'use strict';

/**
 *
 *
 * @author Mai
 * @date
 * @version
 */
const rootId = '-1';
const imType = require('../const/tender').imType;
const defaultFunRela = {
    banOver: true,
    hintOver: true,
    banMinusChangeBills: true,
    minusNoValue: true,
    lockPayExpr: false,
    showMinusCol: true,
    imType: imType.zl.value,
    needGcl: false,
};
const funSet = require('../const/fun_set');
const defaultFunSet = funSet.defaultInfo;
const pageShowConst = require('../const/page_show').defaultSetting;

module.exports = app => {
    class SubProject 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 = 'sub_project';
            // const fileType = [{ key: 'file', value: 1, name: '资料归集'}, { key: 'info_progress', value: 2, name: '项目概况-阶段进度'}]
            this.FileReferenceType = { file: 1, info_progress: 2};
        }

        /**
         * 数据规则
         *
         * @param {String} scene - 场景
         * @return {Object} - 返回数据规则
         */
        rule(scene) {
            let rule = {};
            switch (scene) {
                case 'fun':
                    rule = {
                        imType: {type: 'enum', values: [imType.tz.value, imType.zl.value, imType.bb.value, imType.bw.value], required: true},
                        banOver: {type: 'bool', required: true,},
                        hintOver: {type: 'bool', required: true,},
                        banMinusChangeBills: {type: 'bool', required: true,},
                        minusNoValue: {type: 'bool', required: true,},
                        lockPayExpr: {type: 'bool', required: true,},
                        showMinusCol: {type: 'bool', required: true,},
                    };
                    break;
                default:
                    break;
            }
            return rule;
        }

        async getSubProject(pid, uid, admin, filterFolder = false) {
            let result = await this.getAllDataByCondition({ where: { project_id: pid, is_delete: 0 } });

            const permission = await this.ctx.service.subProjPermission.getUserPermission(pid, uid);
            result = result.filter(x => {
                if (x.is_folder) return !filterFolder;
                if (admin) return true;
                const pb = permission.find(y => { return x.id === y.spid});
                if (!pb) return false;
                x.user_permission = pb;
                // 只要项目下添加了账号，就允许看到项目
                return true;
                // return x.user_permission.budget_permission.length > 0 || x.user_permission.file_permission.length > 0 || x.user_permission.manage_permission.length > 0;
            });
            return result;
        }

        _filterEmptyFolder(data) {
            data.sort((a, b) => { return b.tree_level - a.tree_level});
            const result = [];
            for (const d of data) {
                if (!d.is_folder) result.push(d);
                if (result.find(x => { return x.tree_pid === d.id; })) result.push(d);
            }
            return result;
        }

        async getBudgetProject(pid, uid, admin) {
            let result = await this.getAllDataByCondition({ where: { project_id: pid, is_delete: 0 } });

            const adminPermission = this.ctx.service.subProjPermission.adminPermission;
            const permission = admin ? [] : await this.ctx.service.subProjPermission.getUserPermission(pid, uid);
            result = result.filter(x => {
                if (!x.is_folder && !x.budget_id) return false;
                if (x.is_folder) return true;
                if (admin) {
                    x.permission = adminPermission.budget_permission;
                    x.manage_permission = adminPermission.manage_permission;
                    return true;
                } else {
                    const pb = permission.find(y => { return x.id === y.spid});
                    if (!pb) return false;
                    x.permission = pb.budget_permission;
                    x.manage_permission = pb.manage_permission;
                    return x.permission.length > 0;
                }
            });
            return this._filterEmptyFolder(result);
        }

        async getFileProject(pid, uid, admin) {
            let result = await this.getAllDataByCondition({ where: { project_id: pid, is_delete: 0 } });

            const adminPermission = this.ctx.service.subProjPermission.adminPermission;
            const permission = await this.ctx.service.subProjPermission.getUserPermission(pid, uid);
            result = result.filter(x => {
                if (!x.is_folder && !x.management) return false;
                if (x.is_folder) return true;
                if (admin) {
                    x.permission = adminPermission.file_permission;
                    x.manage_permission = adminPermission.manage_permission;
                    return true;
                } else {
                    const pb = permission.find(y => { return x.id === y.spid});
                    if (!pb) return false;
                    x.permission = pb.file_permission;
                    x.manage_permission = pb.manage_permission;
                    return x.permission.length > 0;
                }
            });
            return this._filterEmptyFolder(result);
        }

        async getLastChild(tree_pid) {
            const result = await this.getAllDataByCondition({ where: { tree_pid, project_id: this.ctx.session.sessionProject.id }, orders: [['tree_order', 'desc']], limit: 1, offset: 0 });
            return result[0];
        }

