//
// 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 Stinsen
import SwiftUI

struct LiveTVProgramsView: View {
    @EnvironmentObject
    private var programsRouter: LiveTVProgramsCoordinator.Router
    @StateObject
    var viewModel = LiveTVProgramsViewModel()

    var body: some View {
        ScrollView {
            LazyVStack(alignment: .leading) {
                if !viewModel.recommendedItems.isEmpty,
                   let items = viewModel.recommendedItems
                {
                    PosterHStack(title: "On Now", type: .portrait, items: items)
                        .onSelect { item in
                            if let chanId = item.channelId,
                               let chan = viewModel.findChannel(id: chanId)
                            {
                                self.viewModel.fetchVideoPlayerViewModel(item: chan) { playerViewModel in
                                    self.programsRouter.route(to: \.videoPlayer, playerViewModel)
                                }
                            }
                        }
                }
                if !viewModel.seriesItems.isEmpty,
                   let items = viewModel.seriesItems
                {
                    PosterHStack(title: "Shows", type: .portrait, items: items)
                        .onSelect { item in
                            if let chanId = item.channelId,
                               let chan = viewModel.findChannel(id: chanId)
                            {
                                self.viewModel.fetchVideoPlayerViewModel(item: chan) { playerViewModel in
                                    self.programsRouter.route(to: \.videoPlayer, playerViewModel)
                                }
                            }
                        }
                }
                if !viewModel.movieItems.isEmpty,
                   let items = viewModel.movieItems
                {
                    PosterHStack(title: "Movies", type: .portrait, items: items)
                        .onSelect { item in
                            if let chanId = item.channelId,
                               let chan = viewModel.findChannel(id: chanId)
                            {
                                self.viewModel.fetchVideoPlayerViewModel(item: chan) { playerViewModel in
                                    self.programsRouter.route(to: \.videoPlayer, playerViewModel)
                                }
                            }
                        }
                }
                if !viewModel.sportsItems.isEmpty,
                   let items = viewModel.sportsItems
                {
                    PosterHStack(title: "Sports", type: .portrait, items: items)
                        .onSelect { item in
                            if let chanId = item.channelId,
                               let chan = viewModel.findChannel(id: chanId)
                            {
                                self.viewModel.fetchVideoPlayerViewModel(item: chan) { playerViewModel in
                                    self.programsRouter.route(to: \.videoPlayer, playerViewModel)
                                }
                            }
                        }
                }
                if !viewModel.kidsItems.isEmpty,
                   let items = viewModel.kidsItems
                {
                    PosterHStack(title: "Kids", type: .portrait, items: items)
                        .onSelect { item in
                            if let chanId = item.channelId,
                               let chan = viewModel.findChannel(id: chanId)
                            {
                                self.viewModel.fetchVideoPlayerViewModel(item: chan) { playerViewModel in
                                    self.programsRouter.route(to: \.videoPlayer, playerViewModel)
                                }
                            }
                        }
                }
                if !viewModel.newsItems.isEmpty,
                   let items = viewModel.newsItems
                {
                    PosterHStack(title: "News", type: .portrait, items: items)
                        .onSelect { item in
                            if let chanId = item.channelId,
                               let chan = viewModel.findChannel(id: chanId)
                            {
                                self.viewModel.fetchVideoPlayerViewModel(item: chan) { playerViewModel in
                                    self.programsRouter.route(to: \.videoPlayer, playerViewModel)
                                }
                            }
                        }
                }
            }
        }
    }
}