import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:image_picker/image_picker.dart';
import 'package:medcify/models/store_item.dart';
import 'package:medcify/navigation/navigation.dart';

import '../../../components/alert.dart';
import '../../../network/api_provider.dart';

abstract class SettingsState{}

class SettingsInitial extends SettingsState{}
class SettingsLoading extends SettingsState{}
class SettingsSuccess extends SettingsState{}
class SettingsFailure extends SettingsState{
  String error;
  SettingsFailure(this.error);
}

class SettingsCubit extends Cubit<SettingsState> {
  SettingsCubit() : super(SettingsInitial());
  bool pharmacyStatus = true;
  bool pickup = true;
  bool codEnabled = true;
  bool prescriptionEnabled = true;
  bool discountEnabled = true;
  String returnPolicy = "";
  String wideDiscount = "0";
  StoreItem? store;
  String? image;
  String? document;
  ImagePicker picker = ImagePicker();

  Future<void> fetchMyStore() async{
    emit(SettingsLoading());
    final response = await ApiProvider.instance.fetchMyStore();
    if(response.status ?? false){
      store = response.store;
      pharmacyStatus = store?.storeStatus ?? false;
      pickup = store?.pickupEnabled ?? false;
      codEnabled = store?.codEnabled ?? false;
      discountEnabled = store?.discountEnabled ?? false;
      prescriptionEnabled = store?.prescriptionEnabled ?? false;
      returnPolicy = store?.returnPolicy ?? "";
      wideDiscount = store?.wideDiscount ?? "0";
      image = store?.storeImage ?? "";
      document = store?.storeDoc ?? "";
      emit(SettingsSuccess());
    }else{
      emit(SettingsFailure(response.message ?? "Something went wrong"));
    }
  }

  Future<void> getStoreImage(int pos) async{
    final XFile? value = await picker.pickImage(source: (pos == 0) ? ImageSource.camera : ImageSource.gallery);
    if(value != null){
      final bytes = (await value.readAsBytes()).lengthInBytes;
      final kb = bytes / 1024;
      final mb = kb / 1024;
      if(mb <= 5){
        updateStoreImage(value.path);
      }else{
        showToast("Select image below 5mb");
      }
    }
  }

  Future<void> updateStoreImage(String val) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.updateStoreImage(val);
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchMyStore();
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  Future<void> getDocumentImage(int pos) async{
    final XFile? value = await picker.pickImage(source: (pos == 0) ? ImageSource.camera : ImageSource.gallery);
    if(value != null){
      final bytes = (await value.readAsBytes()).lengthInBytes;
      final kb = bytes / 1024;
      final mb = kb / 1024;
      if(mb <= 5){
        updateDocumentImage(value.path);
      }else{
        showToast("Select image below 5mb");
      }
    }
  }

  Future<void> updateDocumentImage(String val) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.updateDocumentImage(val);
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchMyStore();
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  Future<void> changePharmacyStatus(bool val) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.updateStoreStatus((val) ? "1" : "2");
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchMyStore();
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  Future<void> changePickup(bool val) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.updatePickup((val) ? "1" : "2");
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchMyStore();
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  Future<void> changeCodStatus(bool val) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.updateCod((val) ? "1" : "2");
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchMyStore();
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  Future<void> changeDiscountStatus(bool val) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.updateDiscount((val) ? "1" : "2");
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchMyStore();
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  Future<void> changePrescriptionStatus(bool val) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.updatePrescription((val) ? "1" : "2");
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchMyStore();
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  void showAlert(String err){
    AlertX.instance.showAlert(
        title: "Error",
        msg: err,
        positiveButtonText: "Done",
        positiveButtonPressed: (){
          Navigation.instance.goBack();
        }
    );
  }

  void showToast(String msg) {
    Fluttertoast.showToast(
        msg: msg,
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.BOTTOM,
        timeInSecForIosWeb: 1,
        backgroundColor: Colors.grey.shade200,
        textColor: Colors.black,
        fontSize: 14.0
    );
  }

}