<template>
  <div class="log-viewer">
    <s-header :name="$t('device.viewLogs')" :noback="false" />

    <!-- 设备名称标题 -->
    <div class="device-card">
      <div class="device-header">
        <van-icon name="desktop-o" class="icon" />
        <h3 class="device-name">
          {{ equipmentName }}
        </h3>
      </div>
    </div>

    <!-- 操作卡片 -->
    <div class="operation-card">
      <!-- 时间选择 -->
      <div class="time-picker-card">
        <van-field
          v-model="logsTime"
          is-link
          readonly
          label="选择日期"
          placeholder="点击选择时间"
          @click="chooseTime"
          class="time-field"
        />
        <van-popup v-model:show="showPicker" round position="bottom">
          <van-date-picker
            :min-date="minDate"
            :max-date="maxDate"
            @confirm="selectTime"
            @cancel="showPicker = false"
          />
        </van-popup>
      </div>

      <!-- 使用说明 -->
      <div class="tutorial-card">
        <van-field
          v-model="message"
          readonly
          rows="2"
          autosize
          label="使用教程"
          type="textarea"
          class="tutorial-field"
        />
      </div>

      <!-- 新增通道选择 -->
      <!-- <div class="channel-selector">
        <van-radio-group v-model="channelType" direction="horizontal">
          <van-radio name="1" icon-size="16px" class="channel-option">
            默认通道
          </van-radio>
          <van-radio name="2" icon-size="16px" class="channel-option">
            新通道
          </van-radio>
        </van-radio-group>
      </div> -->

      <!-- 操作按钮 -->
      <div class="action-buttons">
        <van-button
          round
          type="primary"
          icon="back-top"
          @click="uploadLogBtn"
          class="action-btn"
        >
          上传日志
        </van-button>
        <van-button
          round
          type="success"
          icon="search"
          @click="queryLogBtn"
          class="action-btn"
        >
          查询日志
        </van-button>
      </div>

      <!-- 文件下载卡片 -->
      <div v-if="fileName" class="file-card">
        <van-cell
          :title="fileName"
          clickable
          @click="downloadFile"
          class="file-item"
        >
          <template #right-icon>
            <van-icon name="down" class="download-icon" />
          </template>
        </van-cell>
      </div>
    </div>
  </div>
</template>

<script>
import { onMounted, computed, ref } from "vue";
import sHeader from "@/components/SimpleHeader.vue";
import {
  getDeviceDetal,
  // uploadLog,
  newUploadLog,
  queryLog,
} from "@/service/device";
import { showFailToast, showToast } from "vant";
import { useRoute } from "vue-router";
import dateUtil from "@/utils/dateUtil";

export default {
  components: {
    sHeader,
  },
  setup() {
    const route = useRoute();
    const deviceId = route.query.deviceId;
    const equipmentName = ref("");
    const deviceDetail = ref(null);
    const showPicker = ref(false);
    const downloading = ref(false);
    const logsTime = ref(null);
    const fileName = ref(""); // 文件名
    const message = ref(
      "选择日期点击上传，等待几秒后点击查询，找到文件点击下载到本地查看。"
    );

    // 计算最小日期为当前日期7天前
    const minDate = computed(() => {
      const minTimestamp = new Date().getTime() - 6 * 24 * 3600 * 1000;
      const minDate = dateUtil.formateDate(
        new Date(minTimestamp),
        "yyyy-MM-dd"
      );
      return new Date(minDate);
    });

    // 计算最大日期为当前日期
    const maxDate = computed(() => {
      return new Date();
    });

    // 上传通道
    // const channelType = ref("1");

    // 初始化页面获取列表
    onMounted(async () => {
      // 加载样式
      await getDeviceDetailFun();
      equipmentName.value = route.query.name;
    });

    // 选择时间
    const chooseTime = () => {
      showPicker.value = true;
    };

    const selectTime = ({ selectedValues }) => {
      logsTime.value = selectedValues.join("-");
      showPicker.value = false;
    };

    const getDeviceDetailFun = async () => {
      const { data } = await getDeviceDetal({
        id: deviceId,
      });
      if (data.code === "00000") {
        deviceDetail.value = data.data;
      } else {
        showFailToast(data.message);
      }
    };

    const uploadLogBtn = async () => {
      const pattern = /^\d{4}-\d{2}-\d{2}$/;
      if (logsTime.value == "") {
        showToast("请选择日期");
        return;
      }
      if (!pattern.test(logsTime.value)) {
        showToast("日期格式有误");
        return;
      }
      const formattedDate = logsTime.value.replace(/-/g, "");
      const { data } = await newUploadLog({
        equipmentId: deviceId,
        day: formattedDate,
      });
      if (data.code == "00000") {
        showToast("上传信号发送成功，请等待几秒后查询下载");
      } else {
        showFailToast(data.message);
      }
    };

