<script setup lang="ts">
import { ref, onMounted } from 'vue';
import { useRouter } from 'vue-router';
import { useConnectionStore } from '../stores/connection';
import { showToast } from 'vant';

const router = useRouter();
const connectionStore = useConnectionStore();

const userName = ref('');
const userDept = ref('技术部');
const isLoading = ref(false);

// Check if already logged in
onMounted(() => {
  if (connectionStore.userId && connectionStore.userName && connectionStore.userName !== '访客') {
    // Already logged in, redirect to vote page
    router.replace('/vote');
  }
});

async function handleEnter() {
  if (!userName.value.trim()) {
    showToast('请输入您的姓名');
    return;
  }

  isLoading.value = true;

  // Generate a simple user ID (in production, this would come from auth)
  const odrawId = `user_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;

  connectionStore.setUser(odrawId, userName.value.trim(), userDept.value);

  // Wait for connection
  await new Promise((resolve) => setTimeout(resolve, 500));

  isLoading.value = false;
  router.push('/vote');
}
</script>

<template>
  <div class="home-view safe-area-top safe-area-bottom">
    <!-- Header decoration -->
    <div class="header-decoration">
      <div class="lantern left"></div>
      <div class="lantern right"></div>
    </div>

    <!-- Main content -->
    <div class="content">
      <div class="logo-section">
        <div class="year-badge">
          <span class="year">2026</span>
          <span class="zodiac">马年</span>
        </div>
        <h1 class="title gold-text">年会互动系统</h1>
        <p class="subtitle">投票 · 抽奖 · 互动</p>
      </div>

      <div class="form-section">
        <div class="input-wrapper guochao-border">
          <van-field
            v-model="userName"
            placeholder="请输入您的姓名"
            :border="false"
            clearable
            maxlength="20"
            @keyup.enter="handleEnter"
          />
        </div>
 
        <div class="input-wrapper guochao-border">
          <van-field
            v-model="userDept"
            placeholder="请输入您的部门"
            :border="false"
            clearable
            maxlength="20"
            @keyup.enter="handleEnter"
          />
        </div>

        <van-button
          class="enter-btn"
          type="primary"
          block
          round
          :loading="isLoading"
          loading-text="进入中..."
          @click="handleEnter"
        >
          进入年会
        </van-button>
      </div>

      <!-- Features -->
      <div class="features">
        <div class="feature-item">
          <van-icon name="like-o" size="24" color="#c41230" />
          <span>投票评选</span>
        </div>
        <div class="feature-item">
          <van-icon name="gift-o" size="24" color="#d4a84b" />
          <span>幸运抽奖</span>
        </div>
        <div class="feature-item">
          <van-icon name="chart-trending-o" size="24" color="#c41230" />
          <span>实时结果</span>
        </div>
      </div>
    </div>

    <!-- Footer -->
    <div class="footer">
      <p>© 2026 公司年会</p>
    </div>
  </div>
</template>

<style lang="scss" scoped>
@use '../assets/styles/variables.scss' as *;

.home-view {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #fff5f5 0%, #fef8f0 50%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.header-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  pointer-events: none;

  .lantern {
    position: absolute;
    top: -20px;
    width: 40px;
    height: 60px;
    background: linear-gradient(180deg, $color-primary 0%, $color-primary-dark 100%);
    border-radius: 50% 50% 45% 45%;
    box-shadow: 0 4px 12px rgba($color-primary, 0.3);

    &::before {
      content: '';
      position: absolute;
      top: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 16px;
      height: 12px;
      background: $color-gold;
      border-radius: 2px 2px 0 0;
    }

    &::after {
      content: '';
      position: absolute;
      bottom: -15px;
      left: 50%;
      transform: translateX(-50%);
      width: 2px;
      height: 15px;
      background: $color-gold;
    }

    &.left {
      left: 20px;
      animation: swing 3s ease-in-out infinite;
    }

    &.right {
      right: 20px;
      animation: swing 3s ease-in-out infinite 0.5s;
    }
  }
}

@keyframes swing {
  0%,
  100% {
    transform: rotate(-5deg);
  }
  50% {
    transform: rotate(5deg);
  }
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: $spacing-xl $spacing-lg;
  padding-top: 100px;
}

.logo-section {
  text-align: center;
  margin-bottom: $spacing-xl;

  .year-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, $color-primary 0%, $color-primary-dark 100%);
    color: $color-text-inverse;
    padding: $spacing-sm $spacing-lg;
    border-radius: $radius-lg;
    margin-bottom: $spacing-md;
    box-shadow: $shadow-md;

    .year {
      font-size: $font-size-2xl;
      font-weight: bold;
    }

    .zodiac {
      font-size: $font-size-sm;
      opacity: 0.9;
    }
  }

  .title {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: $spacing-sm;
  }

  .subtitle {
    color: $color-text-secondary;
    font-size: $font-size-md;
  }
}

.form-section {
  margin-bottom: $spacing-xl;

  .input-wrapper {
    background: $color-bg-card;
    margin-bottom: $spacing-md;
    padding: $spacing-xs;

    :deep(.van-field) {
      background: transparent;

      .van-field__control {
        text-align: center;
        font-size: $font-size-lg;
      }
    }
  }

  .enter-btn {
    background: linear-gradient(135deg, $color-primary-light 0%, $color-primary 100%);
    border: none;
    height: 48px;
    font-size: $font-size-lg;
    font-weight: 500;
    box-shadow: $shadow-md;
  }
}

.features {
  display: flex;
  justify-content: space-around;
  padding: $spacing-md 0;

  .feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: $spacing-xs;

    span {
      font-size: $font-size-sm;
      color: $color-text-secondary;
    }
  }
}

.footer {
  text-align: center;
  padding: $spacing-md;
  color: #999;
  font-size: $font-size-xs;
}
</style>
