import 'package:flutter/material.dart';
import 'package:glowwheels/helpers/shopid_helper.dart';
import 'package:provider/provider.dart';
import '../models/serviceboy_model.dart';
import '../provider/serviceboy_provider.dart';
import 'package:google_fonts/google_fonts.dart';

class EditServiceBoyScreen extends StatefulWidget {
  final ServiceBoy serviceBoy;

  EditServiceBoyScreen({required this.serviceBoy});

  @override
  _EditServiceBoyScreenState createState() => _EditServiceBoyScreenState();
}

class _EditServiceBoyScreenState extends State<EditServiceBoyScreen> {
  final _formKey = GlobalKey<FormState>();
  late final TextEditingController nameController;
  late final TextEditingController phoneController;

  bool isLoading = false;

  @override
  void initState() {
    super.initState();
    nameController = TextEditingController(text: widget.serviceBoy.name);
    phoneController = TextEditingController(text: widget.serviceBoy.phone);
  }

  @override
  void dispose() {
    nameController.dispose();
    phoneController.dispose();
    super.dispose();
  }

  void _saveDetails(BuildContext context) async {
    final name = nameController.text.trim();
    final phone = phoneController.text.trim();

    // Validation: at least one field must be non-empty and different
    if (name.isEmpty && phone.isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Please edit at least one field')),
      );
      return;
    }

    final shopId = getShopId(context)!;

    setState(() => isLoading = true);

    await Provider.of<ServiceBoyProvider>(context, listen: false)
        .editServiceBoy(widget.serviceBoy.id, name, phone, shopId);

    setState(() => isLoading = false);
    Navigator.pop(context); // back to previous screen
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFF9FAF4),
      appBar: AppBar(
        backgroundColor: Colors.transparent,
        elevation: 0,
        leading: IconButton(
          icon: Icon(Icons.arrow_back_ios),
          onPressed: () => Navigator.pop(context),
        ),
        title: Text(
          'Edit Service boy Details',
          style: GoogleFonts.nunito(
              fontSize: 18,
              color: Color.fromRGBO(26, 26, 26, 1),
              fontWeight: FontWeight.w500),
        ),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16),
        child: Form(
          key: _formKey,
          child: Column(
            children: [
              SizedBox(height: 30),
              TextFormField(
                controller: nameController,
                decoration: InputDecoration(
                  hintText: 'Name',
                  hintStyle: GoogleFonts.nunito(
                      fontSize: 14,
                      color: Color.fromRGBO(26, 26, 26, 1),
                      fontWeight: FontWeight.w400),
                  border: OutlineInputBorder(),
                  contentPadding:
                  EdgeInsets.symmetric(horizontal: 12, vertical: 14),
                ),
              ),
              SizedBox(height: 25),
              TextFormField(
                controller: phoneController,
                keyboardType: TextInputType.phone,
                decoration: InputDecoration(
                  hintText: 'Mobile Number',
                  hintStyle: GoogleFonts.nunito(
                      fontSize: 14,
                      color: Color.fromRGBO(26, 26, 26, 1),
                      fontWeight: FontWeight.w400),
                  border: OutlineInputBorder(),
                  contentPadding:
                  EdgeInsets.symmetric(horizontal: 12, vertical: 14),
                ),
              ),
              Spacer(),
              SizedBox(
                width: double.infinity,
                child: ElevatedButton(
                  onPressed: isLoading ? null : () => _saveDetails(context),
                  style: ElevatedButton.styleFrom(
                    backgroundColor: const Color(0xFF000B8C),
                    padding: const EdgeInsets.symmetric(vertical: 14),
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(6),
                    ),
                  ),
                  child: isLoading
                      ? SizedBox(
                    width: 24,
                    height: 24,
                    child: CircularProgressIndicator(
                      color: Colors.white,
                      strokeWidth: 2,
                    ),
                  )
                      : Text('Save',
                      style: GoogleFonts.inter(
                          fontSize: 18,
                          color: Colors.white,
                          fontWeight: FontWeight.w600)),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}