<template>
  <BaseDialog v-model="visible" width="400px">
    <div class="login-wrapper">
      <div class="login-title">
        <h2 style="position: relative;z-index: 1;">登录</h2>
      </div>

      <div class="form-container">
        <template v-if="loginType === 'phone'">
          <div class="input-box" style="margin-top: 98px;">
            <div class="phone-prefix">
              <span>+86</span>
              <div class="divider"></div>
            </div>
            <input type="text" v-model="form.phone" placeholder="请输入手机号" class="native-input" />
          </div>

          <div class="code-box-row">
            <div class="input-box code-input-box">
              <input type="text" v-model="form.code" placeholder="请输入验证码" class="native-input" />
            </div>
            <button class="send-code-btn" type="button" :disabled="sendingCode || countdown > 0" @click="sendCode">
              <span class="text">{{ countdown > 0 ? `${countdown}s` : (sendingCode ? '发送中...' : '发送验证码') }}</span>
            </button>
          </div>

          <div class="error-text" v-show="showError">请输入正确验证码</div>
        </template>

        <template v-else>
          <div class="qrcode-wrapper">
            <div class="qrcode-img">
              <img v-if="qrcode" :src="qrcode" style="width: 100%; height: 100%; object-fit: cover;" alt="微信扫码登录" />
            </div>
            <!-- <img class="qrcode-img" src="/src/public/login/qrcode.png" alt="微信登录二维码" /> -->
            <div class="qr-text">
              请使用微信扫描二维码登录<br>
              “装样大师” 网页版
            </div>
          </div>
        </template>

        <div class="agreement-row" @click="form.agreed = !form.agreed"
          :style="{ 'margin-top': loginType === 'phone' ? '54px' : '0px' }">
          <div class="check-icon" :class="{ 'is-checked': form.agreed }">
            <img v-if="form.agreed" class="empty-circle" src="/src/public/login/agreement.png">
            <img v-else class="empty-circle" src="/src/public/login/unAgreement.png">
          </div>
          <span class="agreement-text">我已阅读并同意<a @click.stop>《用户协议》</a>和<a @click.stop>《隐私政策》</a></span>
        </div>

        <button class="submit-btn" :class="{ 'is-loading': loading }" @click="handleLogin">登录</button>

        <div class="other-methods">
          <div class="line"></div>
          <div class="text">其他登录方式</div>
          <div class="line2"></div>
        </div>

        <div class="wechat-icon" @click="toggleLoginType">
          <img class="login-style" src="/src/public/login/wechat-login.png" v-if="loginType === 'phone'" />
          <img class="login-style" src="/src/public/login/phone-login.png" v-else />
        </div>
      </div>
    </div>
  </BaseDialog>
</template>

<script setup>
import { ref, reactive, onUnmounted } from 'vue'
import { ElMessage } from 'element-plus'
import { Close } from '@element-plus/icons-vue'
import api from '@/api'
import authService from '@/api/authService'
import { useUserStore } from '@/stores/user'
import BaseDialog from './BaseDialog.vue'

const emit = defineEmits(['success'])
const userStore = useUserStore()

const visible = ref(false)
const loading = ref(false)
const sendingCode = ref(false)
const countdown = ref(0)
let timer = null
let qrTimer = null
const qrcode = ref('')
const qrKey = ref('')
const showError = ref(false)
const loginType = ref('phone')

const form = reactive({ phone: '', code: '', agreed: false })

function open() {
  visible.value = true
  loginType.value = 'phone'
  form.phone = localStorage.getItem('remember_phone') || ''
  form.code = ''
  form.agreed = false
  showError.value = false
  fetchQrCode()
}

async function fetchQrCode() {
  try {
    // 确保请求二维码前本地有 Token (若缺失则自动拉取游客 Token)
    if (!localStorage.getItem('token')) {
      const configRes = await authService.getUserConfig()
      if (configRes && configRes.data && configRes.data.token) {
        localStorage.setItem('token', configRes.data.token)
      }
    }
    const res = await authService.getLoginCode()
    if (res && res.data) {
      qrKey.value = res.data.key
      qrcode.value = res.data.qrcode

