/**
 * Created by Mai on 2017/4/17.
 */
var BillsTemplateData = require('../models/bills_template');

var callback = function(req, res, err, message, data){
    res.json({error: err, message: message, data: data});
};

module.exports = {
    getBillsTemplate: function(req, res){
        var data = JSON.parse(req.body.data);
        BillsTemplateData.getTemplate(data.tempType, function(err, message, templates){
            if (templates) {
                callback(req, res, err, message, templates);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },
    updateBillsTemplate: function (req, res) {
        var data = JSON.parse(req.body.data);
        BillsTemplateData.updateTemplate(data.user_id, data.tempType, data.updateData, function (err, message, data) {
            if (err === 0) {
                callback(req, res, err, message, data);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },
    getNewBillsTemplateID: function (req, res) {
        var data = JSON.parse(req.body.data);
        BillsTemplateData.getNewBillsTemplateID(data.count, function (err, message, data) {
            callback(req, res, err, message, data);
        });
    },
    getNeedfulTemplate: async function (req, res) {
        let data = JSON.parse(req.body.data),
            allTemplateLibIDs = data.allTemplateLibIDs;
        try {
            let task = [];
            for (let templateLibID of allTemplateLibIDs) {
                task.push(BillsTemplateData.getNeedfulTemplate(templateLibID));
            }
            let needfulDatas = await Promise.all(task);
            let mapping = {};
            needfulDatas.forEach((data, index) => {
                let curLibID = allTemplateLibIDs[index];
                mapping[curLibID] = data;
            });
            callback(req, res, 0, 'succes', mapping);
        } catch (err) {
            console.log(err);
            const msg = err.message || err;
            callback(req, res, 1, msg, null);
        }
    }
}