import 'dart:typed_data';

import 'package:flutter/material.dart';

import '../routing/app_routes.dart';
import 'details_bottom_sheet.dart';
import 'file_pick.dart';

/// Bottom sheet with "from gallery" and "take photo" actions for choosing a
/// chat background. Returns the picked image bytes **as-is** — cropping is a
/// separate, explicit step (see [cropChatBackgroundImage]) so the user isn't
/// forced through a cropper after every pick. Returns `null` if the user
/// cancelled everything.
Future<Uint8List?> showChatBackgroundPickerSheet(BuildContext context) async {
  Uint8List? result;
  await showDetailsBottomSheet(
    context,
    children: (sheetContext) =>
        imageSourceTiles(sheetContext, onPicked: (bytes) => result = bytes),
  );
  return result;
}

/// Opens the free-form cropper on [bytes] and returns the cropped result, or
/// `null` if the user cancelled. Free aspect ratio since the background fills
/// the whole screen.
Future<Uint8List?> cropChatBackgroundImage(
  BuildContext context,
  Uint8List bytes,
) => AppRoutes.openAvatarCrop(context, imageBytes: bytes, aspectRatio: null);