package com.xuqm.sdk.push

import android.content.Context
import com.xuqm.sdk.XuqmSDK
import com.xuqm.sdk.core.ServiceEndpointRegistry
import com.xuqm.sdk.network.ApiClient
import com.xuqm.sdk.push.api.PushApi
import com.xuqm.sdk.utils.DeviceUtils
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import java.util.concurrent.atomic.AtomicReference

object PushSDK {

    private val api: PushApi get() = ApiClient.create(PushApi::class.java, ServiceEndpointRegistry.pushBaseUrl)
    private val scope = CoroutineScope(Dispatchers.IO)
    private val registeredUserId = AtomicReference<String?>(null)

    fun registerDevice(context: Context, userId: String) {
        XuqmSDK.requireInit()
        val vendor = DeviceUtils.getVendor()
        val deviceId = DeviceUtils.getDeviceId(context)
        scope.launch {
            runCatching {
                api.registerDevice(
                    appId = XuqmSDK.appId,
                    userId = userId,
                    vendor = vendor,
                    token = deviceId,
                )
                registeredUserId.set(userId)
            }
        }
    }

    fun unregisterDevice(userId: String) {
        XuqmSDK.requireInit()
        scope.launch {
            runCatching {
                api.unregisterDevice(XuqmSDK.appId, userId)
                registeredUserId.compareAndSet(userId, null)
            }
        }
    }

    fun onSdkLogin(session: com.xuqm.sdk.XuqmLoginSession) {
        val context = runCatching { XuqmSDK.appContext }.getOrNull() ?: return
        if (registeredUserId.get() == session.userId) return
        registerDevice(context, session.userId)
    }

    fun onSdkLogout() {
        val userId = registeredUserId.getAndSet(null) ?: return
        unregisterDevice(userId)
    }
}