import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:trainhub_flutter/core/constants/ui_constants.dart';
import 'package:trainhub_flutter/core/theme/app_colors.dart';

class TextInputDialog {
  TextInputDialog._();

  static Future<String?> show(
    BuildContext context, {
    required String title,
    String? hintText,
    String? initialValue,
    String confirmLabel = 'Create',
  }) {
    final controller = TextEditingController(text: initialValue);

    return showDialog<String>(
      context: context,
      builder: (context) => Dialog(
        backgroundColor: AppColors.surfaceContainer,
        shape: RoundedRectangleBorder(
          borderRadius: UIConstants.cardBorderRadius,
          side: const BorderSide(color: AppColors.border),
        ),
        child: ConstrainedBox(
          constraints: const BoxConstraints(maxWidth: UIConstants.dialogWidth),
          child: Padding(
            padding: const EdgeInsets.all(UIConstants.pagePadding),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  title,
                  style: GoogleFonts.inter(
                    fontSize: 16,
                    fontWeight: FontWeight.w600,
                    color: AppColors.textPrimary,
                  ),
                ),
                const SizedBox(height: UIConstants.spacing16),
                TextField(
                  controller: controller,
                  autofocus: true,
                  style: GoogleFonts.inter(
                    fontSize: 14,
                    color: AppColors.textPrimary,
                  ),
                  cursorColor: AppColors.accent,
                  decoration: InputDecoration(
                    hintText: hintText,
                    hintStyle: GoogleFonts.inter(
                      fontSize: 14,
                      color: AppColors.textMuted,
                    ),
                    filled: true,
                    fillColor: AppColors.zinc950,
                    contentPadding: const EdgeInsets.symmetric(
                      horizontal: UIConstants.spacing12,
                      vertical: UIConstants.spacing12,
                    ),
                    border: OutlineInputBorder(
                      borderRadius: UIConstants.smallCardBorderRadius,
                      borderSide: const BorderSide(color: AppColors.border),
                    ),
                    enabledBorder: OutlineInputBorder(
                      borderRadius: UIConstants.smallCardBorderRadius,
                      borderSide: const BorderSide(color: AppColors.border),
                    ),
                    focusedBorder: OutlineInputBorder(
                      borderRadius: UIConstants.smallCardBorderRadius,
                      borderSide: const BorderSide(color: AppColors.accent),
                    ),
                  ),
                  onSubmitted: (value) {
                    final text = value.trim();
                    if (text.isNotEmpty) {
                      Navigator.of(context).pop(text);
                    }
                  },
                ),
                const SizedBox(height: UIConstants.spacing24),
                Row(
                  mainAxisAlignment: MainAxisAlignment.end,
                  children: [
                    TextButton(
                      onPressed: () => Navigator.of(context).pop(),
                      style: TextButton.styleFrom(
                        foregroundColor: AppColors.textSecondary,
                        shape: RoundedRectangleBorder(
                          borderRadius: UIConstants.smallCardBorderRadius,
                        ),
                        padding: const EdgeInsets.symmetric(
                          horizontal: UIConstants.spacing16,
                          vertical: UIConstants.spacing12,
                        ),
                      ),
                      child: Text(
                        'Cancel',
                        style: GoogleFonts.inter(
                          fontSize: 14,
                          fontWeight: FontWeight.w500,
                        ),
                      ),
                    ),
                    const SizedBox(width: UIConstants.spacing8),
                    FilledButton(
                      onPressed: () {
                        final text = controller.text.trim();
                        if (text.isNotEmpty) {
                          Navigator.of(context).pop(text);
                        }
                      },
                      style: FilledButton.styleFrom(
                        backgroundColor: AppColors.accent,
                        foregroundColor: AppColors.zinc950,
                        shape: RoundedRectangleBorder(
                          borderRadius: UIConstants.smallCardBorderRadius,
                        ),
                        padding: const EdgeInsets.symmetric(
                          horizontal: UIConstants.spacing16,
                          vertical: UIConstants.spacing12,
                        ),
                      ),
                      child: Text(
                        confirmLabel,
                        style: GoogleFonts.inter(
                          fontSize: 14,
                          fontWeight: FontWeight.w600,
                        ),
                      ),
                    ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}