IceCubesApp/Packages/Account/Sources/Account/AccountDetailView.swift

import SwiftUI
import Models
import Network
import Status
import Shimmer
import DesignSystem

public struct AccountDetailView: View {
  @EnvironmentObject private var client: Client
  @StateObject private var viewModel: AccountDetailViewModel
  @State private var scrollOffset: CGFloat = 0
  
  public init(accountId: String) {
    _viewModel = StateObject(wrappedValue: .init(accountId: accountId))
  }
  
  public init(account: Account) {
    _viewModel = StateObject(wrappedValue: .init(account: account))
  }
  
  public var body: some View {
    ScrollViewOffsetReader { offset in
      self.scrollOffset = offset
    } content: {
      LazyVStack {
        headerView
        Divider()
          .offset(y: -20)
        StatusesListView(fetcher: viewModel)
      }
    }
    .task {
      viewModel.client = client
      await viewModel.fetchAccount()
      await viewModel.fetchStatuses()
    }
    .edgesIgnoringSafeArea(.top)
    .navigationTitle(Text(scrollOffset < -20 ? viewModel.title : ""))
  }
  
  @ViewBuilder
  private var headerView: some View {
    switch viewModel.state {
    case .loading:
      AccountDetailHeaderView(account: .placeholder())
        .redacted(reason: .placeholder)
    case let .data(account):
      AccountDetailHeaderView(account: account)
    case let .error(error):
      Text("Error: \(error.localizedDescription)")
    }
    
  }
}

struct AccountDetailView_Previews: PreviewProvider {
  static var previews: some View {
    AccountDetailView(account: .placeholder())
  }
}