<?php

namespace App/Http/Controllers;

use Illuminate/Http/Request;
use Illuminate/Support/Facades/Auth;
use Illuminate/Support/Facades/Storage;
use getID3; // 确保已导入或正确别名 getID3 库
use App/Models/MusicUpload; // 假设您的模型名为 MusicUpload

class MusicUploadController extends Controller
{
    public function upload(Request $request)
    {
        // 验证文件上传
        $request->validate([
            'songs.*' => 'required|file|mimes:mp3,wav,ogg|max:50000', // 示例验证规则
        ]);

        if ($request->hasFile('songs')) {
            foreach ($request->file('songs') as $uploadedFile) {
                // 初始化 getID3 实例
                $track = new getID3($uploadedFile->getRealPath()); // getID3 构造函数接受文件路径

                // 提取音乐元数据
                $artistName = $track->getArtist() ?? 'Unknown Artist';
                $songName = $track->getTitle() ?? 'Unknown Title';
                $albumName = $track->getAlbum() ?? 'Unknown Album';
                $extension = $track->getFileFormat() ?? $uploadedFile->getClientOriginalExtension();

                // 生成音乐文件存储路径
                $musicFilename = time() . uniqid() . '.' . $extension;
                // 存储到 storage/app/public/songs 目录
                $uploadedFile->storeAs('public/songs', $musicFilename);
                $musicLocation = 'songs/' . $musicFilename; // 数据库中存储相对路径

                // --- 专辑封面处理 ---
                $thumbnailImage = $track->getArtwork(true); // 获取 Intervention/Image 实例

                $thumbnailLocation = null; // 初始化缩略图存储路径

                if ($thumbnailImage) {
                    // 获取图片扩展名，例如 'jpeg', 'png'
                    $artworkExtension = $thumbnailImage->extension;
                    $thumbnailFilename = 'artwork-' . time() . uniqid() . '.' . $artworkExtension;
                    // 存储到 storage/app/public/sthumbs 目录
                    $thumbnailStoragePath = 'sthumbs/' . $thumbnailFilename;

                    // 将 Intervention/Image 对象编码为二进制数据并存储
                    // 可以根据需要调整图片尺寸和质量，例如：
                    // $thumbnailImage->resize(300, 300)->encode('jpg', 80)
                    Storage::disk('public')->put($thumbnailStoragePath, $thumbnailImage->encode());
                    $thumbnailLocation = $thumbnailStoragePath; // 数据库中存储相对路径
                }

                // 保存到数据库
                $musicUpload = new MusicUpload();
                $musicUpload->user_id = Auth::id(); // 获取当前认证用户的ID
                $musicUpload->filename = $songName;
                $musicUpload->extension = $extension;
                $musicUpload->artistname = $artistName;
                $musicUpload->albumname = $albumName;
                $musicUpload->location = $musicLocation;
                $musicUpload->thumbnail = $thumbnailLocation;
                $musicUpload->save();
            }
        }

        return redirect()->back()->with('success', '音乐文件上传成功！');
    }
}