'use strict';

/**
 *
 * 2024/3/21
 * @author Mai
 * @date
 * @version
 */

const FtType = {
    org: 0,
    add: 1,
};

module.exports = app => {

    class FilingTemplateList extends app.BaseService {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'filing_template_list';
            this.FtType = FtType;
        }

        async getOriginTemplate() {
            return await this.getDataByCondition({ ft_type: FtType.org });
        }

        async getAllTemplate(pid) {
            const sql = `SELECT * FROM ${this.tableName} WHERE ft_type = ${FtType.org} OR project_id = ? ORDER BY create_time asc`;
            return await this.db.query(sql, [pid]);
        }

        async getShareTemplate(pid) {
            const sql = `SELECT ftl.*, p.name as project_name, pa.name as user_name FROM ${this.tableName} ftl 
                            LEFT JOIN ${this.ctx.service.projectAccount.tableName} pa ON ftl.user_id = pa.id
                            LEFT JOIN ${this.ctx.service.project.tableName} p ON ftl.project_id = p.id  
                            WHERE ftl.is_share = 1 and ftl.project_id <> ?`;
            return await this.db.query(sql, [pid]);
        }

        /**
         * 保存/新增数据
         *
         * @param {Object} name - 模板名称
         * @param {String} id - 存在则为保存，反之新增
         * @return {boolean} - 操作结果
         */
        async save(name, is_share, id = '') {
            if (id) {
                const updateData = { id };
                if (name !== undefined) updateData.name = name;
                if (is_share !== undefined) updateData.is_share = is_share;
                const result = await this.defaultUpdate(updateData);
                return [result.affectedRows > 0, id];
            } else {
                const conn = await this.db.beginTransaction();
                try {
                    const newTemplate = {
                        id: this.uuid.v4(), project_id: this.ctx.session.sessionProject.id,
                        user_id: this.ctx.session.sessionUser.accountId,
                        name: name || '新增XXX模板库', ft_type: FtType.add,
                    };
                    await conn.insert(this.tableName, newTemplate);
                    await this.ctx.service.filingTemplate.initTemplate(conn, newTemplate);
                    await conn.commit();
                    return [true, newTemplate.id];
                } catch (err) {
                    this.ctx.log(err);
                    await conn.rollback();
                    return [false, ''];
                }
            }
        }

        /**
         * 拷贝模板
         *
         * @param {string} shareId - 拷贝模板的id
         * @return {Boolean} - 操作结果
         */
        async copy(shareId) {
            const shareTemplate = await this.getDataById(shareId);
            if (!shareTemplate.is_share) throw '模板已取消共享';
            const shareTemplateData = await this.ctx.service.filingTemplate.getData(shareId);

            const conn = await this.db.beginTransaction();
            try {
                const newTemplate = {
                    id: this.uuid.v4(), project_id: this.ctx.session.sessionProject.id,
                    user_id: this.ctx.session.sessionUser.accountId,
                    name: shareTemplate.name || '拷贝XXX模板库', ft_type: FtType.add,
                };
                await conn.insert(this.tableName, newTemplate);
                await this.ctx.service.filingTemplate.initTemplate(conn, newTemplate, shareTemplateData);
                await conn.commit();
                return [true, newTemplate.id];
            } catch (err) {
                this.ctx.log(err);
                await conn.rollback();
                return [false, err.stack ? '拷贝模板数据错误' : ''];
            }
        }

        /**
         * 删除模板
         *
         * @param {string} id - 删除的id
         * @return {Boolean} - 返回删除的结果
         */
        async delete(id) {
            const conn = await this.db.beginTransaction();
            try {
                await conn.delete(this.tableName, { id });
                await conn.delete(this.ctx.service.filingTemplate.tableName, { temp_id: id });
                await conn.commit();
                return true;
            } catch (error) {
                this.ctx.log(error);
                await conn.rollback();
                return false;
            }
        }

        async reset(id) {
            const template = await this.getDataById(id);
            const conn = await this.db.beginTransaction();
            try {
                await conn.delete(this.ctx.service.filingTemplate.tableName, { temp_id: id });
                await this.ctx.service.filingTemplate.initTemplate(conn, template);
                await conn.commit();
            } catch(err) {
                await conn.rollback();
                throw err;
            }
        }

    }

    return FilingTemplateList;
};