<template>
  <view style="flex:1">
    <camera style="width: 100%; height: 300px;" :resolution="'high'" :mode="'scanCode'" @scancode="handleScanCode">
    </camera>
    <view class="camera-scan-code-back-wrap">
      <button type="default" @click="navigateBack">返回正常模式</button>
    </view>
    <view class="camera-scan-code-table">
      <view class="camera-scan-code-table-pair">
        <view class="camera-scan-code-table-pair-label">
          <text>类型</text>
        </view>
        <view class="camera-scan-code-table-pair-value">
          <text>{{ result?.type ?? ''}}</text>
        </view>
      </view>

      <view class="camera-scan-code-table-pair camera-scan-code-table-top-line">
        <view class="camera-scan-code-table-pair-label">
          <text>结果</text>
        </view>
        <view class="camera-scan-code-table-pair-value">
          <text>{{ result?.result ?? ''}}</text>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  type CameraScanCodeResult = {
    type : string | null;
    result : string | null;
  }
  export default {
    data() {
      return {
        result: null as CameraScanCodeResult | null,
      }
    },
    methods: {
      navigateBack() {
        uni.navigateBack()
      },
      handleScanCode(ev : UniCameraScanCodeEvent) {
        const deatil = ev.detail;
        this.result = {
          type: deatil.type,
          result: deatil.result
        } as CameraScanCodeResult
      }
    }
  }
</script>

<style>
  .camera-scan-code-back-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .camera-scan-code-table {
    background-color: white;
    margin-top: 20px;
  }
  .camera-scan-code-table-pair {
    height: 50px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .camera-scan-code-table-pair-label {
    flex-grow: 1;
    margin-left: 15px;

  }
  .camera-scan-code-table-pair-value{
    flex-grow: 2;

  }
  .camera-scan-code-table-top-line {
    border-top: 1px solid #eee;
  }
</style>