import 'package:flutter/material.dart';
import 'package:maibu_satabot_v2/core/localization/app_localizations.dart';
import 'package:maibu_satabot_v2/core/theme/AppTheme.dart';
import '../constants/report_constants.dart';

/// 问题描述输入模块
class DescriptionInput extends StatelessWidget {
  final String? description;
  final Function(String) onChanged;

  const DescriptionInput({
    super.key,
    this.description,
    required this.onChanged,
  });

  @override
  Widget build(BuildContext context) {
    final loc = AppLocalizations.of(context);
    return Container(
      margin: const EdgeInsets.symmetric(
        horizontal: AppDimensions.horizontalPadding,
      ),
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: context.appColors.cardBackground,
        borderRadius: BorderRadius.circular(AppDimensions.borderRadius),
        boxShadow: [
          BoxShadow(
            color: context.appColors.cardShadow,
            blurRadius: AppDimensions.cardShadowBlur,
            offset: const Offset(0, 2),
          ),
        ],
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(
            loc.translate('report.problem_description'),
            style: TextStyle(
              fontSize: 16,
              fontWeight: FontWeight.w600,
              color: context.appColors.textPrimary,
            ),
          ),
          const SizedBox(height: 12),
          TextField(
            maxLines: 5,
            maxLength: 200,
            onChanged: onChanged,
            decoration: InputDecoration(
              hintText: loc.translate('report.description_hint'),
              hintStyle: TextStyle(color: context.appColors.textTertiary),
              border: OutlineInputBorder(
                borderRadius: BorderRadius.circular(
                  AppDimensions.borderRadiusSmall,
                ),
                borderSide: BorderSide(color: context.appColors.divider),
              ),
              enabledBorder: OutlineInputBorder(
                borderRadius: BorderRadius.circular(
                  AppDimensions.borderRadiusSmall,
                ),
                borderSide: BorderSide(color: context.appColors.divider),
              ),
              focusedBorder: OutlineInputBorder(
                borderRadius: BorderRadius.circular(
                  AppDimensions.borderRadiusSmall,
                ),
                borderSide: BorderSide(
                  color: context.appColors.primary,
                  width: 2,
                ),
              ),
              counterText: '',
            ),
            style: TextStyle(fontSize: 14, color: context.appColors.textPrimary),
          ),
          Align(
            alignment: Alignment.centerRight,
            child: Text(
              '${description?.length ?? 0}/200',
              style: TextStyle(fontSize: 12, color: context.appColors.textTertiary),
            ),
          ),
        ],
      ),
    );
  }
}