        async getPosterityData(id){
            const result = [];
            let cur = await this.getAllDataByCondition({ where: { tree_pid: id, project_id: this.ctx.session.sessionProject.id } });
            let iLevel = 1;
            while (cur.length > 0 && iLevel < 6) {
                result.push(...cur);
                cur = await this.getAllDataByCondition({ where: { tree_pid: cur.map(x => { return x.id })} });
                iLevel += 1;
            }
            return result;
        }

        async getStepNode(node, step) {
            const tree_order = [];
            while(step) {
                tree_order.push(node.tree_order + step);
                if (step > 0) {
                    step = step - 1;
                } else {
                    step = step + 1;
                }
            }
            return await this.getAllDataByCondition({ where: { tree_pid: node.tree_pid, tree_order, project_id: this.ctx.session.sessionProject.id }, orders: [['tree_order', 'asc']]});
        }

        async addFolder(data) {
            const parent = await this.getDataById(data.tree_pid);
            if (parent && !parent.is_folder) throw '添加数据结构错误';
            const lastChild = await this.getLastChild(parent ? parent.id : rootId);

            const conn = await this.db.beginTransaction();
            try {
                // 获取当前用户信息
                const sessionUser = this.ctx.session.sessionUser;
                // 获取当前项目信息
                const sessionProject = this.ctx.session.sessionProject;

                const insertData = {
                    id: this.uuid.v4(), project_id: sessionProject.id, user_id: sessionUser.accountId,
                    tree_pid: data.tree_pid,
                    tree_level: parent ? parent.tree_level + 1 : 1,
                    tree_order: lastChild ? lastChild.tree_order + 1 : 1,
                    name: data.name, is_folder: 1,
                };
                const operate = await conn.insert(this.tableName, insertData);

                if (operate.affectedRows === 0) throw '新增文件夹失败';

                await conn.commit();
                return await this.getSubProject(sessionProject.id, sessionUser.accountId, sessionUser.is_admin);
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        async addSubProject(data) {
            const parent = await this.getDataById(data.tree_pid);
            if (parent && !parent.is_folder) throw '添加数据结构错误';
            const lastChild = await this.getLastChild(parent ? parent.id : rootId);

            const conn = await this.db.beginTransaction();
            try {
                // 获取当前用户信息
                const sessionUser = this.ctx.session.sessionUser;
                // 获取当前项目信息
                const sessionProject = this.ctx.session.sessionProject;

                const insertData = {
                    id: this.uuid.v4(), project_id: sessionProject.id, user_id: sessionUser.accountId,
                    tree_pid: data.tree_pid,
                    tree_level: parent ? parent.tree_level + 1 : 1,
                    tree_order: lastChild ? lastChild.tree_order + 1 : 1,
                    name: data.name, is_folder: 0,
                };
                const operate = await conn.insert(this.tableName, insertData);
                // todo 根据节点新增时的其他操作

                if (operate.affectedRows === 0) throw '新增文件夹失败';

                await conn.commit();
                return await this.getSubProject(sessionProject.id, sessionUser.accountId, sessionUser.is_admin);
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        async dragTo(data) {
            const dragNode = await this.getDataById(data.drag_id);
            const dropNode = await this.getDataById(data.drop_id);
            if (!dragNode || !dropNode || !dropNode.is_folder) throw '拖拽数据结构错误';
            const lastChild = await this.getLastChild(dropNode.id);
            const posterity = await this.getPosterityData(dragNode.id);

            const conn = await this.db.beginTransaction();
            try {
                const updateData = {
                    id: dragNode.id, tree_pid: dropNode.id, tree_level: dropNode.tree_level + 1,
                    tree_order: lastChild ? lastChild.tree_order + 1 : 1,
                };
                await conn.update(this.tableName, updateData);
                if (dragNode.tree_level !== dropNode.tree_level + 1 && posterity.length > 0) {
                    const posterityUpdateData = posterity.map(x => {
                        return { id: x.id, tree_level: dropNode.tree_level + 1 - dragNode.tree_level + x.tree_level }
                    });
                    await conn.updateRows(this.tableName, posterityUpdateData);
                }
                // 升级原来的后项的order
                await conn.query(`UPDATE ${this.tableName} SET tree_order = tree_order-1 WHERE tree_pid = ? AND tree_order > ?`, [dragNode.tree_pid, dragNode.tree_order]);
                await conn.commit();
            } catch (error) {
                await conn.rollback();
                throw error;
            }

