<script lang="ts">
import { isVNode, type VNode } from 'vue'
import { tv, type VariantProps } from 'tailwind-variants'
import type { PrimitiveProps } from 'radix-vue'
import type { AppConfig } from '@nuxt/schema'
import _appConfig from '#build/app.config'
import theme from '#build/ui/alert'
import type { AvatarProps, ButtonProps, IconProps } from '#ui/types'

const appConfig = _appConfig as AppConfig & { ui: { alert: Partial<typeof theme> } }

const alert = tv({ extend: tv(theme), ...(appConfig.ui?.alert || {}) })

type AlertVariants = VariantProps<typeof alert>

export interface AlertProps extends Omit<PrimitiveProps, 'asChild'> {
  title?: string
  description?: string | VNode | (() => VNode)
  icon?: IconProps['name']
  avatar?: AvatarProps
  color?: AlertVariants['color']
  variant?: AlertVariants['variant']
  actions?: ButtonProps[]
  close?: ButtonProps | boolean
  class?: any
  ui?: Partial<typeof alert.slots>
}

export interface AlertEmits {
  (e: 'close'): void
}

export interface AlertSlots {
  leading(): any
  title(): any
  description(): any
  close(): any
}
</script>

<script setup lang="ts">
import { computed } from 'vue'
import { Primitive } from 'radix-vue'
import { useAppConfig } from '#imports'
import { UIcon, UAvatar } from '#components'

const props = withDefaults(defineProps<AlertProps>(), { as: 'div' })
const emits = defineEmits<AlertEmits>()
defineSlots<AlertSlots>()

const appConfig = useAppConfig()

const multiline = computed(() => !!props.title && !!props.description)

const ui = computed(() => tv({ extend: alert, slots: props.ui })({
  color: props.color,
  variant: props.variant
}))
</script>

<template>
  <Primitive :as="as" :class="ui.root({ class: props.class, multiline })">
    <slot name="leading">
      <UAvatar v-if="avatar" size="2xl" v-bind="avatar" :class="ui.avatar()" />
      <UIcon v-else-if="icon" :name="icon" :class="ui.icon()" />
    </slot>

    <div :class="ui.wrapper()">
      <div v-if="title || $slots.title" :class="ui.title()">
        <slot name="title">
          {{ title }}
        </slot>
      </div>
      <template v-if="description || $slots.description">
        <component :is="description" v-if="description && isVNode(description)" />
        <div v-else :class="ui.description()">
          <slot name="description">
            {{ description }}
          </slot>
        </div>
      </template>

      <div v-if="multiline && actions?.length" :class="ui.actions({ multiline: true })">
        <UButton v-for="(action, index) in actions" :key="index" size="xs" v-bind="action" />
      </div>
    </div>

    <div v-if="(!multiline && actions?.length) || close" :class="ui.actions({ multiline: false })">
      <template v-if="!multiline">
        <UButton v-for="(action, index) in actions" :key="index" size="xs" v-bind="action" />
      </template>

      <UButton
        v-if="close"
        :icon="appConfig.ui.icons.close"
        size="sm"
        color="gray"
        variant="link"
        aria-label="Close"
        v-bind="typeof close === 'object' ? close : {}"
        :class="ui.close()"
        @click="emits('close')"
      />
    </div>
  </Primitive>
</template>
