<template>
  <Container
    class="body-content"
    title="首页"
    bgColor="#F8F8F8"
    :showBack="false"
  >
    <view class="home">
      <!-- 倒计时 -->
      <view class="time" v-if="(splitDays != '') & (splitDays != null)">
        <view>倒计时</view>
        <!-- 将天数拆分为单个数字显示 -->
        <view
          class="exam-countdown-tiem-item"
          v-for="(digit, index) in splitDays"
          :key="index"
          >{{ digit }}</view
        >
        <view>天</view>
      </view>
      <!-- 轮播图 -->
      <swiper class="swiper" circular autoplay>
        <swiper-item v-for="(item, index) in banner_list" :key="index">
          <view class="swiper-item"
            ><image
              class="swiper-item-image"
              :src="item.image_url"
              mode="aspectFill"
              @load="onImageLoad($event, item, index)"
              @click="goto_notice_list(item.link_url)"
            ></image
          ></view>
        </swiper-item>
      </swiper>
      <!-- 公告 -->
      <view class="notice" v-if="notice_list != '' && notice_list != null">
        <view class="title-lable">公告</view>
        <view class="notice-title">{{ notice_list[0]["title"] }}</view>
        <navigator url="/pages/notice/list">
          <view class="notice-more">{{ "更多 >" }}</view>
        </navigator>
      </view>
      <!-- 2025新大纲 -->
      <view class="new_outline">
        <uni-section title="基础用法" type="line">
          <view class="p-20">
            <uni-segmented-control
              :flex="false"
              :current="current"
              :values="list.map((item) => item.name)"
              style-type="text"
              @clickItem="(e) => (current = e.currentIndex)"
            />
            <!-- 执业药师 -->
            <template v-for="(item, index) in list" :key="item.id">
              <view v-if="current === index" class="grid">
                <view
                  v-for="i in item?.children"
                  :key="i.id"
                  class="flex"
                  @click="clickClass(i)"
                >
                  <image :src="i.chapter_image_url" class="img_small"></image>
                  <view>{{ i.name }}</view>
                </view>
              </view>
            </template>
          </view>
        </uni-section>
      </view>
      <view class="p-20">
        <uni-section title="往年真题" type="line">
          <!-- 往年真题 -->
          <view class="grid-3">
            <view
              v-for="item in rightList"
              :key="item.originName"
              class="flex"
              @click="
                toReal({
                  title: item.name + '真题',
                  origin: item.originName,
                })
              "
            >
              <view class="bg-red">
                <view class="text">{{ item.name }}真题</view>
              </view>
            </view>
          </view>
        </uni-section>
      </view>
    </view>
  </Container>
</template>

<script setup>
import { ref, onMounted, computed, onBeforeUnmount } from "vue";

import Container from "../../components/Container/Container.vue";
import { router } from "../../utils/router";
import { request } from "../../utils/request";
import { arrayToTree } from "../../utils";

const current = ref(0);
const list = ref([]);
const banner_list = ref([]);
const notice_list = ref([]);
const imgHeight = ref("auto"); // 初始高度
const rightList = ref([]);

const days = ref("000"); // 默认值设为100，确保有3位数
let timer = null;
const exam_time = ref(""); //考试时间

// 将天数拆分为单个数字数组
const splitDays = computed(() => {
  // 将数字转为字符串，然后拆分为字符数组
  const str = days.value.toString();
  // 如果不足3位数，前面补0（例如5变成["0","0","5"]）
  return str.padStart(3, "0").split("");
});

const calculateDays = () => {
  // const targetDate = new Date('2025-12-31');
  const targetDate = new Date(Number(exam_time.value * 1000));
  const currentDate = new Date();
  const diffTime = targetDate - currentDate;
  const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
  days.value = diffDays > 0 ? diffDays : 0;
};

const clickClass = ({ id }) => {
  router.push({
    url: "/pages/regulations/index",
    params: {
      id,
    },
  });
};

const toReal = (item) => {
  router.push({
    url: "/pages/real/index",
    params: item,
  });
};
const onImageLoad = (e, item, index) => {
  const { width, height } = e.detail;
  const ratio = height / width;
  const systemInfo = uni.getSystemInfoSync();
  const imgHeightValue = systemInfo.windowWidth * ratio;
  imgHeight.value = imgHeightValue + "px";
};
onBeforeUnmount(() => {
  if (timer) clearInterval(timer);
});
const goto_notice_list = (link_url) => {
  uni.navigateTo({
    url: link_url,
  });
};
onMounted(async () => {
  const res = await request(
    "api/question_bank/question_reception/chapter/get",
    {},
    "POST"
  );
  list.value = arrayToTree({
    list: res.data,
  });
  // 首页轮播
  const banner_res = await request(
    "api/question_bank/question_reception/banner/list",
    { page: 1, limit: 10 },
    "POST"
  );
  banner_list.value = banner_res.data.data;
  //系统公告
  const notice_res = await request(
    "api/question_bank/question_reception/notice/list",
    { page: 1, limit: 1 },
    "POST"
  );
  notice_list.value = notice_res.data.data;
  //获取考试倒计时
  const examination_res = await request(
    "api/question_bank/question_reception/common_config/detail",
    { content_code: "examination_countdown" },
    "POST"
  );
  exam_time.value =
    examination_res != "" ? examination_res.data.content_detail : "";

