import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:mobile_monitoring/core/constants/colors.dart';
import 'package:mobile_monitoring/core/constants/app_settings.dart';

/// Custom TextField - Text input field yang reusable
class CustomTextField extends StatefulWidget {
  final TextEditingController? controller;
  final String? labelText;
  final String? hintText;
  final String? helperText;
  final String? errorText;
  final IconData? prefixIcon;
  final IconData? suffixIcon;
  final VoidCallback? onSuffixIconTap;
  final bool obscureText;
  final bool enabled;
  final bool readOnly;
  final TextInputType? keyboardType;
  final TextInputAction? textInputAction;
  final int? maxLines;
  final int? minLines;
  final int? maxLength;
  final List<TextInputFormatter>? inputFormatters;
  final String? Function(String?)? validator;
  final void Function(String)? onChanged;
  final void Function(String)? onSubmitted;
  final void Function()? onTap;
  final FocusNode? focusNode;
  final TextCapitalization textCapitalization;
  final bool autofocus;
  final bool showPasswordToggle;

  const CustomTextField({
    super.key,
    this.controller,
    this.labelText,
    this.hintText,
    this.helperText,
    this.errorText,
    this.prefixIcon,
    this.suffixIcon,
    this.onSuffixIconTap,
    this.obscureText = false,
    this.enabled = true,
    this.readOnly = false,
    this.keyboardType,
    this.textInputAction,
    this.maxLines = 1,
    this.minLines,
    this.maxLength,
    this.inputFormatters,
    this.validator,
    this.onChanged,
    this.onSubmitted,
    this.onTap,
    this.focusNode,
    this.textCapitalization = TextCapitalization.none,
    this.autofocus = false,
    this.showPasswordToggle = false,
  });

  @override
  State<CustomTextField> createState() => _CustomTextFieldState();
}

class _CustomTextFieldState extends State<CustomTextField> {
  late bool _obscureText;

  @override
  void initState() {
    super.initState();
    _obscureText = widget.obscureText;
  }

  @override
  void didUpdateWidget(CustomTextField oldWidget) {
    super.didUpdateWidget(oldWidget);
    if (oldWidget.obscureText != widget.obscureText) {
      _obscureText = widget.obscureText;
    }
  }

  @override
  Widget build(BuildContext context) {
    return TextFormField(
      controller: widget.controller,
      obscureText: _obscureText,
      enabled: widget.enabled,
      readOnly: widget.readOnly,
      keyboardType: widget.keyboardType,
      textInputAction: widget.textInputAction,
      maxLines: _obscureText ? 1 : widget.maxLines,
      minLines: widget.minLines,
      maxLength: widget.maxLength,
      inputFormatters: widget.inputFormatters,
      validator: widget.validator,
      onChanged: widget.onChanged,
      onFieldSubmitted: widget.onSubmitted,
      onTap: widget.onTap,
      focusNode: widget.focusNode,
      textCapitalization: widget.textCapitalization,
      autofocus: widget.autofocus,
      style: TextStyle(
        color: widget.enabled ? AppColors.textPrimary : AppColors.textSecondary,
        fontSize: 16,
      ),
      decoration: InputDecoration(
        labelText: widget.labelText,
        hintText: widget.hintText,
        helperText: widget.helperText,
        errorText: widget.errorText,
        prefixIcon: widget.prefixIcon != null
            ? Icon(
                widget.prefixIcon,
                color: AppColors.textSecondary,
              )
            : null,
        suffixIcon: _buildSuffixIcon(),
        filled: true,
        fillColor: widget.enabled ? AppColors.white : AppColors.lightGray,
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSettings.defaultBorderRadius),
          borderSide: const BorderSide(color: AppColors.borderLight),
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSettings.defaultBorderRadius),
          borderSide: const BorderSide(color: AppColors.borderLight),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSettings.defaultBorderRadius),
          borderSide: const BorderSide(color: AppColors.primary, width: 2),
        ),
        errorBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSettings.defaultBorderRadius),
          borderSide: const BorderSide(color: AppColors.error),
        ),
        focusedErrorBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSettings.defaultBorderRadius),
          borderSide: const BorderSide(color: AppColors.error, width: 2),
        ),
        disabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSettings.defaultBorderRadius),
          borderSide: const BorderSide(color: AppColors.borderLight),
        ),
      ),
    );
  }

  Widget? _buildSuffixIcon() {
    if (widget.showPasswordToggle && widget.obscureText) {
      return IconButton(
        icon: Icon(
          _obscureText ? Icons.visibility_off : Icons.visibility,
          color: AppColors.textSecondary,
        ),
        onPressed: () {
          setState(() {
            _obscureText = !_obscureText;
          });
        },
      );
    }

    if (widget.suffixIcon != null) {
      return IconButton(
        icon: Icon(
          widget.suffixIcon,
          color: AppColors.textSecondary,
        ),
        onPressed: widget.onSuffixIconTap,
      );
    }

    return null;
  }
}