package com.sw.dualscreen.viewmodel

import androidx.lifecycle.viewModelScope
import com.arcsoft.face.ErrorInfo
import com.sw.dualscreen.GlobalData
import com.sw.dualscreen.GlobalKey
import com.sw.dualscreen.model.request.UserNutritionParam
import com.sw.dualscreen.model.response.FoodInfo
import com.sw.dualscreen.model.response.NutritionData
import com.sw.dualscreen.model.response.UserFaceModel
import com.sw.inbound.utils.SPUtil
import com.sw.plate.App
import com.sw.plate.utils.Base64
import com.sw.plate.utils.ToastUtils
import com.sw.plate.utils.arcface.FaceApi
import com.sw.plate.utils.arcface.facedb.entity.FaceEntity
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import timber.log.Timber

class UserViewModel : BaseViewModel() {

    private val faceApi: FaceApi = FaceApi()

    // 识别出的列表
    private val _identifiedFoodInfoList = MutableStateFlow<List<FoodInfo>?>(null)
    val identifiedFoodInfoList: StateFlow<List<FoodInfo>?> = _identifiedFoodInfoList

    // 搜索出的食物列表
    private val _foodInfoList = MutableStateFlow<List<FoodInfo>?>(null)
    val foodInfoList: StateFlow<List<FoodInfo>?> = _foodInfoList

    // 当前食物信息
    private val _currentFoodInfo = MutableStateFlow<FoodInfo?>(null)
    val currentFoodInfo: StateFlow<FoodInfo?> = _currentFoodInfo

    // 就餐数据
    private val _nutritionData = MutableStateFlow<NutritionData?>(null)
    val nutritionData: StateFlow<NutritionData?> = _nutritionData

    /**
     * 获取token
     */
    fun getEquipmentToken(qrcodeId: String = "3ea47dc0-3cf0-3c2f-909c-265a9a65572e") {
        launchWithLoading {
            val response = repository.getEquipmentToken(qrcodeId)
            if (parseResponse(response)) {
                // 缓存token
                SPUtil.getInstance().put(GlobalKey.KEY_TOKEN, response.result)
                // 首次运行获取人脸数据
                if (SPUtil.getInstance().get(GlobalKey.KEY_FIRST_RUN, false) != true) {
                    getUserFaceCache(index = 0)
                }
            }
        }
    }

    /**
     * 获取人脸数据
     */
    fun getUserFaceCache(index: Int = 0) {
        Timber.d("getUserFaceCache index = $index")
        launch {
            val response = repository.getUserFaceCache(index)
            if (parseResponse(response)) {
                // 获取成功一次后缓存状态
                SPUtil.getInstance().put(GlobalKey.KEY_FIRST_RUN, true)
                withContext(Dispatchers.Default) {
                    val list: List<UserFaceModel> = response.result?.data ?: emptyList()
                    val faceEntity = list.map {
                        FaceEntity(it.userId, null, Base64.decode(it.faceFeatureString))
                    }
                    faceApi.updateFaceData(index, faceEntity)
                    activeEngine()
                }
                val nextPageIndex = response.result?.nextPageIndex ?: -1
                if (nextPageIndex > 0) {
                    getUserFaceCache(nextPageIndex)
                }
            }
        }
    }

    /**
     * 激活人脸识别引擎
     */
    fun activeEngine() {
        Timber.d("activeEngine")

        faceApi.activeEngine(
            App.getContext(),
            GlobalData.appId,
            GlobalData.sdkKey,
            GlobalData.activeKey,
            object : FaceApi.ActiveCallback {
                override fun onSuccess(activeCode: Int) {
                    Timber.d("activeEngine activeCode = $activeCode")
                    viewModelScope.launch(Dispatchers.Main) {
                        when (activeCode) {
                            ErrorInfo.MOK -> {
                                ToastUtils.showToast("激活引擎成功")
                            }

                            ErrorInfo.MERR_ASF_ALREADY_ACTIVATED -> {
//                                ToastUtils.showToast("引擎已激活，无需再次激活")
                            }

                            else -> {
                                ToastUtils.showToast("激活引擎失败($activeCode)")
                            }
                        }
                    }
                }

                override fun onFail(e: Exception?) {
                    viewModelScope.launch(Dispatchers.Main) {
                        ToastUtils.showToast("激活引擎异常,${e?.message}")
                    }
                }
            })
    }

    /**
     * 重置用户信息
     */
    fun resetUserInfo() {
        Timber.d("resetUserInfo")
    }

    fun identifiedFoodList() {
        launchWithLoading {
            delay(5000)
            _identifiedFoodInfoList.value = List(6) {
                FoodInfo(
                    id = "185225109358109491${it}",
                    foodName = "豆芽炒粉条$it",
                    imgUrl = "http://101.201.149.156:9002/temp/20221119/62dc2d17-6853-4277-96ed-a4ef4c8654ea_1668840050258.png"
                )
            }
        }
    }

    /**
     * 搜索食物
     */
    fun searchByFoodName(foodName: String) {
        launchWithLoading {
            val response = repository.getRestInfoFoodsByType(foodName = foodName)
            if (parseResponse(response)) {
                _foodInfoList.value = response.result
            }
        }
    }

    /**
     * 获取用户就餐数据
     */
    fun getUserNutritionData(userId: String, foodId: String) {
        launchWithLoading {
            val response = repository.getUserNutritionData(userId = userId, foodId = foodId)
            if (parseResponse(response)) {
                _nutritionData.value = response.result
            }
        }
    }

    /**
     * 提交就餐数据
     */
    fun postUserNutritionData(param: UserNutritionParam) {
        launchWithLoading {
            val response = repository.postUserNutritionData(param)
            if (parseResponse(response)) {

            }
        }
    }
}