import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:geolocator/geolocator.dart';
import 'package:geocoding/geocoding.dart';
import 'package:grocery_app/src/logic/provider/addTocart_provider.dart';
import 'package:grocery_app/src/logic/provider/address_provider.dart';
import 'package:grocery_app/utils/constants/color_constant.dart';
import 'package:grocery_app/utils/extensions/uicontext.dart';

import 'package:http/http.dart' as http;
import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
import 'package:provider/provider.dart';

const String googleApiKey = "AIzaSyAi3_Dls63iGs7Nccgdm-4FkS0rhT03-4U";

class AddLocationAddress extends StatefulWidget {
  @override
  _AddLocationAddressState createState() => _AddLocationAddressState();
}

class _AddLocationAddressState extends State<AddLocationAddress> {
  final _formKey = GlobalKey<FormState>();
  late GoogleMapController mapController;
  LatLng _selectedLocation = LatLng(20.5937, 78.9629);

  TextEditingController _pincodeController = TextEditingController();
  TextEditingController _fullNameController = TextEditingController();
  TextEditingController _PhoneNumberController = TextEditingController();
  TextEditingController _addressTypeController = TextEditingController();
  TextEditingController _HouseNoController = TextEditingController();
  TextEditingController _RoadController = TextEditingController();
  TextEditingController _AlterNativeNumberController = TextEditingController();

  @override
  void initState() {
    super.initState();
    _determinePosition();
  }

  Future<void> _determinePosition() async {
    bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
    if (!serviceEnabled) {
      return;
    }

    LocationPermission permission = await Geolocator.requestPermission();
    if (permission == LocationPermission.denied) {
      return;
    }

    Position position = await Geolocator.getCurrentPosition(
      desiredAccuracy: LocationAccuracy.high,
    );
    LatLng currentLatLng = LatLng(position.latitude, position.longitude);

    setState(() {
      _selectedLocation = currentLatLng;
    });

    _getAddressFromLatLng(position.latitude, position.longitude);
  }

  Future<void> _getAddressFromLatLng(double lat, double lng) async {
    final String url =
        "https://maps.googleapis.com/maps/api/geocode/json?latlng=$lat,$lng&key=$googleApiKey";

    try {
      final response = await http.get(Uri.parse(url));
      if (response.statusCode == 200) {
        final data = json.decode(response.body);
        if (data["status"] == "OK") {
          var result = data["results"][0]; // First result is most accurate

          _RoadController.text = result["formatted_address"];
          List components = result["address_components"];

          String roadName = "";
          String colony = "";
          String buildingName = "";
          String pincode = "";

          for (var component in components) {
            List types = component["types"];
            if (types.contains("route")) {
              roadName = component["long_name"]; // Road Name
            } else if (types.contains("sublocality_level_1") ||
                types.contains("locality")) {
              colony = component["long_name"]; // Colony Name
            } else if (types.contains("premise") ||
                types.contains("street_number")) {
              buildingName = component["long_name"]; // Building Name
            } else if (types.contains("postal_code")) {
              pincode = component["long_name"]; // Extract Pin Code
            }
          }

          // setState(() {
          //   //  _address = formattedAddress;
          //   _roadName = roadName;
          //   _colony = colony;
          //   _buildingName = buildingName;
          // });

          _pincodeController.text = pincode;
          _RoadController.text = result["formatted_address"];

          print(
              "Full Address: ${result["formatted_address"]}    ${response.body}  sdfsgd  ${pincode}");
          print("Road Name: $roadName");
          print("Colony: $colony");
          print("Building Name: $buildingName");
        } else {}
      } else {}
    } catch (e) {
      print("Error fetching address: $e");
    }
  }




  void _onMapTapped(LatLng tappedPoint) {
    setState(() {
      _selectedLocation = tappedPoint;
    });
    _getAddressFromLatLng(tappedPoint.latitude, tappedPoint.longitude);
  }

  Future<void> _updateLocationFromPincode(String enteredPincode) async {
    if (enteredPincode.isEmpty) return;

    try {
      List<Location> locations = await locationFromAddress(enteredPincode);
      if (locations.isNotEmpty) {
        Location location = locations.first;
        LatLng newLatLng = LatLng(location.latitude, location.longitude);

        setState(() {
          _selectedLocation = newLatLng;
        });

