<template>
  <section class="AiSearchBar" :class="{bottomBorder,isSingleRow,expand}">
    <div ref="AiSearchBarZone" class="searchLeftZone">
      <slot name="left"/>
    </div>
    <div class="searchRightZone" ref="searchRightZone">
      <slot name="right"/>
    </div>
    <ai-pull-down v-if="!isSingleRow" v-model="expand"/>
  </section>
</template>

<script>
export default {
  name: "AiSearchBar",
  props: {
    bottomBorder: Boolean,
    size: {default: "small"}
  },
  computed: {
    isSingleRow: v => v.height <= 45
  },
  data() {
    return {
      height: 0,
      rightHeight: 0,
      searchBarStyle: {},
      observer: null,
      expand: false
    }
  },
  methods: {
    handlePullDown(style) {
      this.searchBarStyle = style
      if (style.height == 'auto') {
        this.searchBarStyle.marginBottom = '16px'
      } else {
        this.searchBarStyle.marginBottom = '0'
      }
    },
    initSize() {
      this.height = this.$refs?.AiSearchBarZone?.offsetHeight
      this.rightHeight = this.$refs?.searchRightZone?.offsetHeight + 12
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initSize()
      this.observer = new ResizeObserver(this.initSize)
      this.observer.observe(this.$refs?.AiSearchBarZone)
    })
  },
  beforeDestroy() {
    this.observer?.disconnect()
  }
}
</script>

<style lang="scss" scoped>
.AiSearchBar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 36px;
  position: relative;
  height: 64px;
  overflow: hidden;

  &.isSingleRow {
    height: 44px;
    padding-bottom: 12px;
  }

  &.bottomBorder {
    border-bottom: 1px solid #eee;
  }

  &.expand {
    height: auto;
  }

  :deep(.searchLeftZone ) {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    overflow: hidden;
    //height: 40px;
  }

  :deep(.searchRightZone ) {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    align-self: flex-start;

    .el-input {
      width: 280px;
    }

    * + button, * + div, * + section {
      margin-left: 8px;
    }
  }

  .el-input {
    width: auto;
  }
}

.AiPullDown {
  margin-top: 8px;
}

:deep( .searchLeftZone > .el-button), :deep( .searchRightZone > .el-button ) {
  margin-left: 0;
}
</style>
