//
//  CompanyGalleryView.swift
//  IOS_study
//
//  Created by CC-star on 2025/7/22.
//

import SwiftUI

struct CompanyGalleryView: View {
   @Environment(ProfileViewModel.self) var vm
   @Environment(\.dismiss) var dismiss
   @State var currentPage: Int
   @State var showConfirm = false
    var body: some View {
       TabView(selection: $currentPage) {
          ForEach(vm.companyUIImages.indices, id: \.self) { i in
             Image(uiImage: vm.companyUIImages[i]).resizable().scaledToFit().tag(i)
          }
       }.bg().tabViewStyle(.page)
          .toolbar {
             ToolbarItem(placement: .principal) {
                Text("\(currentPage + 1)/\(vm.companyUIImages.count)").tc().bold()
             }
             ToolbarItem(placement: .topBarTrailing) {
                Image(systemName: "trash").onTapGesture {
                   showConfirm = true
                }
             }
          }
          .confirmationDialog("删除一张图片", isPresented: $showConfirm, actions: {
             Button {
                guard currentPage < vm.companyUIImages.count else { return }
                vm.companyUIImages.remove(at: currentPage)
                if vm.companyUIImages.isEmpty {
                   dismiss()
                } else if currentPage >= vm.companyUIImages.count {
                   currentPage = vm.companyUIImages.count - 1
                }
             } label: {
                Text("删除")
             }
          }, message: { Text("要删除这张图片吗？") })
    }
}