import SwiftUI

struct ReadinessCardView: View {
    let readiness: ReadinessResponse
    var statusColor: Color {
        switch readiness.status {
        case "ready": return Color(hex: "00d4aa")
        case "moderate": return Color(hex: "ffa500")
        default: return Color(hex: "ff6b6b")
        }
    }
    var statusEmoji: String {
        switch readiness.status { case "ready": return "💪"; case "moderate": return "🚶"; default: return "😴" }
    }
    var body: some View {
        VStack(spacing: 16) {
            Text("Готовность").font(.headline).foregroundColor(.white.opacity(0.7))
            ZStack {
                Circle().stroke(Color.white.opacity(0.1), lineWidth: 12).frame(width: 140, height: 140)
                Circle().trim(from: 0, to: CGFloat(readiness.score) / 100)
                    .stroke(statusColor, style: StrokeStyle(lineWidth: 12, lineCap: .round))
                    .frame(width: 140, height: 140).rotationEffect(.degrees(-90))
                    .animation(.easeInOut(duration: 1), value: readiness.score)
                VStack(spacing: 4) {
                    Text("\(readiness.score)").font(.system(size: 44, weight: .bold)).foregroundColor(statusColor)
                    Text(statusEmoji).font(.title2)
                }
            }
            Text(readiness.recommendation).font(.subheadline).foregroundColor(.white.opacity(0.8)).multilineTextAlignment(.center).padding(.horizontal)
            if let f = readiness.factors {
                VStack(spacing: 8) {
                    FactorRow(name: "Сон", score: f.sleep.score, value: f.sleep.value)
                    FactorRow(name: "HRV", score: f.hrv.score, value: f.hrv.value)
                    FactorRow(name: "Пульс", score: f.rhr.score, value: f.rhr.value)
                    FactorRow(name: "Активность", score: f.activity.score, value: f.activity.value)
                }.padding(.horizontal)
            }
        }
        .padding(24).background(Color.white.opacity(0.05)).cornerRadius(20).padding(.horizontal)
    }
}

struct FactorRow: View {
    let name: String; let score: Int; let value: String
    var body: some View {
        HStack {
            Text(name).font(.caption).foregroundColor(.white.opacity(0.6)).frame(width: 70, alignment: .leading)
            GeometryReader { geo in
                ZStack(alignment: .leading) {
                    RoundedRectangle(cornerRadius: 4).fill(Color.white.opacity(0.1))
                    RoundedRectangle(cornerRadius: 4).fill(Color(hex: "00d4aa")).frame(width: geo.size.width * CGFloat(score) / 100)
                }
            }.frame(height: 6)
            Text(value).font(.caption).foregroundColor(.white.opacity(0.6)).frame(width: 60, alignment: .trailing)
        }
    }
}