// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
//
// SPDX-License-Identifier: AGPL-3.0-or-later

import 'package:tatchat/config/themes.dart';
import 'package:tatchat/l10n/l10n.dart';
import 'package:tatchat/pages/chat/chat.dart';
import 'package:tatchat/utils/platform_infos.dart';
import 'package:material_ui/material_ui.dart';

class ChatAttachmentPicker extends StatelessWidget {
  final ChatController controller;

  const ChatAttachmentPicker(this.controller, {super.key});

  static const double _itemSpacing = 8;
  static const double _handleSize = 4;

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    final l10n = L10n.of(context);
    final mobile = PlatformInfos.isMobile;

    final items = <(IconData, String, AddPopupMenuActions)>[
      if (mobile)
        (
          Icons.gps_fixed_outlined,
          l10n.shareLocation,
          AddPopupMenuActions.location,
        ),
      (Icons.poll_outlined, l10n.startPoll, AddPopupMenuActions.poll),
      if (mobile)
        (
          Icons.videocam_outlined,
          l10n.recordAVideo,
          AddPopupMenuActions.videoCamera,
        ),
      if (mobile)
        (
          Icons.camera_alt_outlined,
          l10n.takeAPhoto,
          AddPopupMenuActions.photoCamera,
        ),
      (Icons.image_outlined, l10n.openGallery, AddPopupMenuActions.media),
      (Icons.attachment_outlined, l10n.sendFile, AddPopupMenuActions.file),
    ];
    if (items.isEmpty) return const SizedBox.shrink();

    final rows = <List<(IconData, String, AddPopupMenuActions)>>[];
    for (var i = 0; i < items.length; i += 3) {
      rows.add(items.sublist(i, i + 3 > items.length ? items.length : i + 3));
    }

    return ClipRRect(
      borderRadius: const BorderRadius.vertical(top: Radius.circular(20)),
      child: AnimatedSize(
        duration: FluffyThemes.animationDuration,
        curve: FluffyThemes.animationCurve,
        alignment: Alignment.bottomCenter,
        child: controller.showAttachmentPicker
            ? Material(
                color: theme.colorScheme.surfaceContainer,
                child: Padding(
                  padding: const EdgeInsets.fromLTRB(12, 6, 12, 12),
                  child: Column(
                    mainAxisSize: .min,
                    children: [
                      Container(
                        width: 32,
                        height: _handleSize,
                        decoration: BoxDecoration(
                          color: theme.colorScheme.outlineVariant,
                          borderRadius: BorderRadius.circular(_handleSize / 2),
                        ),
                      ),
                      const SizedBox(height: 12),
                      Column(
                        mainAxisSize: .min,
                        children: [
                          for (final (i, row) in rows.indexed) ...[
                            if (i > 0) const SizedBox(height: _itemSpacing),
                            Row(
                              children: [
                                for (final item in row) ...[
                                  if (row.indexOf(item) > 0)
                                    const SizedBox(width: _itemSpacing),
                                  Expanded(
                                    child: AspectRatio(
                                      aspectRatio: 1,
                                      child: _AttachmentItem(
                                        icon: item.$1,
                                        label: item.$2,
                                        onTap: () {
                                          controller.hideAttachmentPicker();
                                          controller
                                              .onAddPopupMenuButtonSelected(
                                                item.$3,
                                              );
                                        },
                                      ),
                                    ),
                                  ),
                                ],
                                if (row.length < 3)
                                  for (var i = 0; i < 3 - row.length; i++) ...[
                                    const SizedBox(width: _itemSpacing),
                                    const Expanded(child: SizedBox()),
                                  ],
                              ],
                            ),
                          ],
                        ],
                      ),
                    ],
                  ),
                ),
              )
            : const SizedBox.shrink(),
      ),
    );
  }
}

class _AttachmentItem extends StatelessWidget {
  final IconData icon;
  final String label;
  final VoidCallback onTap;

  const _AttachmentItem({
    required this.icon,
    required this.label,
    required this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Material(
      color: theme.colorScheme.secondaryContainer,
      borderRadius: BorderRadius.circular(20),
      clipBehavior: Clip.hardEdge,
      child: InkWell(
        onTap: onTap,
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(icon, size: 30, color: theme.colorScheme.onSecondaryContainer),
            const SizedBox(height: 8),
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 4),
              child: Text(
                label,
                maxLines: 1,
                overflow: TextOverflow.ellipsis,
                textAlign: TextAlign.center,
                style: theme.textTheme.labelMedium?.copyWith(
                  color: theme.colorScheme.onSecondaryContainer,
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}