  // 获取历年真题
  const rightListRes = await request(
    "api/question_bank/question_reception/real_catalogue/get_year",
    {},
    "post"
  );
  rightList.value = rightListRes.data.map((i) => {
    const newItem = {
      name: i + "年",
      originName: i,
    };
    if (i.includes("(")) {
      // 2022(1)变成 2022年(一)
      newItem.name = i.replace(/\((\d+)\)/g, (text, number) => {
        const chineseNumber = [
          "一",
          "二",
          "三",
          "四",
          "五",
          "六",
          "七",
          "八",
          "九",
        ];
        return `年(${chineseNumber[number - 1]})`;
      });
    }
    return newItem;
  });

  calculateDays();
  timer = setInterval(() => {
    calculateDays();
  }, 24 * 60 * 60 * 1000);
  return {
    days,
    splitDays,
  };
});
</script>

<style scoped lang="scss">
@import "@/uni.scss";
.img_small {
  width: 112rpx;
  height: 112rpx;
}
.body-content {
  background: #f8f8f8;
  border-radius: 0rpx 0rpx 0rpx 0rpx;
}
.exam-countdown-tiem-item {
  width: 24rpx;
  height: 34rpx;
  background: #ff3c3c;
  border-radius: 2rpx 2rpx 2rpx 2rpx;
  font-family: PingFang SC, PingFang SC;
  font-weight: 500;
  font-size: 24rpx;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.home {
  display: flex;
  flex-direction: column;
  gap: 20rpx;

  .time {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 24rpx;
    color: #333333;
    gap: 8rpx;

    .tiem-item {
      width: 24rpx;
      height: 34rpx;
      background: #ff3c3c;
      border-radius: 2rpx 2rpx 2rpx 2rpx;
      font-family: PingFang SC, PingFang SC;
      font-weight: 500;
      font-size: 24rpx;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
    }
  }

  .swiper {
    width: 100%;
    height: v-bind(imgHeight);
    /* 关键修复样式 */
    overflow: hidden;
    transform-style: preserve-3d;

    .swiper-item {
      width: 100%;
      height: 100%;
      overflow: hidden;
      border-radius: 30rpx;
      /* 确保变换不影响子元素 */
      transform: translateZ(0);

      .swiper-item-image {
        width: 100%;
        height: 100%;
        display: block;
        border-radius: 30rpx;
        /* 防止图片变形 */
        object-fit: cover;
        /* 确保层级 */
        position: relative;
      }
    }
  }

  .notice {
    display: flex;
    align-items: center;
    gap: 20rpx;
    padding-left: 26rpx;
    height: 72rpx;
    background: #ffffff;
    border-radius: 500rpx 500rpx 500rpx 500rpx;
    border: 1rpx solid #f8f8f8;
    .title-lable {
      padding: 5rpx 15rpx;
      border-radius: 8rpx 8rpx 8rpx 8rpx;
      border: 1rpx solid #3f75ff;
      font-weight: 500;
      font-size: 26rpx;
      color: #3f75ff;
      line-height: 32rpx;
      text-align: center;
      font-style: normal;
      text-transform: none;
    }
    .notice-title {
      width: calc(100% - 225rpx);
      color: #333;
      font-size: 26rpx;
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 1;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .notice-more {
      font-size: 26rpx;
    }
  }
}

.title {
  font-family: "PingFang SC, PingFang SC";
  font-weight: 700;
  font-size: 32rpx;
  color: #000000;
}

.p-20 {
  display: flex;
  flex-direction: column;
  gap: 20rpx;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background-color: #ffffff;
  padding: 24rpx;
  gap: 16rpx;
  border-radius: 16rpx;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background-color: #ffffff;
  padding: 24rpx;
  gap: 16rpx;
  border-radius: 16rpx;
  height: 100%;
}

.flex {
  display: flex;
  flex-direction: column;
  gap: 20rpx;
  align-items: center;
  justify-content: center;
}

.bg-red {
  width: 191.07rpx;
  height: 179.61rpx;
  background: url("https://openwork-oss.oss-cn-shenzhen.aliyuncs.com/uploads/question/2025/05/WmhlbORF2q8A62Ytg1RVac8AYSGPkf7F2pEY6jQP.png")
    no-repeat;
  background-size: cover;
  display: flex;
  justify-content: center;

  .text {
    font-family: jiangxizhuokai, jiangxizhuokai;
    font-weight: bold;
    font-size: 27rpx;
    color: #3f75ff;
    text-shadow: 0px 2px 4px #bdcfff;
    text-align: left;
    font-style: normal;
    text-transform: none;
    margin-top: 16rpx;
    width: 95rpx;
    height: 70rpx;
  }
}
</style>
