jel/Jel/Views/Library/Item/ItemHeaderView.swift

//
//  ItemHeaderView.swift
//  Jel
//
//  Created by zerocool on 12/23/23.
//

import SwiftUI
import JellyfinKit

struct ItemHeaderView: View {
  @State var item: BaseItemDto
  
  let overlayGradient = LinearGradient(gradient: Gradient(stops: [
    .init(color: .clear, location: 0),
    .init(color: .black, location: 0.5),
    //    .init(color: .black, location: 0.7),
    //    .init(color: .clear, location: 1)
  ]), startPoint: .bottom, endPoint: .top)
  
  var body: some View {
    ZStack(alignment: .bottom) {
      StickyHeaderView(minHeight: 300) {
        LibraryIconView(library: item, imageType: "Backdrop", contentMode: .fill)
          .hideCaption()
          .setCornerRadius(0)
          .mask(overlayGradient)
          .background {
            LibraryIconView(library: item, imageType: "Backdrop", contentMode: .fill)
              .hideCaption()
              .setCornerRadius(0)
              .blur(radius: 50)
          }
      }
      
      HStack {
        LibraryIconView(library: item, imageType: "Logo", width: 200, height: 100, placeHolder: AnyView(Text(item.name ?? "Unknown").font(.title).bold().truncationMode(.middle)))
          .hideCaption()
          .setCornerRadius(0)
          .shadow(radius: 10)
          .frame(alignment: .leading)
        Spacer()
        ItemInfoView(item: item)
          .foregroundStyle(.white)
      }
      .padding([.leading, .trailing])
    }
    .scrollTransition {content, phase in
      content
        .scaleEffect(phase.isIdentity ? 1 : 2)
        .opacity(phase.isIdentity ? 1 : 0.1)
        .blur(radius: phase.isIdentity ? 0 : 50)
    }
  }
}

//  #Preview {
//    ItemHeaderView(item: BaseItemDto())
//  }