TodosApp/Todos/View/CategoryPanelView.swift

//
//  CategoryPanelView.swift
//  Todos
//
//  Created by Sam Jaffe on 2/28/26.
//

import SwiftUI
import SwiftData

struct CategoryPanelView: View {
  @Bindable var item: Category

  var body: some View {
    let style = Date.FormatStyle(date: .numeric, time: .standard)
    HStack {
      Text(item.name)
          .font(.title)
          .padding(.leading, 10)
      Spacer()
      Button(action: addItem) {
        Image(systemName: "plus")
      }
        .help("New Task")
        .padding(.trailing, 10)
    }
    Text("Created on \(item.timestamp, format: style)")
    List {
      ForEach($item.tasks) { task in
        TaskView(task: task)
      }
    }
  }
  
  private func addItem() {
    withAnimation {
      let newTask = Task(name: "New Task")
      item.tasks.append(newTask)
    }
  }
}

#Preview {
  @Previewable @State var item = Category(timestamp: Date())
  CategoryPanelView(item: item)
}