//
// Swiftfin is subject to the terms of the Mozilla Public
// License, v2.0. If a copy of the MPL was not distributed with this
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2022 Jellyfin & Jellyfin Contributors
//

import Foundation
import JellyfinAPI
import Stinsen
import SwiftUI

struct LibraryListView: View {
    @EnvironmentObject
    private var libraryListRouter: LibraryListCoordinator.Router
    @StateObject
    var viewModel = LibraryListViewModel()

    var body: some View {
        ScrollView {
            LazyVStack {
                Button {
                    libraryListRouter.route(
                        to: \.library,
                        (viewModel: LibraryViewModel(filters: viewModel.withFavorites), title: L10n.favorites)
                    )
                } label: {
                    ZStack {
                        HStack {
                            Spacer()
                            L10n.yourFavorites.text
                                .foregroundColor(.black)
                                .font(.subheadline)
                                .fontWeight(.semibold)
                            Spacer()
                        }
                    }
                    .padding(16)
                    .background(Color.white)
                    .frame(minWidth: 100, maxWidth: .infinity)
                }
                .cornerRadius(10)
                .shadow(radius: 5)
                .padding(.bottom, 5)

                if !viewModel.isLoading {
                    ForEach(viewModel.filteredLibraries, id: \.id) { library in
                        Button {
                            if library.collectionType == "livetv" {
                                libraryListRouter.route(to: \.liveTV)
                            } else {
                                libraryListRouter.route(
                                    to: \.library,
                                    (
                                        viewModel: LibraryViewModel(parentID: library.id),
                                        title: library.name ?? ""
                                    )
                                )
                            }
                        } label: {
                            ZStack {
                                ImageView(library.imageSource(.primary, maxWidth: 500))
                                    .opacity(0.4)
                                    .accessibilityIgnoresInvertColors()
                                HStack {
                                    Spacer()
                                    VStack {
                                        Text(library.name ?? "")
                                            .foregroundColor(.white)
                                            .font(.title2)
                                            .fontWeight(.semibold)
                                    }
                                    Spacer()
                                }.padding(32)
                            }.background(Color.black)
                                .frame(minWidth: 100, maxWidth: .infinity)
                                .frame(height: 100)
                        }
                        .cornerRadius(10)
                        .shadow(radius: 5)
                        .padding(.bottom, 5)
                    }
                } else {
                    ProgressView()
                }
            }.padding(.leading, 16)
                .padding(.trailing, 16)
                .padding(.top, 8)
        }
        .navigationTitle(L10n.allMedia)
    }
}