<template>
  <div
    v-if="collapsible === 'none'"
    data-slot="sidebar"
    :class="cn('bg-sidebar text-sidebar-foreground flex h-full w-(--sidebar-width) flex-col', props.class)"
    v-bind="$attrs"
  >
    <slot />
  </div>

  <Sheet v-else-if="isMobile" :open="openMobile" v-bind="$attrs" @update:open="handleOpenMobileChange">
    <SheetContent
      data-sidebar="sidebar"
      data-slot="sidebar"
      data-mobile="true"
      :side="side"
      class="bg-sidebar text-sidebar-foreground w-(--sidebar-width) p-0 [&>button]:hidden"
      :style="{
        '--sidebar-width': SIDEBAR_WIDTH_MOBILE
      }"
    >
      <SheetHeader class="sr-only">
        <SheetTitle>Sidebar</SheetTitle>
        <SheetDescription>Displays the mobile sidebar.</SheetDescription>
      </SheetHeader>
      <div class="flex h-full w-full flex-col">
        <slot />
      </div>
    </SheetContent>
  </Sheet>

  <div
    v-else
    class="group peer text-sidebar-foreground hidden md:block"
    data-slot="sidebar"
    :data-state="state"
    :data-collapsible="state === 'collapsed' ? collapsible : ''"
    :data-variant="variant"
    :data-side="side"
  >
    <!-- This is what handles the sidebar gap on desktop  -->
    <div
      :class="
        cn(
          'relative w-(--sidebar-width) bg-transparent transition-[width] duration-200 ease-linear',
          'group-data-[collapsible=offcanvas]:w-0',
          'group-data-[side=right]:rotate-180',
          variant === 'floating' || variant === 'inset'
            ? 'group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4)))]'
            : 'group-data-[collapsible=icon]:w-(--sidebar-width-icon)'
        )
      "
    />
    <div
      :class="
        cn(
          'fixed inset-y-0 z-10 hidden h-svh w-(--sidebar-width) transition-[left,right,width] duration-200 ease-linear md:flex',
          side === 'left'
            ? 'left-0 group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)]'
            : 'right-0 group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)]',
          // Adjust the padding for floating and inset variants.
          variant === 'floating' || variant === 'inset'
            ? 'p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4))+2px)]'
            : 'group-data-[collapsible=icon]:w-(--sidebar-width-icon) group-data-[side=left]:border-r group-data-[side=right]:border-l',
          props.class
        )
      "
      v-bind="$attrs"
    >
      <div
        data-sidebar="sidebar"
        class="bg-sidebar group-data-[variant=floating]:border-sidebar-border flex h-full w-full flex-col group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:border group-data-[variant=floating]:shadow-sm"
      >
        <slot />
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
  import type { SidebarProps } from '.'
  import { watch } from 'vue'
  import { cn } from '@/lib/utils'
  import { Sheet, SheetContent } from '@/components/ui/sheet'
  import SheetDescription from '@/components/ui/sheet/SheetDescription.vue'
  import SheetHeader from '@/components/ui/sheet/SheetHeader.vue'
  import SheetTitle from '@/components/ui/sheet/SheetTitle.vue'
  import { SIDEBAR_WIDTH_MOBILE, useSidebar } from './utils'
  import { useRouter } from 'vue-router'

  defineOptions({
    inheritAttrs: false
  })

  const props = withDefaults(defineProps<SidebarProps>(), {
    side: 'left',
    variant: 'sidebar',
    collapsible: 'offcanvas'
  })

  const router = useRouter()
  const { isMobile, state, openMobile, setOpenMobile } = useSidebar()

  // 处理移动端侧边栏打开/关闭
  const handleOpenMobileChange = (open: boolean) => {
    setOpenMobile(open)
  }

  // 监听路由变化，在移动端关闭侧边栏
  watch(
    () => router.currentRoute.value.path,
    () => {
      if (isMobile.value && openMobile.value) {
        setOpenMobile(false)
      }
    }
  )
</script>
