import SwiftUI

struct PrimaryActionStyle: ButtonStyle {
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .font(.footnote.weight(.semibold))
            .frame(maxWidth: .infinity)
            .padding(.horizontal, 12)
            .padding(.vertical, 10)
            .foregroundStyle(Color.idpPrimaryForeground)
            .background(
                RoundedRectangle(cornerRadius: IdP.controlRadius, style: .continuous)
                    .fill(Color.idpPrimary)
            )
            .opacity(configuration.isPressed ? 0.85 : 1)
    }
}

struct SecondaryActionStyle: ButtonStyle {
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .font(.footnote.weight(.semibold))
            .frame(maxWidth: .infinity)
            .padding(.horizontal, 12)
            .padding(.vertical, 10)
            .foregroundStyle(.white)
            .background(
                RoundedRectangle(cornerRadius: IdP.controlRadius, style: .continuous)
                    .fill(Color.clear)
            )
            .overlay(
                RoundedRectangle(cornerRadius: IdP.controlRadius, style: .continuous)
                    .stroke(Color.white.opacity(0.22), lineWidth: 1)
            )
            .opacity(configuration.isPressed ? 0.7 : 1)
    }
}

struct DestructiveStyle: ButtonStyle {
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .font(.footnote.weight(.semibold))
            .frame(maxWidth: .infinity)
            .padding(.horizontal, 12)
            .padding(.vertical, 10)
            .foregroundStyle(.white)
            .background(
                RoundedRectangle(cornerRadius: IdP.controlRadius, style: .continuous)
                    .fill(Color.idpDestructive)
            )
            .opacity(configuration.isPressed ? 0.85 : 1)
    }
}

struct WatchBadge: View {
    enum Tone {
        case neutral
        case accent
        case ok
        case warn
        case danger
    }

    let title: String
    var tone: Tone = .neutral

    var body: some View {
        Text(title)
            .font(.system(size: 9, weight: .bold))
            .tracking(0.5)
            .foregroundStyle(foreground)
            .padding(.horizontal, 6)
            .padding(.vertical, 2)
            .background(background, in: Capsule(style: .continuous))
            .overlay(
                Capsule(style: .continuous)
                    .stroke(stroke, lineWidth: 1)
            )
    }

    private var foreground: Color {
        switch tone {
        case .neutral: return Color.idpMutedForeground
        case .accent: return IdP.tint
        case .ok: return Color.idpOK
        case .warn: return Color.idpWarn
        case .danger: return Color.idpDestructive
        }
    }

    private var background: Color {
        switch tone {
        case .neutral: return Color.white.opacity(0.05)
        default: return .clear
        }
    }

    private var stroke: Color {
        switch tone {
        case .accent: return IdP.tint.opacity(0.45)
        case .ok: return Color.idpOK.opacity(0.45)
        case .warn: return Color.idpWarn.opacity(0.45)
        case .danger: return Color.idpDestructive.opacity(0.55)
        case .neutral: return .clear
        }
    }
}