import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:image_picker/image_picker.dart';
import 'package:niogu_app/core/components/top_back_bar_app.dart';
import 'package:niogu_app/core/constants/app_color.dart';
import 'package:niogu_app/core/constants/app_font_size.dart';
import 'package:niogu_app/core/utils/image_service.dart';
import 'package:niogu_app/core/utils/log_message.dart';
import 'package:niogu_app/core/widgets/custom_snackbar.dart';
import 'package:niogu_app/core/widgets/custom_text_form_field.dart';
import 'package:niogu_app/features/profile/domain/entities/profile.dart';
import 'package:niogu_app/features/profile/presentation/providers/profile_provider.dart';
import 'package:sizer/sizer.dart';

class BusinessInfoScreen extends ConsumerStatefulWidget {
  final BusinessInfo businessInfo;
  const BusinessInfoScreen({super.key, required this.businessInfo});

  @override
  ConsumerState<BusinessInfoScreen> createState() => _BusinessInfoScreenState();
}

class _BusinessInfoScreenState extends ConsumerState<BusinessInfoScreen> {
  final _formKey = GlobalKey<FormState>();

  late final String businessCode;

  final _nameController = TextEditingController();

  final _emailController = TextEditingController();

  final _phoneController = TextEditingController();

  final _categoryController = TextEditingController();

  final ImagePicker _picker = ImagePicker();

  final List<String?> _logoPathTemps = [];

  String? _logoPath;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    final businessInfo = widget.businessInfo;

    businessCode = businessInfo.businessCode;

    _logoPath = businessInfo.logoPath;

    _nameController.text = businessInfo.businessName;

    _emailController.text = businessInfo.businessEmail;

    _phoneController.text = businessInfo.businessPhoneNumber;

    _categoryController.text = businessInfo.businessType;
  }

  @override
  void dispose() {
    // TODO: implement dispose
    _nameController.dispose();
    _emailController.dispose();
    _phoneController.dispose();
    _categoryController.dispose();
    super.dispose();
  }

  Future<void> _showPickerOptions() async {
    final bool isTablet = 100.w >= 600;
    showModalBottomSheet(
      context: context,
      backgroundColor: Colors.white,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.vertical(top: Radius.circular(2.5.w)),
      ),
      constraints: const BoxConstraints(maxWidth: double.infinity),
      builder: (BuildContext context) {
        return SafeArea(
          child: Container(
            width: 100.w,
            padding: EdgeInsets.symmetric(vertical: 2.h, horizontal: 5.w),
            clipBehavior: Clip.hardEdge,
            decoration: BoxDecoration(
              color: Colors.white,
              borderRadius: BorderRadius.vertical(top: Radius.circular(6.w)),
            ),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                ListTile(
                  leading: Icon(Icons.photo_library, size: 6.w),
                  title: Text(
                    'Galeri',
                    style: TextStyle(
                      fontSize: isTablet
                          ? AppFontSize.medium.sp
                          : AppFontSize.small.sp,
                    ),
                  ),
                  onTap: () async {
                    await _getImage(ImageSource.gallery);
                    context.pop();
                  },
                ),

                SizedBox(height: 2.h),

                ListTile(
                  leading: Icon(Icons.photo_camera, size: 6.w),
                  title: Text(
                    'Kamera',
                    style: TextStyle(
                      fontSize: isTablet
                          ? AppFontSize.medium.sp
                          : AppFontSize.small.sp,
                    ),
                  ),
                  onTap: () async {
                    await _getImage(ImageSource.camera);
                    context.pop();
                  },
                ),
              ],
            ),
          ),
        );
      },
    );
  }

  Future<void> _getImage(ImageSource ImageSource) async {
    try {
      final XFile? pickedFile = await _picker.pickImage(
        source: ImageSource,
        imageQuality: 70,
      );

      if (pickedFile != null) {
        File tempFile = File(pickedFile.path);

