import 'dart:convert';

import 'package:cssd/models/my_item_model.dart';
import 'package:flutter/foundation.dart';

import '../config/urls.dart';
import '../config/user.dart';
import 'package:http/http.dart' as http;

class MyItemProvider extends ChangeNotifier {
  String searchBoxValue = '';
  bool filterOn = false;
  List<MyItemResultObject>? myItems;
  List<MyItemResultObject>? hospitalItems;

  List<MyItemResultObject>? originalMyItems;
  List<MyItemResultObject>? originalHospitalItems;

  List<MyItemResultObject>? originalMyItemsRequests;
  List<MyItemResultObject>? originalHospitalItemsRequests;

  List<MyItemResultObject>? originalItemHistory;

  MyItemFilterObject? filters = MyItemFilterObject(
    id: '',
    name: '',
    udi: '',
    size: '',
    specific: '',
  );
  int pageNumber = 1;
  void resetPageNumber() => pageNumber = 1;
  bool isloading = false;
  void resetLoading() {
    isloading = false;
    notifyListeners();
  }

  void setLoading() {
    isloading = true;
    // notifyListeners();
  }

  void searchMyItems(String value) {
    myItems = [];
    searchBoxValue = value;
    originalMyItems!.forEach((result) {
      if (result.id.toString().contains(searchBoxValue)) {
        myItems!.add(result);
      }
    });
    notifyListeners();
  }

  void searchHospitalItems(String value) {
    hospitalItems = [];
    searchBoxValue = value;
    originalHospitalItems!.forEach((result) {
      if (result.id.toString().contains(searchBoxValue)) {
        hospitalItems!.add(result);
      }
    });
    notifyListeners();
  }

  void setFilters(
    id,
    name,
    udi,
    size,
    specific,
  ) {
    pageNumber = 1;
    filters = MyItemFilterObject(
      id: id,
      name: name,
      udi: udi,
      size: size,
      specific: specific,
    );
    if (filters!.id == '' &&
        filters!.name == '' &&
        filters!.size == '' &&
        filters!.specific != '' &&
        filters!.udi == '') {
      filterOn = false;
    } else {
      filterOn = true;
    }
    notifyListeners();
  }

  Future<void> getMyItems() async {
    String url = Url.getMyItems(pageNumber);
    if (filterOn) {
      if (filters!.id != '') {
        url += '&item_id=${filters!.id}';
      }
      if (filters!.name != '') {
        url += '&name=${filters!.name}';
      }
      if (filters!.size != '') {
        url += '&size=${filters!.size}';
      }
      if (filters!.specific != '') {
        url += '&specific=${filters!.specific}';
      }
      if (filters!.udi != '') {
        url += '&udi=${filters!.udi}';
      }
    }
    var response = await http.get(
      Uri.parse(url),
      headers: {'Authorization': User.token, "Accept": "application/json"},
    );

    var itemsData = json.decode(response.body);

    if (pageNumber == 1) {
      originalMyItems = [];
    }

    for (var item in itemsData['data']) {
      originalMyItems!.add(
        MyItemResultObject(
          name: item['name'],
          id: item['id'].toString(),
          size: item['size'].toString(),
        ),
      );
    }
    pageNumber += 1;
    searchMyItems('');
  }

  Future<void> getHospitalItems() async {
    String url = Url.getHospitalItems(pageNumber);
    if (filterOn) {
      if (filters!.id != '') {
        url += '&item_id=${filters!.id}';
      }
      if (filters!.name != '') {
        url += '&name=${filters!.name}';
      }
      if (filters!.size != '') {
        url += '&size=${filters!.size}';
      }
      if (filters!.specific != '') {
        url += '&specific=${filters!.specific}';
      }
      if (filters!.udi != '') {
        url += '&udi=${filters!.udi}';
      }
    }
    var response = await http.get(
      Uri.parse(url),
      headers: {'Authorization': User.token, "Accept": "application/json"},
    );

    print(response.body);

    var itemsData = json.decode(response.body);

    if (pageNumber == 1) {
      originalHospitalItems = [];
    }

    for (var item in itemsData['data']) {
      originalHospitalItems!.add(
        MyItemResultObject(
          name: item['name'],
          id: item['id'].toString(),
          size: item['size'].toString(),
          userName: item['user'] != null ? item['user']['name'] : '',
        ),
      );
    }
    pageNumber += 1;
    searchHospitalItems('');
  }

