//
//  ContentView.swift
//  DiceViewWithList
//
//  Created by Guy Lapalme on 2023-07-28.
//

import SwiftUI

struct ContentView: View {
    @State private var move:String = "Roll"
    @State private var nbRolls:Int = 0
    @StateObject private var dice = Dice()

    @StateObject private var upper_section
        = Section(["Aces", "Twos", "Threes", "Fours", "Fives", "Sixes"])
    @State private var upper_total:Int = 0
    @State private var upper_bonus:Int = 0
    
    @StateObject private var lower_section
        = Section(["3 of a kind", "4 of kind", "Full house",
               "Small straight", "Large straight", "Yahtzee","Chance"])
    @State private var lower_total = 0
    @State private var grand_total = 0
    
    @StateObject var selectColor = SelectColor()
    
    func roll_dice(){
        nbRolls += 1
        if nbRolls <= 3 {
            dice.roll()
            if nbRolls == 3 {
                show_scores()
                move = "Score"
            }
        }
    }
    
    func show_scores(){
        let (upper,lower) = yathzeeScores(dice: dice.dice)
        upper_section.set_scores(values:upper)
        lower_section.set_scores(values:lower)
    }
    
    func update_totals(){
        upper_section.clear_unselected()
        lower_section.clear_unselected()
        upper_total = upper_section.total()
        upper_bonus = upper_total >= 63 ? 35 : 0
        lower_total = lower_section.total()
        grand_total = upper_total + upper_bonus + lower_total
        dice.clear_fixed()
        move = "Roll"
        nbRolls=0
    }
    
    func restart(){
        upper_section.init_scores()
        lower_section.init_scores()
        update_totals()
    }
    
    var body: some View {
        VStack {
            HStack (spacing:3){ // top view with dice and buttons
                DiceView(dice: dice)
                Button (move,action:roll_dice)
                    .frame(width: 90)
                    .buttonStyle(.bordered)
                    .fixedSize()
                Button ("C", action: selectColor.nextColor)
            }
            SectionView(section: upper_section,action: update_totals)
            CategoryView(kind: "Upper section total",score: $upper_total)
            CategoryView(kind: "Upper section bonus",score: $upper_bonus)
            SectionView(section: lower_section,action: update_totals)
            CategoryView(kind: "Lower section total", score: $lower_total)
            CategoryView(kind: "Grand total", score: $grand_total)
            if upper_section.all_selected() && lower_section.all_selected(){
                // must call .init() so that Markdown string interpolation works 
                Button (.init("*Game over: \(grand_total) points*\nClick to restart"),
                        action:restart)
                  .font(.title)
                  .buttonStyle(.bordered)
           }
        }.environmentObject(selectColor)
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}