    // 查询日志是否上传成功
    const queryLogBtn = async () => {
      if (logsTime.value == "") {
        showToast("请选择日期");
        return;
      }
      const pattern = /^\d{4}-\d{2}-\d{2}$/;
      if (!pattern.test(logsTime.value)) {
        showToast("日期格式有误");
        return;
      }
      const formattedDate = logsTime.value.replace(/-/g, "");
      const { data } = await queryLog({
        equipmentId: deviceId,
        day: formattedDate,
      });
      if (data.code == "00000") {
        // console.log(data.data);
        showToast("查询成功，点击下载");
        fileName.value = data.data.substring(4);
      } else {
        fileName.value = "";
        showToast("找不到文件，请重试上传或检查机器网络");
      }
    };

    const downloadFile = async () => {
      // 文件链接
      const fileUrl = "https://qiniuyun.sunzee.com.cn/log/" + fileName.value;
      // 文件名
      const newFileName = fileName.value;
      try {
        const response = await fetch(fileUrl, {
          headers: {
            "Cache-Control": "no-store", // 禁用缓存
            Pragma: "no-cache",
          },
        });
        console.log("response", response);

        // 将文件内容创建为Blob
        const fileBlob = await response.blob();

        // 创建一个下载链接
        const downloadLink = document.createElement("a");
        downloadLink.href = URL.createObjectURL(fileBlob);
        downloadLink.download = newFileName;

        // 模拟点击下载链接
        document.body.appendChild(downloadLink);
        downloadLink.click();

        // 清理添加的链接元素
        document.body.removeChild(downloadLink);
      } catch (error) {
        console.error("请求超时：", error);
      }
    };

    return {
      deviceDetail,
      chooseTime,
      selectTime,
      showPicker,
      logsTime,
      minDate,
      maxDate,
      downloading,
      downloadFile,
      uploadLogBtn,
      queryLogBtn,
      fileName,
      message,
      // channelType,
      equipmentName,
    };
  },
};
</script>

<style lang="less" scoped>
@import "../../../common/style/common";

@primary-color: #4dc294;
@card-bg: #ffffff;
@text-primary: #2d3436;
@border-color: #e4e7ec;

.log-viewer {
  background: #f8fafb;
  min-height: 100vh;
}

.device-header {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  background: #fff;
  margin: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);

  .icon {
    font-size: 18px;
    color: #4d6add;
    margin-right: 10px;
  }

  .device-name {
    margin: 0;
    font-size: 15px;
    color: #404d74;
    font-weight: 550;

    // 长名称处理
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 70vw;
  }
}

.operation-card {
  background: @card-bg;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  padding: 16px;
  margin: 10px;

  .time-picker-card {
    margin-bottom: 16px;

    .time-field {
      :deep(.van-field__label) {
        width: 80px;
      }
    }
  }

  .tutorial-card {
    border: 1px solid @border-color;
    border-radius: 8px;
    margin-bottom: 24px;

    .tutorial-field {
      :deep(.van-field__label) {
        color: @primary-color;
        font-weight: bold;
      }
      :deep(textarea) {
        color: #666;
        font-size: 13px;
      }
    }
  }

  .channel-selector {
    margin: 16px 0;
    padding: 12px 16px;
    background: #f8fafb;
    border-radius: 8px;

    .van-radio-group {
      display: flex;
      gap: 24px;
      justify-content: center;
    }

    .channel-option {
      :deep(.van-radio__label) {
        color: #2d3436;
        font-size: 14px;
      }

      :deep(.van-radio__icon) {
        color: #4dc294;
      }
    }
  }

  .action-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;

    .action-btn {
      height: 44px;
      font-size: 15px;
      box-shadow: 0 4px 12px rgba(77, 194, 148, 0.2);

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

.file-card {
  background: #666;
  border-radius: 12px;
  margin: 16px 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);

  .file-item {
    :deep(.van-cell__title) {
      color: @text-primary;
      font-weight: 500;
    }

    .download-icon {
      color: @primary-color;
      font-size: 18px;
      margin-left: 8px;
    }

    &:active {
      background-color: #f8fafb;
    }
  }
}

@media (max-width: 480px) {
  .action-buttons {
    grid-template-columns: 1fr !important;

    .action-btn {
      width: 100%;
    }
  }

  .operation-card {
    padding: 12px;
  }
}
</style>