        _getAddressFromLatLng(location.latitude, location.longitude);
        mapController.animateCamera(CameraUpdate.newLatLng(newLatLng));
      }
    } catch (e) {
      print("Error fetching location from pincode: $e");
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text("Add Delivery address")),
      body: Padding(
        padding: const EdgeInsets.all(8.0),
        child: SingleChildScrollView(
          child: Column(
            children: [
              Container(
                height: 200.h,
                child: GoogleMap(
                  initialCameraPosition: CameraPosition(
                    target: _selectedLocation,
                    zoom: 14,
                  ),
                  onMapCreated: (controller) {
                    mapController = controller;
                  },

                  myLocationEnabled: true, // Enable current location button
                  myLocationButtonEnabled: true,
                  markers: {
                    Marker(
                      markerId: MarkerId("selected Location"),
                      position: _selectedLocation,
                    )
                  },
                  onTap: _onMapTapped,
                ),
              ),
              Container(
                padding: EdgeInsets.all(16),
                decoration: BoxDecoration(
                  color: Colors.white,
                  boxShadow: [BoxShadow(color: Colors.black12, blurRadius: 10)],
                ),
                child: Form(
                  key: _formKey,
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      SizedBox(height: 10),
                      TextFormField(
                        controller: _fullNameController,
                        keyboardType: TextInputType.text,
                        decoration: InputDecoration(
                          labelText: "Full Name (Required)*",
                          border: OutlineInputBorder(),
                        ),

                        validator: (value) {
                          if (value == null || value.isEmpty) {
                            return "Full Name";
                          }
                          return null; // ✅ Valid input
                        },

                        // Auto-update on enter
                      ),
                      SizedBox(height: 10),
                      TextFormField(
                        controller: _PhoneNumberController,
                        keyboardType: TextInputType.number,
                        maxLength: 10,
                        decoration: InputDecoration(
                          labelText: "Phone Number (Required)*",
                          border: OutlineInputBorder(),
                        ),
                        validator: (value) {
                          if (value == null || value.isEmpty) {
                            return "Phone Number ";
                          }
                          return null; // ✅ Valid input
                        },
                      ),
                      SizedBox(height: 10),
                      Row(
                        children: [
                          Expanded(
                            child: TextFormField(
                              controller: _pincodeController,
                              keyboardType: TextInputType.number,
                              maxLength: 6,
                              decoration: InputDecoration(
                                  labelText: "Enter Pincode",
                                  border: OutlineInputBorder(),
                                  counterText: ""),
                              validator: (value) {
                                if (value == null || value.isEmpty) {
                                  return "Please enter a pincode";
                                } else if (value.length != 6) {
                                  return "Pincode must be exactly 6 digits";
                                } else if (!RegExp(r'^[1-9][0-9]{5}$')
                                    .hasMatch(value)) {
                                  return "Enter a valid Indian pincode";
                                }
                                return null; // ✅ Valid input
                              },
                            ),
                          ),
                          SizedBox(
                            width: 10,
                          ),
                          // Expanded(
                          //   child: TextFormField(
                          //     controller: _addressTypeController,
                          //     keyboardType: TextInputType.text,
                          //     decoration: InputDecoration(
                          //       labelText: "Address Type",
                          //       border: OutlineInputBorder(),
                          //     ),
                          //     validator: (value) {
                          //       if (value == null || value.isEmpty) {
                          //         return "Enter address Home or Work ";
                          //       }
                          //       return null; // ✅ Valid input
                          //     },
                          //   ),
                          // ),\
                          Expanded(
                            child: DropdownButtonFormField<String>(
                              value: _addressTypeController.text.isNotEmpty
                                  ? _addressTypeController.text
                                  : null,
                              items:
                                  ["HOME", "WORK", "OTHER"].map((String type) {
                                return DropdownMenuItem<String>(
                                  value: type,
                                  child: Text(type),
                                );
                              }).toList(),
                              decoration: InputDecoration(
                                labelText: "Address Type",
                                border: OutlineInputBorder(),
                              ),
                              onChanged: (value) {
                                if (value != null) {
                                  _addressTypeController.text = value;
                                }
                              },
                              validator: (value) {
                                if (value == null || value.isEmpty) {
                                  return "Select Address Type (Home, Work, Other)";
                                }
                                return null;
                              },
                            ),
                          ),
                        ],
                      ),
                      SizedBox(height: 10),
                      TextFormField(
                        controller: _HouseNoController,
                        keyboardType: TextInputType.text,
                        decoration: InputDecoration(
                          labelText: "House No, Building Name (Required)*",
                          border: OutlineInputBorder(),
                        ),
                        validator: (value) {
                          if (value == null || value.isEmpty) {
                            return "Enter House No, Building  ";
                          }
                          return null; // ✅ Valid input
                        },
                      ),
                      SizedBox(height: 10),
                      TextFormField(
                        controller: _RoadController,
                        keyboardType: TextInputType.text,
                        decoration: InputDecoration(
                          labelText: "Road Name, Area , Colony(Required)*",
                          border: OutlineInputBorder(),
                        ),
                        validator: (value) {
                          if (value == null || value.isEmpty) {
                            return "Enter Road Name, Area , Colony(Required)";
                          }
                          return null; // ✅ Valid input
                        },
                      ),
                      SizedBox(height: 10),

