//
//  BLEDeviceSelectionView.swift
//  LoopFollow
//

import SwiftUI

struct BLEDeviceSelectionView: View {
    @ObservedObject var bleManager: BLEManager
    var selectedFilter: BackgroundRefreshType
    var onSelectDevice: (BLEDevice) -> Void

    var body: some View {
        VStack {
            Text("Scanning for \(selectedFilter.rawValue)")
                .font(.headline)

            List {
                ForEach(bleManager.devices.filter { selectedFilter.matches($0) && !isSelected($0) }, id: \.id) { device in
                    HStack {
                        VStack(alignment: .leading) {
                            Text(device.name ?? "Unknown")
                            Text("\(device.rssi) dBm")
                                .foregroundColor(.secondary)
                                .font(.footnote)
                        }
                        Spacer()
                    }
                    .contentShape(Rectangle())
                    .onTapGesture {
                        onSelectDevice(device)
                    }
                }
            }
        }
        .onAppear {
            bleManager.startScanning()
        }
        .onDisappear {
            bleManager.stopScanning()
        }
    }

    private func isSelected(_ device: BLEDevice) -> Bool {
        guard let selectedDevice = Storage.shared.selectedBLEDevice.value else {
            return false
        }
        return selectedDevice.id == device.id
    }
}