<template>
  <div class="fordeep relative" :class="{ forended: isEnded }">
    <Icon class="absolute z-10 top-2 left-4" :name="branchIcon" :size="branchIconSize" />
    <d-editable-select
      :max-height="maxHeight"
      placeholder=""
      v-model="value"
      :options="branchList"
      :enable-lazy-load="true"
      @load-more="loadMore"
      :loading="loading"
      :width="width"
      @input-change="inputChange"
    >
      <template #item="{ option, index }">
        <div class="flex gap-2 items-center overflow-hidden">
          <Icon :name="branchIcon" :size="branchIconSize" />
          <div class="flex-1 ellipsis">{{ option.label }}</div>
        </div>
      </template>
    </d-editable-select>
  </div>
</template>

<script setup>
import { ref, watch, reactive, computed } from 'vue';
import { getBranches } from '@/api/branch';
import repo from '@/router/config/repo';
import { escapeResData } from '@/utils';
import { useVModel } from '@vueuse/core';
import debounce from 'lodash/debounce';
const branchIcon = 'gt-branches';
const branchIconSize = '16px';

const props = defineProps(['repo', 'value', 'sort', 'width', 'maxHeight']);
const emit = defineEmits(['update:value']);

const value = useVModel(props, 'value', emit);

const page = reactive({
  per_page: 20,
  page: 1
});
const total = ref(0);
const search = ref('');

const branchList = ref([]);

const loading = ref(false);
const isEnded = computed(() => total.value && (page.page - 1) * page.per_page > total.value);
const getList = debounce(
  (isInputChange) => {
    if (isEnded.value) return;
    loading.value = true;
    getBranches({
      repoId: props.repo,
      sort: props.sort,
      search: search.value,
      ...page
    })
      .then((res) => {
        const data = escapeResData(res);
        total.value = data.total;
        const list = data.content.map((x) => ({ label: x.name, value: x.name }));
        if (isInputChange) branchList.value = list;
        else branchList.value = [...branchList.value, ...list];
      })
      .finally(() => (loading.value = false));
  },
  500,
  {
    leading: true
  }
);

const loadMore = () => {
  page.page += 1;
  getList();
};

const inputChange = (e) => {
  search.value = e;
  reset();
  getList(true);
};

const reset = () => {
  page.page = 1;
  branchList.value = [];
};

watch(
  repo,
  () => {
    reset();
    getList();
  },
  { immediate: true }
);
</script>

<style scoped lang="scss">
.fordeep {
  :deep(.devui-editable-select-input__inner) {
    padding-left: 32px;
  }
}

.forended {
  :deep(.devui-editable-select__inner:after) {
    content: '--- 到底啦 ---';
    display: flex;
    justify-content: center;
    color: #888;
    padding-top: 10px;
  }
}
</style>