                      Consumer<AddressProvider>(
                        builder: (context, addressProvider, child)
                         {
                          return InkWell(
                            onTap: () async {
                              if (_formKey.currentState!.validate()) {
                                var status = await addressProvider.checkPin(
                                    context, _pincodeController.text);

                                if (status) {
                                  var state = await addressProvider.addAddress(
                                      context,
                                      _fullNameController.text,
                                      _pincodeController.text,
                                      _PhoneNumberController.text,
                                      _PhoneNumberController.text,
                                      _HouseNoController.text,
                                      _RoadController.text,
                                      _addressTypeController.text);
                                  if (state) {
                                   context .read<AddtocartProvider>()
                                        .getAddress(context);
                                    Fluttertoast.showToast(
                                        msg: "Address Added!",
                                        backgroundColor: Colors.lightGreen);
                                    Navigator.pop(context);
                                  }
                                } else {
                                  Fluttertoast.showToast(
                                    msg:
                                        "Delivery is not available for this pincode. Please try another pincode!",
                                    toastLength: Toast.LENGTH_SHORT,
                                    gravity: ToastGravity.BOTTOM,
                                    backgroundColor: Colors.red,
                                    textColor: Colors.white,
                                    fontSize: 14.0,
                                  );
                                }
                              }
                            },
                            child: Container(
                              margin: const EdgeInsets.only(
                                  left: 15, right: 15, top: 10, bottom: 10),
                              height: 50,
                              width: MediaQuery.sizeOf(context).width,
                              decoration: BoxDecoration(
                                color: APPCOLOR.lightGreen,
                                borderRadius: BorderRadius.circular(10),
                              ),
                              child: Row(
                                mainAxisAlignment: MainAxisAlignment.center,
                                crossAxisAlignment: CrossAxisAlignment.center,
                                children: [
                                  if (addressProvider.ischeckpin)
                                    const CircularProgressIndicator(
                                      color: Colors.white,
                                    )
                                  else
                                    Text(
                                      "Save Address",
                                      style: context.customMedium(
                                          Colors.white, 20),
                                    ),
                                ],
                              ),
                            ),
                          );
                        },
                      ),

                      // InkWell(
                      //   onTap: () async {
                      //     if (_formKey.currentState!.validate()) {
                      //       var status = await Provider.of<AddressProvider>(
                      //               context,
                      //               listen: false)
                      //           .checkPin(context, _pincodeController.text);
                      //       if (status) {
                      //         //  var status = await Provider.of<AddressProvider>(
                      //         //       context,
                      //         //       listen: false)
                      //         //   .addAddress(context, _pincodeController.text);
                      //       } else {
                      //         // Delivery is not available for this pincode. Please try another pincode.

                      //         Fluttertoast.showToast(
                      //           msg:
                      //               "Delivery is not available for this pincode. Please try another pincode!",
                      //           toastLength: Toast.LENGTH_SHORT,
                      //           gravity: ToastGravity.BOTTOM,
                      //           backgroundColor: Colors.red,
                      //           textColor: Colors.white,
                      //           fontSize: 14.0,
                      //         );
                      //       }
                      //     }
                      //   },
                      //   child: Container(
                      //     margin: const EdgeInsets.only(
                      //         left: 15, right: 15, top: 10, bottom: 10),
                      //     height: 50,
                      //     width: MediaQuery.sizeOf(context).width,
                      //     decoration: BoxDecoration(
                      //         color: APPCOLOR.lightGreen,
                      //         borderRadius: BorderRadius.circular(10)),
                      //     child: Row(
                      //       mainAxisAlignment: MainAxisAlignment.center,
                      //       crossAxisAlignment: CrossAxisAlignment.center,
                      //       children: [
                      //         const SizedBox(
                      //           width: 10,
                      //         ),
                      //         Text(
                      //           "Save Address",
                      //           style: context.customMedium(Colors.white, 20),
                      //         ),
                      //       ],
                      //     ),
                      //   ),
                      // ),

                      SizedBox(height: 20),
                    ],
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}