUser.is_admin) {
                settle.filePermission = true;
            } else {
                if (shareIds.indexOf(accountId) !== -1 || (permission !== null && permission.tender !== undefined && permission.tender.indexOf('2') !== -1)) {// 分享人
                    if (settle.status === status.uncheck) throw '您无权查看该数据';
                    settle.filePermission = false;
                } else if (this.ctx.tender.isTourist || this.ctx.session.sessionUser.is_admin) {
                    settle.filePermission = this.ctx.tender.touristPermission.file || settle.auditorIds.indexOf(accountId) !== -1;
                } else {
                    throw '您无权查看该数据';
                }
            }
        }
        async doCheckSettle(settle) {
            // 读取原报、审核人等参与人数据
            await this.loadRelaUser(settle);
            // 是否只读等权限
            await this._doCheckSettleReadOnly(settle);
            // 可否撤回，是哪一种撤回
            await this._doCheckSettleCanCancel(settle);
        }
    }

    return Settle;
};