// Version: 2.1 - マスタ編集フィールド部品（全てのマスタ画面で共通使用）
// ※ 簡素版のため、各マスター画面で独自実装は不要です

import 'package:flutter/material.dart';

/// テキスト入力フィールド（マスタ編集用）
class MasterTextField extends StatelessWidget {
  final String label;
  final TextEditingController controller;
  final String? hintText;
  
  const MasterTextField({
    super.key,
    required this.label,
    required this.controller,
    this.hintText,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 8),
      child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
        Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
        TextField(
          controller: controller,
          decoration: InputDecoration(hintText: hintText, border: OutlineInputBorder()),
        ),
      ],),
    );
  }
}

/// テキストエリア入力フィールド（マスタ編集用）
class MasterTextArea extends StatelessWidget {
  final String label;
  final TextEditingController controller;
  final String? hintText;
  final int maxLines;

  const MasterTextArea({
    super.key,
    required this.label,
    required this.controller,
    this.hintText,
    this.maxLines = 2,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 8),
      child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
        Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
        TextField(
          controller: controller,
          maxLines: maxLines,
          decoration: InputDecoration(hintText: hintText, border: OutlineInputBorder()),
        ),
      ],),
    );
  }
}

/// 数値入力フィールド（マスタ編集用）
class MasterNumberField extends StatelessWidget {
  final String label;
  final TextEditingController controller;
  final String? hintText;
  final bool readOnly;

  const MasterNumberField({
    super.key,
    required this.label,
    required this.controller,
    this.hintText,
    this.readOnly = false,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 8),
      child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
        Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
        TextField(
          controller: controller,
          keyboardType: TextInputType.number,
          readOnly: readOnly,
          decoration: InputDecoration(hintText: hintText, border: OutlineInputBorder()),
        ),
      ],),
    );
  }
}

/// ステータス表示フィールド（マスタ編集用）
class MasterStatusField extends StatelessWidget {
  final String label;
  final String? status;

  const MasterStatusField({super.key, required this.label, this.status});

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 8),
      child: Row(crossAxisAlignment: CrossAxisAlignment.end, children: [
        Expanded(child: Text(label, style: const TextStyle(fontWeight: FontWeight.bold))),
        const SizedBox(width: 8),
        if (status != null) ...[
          Container(
            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
            decoration: BoxDecoration(borderRadius: BorderRadius.circular(4)),
            child: Text(status!, style: const TextStyle(fontWeight: FontWeight.bold)),
          ),
        ],
      ],),
    );
  }
}

/// チェックボックスフィールド（マスタ編集用）
class MasterCheckboxField extends StatelessWidget {
  final String label;
  final bool? checked;
  final Function(bool)? onChanged;

  const MasterCheckboxField({
    super.key,
    required this.label,
    this.checked,
    this.onChanged,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 8),
      child: Row(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [
        Text(label),
        Checkbox(value: checked ?? false, onChanged: onChanged),
      ],),
    );
  }
}