import Foundation

/// Profilo RTMP allineato a MediaMTX slate + YoutubeRelay (copy A/V).
/// Audio: AAC 48 kHz mono 128 kbps.
struct BroadcastConfig: Sendable {
    let rtmpUrl: String
    var width: Int = 1280
    var height: Int = 720
    var videoBitrate: Int = 2_500_000
    var audioBitrate: Int = 128_000
    var fps: Int = 30
    var rotation: Int = 0
    var portrait: Bool = false
    var maxReconnectAttempts: Int = 10
    var reconnectDelayMs: Int = 5_000

    static let audioSampleRateHz: Float64 = 48_000
    static let audioChannels: UInt32 = 1
}

enum BroadcastPhase: String, Sendable {
    case idle, preview, connecting, live, paused, reconnecting, error
}

struct BroadcastMetrics: Sendable {
    var phase: BroadcastPhase = .idle
    var bitrateKbps: Int = 0
    var fps: Int = 0
    var connected: Bool = false
    var lastError: String?
}