import 'package:flutter/material.dart';

/// Result of [showEntryDialog]: an entry id + content.
class EntryInput {
  final String id;
  final String content;
  EntryInput(this.id, this.content);
}

/// Dialog to add or edit an entry.
/// When [lockedId] is true, the id field is disabled (editing existing entry).
Future<EntryInput?> showEntryDialog(
  BuildContext context, {
  required String title,
  required String id,
  required String initialContent,
  required bool lockedId,
}) {
  final idCtrl = TextEditingController(text: id);
  final contentCtrl = TextEditingController(text: initialContent);
  return showDialog<EntryInput>(
    context: context,
    builder: (ctx) => AlertDialog(
      title: Text(title),
      content: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          TextField(
            controller: idCtrl,
            enabled: !lockedId,
            decoration: const InputDecoration(
                labelText: 'ID (unik)', border: OutlineInputBorder()),
          ),
          const SizedBox(height: 12),
          TextField(
            controller: contentCtrl,
            maxLines: 5,
            decoration: const InputDecoration(
                labelText: 'Konten', border: OutlineInputBorder()),
          ),
        ],
      ),
      actions: [
        TextButton(
            onPressed: () => Navigator.pop(ctx),
            child: const Text('Batal')),
        ElevatedButton(
          onPressed: () => Navigator.pop(
              ctx, EntryInput(idCtrl.text.trim(), contentCtrl.text)),
          child: const Text('Simpan'),
        ),
      ],
    ),
  );
}

/// Confirmation dialog; returns true if user confirms.
Future<bool?> showConfirmDialog(
  BuildContext context, {
  required String title,
  required String body,
}) {
  return showDialog<bool>(
    context: context,
    builder: (ctx) => AlertDialog(
      title: Text(title),
      content: Text(body),
      actions: [
        TextButton(
            onPressed: () => Navigator.pop(ctx, false),
            child: const Text('Batal')),
        ElevatedButton(
          style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
          onPressed: () => Navigator.pop(ctx, true),
          child: const Text('Hapus', style: TextStyle(color: Colors.white)),
        ),
      ],
    ),
  );
}