import 'package:flutter/material.dart';

/// マスタ編集用の汎用テキストフィールドウィジェット
class MasterTextField extends StatelessWidget {
  final String label;
  final String? initialValue;
  final String? hintText;
  final VoidCallback? onTap;

  const MasterTextField({
    super.key,
    required this.label,
    this.initialValue,
    this.hintText,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
          TextFormField(
            initialValue: initialValue,
            decoration: InputDecoration(
              hintText: hintText,
              border: OutlineInputBorder(
                borderRadius: BorderRadius.circular(4.0),
              ),
              contentPadding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 12.0),
            ),
            onTap: onTap,
            textInputAction: TextInputAction.done,
          ),
        ],
      ),
    );
  }
}

/// マスタ編集用の汎用数値フィールドウィジェット
class MasterNumberField extends StatelessWidget {
  final String label;
  final double? initialValue;
  final String? hintText;
  final VoidCallback? onTap;

  const MasterNumberField({
    super.key,
    required this.label,
    this.initialValue,
    this.hintText,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
          TextFormField(
            initialValue: initialValue?.toString(),
            decoration: InputDecoration(
              hintText: hintText,
              border: OutlineInputBorder(
                borderRadius: BorderRadius.circular(4.0),
              ),
              contentPadding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 12.0),
            ),
            onTap: onTap,
            keyboardType: TextInputType.number,
            textInputAction: TextInputAction.done,
          ),
        ],
      ),
    );
  }
}

/// ドロップダウンフィールドウィジェット
class MasterDropdownField<T> extends StatelessWidget {
  final String label;
  final List<String> options;
  final String? selectedOption;
  final VoidCallback? onTap;

  const MasterDropdownField({
    super.key,
    required this.label,
    required this.options,
    this.selectedOption,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
          DropdownButtonFormField<String>(
            value: selectedOption,
            items: options.map((option) => DropdownMenuItem<String>(
              value: option,
              child: Text(option),
            )).toList(),
            decoration: InputDecoration(
              hintText: options.isEmpty ? null : options.first,
              border: OutlineInputBorder(
                borderRadius: BorderRadius.circular(4.0),
              ),
              contentPadding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 12.0),
            ),
            onTap: onTap,
            isExpanded: true,
          ),
        ],
      ),
    );
  }
}

/// テキストエリアウィジェット
class MasterTextArea extends StatelessWidget {
  final String label;
  final String? initialValue;
  final String? hintText;
  final VoidCallback? onTap;

  const MasterTextArea({
    super.key,
    required this.label,
    this.initialValue,
    this.hintText,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
          TextFormField(
            initialValue: initialValue,
            decoration: InputDecoration(
              hintText: hintText,
              border: OutlineInputBorder(
                borderRadius: BorderRadius.circular(4.0),
              ),
              contentPadding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 12.0),
            ),
            maxLines: 3,
            onTap: onTap,
            textInputAction: TextInputAction.newline,
          ),
        ],
      ),
    );
  }
}

/// チェックボックスウィジェット
class MasterCheckBox extends StatelessWidget {
  final String label;
  final bool? initialValue;
  final VoidCallback? onChanged;

  const MasterCheckBox({
    super.key,
    required this.label,
    this.initialValue,
    this.onChanged,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4.0),
      child: Row(
        children: [
          Expanded(child: Text(label)),
          Checkbox(
            value: initialValue,
            onChanged: onChanged ?? (_ => null),
          ),
        ],
      ),
    );
  }
}