import SwiftUI

struct MusicActivityCard: View {
    let state: MusicActivityAttributes.ContentState
    let stale: Bool
    var body: some View {
        VStack(alignment: .leading, spacing: 10) {
            HStack(spacing: 12) {
                Image(systemName: "waveform").font(.title).foregroundStyle(.indigo)
                TrackLabels(state: state)
                Spacer(minLength: 0)
                Image(systemName: state.playing ? "play.fill" : "pause.fill")
                    .accessibilityLabel("Последнее состояние: " + (state.playing ? "воспроизведение" : "пауза"))
            }
            ProgressView(value: state.progress).tint(.indigo)
            ActivityStatus(state: state, stale: stale)
            Label("Открыть плеер", systemImage: "arrow.up.forward.app").font(.caption.weight(.semibold))
        }.padding(16)
    }
}

struct TrackLabels: View {
    let state: MusicActivityAttributes.ContentState
    var body: some View {
        VStack(alignment: .leading, spacing: 3) {
            Text(state.title).font(.headline).lineLimit(1)
            Text(state.artist.isEmpty ? "MusicBridge · музыка на ПК" : state.artist)
                .font(.caption).foregroundStyle(.secondary).lineLimit(1)
        }
    }
}

struct ActivityStatus: View {
    let state: MusicActivityAttributes.ContentState
    let stale: Bool
    var body: some View {
        if stale || !state.connected {
            Text("Данные устарели · откройте плеер").font(.caption).foregroundStyle(.secondary)
        } else {
            HStack(spacing: 4) {
                Text("Снимок с ПК в")
                Text(state.updatedAt, style: .time)
            }.font(.caption).foregroundStyle(.secondary)
        }
    }
}