#import <MRDLNA/MRDLNA.h>

@interface YourViewController : UIViewController <DLNADelegate>
@property(nonatomic, strong) MRDLNA *dlnaManager;
@property(nonatomic, strong) NSArray *discoveredDevices;
@end

@implementation YourViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // Initialize DLNA manager | 初始化DLNA管理器
    self.dlnaManager = [MRDLNA sharedMRDLNAManager];
    self.dlnaManager.delegate = self;
    self.dlnaManager.searchTime = 10; // Search for 10 seconds | 搜索10秒
    
    // Start device discovery | 开始搜索设备
    [self.dlnaManager startSearch];
}

#pragma mark - DLNADelegate

- (void)searchDLNAResult:(NSArray *)devicesArray {
    NSLog(@"Found %lu DLNA devices", (unsigned long)devicesArray.count);
    self.discoveredDevices = devicesArray;
    // Update your UI here | 在此更新UI
}

- (void)dlnaStartPlay {
    NSLog(@"DLNA streaming started successfully");
    // Handle successful streaming | 处理投屏成功
}

@end

// Select a device from discovered devices | 从发现的设备中选择一个
CLUPnPDevice *selectedDevice = self.discoveredDevices.firstObject;
self.dlnaManager.device = selectedDevice;

// Set media URL | 设置媒体URL
NSString *mediaURL = @"http://example.com/video.mp4";
self.dlnaManager.playUrl = mediaURL;

// Basic streaming | 基础投屏
[self.dlnaManager startDLNA];

// OR Enhanced streaming with metadata | 或使用增强的元数据投屏
[self.dlnaManager.render setAVTransportURL:mediaURL 
                                    title:@"My Video Title" 
                                  creator:@"Creator Name"];

// Play/Pause toggle | 播放/暂停切换
- (IBAction)togglePlayPause:(id)sender {
    if (self.isPlaying) {
        [self.dlnaManager dlnaPause];
    } else {
        [self.dlnaManager dlnaPlay];
    }
    self.isPlaying = !self.isPlaying;
}

// Volume control (0-100) | 音量控制 (0-100)
- (IBAction)volumeChanged:(UISlider *)sender {
    NSString *volume = [NSString stringWithFormat:@"%.0f", sender.value];
    [self.dlnaManager volumeChanged:volume];
}

// Seek to position (in seconds) | 跳转到指定位置 (秒)
- (IBAction)seekToPosition:(UISlider *)sender {
    NSInteger seconds = (NSInteger)sender.value;
    [self.dlnaManager seekChanged:seconds];
}

// Stop and disconnect | 停止并断开连接
- (IBAction)stopStreaming:(id)sender {
    [self.dlnaManager endDLNA];
}

// Switch to different media | 切换到不同媒体
- (IBAction)playNextVideo:(id)sender {
    NSString *nextVideoURL = @"http://example.com/next-video.mp4";
    [self.dlnaManager playTheURL:nextVideoURL];
}

// The library automatically detects media type based on URL extension
// 库会根据URL扩展名自动检测媒体类型

// Video formats: .mp4, .avi, .mkv, .mov, .wmv, .flv
// Audio formats: .mp3, .wav, .flac, .aac, .ogg  
// Image formats: .jpg, .jpeg, .png, .gif, .bmp

NSString *audioURL = @"http://example.com/music.mp3";
[self.dlnaManager.render setAVTransportURL:audioURL 
                                    title:@"Beautiful Song" 
                                  creator:@"Artist Name"];

// Implement delegate method for search errors | 实现搜索错误的代理方法
- (void)upnpSearchErrorWithError:(NSError *)error {
    NSLog(@"DLNA search failed: %@", error.localizedDescription);
    // Handle search failure | 处理搜索失败
}

// Alternative start method with error recovery | 带错误恢复的启动方法
[self.dlnaManager startDLNAAfterStop]; // This stops current session first

// Adjust search timeout | 调整搜索超时时间
self.dlnaManager.searchTime = 15; // Default is 5 seconds | 默认5秒

// The library uses these default network settings:
// 库使用以下默认网络设置:
// - Multicast address: 239.255.255.250
// - SSDP port: 1900
// - HTTP timeout: 10 seconds