//
//  ActiveWorkoutSessionControls.swift
//  WorkoutsPlus
//
//  Created by Felix Förtsch on 16.09.24.
//

import SwiftUI

struct ActiveWorkoutSessionControls: View {
		@Environment(WorkoutStateManager.self) private var workoutStateManager
		private var activeWorkoutSession: WorkoutSession? { workoutStateManager.activeWorkoutSession }
		
		var body: some View {
				if let session = activeWorkoutSession, workoutStateManager.isWorkoutInProgress {
						VStack {
								Text(session.name)
								SimpleStopWatch(
										startDate: session.startDate,
										duration: Binding(
												get: { session.workoutDuration },
												set: { session.workoutDuration = $0 }))
								.font(.system(.largeTitle, design: .monospaced))
								.fontWeight(.bold)
								HStack {
										Text(session.getCurrentExerciseName())
												.font(.system(size: 24, weight: .bold, design: .rounded))
								}
								ProgressView("",
																					value: session.getCurrentExerciseIndex(),
																					total: session.getTotalExerciseCount() - 1
								)
								HStack {
										Button(action: {
												workoutStateManager.prevExercise()
										}) {
												HStack {
														Image(systemName: "backward.end.fill")
														Text("Prev")
												}
										}
										.buttonStyle(.borderedProminent)
										.fontWeight(.bold)
										.tint(.accentColor)
										
										Button(action: {
												// TODO: Implement proper Pausing
												session.workoutSessionStatus = .paused
										}) {
												HStack {
														Image(systemName: "pause.fill")
														Text("Pause")
												}
										}
										.buttonStyle(.borderedProminent)
										.fontWeight(.bold)
										.tint(.gray)
										.disabled(true)
										
										Button(action: {
												workoutStateManager.nextExercise()
										}) {
												HStack {
														Text("Next")
														Image(systemName: "forward.end.fill")
												}
										}
										.buttonStyle(.borderedProminent)
										.fontWeight(.bold)
										.tint(.accentColor)
								}
						}
				}
		}
}

#Preview("isWorkingOut = true") {
		@Previewable @State var stateManager = WorkoutStateManager(modelContext: SampleData.shared.modelContainer.mainContext)
		
		ActiveWorkoutSessionControls()
				.modelContainer(SampleData.shared.modelContainer)
				.environment(stateManager)
}