spring-festival-greetings/pages/wallpaper/detail.vue

<template>
  <view class="detail-page" :style="{ paddingTop: navHeight + 'px' }">
    <!-- Navbar -->
    <view
      class="nav-bar"
      :style="{ height: navHeight + 'px', paddingTop: statusBarHeight + 'px' }"
    >
      <view class="nav-content">
        <view class="back" @tap="goBack">
          <text class="back-icon">‹</text>
        </view>
        <text class="title">壁纸详情</text>
      </view>
    </view>

    <view class="content-container">
      <!-- Sharer Info -->
      <view class="sharer-info" v-if="detailData.from">
        <image
          :src="detailData.from.avatar || '/static/default-avatar.png'"
          class="avatar"
          mode="aspectFill"
        />
        <view class="info-text">
          <view class="nickname">{{
            detailData.from.nickname || "神秘好友"
          }}</view>
          <view class="action-text">给你分享了一张2026新春精美壁纸</view>
          <view class="sub-text">★ 2026 且马贺岁</view>
        </view>
      </view>

      <!-- Wallpaper Preview -->
      <view class="preview-card">
        <view class="preview-badge">PREVIEW</view>
        <image
          :src="getThumbUrl(detailData.imageUrl)"
          mode="widthFix"
          class="main-image"
          @tap="previewImage"
        />
      </view>

      <!-- Action Buttons -->
      <view class="action-buttons">
        <view class="points-display" v-if="isLoggedIn">
          <text class="label">当前积分：</text>
          <text class="value">{{ userPoints }}</text>
        </view>
        <button class="btn primary-btn" @tap="downloadWallpaper">
          <view class="btn-content">
            <view class="btn-main">
              <text class="btn-icon">✨</text>
              <text>下载高清壁纸</text>
            </view>
            <text class="btn-sub">消耗 20 积分</text>
          </view>
        </button>
      </view>

      <!-- More Wallpapers -->
      <view class="more-section">
        <view class="section-header">
          <text class="section-title">更多同款壁纸</text>
          <view class="more-link" @tap="goToIndex">
            <text>查看更多</text>
            <text class="arrow">›</text>
          </view>
        </view>
        <scroll-view scroll-x class="more-scroll" :show-scrollbar="false">
          <view class="scroll-inner">
            <view
              v-for="(item, index) in recommendList"
              :key="index"
              class="scroll-item"
              @tap="onRecommendClick(item)"
            >
              <image
                :src="getThumbUrl(item.imageUrl)"
                mode="aspectFill"
                class="scroll-img"
              />
              <text class="item-title">{{ item.title || "新春壁纸" }}</text>
            </view>
          </view>
        </scroll-view>
      </view>

      <!-- Footer -->
      <view class="footer">
        <view class="footer-divider">
          <view class="line"></view>
          <text class="footer-text">2026 HAPPY NEW YEAR</text>
          <view class="line"></view>
        </view>
        <view class="footer-sub">新春祝福 · 传递温情</view>
      </view>
    </view>
    <LoginPopup ref="loginPopupRef" @logind="handleLogind" />
    <RewardAd ref="rewardAdRef" @onReward="handleAdReward" />
  </view>
</template>

<script setup>
import { ref, computed } from "vue";
import { onLoad, onShareAppMessage, onShareTimeline } from "@dcloudio/uni-app";
import { getBavBarHeight } from "@/utils/system";
import { getPageDetail, getShareReward } from "@/api/system";
import { getWallpaperSameList } from "@/api/wallpaper";
import {
  getShareToken,
  saveViewRequest,
  saveRemoteImageToLocal,
  saveRecordRequest,
  trackRecord,
} from "@/utils/common.js";
import { useUserStore } from "@/stores/user";
import { watchAdReward } from "@/api/system.js";
import { checkAbilityAndHandle } from "@/utils/ability.js";
import LoginPopup from "@/components/LoginPopup/LoginPopup.vue";
import RewardAd from "@/components/RewardAd/RewardAd.vue";

const userStore = useUserStore();
const loginPopupRef = ref(null);
const rewardAdRef = ref(null);
const isLoggedIn = computed(() => !!userStore.userInfo.nickName);
const userPoints = computed(() => userStore.userInfo.points || 0);

const navHeight = getBavBarHeight();
const statusBarHeight = uni.getSystemInfoSync().statusBarHeight;
const detailData = ref({
  imageUrl: "",
  from: null,
});
const recommendList = ref([]);
const shareToken = ref("");
const categoryId = ref("");

onLoad(async (options) => {
  if (options.shareToken) {
    shareToken.value = options.shareToken;
    await fetchDetail();
  }
  if (options.id) {
    detailData.value.id = options.id;
  }
  if (options.imageUrl) {
    detailData.value.imageUrl = decodeURIComponent(options.imageUrl);
  }

