package com.example.firstapp.ui.login
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.MutableLiveData
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import androidx.lifecycle.viewModelScope
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import kotlinx.coroutines.launch
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import androidx.lifecycle.ViewModel
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import com.example.firstapp.database.request.SmsLoginRequest
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import com.example.firstapp.database.request.SmsSendRequest
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import com.example.firstapp.database.service.RetrofitClient
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import com.example.firstapp.utils.Log
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import com.example.firstapp.ui.home.HomeViewModel
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import com.example.firstapp.utils.PreferencesManager
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class LoginViewModel : ViewModel() {
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private val _loginState = MutableLiveData<Boolean>()
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val loginState: LiveData<Boolean> = _loginState
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private val _loginMessage = MutableLiveData<String>()
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val loginMessage: LiveData<String> = _loginMessage
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private val _isLoading = MutableLiveData<Boolean>()
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val isLoading: LiveData<Boolean> = _isLoading
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private lateinit var homeViewModel: HomeViewModel
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fun sendVerificationCode(phone: String) {
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viewModelScope.launch {
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_isLoading.value = true
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try {
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// 创建 SmsSendRequest 对象
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val request = SmsSendRequest(
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tel = phone,
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userType = "customer"
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)
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//Retrofit 进行网络请求时，类名不需要完全一致，只要保证类的属性名称和类型与后端 DTO 对象的属性一致即可。
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//Retrofit + Gson 在序列化时会将对象转换为 JSON，后端 Spring 框架会将 JSON 反序列化为 SmsSendDTO 对象
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//HTTP 请求实际传输的是 JSON 格式的数据，而不是 Java/Kotlin 对象。
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val response = RetrofitClient.apiService.sendVerificationCode(request)
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if (response.code == 0) {
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_loginMessage.value = "验证码已发送"
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} else {
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_loginMessage.value = response.msg.ifEmpty { "发送验证码失败" }
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}
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} catch (e: Exception) {
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Log.e("LoginError", "Login failed: ${e.message}", e)
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_loginMessage.value = "网络错误，请稍后重试"
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} finally {
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_isLoading.value = false
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}
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}
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}
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fun login(phone: String, code: String) {
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viewModelScope.launch {
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_isLoading.value = true
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try {
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val request = SmsLoginRequest(
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username = phone,
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smsCode = code,
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userType = "customer"
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)
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//HttpServletRequest request这是后端 Spring 框架中的一个特殊参数，
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//用于获取 HTTP 请求的相关信息（如请求头、Cookie 等），它会由 Spring 框架自动注入，不需要客户端显式传递。
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val response = RetrofitClient.apiService.verifyCode(request)
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if (response.code == "0" && response.data != null) {
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saveToken(response.data.value,phone) // 这里获取的是 access_token
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_loginState.value = true
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} else {
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_loginMessage.value = response.msg.ifEmpty { "登录失败" }
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}
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} catch (e: Exception) {
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Log.e("LoginError", "Login failed: ${e.message}", e)
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_loginMessage.value = "网络错误，请稍后重试"
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} finally {
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_isLoading.value = false
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}
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}
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}
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fun logout() {
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viewModelScope.launch {
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// 不再清除用户数据，只执行登出操作
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homeViewModel.logout()
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// 其他登出操作...
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}
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}
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private fun saveToken(token: String,phone:String) {
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// TODO: 实现token存储逻辑
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// 可能还需要存储 refresh_token
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PreferencesManager.saveToken(token)
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// 保存登录的手机号
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PreferencesManager.savePhone(phone)
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}
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}
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