const fetch = require('node-fetch');
const { LotDb } = require("./lotDb");
const lotDb = new LotDb();
const { SaleDb } = require("./saleDb");
const saleDb = new SaleDb();
const moment = require('moment-timezone');

const Agent = class
{
    constructor()
    {
        this.ApiAgentURL = "http://host.docker.internal:3020/api";
    }

    async getSaleInfos(url)
    {
        return new Promise((resolve, reject) => {
            url = encodeURIComponent(url);
            fetch(this.ApiAgentURL+'/sale/getSaleInfos/'+url)
                .then(response => response.json())
                .then(data => {
                    resolve(data);
                })
                .catch(error => {
                    reject(error);
                });
        });
    }

    async prepareSale(id)
    {
        return new Promise(async (resolve, reject) => {    
            
            let Sale = await saleDb.get(id);

            const DateSale = moment.tz(Sale.date, "Europe/Paris");
            const NowParis = moment.tz(new Date(),"Europe/Paris")
           
            if (NowParis.isBefore(DateSale)){

                let url = Sale.url
                url = encodeURIComponent(url);

                fetch(this.ApiAgentURL+'/sale/getLotList/'+url)
                    .then(response => response.json())
                    .then( async data => {

                        for (let lot of data) {
                            lot.sale_id = Sale._id                
                            await lotDb.post(lot);          
                        }
                        resolve(data);
                    })
                    .catch(error => {
                        reject(error);
                    });
            }else{
                console.log("Sale started or finished");
                resolve([]);
            }
        });
    }

    async followSale(id)
    {
        return new Promise(async (resolve, reject) => {
            let Sale = await saleDb.get(id);
        
            let url = Sale.url
            url = encodeURIComponent(url);

            fetch(this.ApiAgentURL+'/sale/followSale/'+url)
                .then(response => response.json())
                .then(async data => {

                    // set the Sale status to following
                    Sale.status = "following";
                    Sale = await saleDb.put(id, Sale);
                    resolve(data);
                })
                .catch(error => {
                    reject(error);
                });
        });
    }

}

module.exports = {Agent};