            return await this.getSubProject(this.ctx.session.sessionProject.id, this.ctx.session.sessionUser.accountId, this.ctx.session.sessionUser.is_admin);
        }

        async _siblingMove(node, step) {
            const stepNode = await this.getStepNode(node, step);

            const conn = await this.db.beginTransaction();
            try {
                const updateData = [];
                updateData.push({ id: node.id, tree_order: node.tree_order + step });
                for (const sn of stepNode) {
                    updateData.push({ id: node.id, tree_order: step > 0 ? sn.tree_order - 1 : sn.tree_order + 1 });
                }
                await conn.updateRows(this.tableName, updateData);
                await conn.commit();
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        async _siblingMoveForce(node, step) {
            const sibling = await this.getAllDataByCondition({ where: { tree_pid: node.tree_pid, project_id: this.ctx.session.sessionProject.id }, orders: [['tree_order', 'asc']] });
            const nodeIndex = sibling.findIndex(x => { return x.id === node.id });
            if (nodeIndex + step < 0) throw '移动数据结构错误';
            if (nodeIndex + step > sibling.length - 1) throw '移动数据结构错误';

            const conn = await this.db.beginTransaction();
            try {
                const updateData = [];
                updateData.push({ id: node.id, tree_order: sibling[nodeIndex + step].tree_order });
                while(step) {
                    const stepNode = sibling[nodeIndex + step];
                    if (step > 0) {
                        updateData.push({ id: stepNode.id, tree_order: sibling[nodeIndex + step - 1].tree_order });
                        step = step - 1;
                    } else {
                        updateData.push({ id: stepNode.id, tree_order: sibling[nodeIndex + step + 1].tree_order});
                        step = step + 1;
                    }
                }
                await conn.updateRows(this.tableName, updateData);
                await conn.commit();
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        async _topMove(node) {
            const lastChild = await this.getLastChild(rootId);
            const posterity = await this.getPosterityData(node.id);

            const conn = await this.db.beginTransaction();
            try {
                const updateData = { id: node.id, tree_pid: rootId, tree_level: 1, tree_order: lastChild ? lastChild.tree_order + 1 : 1 };
                await conn.update(this.tableName, updateData);
                if (node.tree_level !== 1 && posterity.length > 0) {
                    const posterityUpdateData = posterity.map(x => {
                        return { id: x.id, tree_level: x.tree_level - node.tree_level + 1 }
                    });
                    await conn.updateRows(this.tableName, posterityUpdateData);
                }
                // 升级原来的后项的order
                await conn.query(`UPDATE ${this.tableName} SET tree_order = tree_order-1 WHERE tree_pid = ? AND tree_order > ?`, [node.tree_pid, node.tree_order]);
                await conn.commit();
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        async move(data) {
            const node = await this.getDataById(data.id);
            if (!node) throw '移动数据结构错误';

            switch(data.type) {
                case 'up': await this._siblingMoveForce(node, -1); break;
                case 'down': await this._siblingMoveForce(node, 1); break;
                case 'top': await this._topMove(node); break;
                default: throw '未知移动类型';
            }

            return await this.getSubProject(this.ctx.session.sessionProject.id, this.ctx.session.sessionUser.accountId, this.ctx.session.sessionUser.is_admin);
        }

        async del(id) {
            const node = await this.getDataById(id);
            if (!node) throw '删除的数据不存在';

            const posterity = await this.getPosterityData(node.id);
            const updateData = [
                { id: node.id, is_delete: 1 },
            ];
            posterity.forEach(x => {
                updateData.push({ id: x.id, is_delete: 1});
            });
            await this.db.updateRows(this.tableName, updateData);

            return await this.getSubProject(this.ctx.session.sessionProject.id, this.ctx.session.sessionUser.accountId, this.ctx.session.sessionUser.is_admin);
        }

        async save(data) {
            const result = await this.db.update(this.tableName, data);
            if (result.affectedRows > 0) {
                return data;
            } else {
                throw '更新数据失败';
            }
        }

        async setBudgetStd(data) {
            const subProject = await this.getDataById(data.id);
            const budgetStd = await this.ctx.service.budgetStd.getDataById(data.std_id);
            if (!budgetStd) throw '选择的概算标准不存在，请刷新页面重试';