      if (qrTimer) clearInterval(qrTimer)
      qrTimer = setInterval(checkQrLogin, 2000)
    }
  } catch (err) {
    console.error('获取微信登录二维码失败:', err)
  }
}

async function checkQrLogin() {
  if (loginType.value !== 'wechat' || !visible.value) return
  try {
    const res = await authService.askLoginCode({ key: qrKey.value })
    if (res && res.code === 0 && res.data && res.data.token) {
      localStorage.setItem('token', res.data.token)
      if (qrTimer) {
        clearInterval(qrTimer)
        qrTimer = null
      }
      visible.value = false
      emit('success')
      ElMessage.success('微信登录成功')
      window.location.reload()
    }
  } catch (err) {
    // 忽略轮询中的错误
  }
}

function toggleLoginType() {
  loginType.value = loginType.value === 'phone' ? 'wechat' : 'phone'
}

function startCountdown() {
  countdown.value = 60
  if (timer) clearInterval(timer)
  timer = setInterval(() => {
    if (countdown.value > 1) {
      countdown.value--
    } else {
      countdown.value = 0
      clearInterval(timer)
      timer = null
    }
  }, 1000)
}

const smsTimestamp = ref('')

async function sendCode() {
  if (sendingCode.value || countdown.value > 0) return

  const phoneReg = /^1[3-9]\d{9}$/
  if (!form.phone) {
    ElMessage.warning('请输入手机号')
    return
  }
  if (!phoneReg.test(form.phone)) {
    ElMessage.warning('请输入正确的11位手机号')
    return
  }

  // 点击发送验证码时清空验证码，并记住手机号
  form.code = ''
  showError.value = false
  if (form.phone) {
    localStorage.setItem('remember_phone', form.phone)
  }

  sendingCode.value = true
  try {
    const res = await authService.sendCode({ phone: form.phone })
    if (res && res.data && res.data.timestamp) {
      smsTimestamp.value = res.data.timestamp
    }
    ElMessage.success(res?.message || '验证码发送成功')
    startCountdown()
  } catch (err) {
    console.error('发送验证码失败:', err)
  } finally {
    sendingCode.value = false
  }
}

onUnmounted(() => {
  if (timer) {
    clearInterval(timer)
    timer = null
  }
  if (qrTimer) {
    clearInterval(qrTimer)
    qrTimer = null
  }
})

async function handleLogin() {
  showError.value = false
  if (!form.phone || !form.code) {
    showError.value = true
    return
  }
  if (!form.agreed) {
    ElMessage.warning('请先阅读并同意用户协议和隐私政策')
    return
  }

  loading.value = true
  try {
    const loginPayload = {
      type: 'phone',
      data: {
        phone: form.phone,
        code: form.code,
        timestamp: smsTimestamp.value
      }
    }
    const res = await authService.login(loginPayload)
    if (res && res.data && res.data.token) {
      localStorage.setItem('token', res.data.token)
      userStore.setUser(res.data, form.phone)
      console.log("登录成功", res);
      ElMessage.success('登录成功')
      visible.value = false
      emit('success')
      // window.location.reload()
    } else {
      showError.value = true
    }
  } catch (err) {
    showError.value = true
    console.error('手机验证码登录失败:', err)
  } finally {
    loading.value = false
  }
}

async function handleWechatLogin() {
  // try {
  //   const res = await api.auth.wechatLoginUrl()
  //   if (res.oauth_url) {
  //     window.location.href = res.oauth_url
  //   // }
  // } catch (err) {
  //   ElMessage.warning('微信登录暂不可用，请联系管理员')
  // }
}

defineExpose({ open })
</script>

<style lang="scss">
.image-style-login-dialog {
  border-radius: 20px !important;
  background: #ffffff !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1) !important;
  position: relative;
  overflow: visible !important;

  .el-dialog__header {
    display: none !important;
  }

  .el-dialog__body {
    padding: 0 !important;
    overflow: visible !important;
  }
}
</style>

<style lang="scss" scoped>
.custom-close-btn {
  position: absolute;
  top: -45px;
  right: -5px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  z-index: 999;

