'use strict';

/**
 *
 *
 * @author Mai
 * @date 2025/7/17
 * @version
 */

module.exports = app => {
    class tenderPermission extends app.BaseService {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @param {String} tableName - 表名
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'tender_permission';
            this.PermissionConst = {
                quality: {
                    view: { title: '查看', value: 1, isDefault: 1 },
                    upload: { title: '上传文件', value: 2 },
                    add: { title: '新增功能', value: 3 },
                },
            };
            this.PermissionBlock = [
                { key: 'quality', name: '质量管理', field: 'quality' },
            ];
            for (const p of this.PermissionBlock) {
                if (p.children) {
                    for (const c of p.children) {
                        c.permission = [];
                        const pConst = this.PermissionConst[c.key];
                        if (!pConst) continue;
                        for (const prop in pConst) {
                            c.permission.push({ key: prop, ...pConst[prop]});
                        }
                    }
                } else {
                    p.permission = [];
                    const pConst = this.PermissionConst[p.key];
                    if (!pConst) continue;
                    for (const prop in pConst) {
                        p.permission.push({ key: prop, ...pConst[prop]});
                    }
                }
            }
            this.AdminPermission = {};
            for (const p in this.PermissionConst) {
                this.AdminPermission[p] = this.ctx.helper.mapAllSubField(this.PermissionConst[p], 'value');
            }
        }

        partPermissionConst(part) {
            if (!part) return this.PermissionConst;

            const parts = part instanceof Array ? part : [part];
            const result = {};
            for (const p of parts) {
                result[p] = this.PermissionConst[p];
            }
            return result;
        }
        partPermissionBlock(part) {
            if (!part) return this.PermissionBlock;

            const parts = part instanceof Array ? part : [part];
            const result = this.PermissionBlock.filter(x => { return parts.indexOf(x.key) >= 0; });
            return result;
        }

        parsePermission(data) {
            const _ = this.ctx.helper._;
            const datas = data instanceof Array ? data : [data];
            datas.forEach(x => {
                for (const p in this.PermissionConst) {
                    x[p] = x[p] ? _.map(x[p].split(','), _.toInteger) : [];
                }
            });
        }

        // 权限检查
        conversePermission(permission) {
            const result = {};
            for (const block of this.PermissionBlock) {
                const per = {};
                for(const p of block.permission) {
                    per[p.key] = permission[block.key].indexOf(p.value) >= 0;
                }
                result[block.key] = per;
            }
            return result;
        }
        getAdminPermission() {
            return this.conversePermission(this.AdminPermission);
        }
        async getUserPermission(tid, uid) {
            const result = await this.getDataByCondition({ tid, uid });
            this.parsePermission(result);
            return this.conversePermission(result);
        }

        // 用户权限编辑
        async getPartsPermission(tid, parts) {
            if (!parts || parts.length === 0) return [];

            const partSql = parts.map(x => { return `${x} <> ''`}).join(' OR ');
            const sql = `SELECT qp.*, pa.name, pa.role FROM ${this.tableName} qp LEFT JOIN ${this.ctx.service.projectAccount.tableName} pa ON qp.uid = pa.id WHERE qp.tid = ? AND (${partSql})`;
            const result = await this.db.query(sql, [tid]);
            this.parsePermission(result);
            return result;
        }

        async savePermission(tid, member, permissionBlock) {
            const orgMember = await this.getAllDataByCondition({ where: { tid } });
            const updateMember = [], insertMember = [];
            for (const om of orgMember) {
                const nmi = member.findIndex(x => { return om.uid == x.uid; });
                if (nmi < 0) {
                    const um = { id: om.id };
                    for (const p of permissionBlock) {
                        um[p] = '';
                    }
                    updateMember.push(um);
                } else {
                    const nm = member[nmi];
                    const um = { id: om.id };
                    for (const p in this.PermissionConst) {
                        if (nm[p]) um[p] = nm[p].join(',');
                    }
                    updateMember.push(um);
                    member.splice(nmi, 1);
                }
            }
            for (const m of member) {
                const im = { id: this.uuid.v4(), pid: this.ctx.session.sessionProject.id, tid, uid: m.uid };
                for (const p in this.PermissionConst) {
                    if (m[p]) im[p] = m[p].join(',');
                }
                insertMember.push(im);
            }
            const conn = await this.db.beginTransaction();
            try {
                if (updateMember.length > 0) await conn.updateRows(this.tableName, updateMember);
                if (insertMember.length > 0) await conn.insert(this.tableName, insertMember);
                await conn.commit();
            } catch (err) {
                await conn.rollback();
                throw err;
            }
        }

    }

    return tenderPermission;
};