import SwiftUI
import SpriteKit

struct Level1View: View {
    @State private var thrustActive: Bool = false
    @State private var rotationDegrees: CGFloat = 0.0

    var body: some View {
        ZStack {
            SpriteView(scene: createGameScene())
                .edgesIgnoringSafeArea(.all)
                .gesture(
                    DragGesture()
                        .onChanged { value in
                            let startLocation = value.startLocation
                            let dx = value.location.x - startLocation.x
                            let dy = value.location.y - startLocation.y
                            let angleRadians = atan2(-dy, dx)
                            rotationDegrees = (angleRadians * 180 / .pi) + 180
                        }
                )
                .onTapGesture {
                    thrustActive = true
                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
                        thrustActive = false
                    }
                }
        }
        .navigationBarHidden(true)
    }

    private func createGameScene() -> SKScene {
        let screenBounds = WKInterfaceDevice.current().screenBounds
        let screenSize = CGSize(width: screenBounds.width, height: screenBounds.height)

        let scene = GameScene(size: screenSize)
        scene.scaleMode = .aspectFill
        scene.thrustActive = $thrustActive
        scene.rotationDegrees = $rotationDegrees

        // Configure the background with image "Level1", centered, at half scale.
        scene.configureBackground(
            imageName: "Level1",
            position: CGPoint(x: screenSize.width / 2, y: screenSize.height / 2),
            scale: 0.5
        )

        return scene
    }
}