import Foundation

public struct AudioFormat: Hashable, Codable, Sendable {
    public enum Codec: String, Codable, Sendable {
        case flac, alac, wav, mp3, aac, opus, vorbis, eac3
    }

    public var codec: Codec
    public var bitrateKbps: Int?
    public var sampleRate: Int?
    public var bitDepth: Int?
    public var channels: Int

    public init(codec: Codec, bitrateKbps: Int? = nil, sampleRate: Int? = nil, bitDepth: Int? = nil, channels: Int = 2) {
        self.codec = codec
        self.bitrateKbps = bitrateKbps
        self.sampleRate = sampleRate
        self.bitDepth = bitDepth
        self.channels = channels
    }

    public var isLossless: Bool {
        switch codec {
        case .flac, .alac, .wav: true
        default: false
        }
    }

    public var isHiRes: Bool {
        isLossless && ((sampleRate ?? 0) > 48000 || (bitDepth ?? 0) > 16 && (sampleRate ?? 0) > 44100)
    }
}