//
//  RerollPickerView.swift
//  Bunch O' Dice
//

import SwiftUI

@available(iOS 26.0, *)
struct RerollPickerView: View {
    @EnvironmentObject var current: Roll
    @Binding var mode: RerollMode

    var body: some View {
        let actionBinding = Binding<RerollMode>(
            get: { mode },
            set: { newValue in
                mode = newValue
                if newValue != .none {
                    current.applyReroll()
                } else {
                    current.undoReroll()
                }
            }
        )
        HStack(spacing: 8) {
            Text("Reroll")
            HStack(spacing: 6) {
                ForEach(RerollMode.allCases, id: \.self) { m in
                    let isSelected = mode == m
                    Button(action: { actionBinding.wrappedValue = m }) {
                        Text(m.label)
                            .fontWeight(isSelected ? .semibold : .regular)
                            .padding(.horizontal, 12)
                            .padding(.vertical, 6)
                            .foregroundColor(isSelected ? Color(UIColor.systemBackground) : .primary)
                            .background(isSelected ? Color.green : Color.gray)
                            .clipShape(Capsule())
                            .overlay(Capsule().stroke(Color.primary, lineWidth: 1))
                            .glassEffect()
                    }
                }
            }
        }
        .padding(.horizontal)
    }
}

#Preview {
    if #available(iOS 26.0, *) {
        RerollPickerView(mode: .constant(.none))
            .environmentObject(Roll())
    }
}