        String? logoPath = await ImageService.saveImageToLocalDirectory(
          tempFile,
          "logo_images",
        );

        if (logoPath != null) {
          _logoPathTemps.add(logoPath);
          setState(() {
            _logoPath = logoPath;
          });
        }
      }
    } catch (e, st) {
      LogMessage.log.e(e.toString(), error: e, stackTrace: st);
      CustomSnackbar.showWarning(context, "Akses ditolak");
    }
  }

  Future<void> _cleanUpImages() async {
    for (final image in _logoPathTemps) {
      if (image != null) {
        await ImageService.deleteLocalImage(image);
      }
    }
  }

  Future<void> _updateBusinessInfo() async {
    if (!_formKey.currentState!.validate()) return;

    try {
      await ref
          .read(profileControllerProvider.notifier)
          .updateBusinessInfo(
            BusinessInfo(
              logoPath: _logoPath,
              businessCode: businessCode,
              businessName: _nameController.text.trim(),
              businessEmail: _emailController.text.trim(),
              businessPhoneNumber: _phoneController.text.trim(),
              businessType: _categoryController.text.trim(),
            ),
          );

      if (!mounted) return;

      for (final path in _logoPathTemps) {
        if (path != null && _logoPath != null && path != _logoPath) {
          await ImageService.deleteLocalImage(path);
        }
      }

      CustomSnackbar.showSuccess(context, "Informasi usaha berhasil diubah");
      context.pop();
    } catch (e, st) {
      LogMessage.log.e(e.toString(), error: e, stackTrace: st);
      CustomSnackbar.showError(context, "Ups, terjadi kesalahan");
    }
  }

  @override
  Widget build(BuildContext context) {
    return LayoutBuilder(
      builder: (context, constraints) {
        final bool isTablet = 100.w >= 600;

        final File imageFile = File(_logoPath ?? "image not found");

        final bool imageFileExists = imageFile.existsSync();

        final profileControllerState = ref.watch(profileControllerProvider);

        return PopScope(
          canPop: false,
          onPopInvokedWithResult: (didPop, result) async {
            if (didPop) return;

            await _cleanUpImages();

            context.pop();
          },
          child: SafeArea(
            child: Scaffold(
              backgroundColor: const Color(0xFFF9FAFB),
              appBar: TopBackBarApp(
                title: "Informasi Usaha",
                onTap: () async {
                  await _cleanUpImages();

                  context.pop();
                },
              ),
              body: SingleChildScrollView(
                padding: EdgeInsets.all(5.w),
                child: Form(
                  key: _formKey,
                  child: Column(
                    children: [
                      Center(
                        child: Column(
                          children: [
                            Stack(
                              clipBehavior: Clip.none,
                              children: [
                                Container(
                                  width: 25.w,
                                  height: 25.w,
                                  decoration: BoxDecoration(
                                    color: Colors.white,
                                    borderRadius: BorderRadius.circular(4.w),
                                    border: Border.all(
                                      color: Colors.grey.shade200,
                                    ),
                                    boxShadow: [
                                      BoxShadow(
                                        color: Colors.black.withOpacity(0.02),
                                        blurRadius: 10,
                                      ),
                                    ],
                                  ),
                                  child: imageFileExists
                                      ? ClipRRect(
                                          borderRadius: BorderRadius.circular(
                                            2.5.w,
                                          ),
                                          child: Image.file(
                                            imageFile,
                                            fit: BoxFit.cover,
                                            width: double.infinity,
                                            height: double.infinity,
                                            errorBuilder:
                                                (context, error, stackTrace) {
                                                  return Icon(
                                                    Icons.error,
                                                    color: Colors.grey[400],
                                                    size: 10.w,
                                                  );
                                                },
                                          ),
                                        )
                                      : IconButton(
                                          onPressed: _showPickerOptions,
                                          icon: Icon(
                                            Icons.add_a_photo_outlined,
                                            color: Colors.grey[400],
                                            size: 8.w,
                                          ),
                                        ),
                                ),

