<template>
  <el-breadcrumb class="app-breadcrumb">
    <el-breadcrumb-item v-for="(item, index) in breadcrumbs" :key="item.path">
      <span
        v-if="
          item.redirect === 'noRedirect' || index === breadcrumbs.length - 1
        "
        class="no-redirect"
      >
        {{ item.meta.title }}
      </span>
      <a v-else @click.prevent="handleLink(item)">
        {{ item.meta.title }}
      </a>
    </el-breadcrumb-item>
  </el-breadcrumb>
</template>

<script setup>
import { ref, watch, defineProps } from "vue";
import { useRoute, useRouter } from "vue-router";
import { compile } from "path-to-regexp";

const props = defineProps({
  // 面包屑列表
  breadcrumbsList: {
    type: Array,
    default: () => [],
  },
});
const route = useRoute();
const router = useRouter();

const breadcrumbs = ref([]);

const getBreadcrumb = () => {
  breadcrumbs.value = props.breadcrumbsList;
};

const pathCompile = (path) => {
  const { params } = route;
  const toPath = compile(path);
  return toPath(params);
};

const handleLink = (item) => {
  const { redirect, path } = item;
  if (redirect) {
    router.push(redirect);
    return;
  }
  router.push(pathCompile(path));
};

watch(
  () => route.path,
  (path) => {
    if (path.startsWith("/redirect/")) {
      return;
    }
    getBreadcrumb();
  }
);

getBreadcrumb();
</script>

<style lang="scss" scoped>
.el-breadcrumb__inner,
.el-breadcrumb__inner a {
  font-weight: 400 !important;
}

.app-breadcrumb.el-breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: var(--v3-navigationbar-height);
  margin-left: 8px;
  .no-redirect {
    color: #97a8be;
    cursor: text;
  }
}
</style>
