import AppKit
import SwiftUI

final class FloatingWidgetWindow: NSPanel {
    init() {
        super.init(
            contentRect: NSRect(x: 0, y: 0, width: 80, height: 60),
            styleMask: [.borderless, .nonactivatingPanel],
            backing: .buffered,
            defer: false
        )

        isFloatingPanel = true
        level = .floating
        collectionBehavior = [.canJoinAllSpaces, .fullScreenAuxiliary]
        isOpaque = false
        backgroundColor = .clear
        hasShadow = true
        isMovableByWindowBackground = true
        hidesOnDeactivate = false
        animationBehavior = .none

        if let screen = NSScreen.main {
            let screenFrame = screen.visibleFrame
            setFrameOrigin(NSPoint(x: screenFrame.maxX - 100, y: screenFrame.minY + 200))
        }

        contentView = NSHostingView(rootView: FloatingWidgetView())
    }

    override var canBecomeKey: Bool { false }
    override var canBecomeMain: Bool { false }
}

struct FloatingWidgetView: View {
    @State private var bugStore = BugStore.shared

    var body: some View {
        Button {
            AppDelegate.shared?.togglePopover()
        } label: {
            HStack(spacing: 6) {
                Image(systemName: "ant.fill")
                    .font(.title3)
                Text("\(bugStore.unseenActiveCount)")
                    .font(.title2)
                    .fontWeight(.bold)
                    .contentTransition(.numericText())
            }
            .padding(.horizontal, 12)
            .padding(.vertical, 8)
            .background(
                RoundedRectangle(cornerRadius: 12)
                    .fill(.ultraThinMaterial)
                    .shadow(color: .black.opacity(0.15), radius: 8, x: 0, y: 4)
            )
        }
        .buttonStyle(.plain)
    }
}