import 'dart:convert';
import 'dart:collection';

import 'package:flutter/material.dart';
import 'package:hitech_v2/products.dart';
import 'package:http/http.dart' as http;

void main() => runApp(MainApp());

class MainApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return MaterialApp(
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MainFetchData(),
    );
  }
}

class MainFetchData extends StatefulWidget {
  @override
  _MainFetchDataState createState() => _MainFetchDataState();

}
class _MainFetchDataState extends State<MainFetchData> {

  List<Products> list = List();
  var isLoading = false;
  var url = "my url api";
  var action = '';

  _fetchData() async {
    setState(() {
      isLoading = true;
    });
    final response = await http.get(url+"?action=search&term=display");
    if (response.statusCode == 200) {
      list = (json.decode(response.body) as List)
          .map((data) => new Products.fromJson(data))
          .toList();
      setState(() {
        isLoading = false;
      });
    } else {
      throw Exception('Impossibile caricare i prodotti');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text("Fetch Data JSON"),
        ),

        bottomNavigationBar: Padding(
          padding: const EdgeInsets.all(8.0),
          child: Row(
            children: <Widget>[
              Expanded(
                child: RaisedButton(
                  child: new Text("Fetch Data"),
                  onPressed: _fetchData,
                ),
              ),
              Expanded(
                  child: TextField(
                    decoration: InputDecoration(
                        border: InputBorder.none,
                        hintText: 'Cosa vuoi cercare?'
                    ),
                    onSubmitted: (text) {
                      setState(() {
                      });
                    },
                  )
              )
            ],
          )
        ),
        body: isLoading
            ? Center(
          child: CircularProgressIndicator(),
        )
            : ListView.builder(
            itemCount: list.length,
            itemBuilder: (BuildContext context, int index) {
              return ListTile(
                contentPadding: EdgeInsets.all(10.0),
                title: new Text(list[index].name),
                trailing: new Image.network(
                  list[index].image,
                  fit: BoxFit.cover,
                  height: 40.0,
                  width: 40.0,
                ),
              );
            })
    );
  }
}