//
//  DiePoolView.swift
//  Bunch O' Dice
//

import SwiftUI

struct DiePoolView: View {
    var body: some View {
        HStack(spacing: 0) {
            ForEach(Dice.DiceType.allCases, id: \.rawValue) { i in
                DieView(whichDie: i)
            }
        }
    }
}

private struct DieView: View {
    let whichDie: Dice.DiceType
    @EnvironmentObject var current: Roll
    @Environment(\.dieColorSelected) var colorSelected
    @Environment(\.dieColorPrimary) var colorPrimary
    var body: some View {
        let size = 42.0
        let displayColorHit = (whichDie.rawValue >= current.cutoff.rawValue) ? colorSelected : colorPrimary
        let displayColorArmor = (whichDie.rawValue <= current.cutoff.rawValue) ? colorSelected : colorPrimary
        let displayColorArmorText = (whichDie.rawValue < current.cutoff.rawValue) ? colorSelected : colorPrimary

        VStack(spacing: 2) {
            Text(String(current.dice.value(which: whichDie)))
                .foregroundColor(current.state == .armour ? displayColorArmorText : displayColorHit)
                .frame(minWidth: 30, alignment: .center)
            Image(systemName: "die.face." + String(whichDie.rawValue) + ".fill")
                .foregroundColor(current.state == .armour ? displayColorArmor : displayColorHit)
        }
        .font(.system(size: size))
        .padding(4)
        .frame(maxWidth: .infinity)
        .gesture(TapGesture().onEnded {
            if current.state == .hit {
                if whichDie.rawValue != 1 {
                    current.hitCutoff = whichDie
                }
            } else if current.state == .armour {
                current.armourSave = Int(whichDie.rawValue)
            }
        })
    }
}

#Preview {
    DiePoolView()
        .environmentObject(Roll())
}