            const conn = await this.db.beginTransaction();
            try {
                const budget_id = await this.ctx.service.budget.add(conn, {
                    pid: subProject.project_id, user_id: subProject.user_id, rela_tender: subProject.rela_tender
                }, budgetStd);
                const updateData = { id: data.id, std_id: budgetStd.id, std_name: budgetStd.name, budget_id };
                await conn.update(this.tableName, updateData);
                await conn.commit();
                return updateData;
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        async setRelaTender(data) {
            const subProject = await this.getDataById(data.id);
            const orgRelaTenderId = subProject.rela_tender.split(',');
            const conn = await this.db.beginTransaction();
            try {
                await conn.update(this.tableName, data);
                await conn.update(this.ctx.service.budget.tableName, { id: subProject.budget_id, rela_tender: data.rela_tender });
                const relaTenderId = data.rela_tender.split(',');
                const removeTenderId = orgRelaTenderId.filter(x => { return relaTenderId.indexOf(x) < 0});
                const addTenderId = relaTenderId.filter(x => { return orgRelaTenderId.indexOf(x) < 0});
                if (removeTenderId.length > 0) await conn.update(this.ctx.service.tender.tableName, { spid: '' }, { where: { id: removeTenderId }});
                if (addTenderId.length > 0) await conn.update(this.ctx.service.tender.tableName, { spid: data.id }, { where: { id: addTenderId }});
                await conn.commit();
                return data;
            } catch (error) {
                await conn.rollback();
                throw error;
            }

        }

        async addRelaTender(transaction, spid, tid) {
            if (!transaction) throw '未定义事务';

            const subProject = await this.getDataById(spid);
            if (!subProject) throw '所属项目不存在';
            const rela = subProject.rela_tender.split(',');
            if (rela.indexOf(tid + '') >= 0) return;

            rela.push(tid + '');
            const rela_tender = rela.join(',');
            await transaction.update(this.tableName, { id: spid, rela_tender});
            await transaction.update(this.ctx.service.budget.tableName, { id: subProject.budget_id, rela_tender});
        }

        async removeRelaTender(transaction, spid, tid) {
            if (!transaction) throw '未定义事务';

            const subProject = await this.getDataById(spid);
            if (!subProject) throw '所属项目不存在';
            const rela = subProject.rela_tender.split(',');
            if (rela.indexOf(tid + '') < 0) return;

            const rela_tender = rela.filter(x => { return x === tid + ''}).join(',');
            await transaction.update(this.tableName, { id: spid, rela_tender});
            await transaction.update(this.ctx.service.budget.tableName, { id: subProject.budget_id, rela_tender});
        }

        async setManagement(data) {
            const subProject = await this.getDataById(data.id);
            if (subProject.management === data.management) return data;

            const users = await this.ctx.service.projectAccount.getAllDataByCondition({ where: { project_id: subProject.project_id, company: data.management }});
            const orgMember = await this.ctx.service.subProjPermission.getAllDataByCondition({ where: { spid: subProject.id } });
            const dm = [], um = [], im = [];

            const template = await this.ctx.service.filingTemplateList.getDataById(data.filingTemplate);
            if (!template) throw '选择的文件类别不存在';

            const templateFiling = await this.ctx.service.filingTemplate.getAllDataByCondition({
                where: { temp_id: template.id, is_fixed: 1 },
            });
            const filing_type = this.ctx.service.filing.analysisFilingType(templateFiling).map(x => { return x.value; }).join(','), file_permission = '1,2';
            for (const u of users) {
                const nm = orgMember.find(x => { return u.id === x.uid; });
                if (nm) {
                    if (!nm.file_permission) um.push({ id: nm.id, file_permission, filing_type });
                } else {
                    im.push({ id: this.uuid.v4(), spid: subProject.id, pid: subProject.project_id, uid: u.id, file_permission, filing_type });
                }
            }

            const conn = await this.db.beginTransaction();
            try {
                await conn.update(this.tableName, { id: subProject.id, management: data.management, filing_template_id: template.id, filing_template_name: template.name });
                await this.ctx.service.filing.initFiling(subProject.id, data.filingTemplate, conn);
                if (dm.length > 0) await conn.delete(this.ctx.service.subProjPermission.tableName, { id: dm });
                if (um.length > 0) await conn.updateRows(this.ctx.service.subProjPermission.tableName, um);
                if (im.length > 0) await conn.insert(this.ctx.service.subProjPermission.tableName, im);

                await conn.commit();
                return data;
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        async refreshManagementPermission(data) {
            const subProject = await this.getDataById(data.id);

