// Copyright (C) 2024 Rubén Beltrán del Río

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see https://map.tranquil.systems.

import SwiftUI

enum PreferencesTab: String, CaseIterable {
  case general = "General"
  case appearance = "Appearance"
  case map = "Map"
  case stages = "Stages"
  case templates = "Templates"

  var systemImage: String {
    switch self {
    case .general:
      return "gearshape"
    case .appearance:
      return "paintpalette"
    case .map:
      return "map"
    case .stages:
      return "list.number"
    case .templates:
      return "doc.text"
    }
  }
}

struct PreferencesWindow: View {
  @State private var selectedTab: PreferencesTab = .general

  var body: some View {
    Group {
      switch selectedTab {
      case .general:
        GeneralPreferencesView()
      case .appearance:
        AppearancePreferencesView()
      case .map:
        MapPreferencesView()
      case .stages:
        StagesPreferencesView()
      case .templates:
        TemplatesPreferencesView()
      }
    }
    .frame(width: 600, height: 400)
    .toolbar {
      ToolbarItem(placement: .principal) {
        HStack(spacing: 12) {
          ForEach(PreferencesTab.allCases, id: \.self) { tab in
            Button(action: { selectedTab = tab }) {
              VStack(spacing: 2) {
                Image(systemName: tab.systemImage)
                  .font(.system(size: 16))
                Text(tab.rawValue)
                  .font(.caption2)
              }
              .frame(width: 60, height: 40)
              .background(selectedTab == tab ? Color.accentColor.opacity(0.2) : Color.clear)
              .foregroundColor(selectedTab == tab ? .accentColor : .primary)
              .cornerRadius(6)
            }
            .buttonStyle(.plain)
          }
        }
      }
    }
  }
}

#Preview {
  PreferencesWindow()
}