const http = require('http');
const cheerio = require('cheerio');

http.get(
    'http://thuoctot24h.com/thuc-pham-chuc-nang/sinh-lysinh-san-nam',
    function(res) {
        let rawData = '';

        res.on('data', (chunk) => { rawData += chunk; });

        res.on('end', async() => {
            const $ = await cheerio.load(rawData);
            const selecTenSP = $('div.list-item');
            var listURL = [];
            for (var i = 0; i < selecTenSP.length; i++) {
                listURL.push(selecTenSP[i].children[0].children[0].children[1].attribs.href);

            }

            listURL.forEach(function(motPhanTu) {
                http.get(
                    motPhanTu,
                    function(res) {
                        let rawData = '';

                        res.on('data', (chunk) => { rawData += chunk; });

                        res.on('end', async() => {
                            const $ = await cheerio.load(rawData);
                            
                            

                            //ten thuoc
                            const selecTenSP = $('h1.title-name-product');
                            var tenSP = selecTenSP[0].children[0].data;
                            
                            

                            //Gia
                            const selecGiaSP = $('span.lb-price.price-main');
                            var giaSP = selecGiaSP[0].children[0].data;
                            
                            var selec = $('#content > h2');
                            var motChiMuc=[];

                            for (var i = 0; i < selec.length; i++) {
                                var line = [];
                                while (selec[i].next.name == 'p') {
                                    if (selec[i].next.children[0].data != null)
                                        line.push(selec[i].next.children[0].data);
                                    selec[i] = selec[i].next;
                                    if (selec[i].next == null)
                                        break;
                                }
                                motChiMuc.push(line);

                            }
                            
                            //Thanh phan
                            var thanhPhan=[];
                            const selecTable=$('#content > table');
                            if(selecTable.name!='table')
                            {
                                console.log("Co bang!");

                            }else
                            {

                                console.log('Khong co bang');
                            }
                            //     var line=[];
                            //     var motThanhPhan=[];
                            //  while(selecTable[0].name=='tr')
                            //  {
                            //     for(var i=0;i<4;i++)
                            //     {
                            //         line.push(selecTable[0].children[i].children[0].data);
                            //         if(i==1 || i==3)
                            //         {
                            //             motThanhPhan.push(line);
                            //             line=[];
                            //         }
                            //     }
                            //     listThanhPhan.push(motThanhPhan);
                            //     if(selecTable[0].next==null)
                            //         break;
                            //     selecTable[0]=selecTable[0].next;
                            //  }            
                
                            //  thanhPhan.push(motThanhPhan);
                
                            // }else
                            // {
                                

                            // }


                            var congDung=motChiMuc[0];
                            var doiTuongSD=motChiMuc[2];
                            var cachSD=motChiMuc[3];
                            var nguonGoc=motChiMuc[4];


                            var data = {
                                ten: tenSP,
                                gia: giaSP,
                                congDung:congDung,
                                doiTuongSD:doiTuongSD,
                                cachSuDung: cachSD,
                                thongTinSP: nguonGoc
                            };
                
                            const str = JSON.stringify(data);
                            console.log(str);
                            console.log('Mot san pham-----------');

                        })
                    }
                )
            })



        })
    }
)