//
//  LiveStreamProgressIndicator.swift
//  DynamicIsland
//
//  Shared indicator used for live stream playback timelines.
//

import SwiftUI

struct LiveStreamProgressIndicator: View {
    let tint: Color

    private var baseGradient: LinearGradient {
        LinearGradient(
            colors: [
                tint.opacity(0.18),
                tint.opacity(0.42),
                tint.opacity(0.18)
            ],
            startPoint: .leading,
            endPoint: .trailing
        )
    }

    private var centerShade: LinearGradient {
        LinearGradient(
            stops: [
                .init(color: .black.opacity(0.0), location: 0.0),
                .init(color: .black.opacity(0.38), location: 0.5),
                .init(color: .black.opacity(0.0), location: 1.0)
            ],
            startPoint: .leading,
            endPoint: .trailing
        )
    }

    var body: some View {
        Capsule()
            .fill(Color.white.opacity(0.07))
            .overlay(
                Capsule()
                    .fill(baseGradient)
                    .opacity(0.9)
                    .blendMode(.plusLighter)
            )
            .overlay(
                Capsule()
                    .fill(centerShade)
                    .blendMode(.multiply)
            )
            .overlay(
                Capsule()
                    .stroke(tint.opacity(0.6), lineWidth: 0.7)
                    .blendMode(.screen)
            )
            .frame(height: 10)
            .overlay {
                Text("LIVE")
                    .font(.system(size: 12, weight: .black, design: .rounded))
                    .tracking(1.4)
                    .foregroundStyle(Color.white)
                    .shadow(color: .black.opacity(0.65), radius: 4, y: 1)
            }
            .allowsHitTesting(false)
            .accessibilityLabel("Live stream indicator")
            .opacity(0.95)
    }
}