            const users = await this.ctx.service.projectAccount.getAllDataByCondition({ where: { project_id: subProject.project_id, company: subProject.management }});
            const orgMember = await this.ctx.service.subProjPermission.getAllDataByCondition({ where: { spid: subProject.id } });
            const dm = [], um = [], im = [];
            const filing_type = this.ctx.service.filing.allFilingType.join(','), file_permission = '1,2';
            for (const u of users) {
                const nm = orgMember.find(x => { return u.id === x.uid; });
                if (nm) {
                    if (!nm.file_permission) um.push({ id: nm.id, file_permission, filing_type });
                } else {
                    im.push({ id: this.uuid.v4(), spid: subProject.id, pid: subProject.project_id, uid: u.id, file_permission, filing_type });
                }
            }
            const conn = await this.db.beginTransaction();
            try {
                if (dm.length > 0) await conn.delete(this.ctx.service.subProjPermission.tableName, { id: dm });
                if (um.length > 0) await conn.updateRows(this.ctx.service.subProjPermission.tableName, um);
                if (im.length > 0) await conn.insert(this.ctx.service.subProjPermission.tableName, im);

                await conn.commit();
                return { dm: dm.length, um: um.length, im: im.length };
            } catch (error) {
                await conn.rollback();
                throw error;
            }
        }

        // 合同管理获取项目列表
        async getSubProjectByContract(pid, uid, admin, filterFolder = false) {
            let result = await this.getAllDataByCondition({ where: { project_id: pid, is_delete: 0 } });
            if (admin) return this._filterEmptyFolder(result);

            const permission = await this.ctx.service.contractAudit.getAllDataByCondition({ where: { uid } });
            result = result.filter(x => {
                if (x.is_folder) return !filterFolder;
                const pb = permission.find(y => { return x.id === y.spid; });
                if (!pb) return false;
                return true;
            });
            return this._filterEmptyFolder(result);
        }

        async getSubProjectByTender(pid, tenders, filterFolder = false) {
            if (tenders.length === 0) return [];
            const spids = this._.uniq(this._.map(tenders, 'spid'));
            let result = await this.getAllDataByCondition({ where: { project_id: pid, is_delete: 0 } });
            result = result.filter(x => {
                if (x.is_folder) return !filterFolder;
                if (!x.rela_tender) return false;
                return this._.includes(spids, x.id);
            });
            return this._filterEmptyFolder(result);
        }

        // 合同管理获取项目列表
        async getSubProjectByFinancial(pid, uid, admin, filterFolder = false) {
            let result = await this.getAllDataByCondition({ where: { project_id: pid, is_delete: 0 } });
            if (admin) return this._filterEmptyFolder(result);

            const permission = await this.ctx.service.financialAudit.getAllDataByCondition({ where: { uid } });
            result = result.filter(x => {
                if (x.is_folder) return !filterFolder;
                const pb = permission.find(y => { return x.id === y.spid; });
                if (!pb) return false;
                return true;
            });
            return this._filterEmptyFolder(result);
        }

        async getFileReference(subProject, file_type) {
            if (file_type) {
                return await this.db.query(`SELECT id, name FROM zh_file_reference_list WHERE file_type = ?`, [file_type]);
            } else {
                return await this.db.query(`SELECT id, name FROM zh_file_reference_list`);
            }
        };

        getPageShow(page_show) {
            const info = page_show ? JSON.parse(page_show) : {};
            for (const pi in pageShowConst) {
                info[pi] = info[pi] === undefined ? pageShowConst[pi] : parseInt(info[pi]);
                this.ctx.helper._.defaults(info[pi], pageShowConst[pi]);
            }
            return info;
        }

        async updatePageshow(id) {
            const result = await this.db.update(this.tableName, {
                id, page_show: JSON.stringify(this.ctx.subProject.page_show),
            });
            return result.affectedRows === 1;
        }

        /**
         * 功能设置
         * @param id
         * @returns {Promise<null>}
         */
        getFunRela(subProject) {
            const result = subProject.fun_rela ? JSON.parse(subProject.fun_rela) : {};
            this.ctx.helper._.defaults(result, defaultFunRela);
            return result;
        }

        async updateFunRela(id, data) {
            const result = await this.db.update(this.tableName, {
                id: id, fun_rela: JSON.stringify({
                    banOver: data.banOver, hintOver: data.hintOver, banMinusChangeBills: data.banMinusChangeBills,
                    imType: data.imType, needGcl: data.needGcl, minusNoValue: data.minusNoValue,
                    lockPayExpr: data.lockPayExpr, showMinusCol: data.showMinusCol,
                }),
            });
            return result.affectedRows === 1;
        }

        getFunSet(fun_set = null) {
            const result = fun_set ? JSON.parse(fun_set) : {};
            this.ctx.helper._.defaults(result, defaultFunSet);
            return result;
        }

        async updateFunSet(id, funSet) {
            const result = await this.db.update(this.tableName, {
                id, fun_set: JSON.stringify(funSet),
            });
            return result.affectedRows === 1;
        }
    }

    return SubProject;
};