<template>
  <div class="header">
    <div class="header_left">
      <div class="header_left_img">
        <img src="@/assets/large/secure.png" style="width: 100%; height: 100%" />
      </div>
      <div style="font-size: 12px; padding-left: 10px">安全生产天数：</div>
      <div class="header_left_text">
        {{ safetyDay }}
        <span style="font-size: 12px">天</span>
      </div>
    </div>
    <div class="title">
      <div class="title_text">资金管理看板</div>
      <div>Fund Management Dashboard</div>
    </div>
    <div class="right">
      <div class="top-bar">
        <!-- 左侧：天气轮播区域 -->
        <div class="left-section">
          <div class="weather-list" @mouseenter="requestPause" @mouseleave="resumeScroll">
            <div
              v-for="(item, i) in weatherList"
              :key="i"
              class="weather-item"
              :style="{ transform: `translateY(-${offsetY}px)`, transition: transition }"
            >
              <img :src="`../../../src/assets/images/${item.icon}.png`" alt="" />
              <div>{{ item.weather }}{{ item.tempMin }}°/{{ item.tempMax }}°</div>
              <div>{{ item.week }}({{ item.date }})</div>
            </div>
          </div>
        </div>
        <!-- 分割线 -->
        <div class="divider">
          <div class="top-block"></div>
          <div class="bottom-block"></div>
        </div>
        <!-- 右侧：管理系统图标 + 文字 -->
        <div class="right-section">
          <img src="@/assets/large/setting.png" alt="设置图标" />
          <span>管理系统</span>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, computed, onMounted, onUnmounted } from 'vue';
import { useUserStoreHook } from '@/store/modules/user';
import { getSafetyDay, getWeather } from '@/api/largeScreen/index';

interface WeatherData {
  date: string;
  week: string;
  tempMax: string;
  tempMin: string;
  sunRise: string;
  sunSet: string;
  dayStatus: string;
  dayIcon: string;
  nightStatus: string;
  nightIcon: string;
}

// 星期映射
const week = ['星期日', '星期一', '星期二', '星期三', '星期四', '星期五', '星期六'];
// 日期数据
const date = ref({
  ymd: '',
  hms: '',
  week: 0
});
// 安全生产天数
const safetyDay = ref('');
// 用户存储
const userStore = useUserStoreHook();
const currentProject = computed(() => userStore.selectedProject);

// 天气轮播相关变量
const weatherList = ref<WeatherData[]>([]);
const offsetY = ref<number>(0);
const curIndex = ref(0);
const transition = ref('transform 0.5s ease');
const timer = ref<number | null>(0);
const pendingPause = ref(false);

// 判断当前时间是白天/夜晚
function judgeDayOrNight(sunRise: string, sunSet: string) {
  const timeToMinutes = (timeStr: string) => {
    const [hours, minutes] = timeStr.split(':').map(Number);
    return isNaN(hours) || isNaN(minutes) ? 0 : hours * 60 + minutes;
  };
  const sunRiseMinutes = timeToMinutes(sunRise);
  const sunSetMinutes = timeToMinutes(sunSet);
  const now = new Date();
  const currentMinutes = now.getHours() * 60 + now.getMinutes();
  return currentMinutes >= sunRiseMinutes && currentMinutes <= sunSetMinutes;
}

// 天气轮播逻辑：每5秒切换一次
const setWeatherScroll = () => {
  curIndex.value += 1;
  transition.value = 'transform 0.3s ease';
  offsetY.value = curIndex.value * 60; // 每个天气项高度60px，需和样式一致

  // 轮播到最后一项时，无缝衔接回第一项
  if (curIndex.value === weatherList.value.length - 1) {
    setTimeout(() => {
      transition.value = 'none';
      curIndex.value = 0;
      offsetY.value = 0;
    }, 350);
  }
};

// 启动轮播定时器
function startScroll() {
  if (timer.value) clearInterval(timer.value);
  timer.value = window.setInterval(setWeatherScroll, 5000) as unknown as number;
}

// 鼠标悬浮暂停轮播
function requestPause() {
  if (timer.value) {
    clearInterval(timer.value);
    timer.value = null;
  }
  pendingPause.value = true;
}

// 鼠标离开恢复轮播
function resumeScroll() {
  pendingPause.value = false;
  startScroll();
}

