import 'dart:io';

import 'package:flutter/material.dart';
import 'package:dio/dio.dart';
import 'package:flutter/services.dart';
import 'package:path_provider/path_provider.dart';
import '../screens/chat_file_viewer.dart';

class ChatFileActions {
  static void show(
      BuildContext context, {
        required String url,
        required String fileType,
      }) {
    showModalBottomSheet(
      context: context,
      shape: const RoundedRectangleBorder(
        borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
      ),
      builder: (_) {
        return SafeArea(
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              _actionTile(
                icon: Icons.open_in_new,
                title: "Open",
                onTap: () {
                  Navigator.pop(context);
                  ChatFileViewer.open(
                    context,
                    url: url,
                    fileType: fileType,
                  );
                },
              ),
              _actionTile(
                icon: Icons.download,
                title: "Download",
                onTap: () async {
                  Navigator.pop(context);
                  await _downloadFile(context, url, fileType);

                },
              ),
              const SizedBox(height: 8),
            ],
          ),
        );
      },
    );
  }

  static Widget _actionTile({
    required IconData icon,
    required String title,
    required VoidCallback onTap,
  }) {
    return ListTile(
      leading: Icon(icon),
      title: Text(title),
      onTap: onTap,
    );
  }


  static Future<void> _scanFile(String path) async {
    const platform = MethodChannel('media_scanner');

    try {
      await platform.invokeMethod('scanFile', {'path': path});
    } catch (_) {}
  }


  // ===========================
  // DOWNLOAD LOGIC
  // ===========================
  static Future<void> _downloadFile(
      BuildContext context,
      String url,
      String fileType,
      ) async {
    try {
      final fileName = url.split('/').last;

      Directory baseDir;

      if (fileType.startsWith('image/')) {
        baseDir = Directory('/storage/emulated/0/Pictures/KentChat');
      } else if (fileType.startsWith('video/')) {
        baseDir = Directory('/storage/emulated/0/Movies/KentChat');
      } else {
        baseDir = Directory('/storage/emulated/0/Download/KentChat');
      }

      if (!await baseDir.exists()) {
        await baseDir.create(recursive: true);
      }

      final filePath = "${baseDir.path}/$fileName";

      await Dio().download(url, filePath);

      // 🔔 IMPORTANT: Tell Android to scan the file
      await _scanFile(filePath);

      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text("Saved to ${baseDir.path}")),
      );
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text("Download failed")),
      );
    }
  }

}