// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause

package com.tailscale.ipn.ui.viewModel

import androidx.compose.ui.graphics.Color
import androidx.lifecycle.ViewModel
import com.tailscale.ipn.R
import com.tailscale.ipn.ui.model.StableNodeID
import com.tailscale.ipn.ui.service.IpnModel
import com.tailscale.ipn.ui.theme.ts_color_light_green
import com.tailscale.ipn.ui.util.ComposableStringFormatter
import com.tailscale.ipn.ui.util.DisplayAddress
import com.tailscale.ipn.ui.util.TimeUtil

data class PeerSettingInfo(val titleRes: Int, val value: ComposableStringFormatter)


class PeerDetailsViewModel(val model: IpnModel, val nodeId: StableNodeID) : ViewModel() {

    var addresses: List<DisplayAddress> = emptyList()
    var info: List<PeerSettingInfo> = emptyList()

    val nodeName: String
    val connectedStrRes: Int
    val connectedColor: Color

    init {
        val peer = model.netmap.value?.getPeer(nodeId)
        peer?.Addresses?.let {
            addresses = it.map { addr ->
                DisplayAddress(addr)
            }
        }

        peer?.Name?.let {
            addresses = listOf(DisplayAddress(it)) + addresses
        }
        

        peer?.let { p ->
            info = listOf(
                    PeerSettingInfo(R.string.os, ComposableStringFormatter(p.Hostinfo.OS ?: "")),
                    PeerSettingInfo(R.string.key_expiry, TimeUtil().keyExpiryFromGoTime(p.KeyExpiry))
            )
        }


        nodeName = peer?.ComputedName ?: ""
        connectedStrRes = if (peer?.Online == true) R.string.connected else R.string.not_connected
        connectedColor = if (peer?.Online == true) ts_color_light_green else Color.Gray
    }
}