  &:hover {
    background: rgba(255, 255, 255, 0.5);
  }
}

.login-wrapper {
  padding: 6px 30px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 500px;
}

.login-title {
  // margin-bottom: 98px;
  position: relative;
  text-align: center;

  ::before {
    content: '';
    display: inline-block;
    width: 120px;
    height: 33px;
    background-image: url('@/public/index/decoration1.png');
    background-size: 100%;
    background-repeat: no-repeat;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -24px;
    opacity: 0.5;
    z-index: 0;
  }

  h2 {
    margin: 0;
    letter-spacing: 2px;
    font-weight: 700;
    font-size: 30px;
    color: #1A1A1A;
    line-height: 30px;
    letter-spacing: 2px;
  }

  .title-deco {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    pointer-events: none;
  }
}

.form-container {
  width: 100%;
}

.input-box {
  background: #D8D8D850;
  border-radius: 12px;
  height: 50px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  margin-bottom: 18px;

  .phone-prefix {
    display: flex;
    align-items: center;
    color: #3D3D3D;
    font-size: 14px;

    .divider {
      width: 1px;
      height: 29px;
      background: #CECBDC;
      margin: 0 12px;
    }
  }

  .native-input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 16px;
    color: #1A1A1A;
    width: 100%;

    &::placeholder {
      color: #767676;
    }
  }
}

.code-box-row {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 52px;

  .code-input-box {
    flex: 1;
    margin-bottom: 0;
  }

  .send-code-btn {
    width: 110px;
    height: 50px;
    border-radius: 12px;
    border: 1px solid #D8D8D8;
    background: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    outline: none;

    .text {
      font-weight: 400;
      font-size: 16px;
      text-align: left;
      font-style: normal;
      text-transform: none;
      background: linear-gradient(124.63845108274714deg, #A679F4 7%, #778CF5 100%);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      color: transparent;
    }

    &:hover {
      background: #fcfaff;
      border-color: #9254ff;
    }

    &:disabled {
      cursor: not-allowed;
      opacity: 0.6;
      border-color: #e4e4e4;
      background: #f5f5f5;
      pointer-events: none;

      .text {
        background: none;
        -webkit-text-fill-color: #999;
        color: #999;
      }
    }
  }
}

.error-text {
  font-size: 12px;
  color: #FF4D4F;
  line-height: 10px;
  margin-top: 8px;
  margin-bottom: -10px;
  padding-left: 15px;
}

.agreement-row {
  display: flex;
  align-items: center;
  cursor: pointer;

  .check-icon {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    margin-right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;

    .empty-circle {
      width: 16px;
      height: 16px;
    }

  }

  .agreement-text {
    font-size: 12px;
    color: #AAAAAA;

    a {
      color: #767676;
      text-decoration: none;

      &:hover {
        text-decoration: underline;
      }
    }
  }
}

.submit-btn {
  width: 100%;
  height: 56px;
  border-radius: 27px;
  background: linear-gradient(90deg, #778CF5 0%, #A679F4 100%);
  font-weight: 400;
  font-size: 16px;
  color: #FFFFFF;
  line-height: 20px;
  border: none;
  margin-top: 8px;
  cursor: pointer;
  outline: none;

  &:hover {
    opacity: 0.95;
  }
}

.other-methods {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  gap: 12px;

  .line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #FFFFFF 0%, #E5E5E5 100%);
  }

  .line2 {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #E5E5E5 0%, #FFFFFF 100%);
  }

  .text {
    font-size: 14px;
    color: #767676;
    line-height: 10px;
  }
}

.qrcode-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 40px;
  margin-bottom: 20px;

  .qrcode-img {
    width: 150px;
    height: 150px;
    margin-bottom: 18px;
    object-fit: cover;
  }

  .qr-text {
    font-size: 14px;
    color: #1A1A1A;
    line-height: 22px;
    text-align: center;
  }
}

.wechat-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c88ff 0%, #b77bff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 15px auto 0;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(163, 113, 255, 0.2);

  .login-style {
    width: 50px;
    height: 50px;
  }

  &:hover {
    transform: translateY(-2px);
  }
}
</style>
