//
// 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 CoreData
import Defaults
import Stinsen
import SwiftUI

struct SettingsView: View {

	@EnvironmentObject
	var settingsRouter: SettingsCoordinator.Router
	@ObservedObject
	var viewModel: SettingsViewModel

	@Default(.inNetworkBandwidth)
	var inNetworkStreamBitrate
	@Default(.outOfNetworkBandwidth)
	var outOfNetworkStreamBitrate
	@Default(.isAutoSelectSubtitles)
	var isAutoSelectSubtitles
	@Default(.autoSelectSubtitlesLangCode)
	var autoSelectSubtitlesLangcode
	@Default(.autoSelectAudioLangCode)
	var autoSelectAudioLangcode
	@Default(.appAppearance)
	var appAppearance
	@Default(.overlayType)
	var overlayType
	@Default(.videoPlayerJumpForward)
	var jumpForwardLength
	@Default(.videoPlayerJumpBackward)
	var jumpBackwardLength
	@Default(.jumpGesturesEnabled)
	var jumpGesturesEnabled
	@Default(.systemControlGesturesEnabled)
	var systemControlGesturesEnabled
	@Default(.resumeOffset)
	var resumeOffset
	@Default(.subtitleSize)
	var subtitleSize

	var body: some View {
		Form {
			Section(header: EmptyView()) {
				HStack {
					L10n.user.text
					Spacer()
					Text(viewModel.user.username)
						.foregroundColor(.jellyfinPurple)
				}

				Button {
					settingsRouter.route(to: \.serverDetail)
				} label: {
					HStack {
						L10n.server.text
							.foregroundColor(.primary)
						Spacer()
						Text(viewModel.server.name)
							.foregroundColor(.jellyfinPurple)

						Image(systemName: "chevron.right")
					}
				}

				Button {
					settingsRouter.dismissCoordinator {
						SessionManager.main.logout()
					}
				} label: {
					L10n.switchUser.text
						.font(.callout)
				}
			}

			// TODO: Implement these for playback
			//            Section(header: Text("Networking")) {
			//                Picker("Default local quality", selection: $inNetworkStreamBitrate) {
			//                    ForEach(self.viewModel.bitrates, id: \.self) { bitrate in
			//                        Text(bitrate.name).tag(bitrate.value)
			//                    }
			//                }
//
			//                Picker("Default remote quality", selection: $outOfNetworkStreamBitrate) {
			//                    ForEach(self.viewModel.bitrates, id: \.self) { bitrate in
			//                        Text(bitrate.name).tag(bitrate.value)
			//                    }
			//                }
			//            }

			Section(header: L10n.videoPlayer.text) {
				Picker(L10n.jumpForwardLength, selection: $jumpForwardLength) {
					ForEach(VideoPlayerJumpLength.allCases, id: \.self) { length in
						Text(length.label).tag(length.rawValue)
					}
				}

				Picker(L10n.jumpBackwardLength, selection: $jumpBackwardLength) {
					ForEach(VideoPlayerJumpLength.allCases, id: \.self) { length in
						Text(length.label).tag(length.rawValue)
					}
				}

				Toggle(L10n.jumpGesturesEnabled, isOn: $jumpGesturesEnabled)

				Toggle(L10n.systemControlGesturesEnabled, isOn: $systemControlGesturesEnabled)

				Toggle(L10n.resume5SecondOffset, isOn: $resumeOffset)

				Button {
					settingsRouter.route(to: \.overlaySettings)
				} label: {
					HStack {
						L10n.overlay.text
							.foregroundColor(.primary)
						Spacer()
						Text(overlayType.label)
						Image(systemName: "chevron.right")
					}
				}

				Button {
					settingsRouter.route(to: \.experimentalSettings)
				} label: {
					HStack {
						L10n.experimental.text
							.foregroundColor(.primary)
						Spacer()
						Image(systemName: "chevron.right")
					}
				}
			}

			Section(header: L10n.accessibility.text) {

				Button {
					settingsRouter.route(to: \.customizeViewsSettings)
				} label: {
					HStack {
						L10n.customize.text
							.foregroundColor(.primary)
						Spacer()
						Image(systemName: "chevron.right")
					}
				}

				Button {
					settingsRouter.route(to: \.missingSettings)
				} label: {
					HStack {
						L10n.missingItems.text
							.foregroundColor(.primary)
						Spacer()
						Image(systemName: "chevron.right")
					}
				}

				Picker(L10n.appearance, selection: $appAppearance) {
					ForEach(AppAppearance.allCases, id: \.self) { appearance in
						Text(appearance.localizedName).tag(appearance.rawValue)
					}
				}
				Picker(L10n.subtitleSize, selection: $subtitleSize) {
					ForEach(SubtitleSize.allCases, id: \.self) { size in
						Text(size.label).tag(size.rawValue)
					}
				}
			}

			Button {
				settingsRouter.route(to: \.about)
			} label: {
				HStack {
					L10n.about.text
						.foregroundColor(.primary)
					Spacer()
					Image(systemName: "chevron.right")
				}
			}
		}
		.navigationBarTitle(L10n.settings, displayMode: .inline)
		.toolbar {
			ToolbarItemGroup(placement: .navigationBarLeading) {
				Button {
					settingsRouter.dismissCoordinator()
				} label: {
					Image(systemName: "xmark.circle.fill")
				}
			}
		}
	}
}