// 设置实时时间
const setTime = () => {
  const date1 = new Date();
  const year = date1.getFullYear();
  const month = date1.getMonth() + 1;
  const day = date1.getDate();
  const hours = date1.getHours().toString().padStart(2, '0');
  const minutes = date1.getMinutes().toString().padStart(2, '0');
  const seconds = date1.getSeconds().toString().padStart(2, '0');

  date.value.ymd = `${year}-${month}-${day}`;
  date.value.hms = `${hours}:${minutes}:${seconds}`;
  date.value.week = date1.getDay();
};

// 获取天气数据
const getWeatherData = async () => {
  try {
    if (currentProject.value?.id) {
      const res = await getWeather(currentProject.value.id);
      if (res.code === 200 && res.data && res.data.length > 0) {
        weatherList.value = res.data;

        // 处理每一天的天气（白天/夜晚切换图标和状态）
        weatherList.value.forEach((item) => {
          const isDay = judgeDayOrNight(item.sunRise, item.sunSet);
          item.status = isDay ? item.dayStatus : item.nightStatus;
          item.icon = isDay ? item.dayIcon : item.nightIcon;
          item.tempRange = `${item.tempMin}°/${item.tempMax}°`;
        });

        // 复制第一项实现无缝轮播
        weatherList.value = [...weatherList.value, weatherList.value[0]];
        startScroll(); // 数据加载后启动轮播
      }
    }
  } catch (error) {
    console.error('获取天气数据失败:', error);
  }
};

// 获取安全生产天数
const getSafetyDays = async () => {
  try {
    if (currentProject.value?.id) {
      const res = await getSafetyDay(currentProject.value.id);
      if (res.code === 200 && res.data) {
        safetyDay.value = res.data.safetyDay.toString();
      }
    }
  } catch (error) {
    console.error('获取安全生产天数失败:', error);
  }
};

// 组件挂载时初始化
onMounted(() => {
  setTime(); // 初始化时间
  getSafetyDays();
  getWeatherData();
  // 时间定时器（每秒更新）
  window.setInterval(setTime, 1000);
});

// 组件卸载时清除定时器
onUnmounted(() => {
  if (timer.value) {
    clearInterval(timer.value);
  }
});
</script>

<style scoped lang="scss">
.header {
  width: 100%;
  height: 80px;
  box-sizing: border-box;
  padding: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  color: #fff;
}

.header_left {
  display: flex;
  align-items: center;

  .header_left_img {
    width: 48px;
    height: 48px;
    box-sizing: border-box;
    // padding-right: 10px;
  }

  .header_left_text {
    font-weight: 500;
    text-shadow: 0px 1.24px 6.21px rgba(25, 179, 250, 1);
  }
}

.header_right {
  width: 100%;
  height: 100%;
  display: flex;
}

.title {
  color: #fff;
  font-family: 'AlimamaShuHeiTi', sans-serif;
  text-align: center;
}

.title > div:first-child {
  /* 第一个子元素的样式 */
  font-size: 38px;
  letter-spacing: 0.1em;
}

.title > div:last-child {
  /* 最后一个子元素的样式 */
  font-size: 14px;
}

/* 顶部栏容器：Flex 水平布局 + 垂直居中 */
.top-bar {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: #fff;
  padding: 8px 16px;
  font-size: 14px;
}

/* 左侧区域（天气 + 日期）：自身也用 Flex 水平排列，确保元素在一行 */
.left-section {
  height: 100%;
  display: flex;
  align-items: center;

  .weather-list {
    height: 60px;
    overflow: hidden;

    .weather-item {
      height: 60px;
      line-height: 60px;
      display: flex;
      align-items: center;

      & > div:last-child {
        margin-left: 10px;
      }

      img {
        width: 50px;
        height: 50px;
      }
    }
  }
}

/* 分割线（视觉分隔，可根据需求调整样式） */
.divider {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  padding: 14px 10px;
}

.divider .top-block {
  width: 2px;
  height: 7px;
  background: #19b5fb;
  align-self: start;
}

.divider .bottom-block {
  width: 2px;
  height: 7px;
  background: #19b5fb;
  align-self: end;
}

/* 右侧区域（管理系统）：图标 + 文字水平排列 */
.right-section {
  display: flex;
  align-items: center;
  font-family: 'AlimamaShuHeiTi', sans-serif;
  font-size: 20px;
  cursor: pointer;
}

.right-section img {
  width: 20px;
  height: 20px;
  margin-right: 6px;
  /* 图标与文字间距 */
}

.change {
  display: grid;
  place-items: center;
  margin-right: 10px;
  cursor: pointer;
}
</style>
