<script setup lang="ts">
import { onBeforeMount, ref, watch } from 'vue'
import { useRoute, type RouteLocationMatched } from 'vue-router'
// import { compile } from 'path-to-regexp'
// import router from '@/router'

const currentRoute = useRoute()
// const pathCompile = (path: string) => {
//   const { params } = currentRoute
//   const toPath = compile(path)
//   return toPath(params)
// }

const breadcrumbs = ref([] as Array<RouteLocationMatched>)

function getBreadcrumb() {
  let matched = currentRoute.matched.filter((item) => item.meta && item.meta.title)
  // const first = matched[0]
  // if (!isDashboard(first)) {
  //   matched = [{ path: '/home/index', meta: { title: '首页' } } as any].concat(
  //     matched
  //   )
  // }
  breadcrumbs.value = matched.filter((item) => {
    return item.meta && item.meta.title && item.meta.breadcrumb !== false
  })
}

// function isDashboard(route: RouteLocationMatched) {
//   const name = route && route.name
//   if (!name) {
//     return false
//   }
//   return (
//     name.toString().trim().toLocaleLowerCase() ===
//     'Dashboard'.toLocaleLowerCase()
//   )
// }

// function handleLink(item: any) {
//   const { redirect, path } = item
//   if (redirect) {
//     router.push(redirect).catch(err => {
//       console.warn(err)
//     })
//     return
//   }
//   router.push(pathCompile(path)).catch(err => {
//     console.warn(err)
//   })
// }

watch(
  () => currentRoute.path,
  (path) => {
    if (path.startsWith('/redirect/')) {
      return
    }
    getBreadcrumb()
  }
)

onBeforeMount(() => {
  getBreadcrumb()
})
</script>

<template>
  <el-breadcrumb class="app-breadcrumb" separator-class="el-icon-arrow-right">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item, index) in breadcrumbs" :key="item.path">
        <span v-if="index === breadcrumbs.length - 1" class="redirect">{{ item.meta.title }}</span>
        <span v-else class="no-redirect">{{ item.meta.title }}</span>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

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

.app-breadcrumb.el-breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: 50px;
  margin-left: 8px;
  .redirect {
    color: #409eff;
  }
  .no-redirect {
    color: #97a8be;
    cursor: text;
  }
}
</style>
