//
// 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 SwiftUI

struct ItemLandscapeTopBarView: View {

	@EnvironmentObject
	private var viewModel: ItemViewModel

	var body: some View {
		HStack {
			VStack(alignment: .leading) {

				// MARK: Name

				Text(viewModel.getItemDisplayName())
					.font(.title)
					.fontWeight(.semibold)
					.foregroundColor(.primary)
					.padding(.leading, 16)
					.padding(.bottom, 10)

				// MARK: Details

				HStack {

					if viewModel.item.unaired {
						if let premiereDateLabel = viewModel.item.airDateLabel {
							Text(premiereDateLabel)
								.font(.subheadline)
								.fontWeight(.medium)
								.foregroundColor(.secondary)
								.lineLimit(1)
						}
					}

					if let runtime = viewModel.item.getItemRuntime() {
						Text(runtime)
							.font(.subheadline)
							.fontWeight(.medium)
							.foregroundColor(.secondary)
							.padding(.leading, 16)
					}

					if viewModel.item.productionYear != nil {
						Text(String(viewModel.item.productionYear ?? 0))
							.font(.subheadline)
							.fontWeight(.medium)
							.foregroundColor(.secondary)
					}

					if viewModel.item.officialRating != nil {
						Text(viewModel.item.officialRating!)
							.font(.subheadline)
							.fontWeight(.semibold)
							.foregroundColor(.secondary)
							.padding(EdgeInsets(top: 1, leading: 4, bottom: 1, trailing: 4))
							.overlay(RoundedRectangle(cornerRadius: 2)
								.stroke(Color.secondary, lineWidth: 1))
					}

					Spacer()

					if viewModel.item.itemType.showDetails {
						// MARK: Favorite

						Button {
							viewModel.updateFavoriteState()
						} label: {
							if viewModel.isFavorited {
								Image(systemName: "heart.fill").foregroundColor(Color(UIColor.systemRed))
									.font(.system(size: 20))
							} else {
								Image(systemName: "heart").foregroundColor(Color.primary)
									.font(.system(size: 20))
							}
						}
						.disabled(viewModel.isLoading)

						// MARK: Watched

						Button {
							viewModel.updateWatchState()
						} label: {
							if viewModel.isWatched {
								Image(systemName: "checkmark.circle.fill").foregroundColor(Color.primary)
									.font(.system(size: 20))
							} else {
								Image(systemName: "checkmark.circle").foregroundColor(Color.primary)
									.font(.system(size: 20))
							}
						}
						.disabled(viewModel.isLoading)
					}
				}
				.padding(.leading)

				if viewModel.videoPlayerViewModels.count > 1 {
					Menu {
						ForEach(viewModel.videoPlayerViewModels, id: \.versionName) { viewModelOption in
							Button {
								viewModel.selectedVideoPlayerViewModel = viewModelOption
							} label: {
								if viewModelOption.versionName == viewModel.selectedVideoPlayerViewModel?.versionName {
									Label(viewModelOption.versionName ?? L10n.noTitle, systemImage: "checkmark")
								} else {
									Text(viewModelOption.versionName ?? L10n.noTitle)
								}
							}
						}
					} label: {
						HStack(spacing: 5) {
							Text(viewModel.selectedVideoPlayerViewModel?.versionName ?? L10n.noTitle)
								.fontWeight(.semibold)
								.fixedSize()
							Image(systemName: "chevron.down")
						}
					}
					.padding(.leading)
				}
			}
		}
	}
}