  if (options.categoryId) {
    categoryId.value = options.categoryId;
  }
  fetchRecommend(options.id);
});

onShareAppMessage(async () => {
  const token = await getShareToken("wallpaper_download", detailData.value?.id);
  getShareReward({ scene: "wallpaper_download" });
  return {
    title: "快来看看我刚领到的新年精美壁纸 🖼",
    path: `/pages/wallpaper/detail?shareToken=${token || ""}`,
    imageUrl:
      detailData.value?.imageUrl ||
      "https://file.lihailezzc.com/resource/8dd026d76ef7a63d123b7fd698fb989b.png",
  };
});

onShareTimeline(async () => {
  const token = await getShareToken("wallpaper_download", detailData.value?.id);
  return {
    title: "快来看看我刚领到的新年精美壁纸 🖼",
    query: `shareToken=${token}`,
    imageUrl:
      detailData.value?.imageUrl ||
      "https://file.lihailezzc.com/resource/8dd026d76ef7a63d123b7fd698fb989b.png",
  };
});

const getThumbUrl = (url) => {
  return `${url}?imageView2/1/w/340/h/600/q/80`;
};

const fetchDetail = async () => {
  try {
    const res = await getPageDetail(shareToken.value);
    saveViewRequest(shareToken.value, "wallpaper_detail", res.id);
    if (res) {
      detailData.value = res;
      fetchRecommend(res.id);
    }
  } catch (e) {
    console.error("Failed to fetch detail", e);
    uni.showToast({
      title: "获取详情失败",
      icon: "none",
    });
  }
};

const fetchRecommend = async (id) => {
  if (!id && !detailData.value.id) return;
  try {
    const res = await getWallpaperSameList(id || detailData.value.id);
    recommendList.value = res;
    // categoryId.value = res[0]?.categoryId || "";
  } catch (e) {
    console.error("Failed to fetch recommendations", e);
  }
};

const goBack = () => {
  const pages = getCurrentPages();
  if (pages.length > 1) {
    uni.navigateBack();
  } else {
    uni.reLaunch({
      url: "/pages/index/index",
    });
  }
};

const goToIndex = () => {
  uni.navigateTo({
    url: `/pages/wallpaper/index?categoryId=${categoryId.value}`,
  });
};

const goToFortune = () => {
  uni.navigateTo({
    url: "/pages/fortune/index",
  });
};

const previewImage = () => {
  if (detailData.value.imageUrl) {
    uni.previewImage({
      urls: [detailData.value.imageUrl],
    });
  }
};

const onRecommendClick = (item) => {
  // Update detailData with new item info
  detailData.value = {
    ...detailData.value,
    id: item.id,
    imageUrl: item.imageUrl,
    title: item.title,
  };
  // Refresh recommendations for the new item
  fetchRecommend(item.id);
  // Scroll to top or just update view
  uni.pageScrollTo({
    scrollTop: 0,
    duration: 300,
  });
};

const handleLogind = async () => {
  // Logic after successful login if needed
};

const handleAdReward = async (token) => {
  try {
    const res = await watchAdReward(token);
    if (res) {
      uni.showToast({
        title: "获得50积分",
        icon: "success",
      });
      await userStore.fetchUserAssets();
    }
  } catch (e) {
    console.error("Reward claim failed", e);
    uni.showToast({ title: "奖励发放失败", icon: "none" });
  }
};

const downloadWallpaper = async () => {
  trackRecord({
    eventName: "wallpaper_download_click",
    eventType: `click`,
    elementId: detailData.value?.id || "",
  });
  if (!isLoggedIn.value) {
    loginPopupRef.value.open();
    return;
  }

  const canProceed = await checkAbilityAndHandle(
    "wallpaper_download",
    rewardAdRef,
  );
  if (!canProceed) return;

  uni.showLoading({ title: "下载中..." });
  try {
    // Parallelize save record and download
    // Wait for saveRecordRequest to ensure backend deducts points
    await Promise.all([
      saveRecordRequest(
        "",
        detailData.value?.id,
        "wallpaper_download",
        detailData.value?.imageUrl,
      ),
      saveRemoteImageToLocal(detailData.value?.imageUrl),
    ]);

    // Refresh user assets to show updated points
    await userStore.fetchUserAssets();

    uni.hideLoading();
    uni.showToast({ title: "保存成功 消耗 20 积分", icon: "success" });
  } catch (e) {
    uni.hideLoading();
    console.error("Download failed", e);
    uni.showToast({ title: "下载失败", icon: "none" });
  }
};
</script>

<style lang="scss" scoped>
.detail-page {
  min-height: 100vh;
  background: #ffffff;
  box-sizing: border-box;
}

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: #ffffff;

  .nav-content {
    height: 44px; // Standard nav height
    display: flex;
    align-items: center;
    padding: 0 24rpx;

    .back {
      display: flex;
      align-items: center;
      margin-right: 24rpx;
      /* 增大点击区域 */
      padding: 20rpx;
      margin-left: -20rpx;