  Future<void> getItemsHistory(String id) async {
    String url = Url.getItemResult(id);
    var response = await http.get(
      Uri.parse(url),
      headers: {'Authorization': User.token, "Accept": "application/json"},
    );

    var itemsData = json.decode(response.body)['data'];

    String fromDate = '';
    String toDate = '';
    String userHistory = '';
    for (var transfer in itemsData['transfers']) {
      fromDate =
          transfer['from_date'] != null ? transfer['from_date'].toString() : '';
      toDate =
          transfer['to_date'] != null ? transfer['to_date'].toString() : '';
      userHistory = transfer['user']['name'].toString();
    }
    if (itemsData.isNotEmpty) {
      originalItemHistory!.add(
        MyItemResultObject(
          name: itemsData['name'],
          id: itemsData['id'].toString(),
          size: itemsData['size'].toString(),
          fromDate: fromDate,
          toDate: toDate,
          userHistory: userHistory,
        ),
      );
      originalItemHistory!.reversed.toList();
    }
  }

  Future<void> getMyItemRequests() async {
    String url = Url.getMyItemRequests;
    var response = await http.get(
      Uri.parse(url),
      headers: {'Authorization': User.token, "Accept": "application/json"},
    );

    var itemsData = json.decode(response.body);

    originalMyItemsRequests = [];

    for (var item in itemsData['data']) {
      originalMyItemsRequests!.add(
        MyItemResultObject(
          name: item['transferable']['name'],
          id: item['transferable']['id'].toString(),
          size: item['transferable']['size'].toString(),
          requestId: item['id'].toString(),
        ),
      );
    }
  }

  Future<void> getHospitalItemRequests() async {
    String url = Url.getHospitalItemRequests;
    var response = await http.get(
      Uri.parse(url),
      headers: {'Authorization': User.token, "Accept": "application/json"},
    );

    var itemsData = json.decode(response.body);
    print(itemsData);

    originalHospitalItemsRequests = [];

    for (var item in itemsData['data']) {
      originalHospitalItemsRequests!.add(
        MyItemResultObject(
          name: item['transferable']['name'].toString(),
          id: item['transferable']['id'].toString(),
          size: item['transferable']['size'].toString(),
          userName: item['user'] != null ? item['user']['name'] : '',
          requestId: item['id'].toString(),
        ),
      );
    }
  }

  Future<void> transferItems(String itemId, String userId) async {
    var response = await http.post(
      Uri.parse(Url.transferItems(itemId)),
      body: json.encode(
        {
          'user_id': userId,
        },
      ),
      headers: {
        'Authorization': User.token,
        'X-Requested-With': 'XMLHttpRequest',
        "Content-Type": "application/json",
        "Accept": "application/json"
      },
    );

    var itemData = json.decode(response.body);
    print(itemData);
  }

  Future<void> repairItems(String itemId, String value) async {
    var response = await http.post(
      Uri.parse(Url.repairItems(itemId)),
      body: json.encode(
        {
          'status': value,
        },
      ),
      headers: {
        'Authorization': User.token,
        'X-Requested-With': 'XMLHttpRequest',
        "Content-Type": "application/json",
        "Accept": "application/json"
      },
    );
    print(response.statusCode);
  }

  Future<bool> verifyItemRequests(String id, String value) async {
    var response = await http.post(
      Uri.parse(Url.verifyItemRequests(id, value)),
      body: json.encode({'status': value}),
      headers: {
        'Authorization': User.token,
        'X-Requested-With': 'XMLHttpRequest',
        "Content-Type": "application/json",
        "Accept": "application/json"
      },
    );

    var itemData = json.decode(response.body);
    print(response.statusCode);
    print(itemData);

    try {
      if (itemData['data']['transfers']['status'] == 'approved') {
        return true;
      } else {
        return false;
      }
    } catch (e) {
      print(e);
      return false;
    }
  }
}