                                if (_logoPath != null)
                                  Positioned(
                                    top: 1.w,
                                    right: 1.w,
                                    child: Material(
                                      color: Colors.transparent,
                                      type: MaterialType.transparency,
                                      child: InkWell(
                                        onTap: () {
                                          setState(() {
                                            _logoPath = null;
                                          });
                                        },
                                        child: Container(
                                          padding: EdgeInsets.all(1.w),
                                          decoration: BoxDecoration(
                                            color: Colors.red[50],
                                            shape: BoxShape.circle,
                                            border: Border.all(
                                              color: Colors.red.withOpacity(
                                                0.2,
                                              ),
                                            ),
                                            boxShadow: [
                                              BoxShadow(
                                                color: Colors.black.withOpacity(
                                                  0.1,
                                                ),
                                                blurRadius: 2,
                                                offset: Offset(0, 1),
                                              ),
                                            ],
                                          ),
                                          child: Icon(
                                            Icons.remove,
                                            color: Colors.red,
                                            size: 4.w,
                                          ),
                                        ),
                                      ),
                                    ),
                                  ),
                              ],
                            ),
                            SizedBox(height: 1.5.h),
                            Text(
                              "Logo Usaha",
                              style: TextStyle(
                                fontSize: isTablet
                                    ? AppFontSize.medium.sp
                                    : AppFontSize.small.sp,
                                color: Colors.grey,
                              ),
                            ),
                          ],
                        ),
                      ),

                      SizedBox(height: 4.h),

                      CustomTextFormField(
                        label: "ID Usaha",
                        controller: TextEditingController(text: businessCode),
                        readOnly: true,
                        prefixIcon: Icons.badge_outlined,
                        suffixIcon: Icons.copy_rounded,
                        suffixPressed: () {
                          Clipboard.setData(ClipboardData(text: businessCode));
                          CustomSnackbar.showSuccess(
                            context,
                            "ID Usaha berhasil disalin",
                          );
                        },
                      ),

                      SizedBox(height: 2.h),

                      CustomTextFormField(
                        label: "Nama Usaha",
                        hint: "Masukkan nama bisnis Anda",
                        controller: _nameController,
                        prefixIcon: Icons.storefront_outlined,
                        validator: (value) {
                          if (value == null || value.isEmpty) {
                            return "Nama usaha belum diisi";
                          }

                          return null;
                        },
                      ),
                      SizedBox(height: 2.h),
                      CustomTextFormField(
                        label: "Email Usaha",
                        hint: "bisnis@email.com",
                        controller: _emailController,
                        prefixIcon: Icons.email_outlined,
                        keyboardType: TextInputType.emailAddress,
                      ),
                      SizedBox(height: 2.h),
                      CustomTextFormField(
                        label: "No HP / WhatsApp Usaha",
                        hint: "0812xxxx",
                        controller: _phoneController,
                        prefixIcon: Icons.phone_android,
                        keyboardType: TextInputType.phone,
                      ),
                      SizedBox(height: 2.h),
                      CustomTextFormField(
                        label: "Kategori Usaha",
                        hint: "Contoh: F&B, Retail, Pertanian",
                        controller: _categoryController,
                        prefixIcon: Icons.category_outlined,
                      ),

                      SizedBox(height: 5.h),
                      ElevatedButton(
                        onPressed: profileControllerState.isLoading
                            ? null
                            : _updateBusinessInfo,
                        style: ElevatedButton.styleFrom(
                          backgroundColor: AppColor.primaryColor,
                          minimumSize: Size(double.infinity, 7.h),
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(3.w),
                          ),
                          disabledBackgroundColor: Colors.grey.shade300,
                        ),
                        child: Text(
                          "Simpan Perubahan",
                          style: TextStyle(
                            color: Colors.white,
                            fontWeight: FontWeight.bold,
                            fontSize: AppFontSize.medium.sp,
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
          ),
        );
      },
    );
  }
}