      .back-icon {
        font-size: 50rpx;
        color: #333;
        font-weight: 300;
        line-height: 1;
      }
    }

    .title {
      font-size: 34rpx;
      font-weight: 600;
      color: #333;
      flex: 1;
      text-align: center;
      margin-right: 50rpx; /* Balance back button */
    }
  }
}

.content-container {
  padding: 20px;
  padding-bottom: 40px;
}

.sharer-info {
  display: flex;
  align-items: center;
  margin-bottom: 24px;

  .avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin-right: 12px;
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  }

  .info-text {
    .nickname {
      font-size: 16px;
      font-weight: 600;
      color: #333;
      margin-bottom: 4px;
    }

    .action-text {
      font-size: 14px;
      color: #666;
      margin-bottom: 2px;
    }

    .sub-text {
      font-size: 12px;
      color: #ff3b30;
      font-weight: 500;
    }
  }
}

.preview-card {
  position: relative;
  width: 100%;
  background: #fff;
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.04);
  border: 1px solid #f5f5f5;
  margin-bottom: 24px;

  .preview-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10;
  }

  .main-image {
    width: 460rpx;
    margin: 0 auto;
    border-radius: 12px;
    display: block;
    background-color: #fafafa; // Placeholder color
    box-shadow: 0 12rpx 32rpx rgba(0, 0, 0, 0.1);
  }
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;

  .btn {
    width: 100%;
    height: 52px;
    border-radius: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    border: none;
    margin: 0;
    transition: all 0.2s;

    .btn-icon {
      margin-right: 8px;
      font-size: 18px;
    }

    &.primary-btn {
      background: linear-gradient(90deg, #ff3b30 0%, #ff6b6b 100%);
      color: #fff;
      box-shadow: 0 8px 20px rgba(255, 59, 48, 0.15);
      height: 64px; /* Increased height for two lines */
    }

    &.secondary-btn {
      background: #f9f9f9;
      color: #333;
      border: 1px solid #eee;
    }

    &:active {
      transform: scale(0.98);
      opacity: 0.9;
    }
  }

  .points-display {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 8px;
    font-size: 14px;
    color: #666;

    .value {
      color: #ff5722;
      font-weight: bold;
      font-size: 16px;
      margin-left: 4px;
    }
  }

  .btn-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;

    .btn-main {
      display: flex;
      align-items: center;
      font-size: 18px;
      font-weight: bold;
      margin-bottom: 2px;
    }

    .btn-sub {
      font-size: 12px;
      opacity: 0.9;
      font-weight: normal;
    }
  }
}

.more-section {
  margin-bottom: 32px;

  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;

    .section-title {
      font-size: 18px;
      font-weight: 600;
      color: #333;
    }

    .more-link {
      display: flex;
      align-items: center;
      font-size: 14px;
      color: #ff3b30;

      .arrow {
        margin-left: 2px;
        font-size: 16px;
      }
    }
  }

  .more-scroll {
    width: 100%;
    white-space: nowrap;
  }

  .scroll-inner {
    display: flex;
    padding-right: 20px;
  }

  .scroll-item {
    display: inline-flex;
    flex-direction: column;
    width: 200rpx;
    margin-right: 20rpx;
    flex-shrink: 0;

    .scroll-img {
      width: 100%;
      height: 355rpx;
      border-radius: 12rpx;
      margin-bottom: 12rpx;
      background-color: #f5f5f5;
    }

    .item-title {
      font-size: 24rpx;
      color: #333;
      text-align: center;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }
}

.fortune-banner-wrap {
  margin-bottom: 40px;
}

.wallpaper-banner {
  background: #fafafa;
  border-radius: 24rpx;
  padding: 30rpx;
  display: flex;
  align-items: center;
  margin-bottom: 60rpx;
  border: 1px solid #f5f5f5;
}

.banner-icon {
  width: 80rpx;
  height: 80rpx;
  background: #fff;
  border-radius: 20rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 24rpx;
}

.banner-icon text {
  font-size: 40rpx;
  color: #ff3b30;
}

.banner-content {
  flex: 1;
}

.banner-title {
  font-size: 30rpx;
  font-weight: bold;
  color: #333;
  display: block;
  margin-bottom: 8rpx;
}

.banner-desc {
  font-size: 22rpx;
  color: #999;
}

.banner-arrow {
  font-size: 36rpx;
  color: #ccc;
}

.footer {
  text-align: center;
  padding-bottom: 20px;

  .footer-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;

    .line {
      width: 40px;
      height: 1px;
      background: #e0e0e0;
    }

    .footer-text {
      margin: 0 12px;
      font-size: 12px;
      color: #999;
      letter-spacing: 1px;
      font-weight: 600;
    }
  }

  .footer-sub {
    font-size: 10px;
    color: #ccc;
  }
}
</style>