'use strict';

/**
 *
 *
 * @author Mai
 * @date
 * @version
 */
const Ledger = require('../lib/ledger');

class loadGclBaseTree {
    /**
     * 构造函数
     * @param {Array} tempData - 清单模板数据
     */
    constructor (ctx, setting) {
        this.ctx = ctx;
        this.parent = setting.parent;
        this.defaultData = setting.defaultData;
        // 常量
        this.splitChar = '-';
        // 索引
        // 以code为索引
        this.codeNodes = {};
        this.items = [];

        // 缓存
        this.keyNodeId = setting.maxId ? setting.maxId + 1 : 1;
    }

    /**
     * 根据 编号 查找 父项项目节
     * @param {String} code - 子项编号
     * @returns {*}
     */
    findNode(node, parent) {
        parent = parent || this.parent;
        if (!parent.children) return null;

        for (const child of parent.children) {
            if (child.b_code === node.b_code && child.name === node.name && child.unit === node.unit) return child;
        }
    }

    /**
     * 添加 树节点 并完善该节点的树结构
     * @param {Object} node - 添加节点
     * @param {Object} parent - 父项
     * @returns {*}
     */
    addNode(source, parent) {
        parent = parent ? parent : this.parent;
        if (!parent.children) parent.children = [];

        let node = this.findNode(source, parent);
        if (!node) {
            node = {
                id: this.ctx.app.uuid.v4(),
                tender_id: this.ctx.tender.id,
                ledger_id: this.keyNodeId,
                ledger_pid: parent.ledger_id,
                level: parent.level +1,
                full_path: parent.full_path + '-' + this.keyNodeId,
                order: parent.children.length + 1,
                children: [],
                b_code: source.b_code,
                name: source.name,
                unit: source.unit,
            };
            this.keyNodeId += 1;
            parent.children.push(node);
            this.items.push(node);
        }
        return node;
    }

    gather(source, parent) {}
    getUpdateData() {}
}

class loadLedgerGclTree extends loadGclBaseTree {
    gather(source, parent) {
        const node = this.addNode(source, parent);
        node.sgfh_qty = this.ctx.helper.add(node.sgfh_qty, source.sgfh_qty);
        node.qtcl_qty = this.ctx.helper.add(node.qtcl_qty, source.qtcl_qty);
        node.sjcl_qty = this.ctx.helper.add(node.sjcl_qty, source.sjcl_qty);
        node.quantity = this.ctx.helper.add(node.quantity, source.quantity);
        return node;
    }

    getUpdateData() {
        const update = {id: this.parent.id, is_leaf: false};
        const create = [];
        for (const i of this.items) {
            create.push({
                id: i.id, tender_id: i.tender_id, ledger_id: i.ledger_id, ledger_pid: i.ledger_pid,
                level: i.level, order: i.order, full_path: i.full_path, is_leaf: !i.children || i.children.length === 0,
                b_code: i.b_code, name: i.name, unit: i.unit,
                sgfh_qty: i.sgfh_qty, sjcl_qty: i.sjcl_qty, qtcl_qty: i.qtcl_qty, quantity: i.quantity,
            })
        }
        return {update, create};
    }
}

class sumLoad {
    constructor (ctx) {
        this.ctx = ctx;
    }

    recusiveLoadGatherGcl(node, parent) {
        const cur = node.b_code ? this.loadTree.gather(node, parent) : parent;
        if (!node.children || node.children.length === 0) return;
        for (const child of node.children) {
            this.recusiveLoadGatherGcl(child, cur);
        }
    }

    async loadGatherGcl(select, maxId, tenders, defaultData) {
        this.loadTree = new loadLedgerGclTree(this.ctx, {
            parent: select, maxId, type: 'ledger', defaultData,
        });
        for (const tender of tenders) {
            const billsData = await this.ctx.service.ledger.getData(tender.tid);
            const billsTree = new Ledger.billsTree(this.ctx, {
                id: 'ledger_id',
                pid: 'ledger_pid',
                order: 'order',
                level: 'level',
                rootId: -1,
                keys: ['id', 'tender_id', 'ledger_id'],
                stageId: 'id',
            });
            billsTree.loadDatas(billsData);
            for (const top of billsTree.children) {
                if ([1].indexOf(top.node_type) < 0) continue;
                this.recusiveLoadGatherGcl(top, null);
            }
        }
        return this.loadTree;
    }
}

module.exports = sumLoad;