'use strict';

const Service = require('../core/base_service');

const { Op } = require('sequelize');

const fileName = "BindSNRecord";

class BindSNRecordService extends Service {
    // 查看SN号绑定记录
    async showBindSNRecord(body) {
        const { ctx } = this;
        try {
            let { offset, limit, searchOptions, sortOptions } = body;
            offset = (offset - 1) * limit;
            let attributes = ['user_uid', 'sn_number', 'type', 'created_at'],
                where = {}, order = [], dbOptions, joinSubstring = [],
                substring = ['user_uid', 'sn_number'],
                key = ['type'],
                between = ['created_at'];
            attributes.forEach(element => {
                if (searchOptions[element]) {
                    if (searchOptions[element] == '*空') {
                        if (joinSubstring.includes(element)) {
                            where[element] = null;
                        } else {
                            where[element] = [null, ''];
                        }
                    } else if (substring.includes(element)) {
                        where[element] = { [Op.substring]: searchOptions[element] };
                    } else if (key.includes(element)) {
                        where[element] = searchOptions[element];
                    } else if (between.includes(element)) {
                        where[element] = { [Op.between]: [searchOptions[element][0], searchOptions[element][1]] };
                    }
                }
                if (sortOptions[element] == true) {
                    order.push([element, 'ASC']);
                } else if (sortOptions[element] == false) {
                    order.push([element, 'DESC']);
                }
            });
            const [bside, cside, bsideRecord, csideRecord] = await Promise.all([
                ctx.model.BSide.findAll({ attributes: ['uid', 'account_name'] }),
                ctx.model2.CSide.findAll({ attributes: ['uid', 'account_name'] }),
                ctx.model.BindBSNrecord.findAll({ attributes: ['user_uid', 'sn_number', 'created_at'] }),
                ctx.model2.BindCSNrecord.findAll({ attributes: ['user_uid', 'sn_number', 'created_at'] })
            ]);
            if (searchOptions.account_name) {
                if (searchOptions.account_name == '*空') {
                    where.user_uid = [null, ''];
                } else {
                    let userArr = [], SNArr = [], createdArr = [];
                    bside.filter(item => {
                        if (item.dataValues.account_name.includes(searchOptions.account_name)) {
                            bsideRecord.filter(item2 => {
                                if (item2.dataValues.user_uid == item.dataValues.uid) {
                                    userArr.push(item2.dataValues.user_uid);
                                    SNArr.push(item2.dataValues.sn_number);
                                    createdArr.push(item2.dataValues.created_at);
                                }
                            });
                        }
                    });
                    cside.filter(item => {
                        if (item.dataValues.account_name.includes(searchOptions.account_name)) {
                            csideRecord.filter(item2 => {
                                if (item2.dataValues.user_uid == item.dataValues.uid) {
                                    userArr.push(item2.dataValues.user_uid);
                                    SNArr.push(item2.dataValues.sn_number);
                                    createdArr.push(item2.dataValues.created_at);
                                }
                            });
                        }
                    });
                    where.user_uid = [...userArr];
                    where.sn_number = [...SNArr];
                    where.created_at = [...createdArr];
                }
            }
            dbOptions = { attributes, offset, limit, where, order };
            let result;
            if (searchOptions.side !== undefined && searchOptions.side !== '') {
                if (searchOptions.side == '0') {
                    result = await ctx.model.BindBSNrecord.findAndCountAll(dbOptions);
                } else if (searchOptions.side == '1') {
                    result = await ctx.model2.BindCSNrecord.findAndCountAll(dbOptions);
                }
            } else {
                dbOptions.limit = Math.floor(limit / 2);
                dbOptions.offset = Math.floor(offset / 2);
                const [bresult, cresult] = await Promise.all([
                    ctx.model.BindBSNrecord.findAndCountAll(dbOptions),
                    ctx.model2.BindCSNrecord.findAndCountAll(dbOptions)
                ]);
                result = {
                    count: bresult.count + cresult.count,
                    rows: bresult.rows.concat(cresult.rows)
                };
                result.rows.sort((a, b) => b.dataValues.created_at - a.dataValues.created_at);
            }
            result.rows.forEach(element => {
                element.dataValues.account_name = '';
                element.dataValues.side = element.dataValues.user_uid[element.dataValues.user_uid.length - 1] == 'B' ? '0' : '1';
                bside.filter(item => {
                    if (item.dataValues.uid == element.dataValues.user_uid) {
                        element.dataValues.account_name = item.dataValues.account_name;
                    } else {
                        cside.filter(item2 => {
                            if (item2.dataValues.uid == element.dataValues.user_uid) {
                                element.dataValues.account_name = item2.dataValues.account_name;
                            }
                        });
                    }
                });
            });
            return result.rows.length == 0 ? false : result;
        } catch (error) {
            const blockName = fileName + "--" + "showBindSNRecord";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 删除SN号绑定记录
    async deleteBindSNRecord(uid, modelType, password, requestMsg) {
        const { ctx } = this;
        const systemBindSNRecord = {
            operate: 2,
            operate_msg: '删除SN号绑定记录',
            type: 1,
            status: 0,
            affect_entries: 0,
            user: uid,
            created_at: new Date()
        };
        try {
            const result = await ctx.model3.Insiders.findOne({ where: { uid } });
            if (!result || result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt)) || result.dataValues.role < 9) {
                if (!result) systemBindSNRecord.status = 0;
                else if (result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt))) systemBindSNRecord.status = 1;
                else if (result.dataValues.role < 9) systemBindSNRecord.status = 2;
                await ctx.model3.Monitoring.create(systemBindSNRecord);
                return false;
            };
            let where = {};
            if (modelType == "single") {
                const { sn_number, type, created_at } = requestMsg;
                where = { sn_number, type, created_at };
            } else if (modelType == "multiple") {
                let sn_number = [], type = [], created_at = [];
                for (const key in requestMsg) {
                    requestMsg[key].forEach(element => {
                        sn_number.push(element.sn_number),
                        type.push(element.type),
                        created_at.push(element.created_at)
                    });
                }
                where = { sn_number, type, created_at };
            }
            const [bresultList, cresultList] = await Promise.all([
                ctx.model.BindBSNrecord.destroy({ where }),
                ctx.model2.BindCSNrecord.destroy({ where })
            ]);
            systemBindSNRecord.status = bresultList + cresultList == 0 ? 3 : 4;
            systemBindSNRecord.affect_entries = bresultList + cresultList;
            await ctx.model3.Monitoring.create(systemBindSNRecord);
            return bresultList + cresultList == 0 ? false : true;
        } catch (error) {
            systemBindSNRecord.status = 5;
            await ctx.model3.Monitoring.create(systemBindSNRecord);
            const blockName = fileName + "--" + "deleteBindSNRecord";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }
}

module.exports = BindSNRecordService;