<script lang="ts" setup>
import { propTypes } from '@/utils/propTypes'
import { isNumber } from '@/utils/is'

defineOptions({ name: 'Dialog' })

const slots = useSlots()
const emits = defineEmits(['update:modelValue'])

const props = defineProps({
  modelValue: propTypes.bool.def(false),
  title: propTypes.string.def('Dialog'),
  fullscreen: propTypes.bool.def(true),
  width: propTypes.oneOfType([String, Number]).def('40%'),
  scroll: propTypes.bool.def(false), // 是否开启滚动条。如果是的话，按照 maxHeight 设置最大高度
  maxHeight: propTypes.oneOfType([String, Number]).def('400px'),
  enableModalClose: propTypes.bool.def(false)
})

const getBindValue = computed(() => {
  const delArr: string[] = ['fullscreen', 'title', 'maxHeight', 'appendToBody']
  const attrs = useAttrs()
  const obj = { ...attrs, ...props }
  for (const key in obj) {
    if (delArr.indexOf(key) !== -1) {
      delete obj[key]
    }
  }
  return obj
})

const isFullscreen = ref(false)

const toggleFull = () => {
  isFullscreen.value = !unref(isFullscreen)
}

const dialogHeight = ref(isNumber(props.maxHeight) ? `${props.maxHeight}px` : props.maxHeight)

watch(
  () => isFullscreen.value,
  async (val: boolean) => {
    await nextTick()
    if (val) {
      const windowHeight = document.documentElement.offsetHeight
      dialogHeight.value = `${windowHeight - 55 - 60 - (slots.footer ? 63 : 0)}px`
    } else {
      dialogHeight.value = isNumber(props.maxHeight) ? `${props.maxHeight}px` : props.maxHeight
    }
  },
  {
    immediate: true
  }
)

const dialogStyle = computed(() => {
  return {
    height: unref(dialogHeight)
  }
})

const closing = ref(false)

function closeHandler() {
  emits('update:modelValue', false)
  closing.value = true
}

function closedHandler() {
  closing.value = false
}
</script>

<template>
  <ElDialog v-bind="getBindValue" :close-on-click-modal="enableModalClose" :fullscreen="isFullscreen" :width="width"
    destroy-on-close lock-scroll draggable class="com-dialog" :show-close="false" @close="closeHandler"
    @closed="closedHandler">
    <template #header="{ close }">
      <div class="relative h-54px flex items-center justify-between pl-15px pr-15px">
        <slot name="title">
          {{ title }}
        </slot>
        <div class="absolute right-15px top-[50%] h-54px flex translate-y-[-50%] items-center justify-between">
          <Icon v-if="fullscreen" class="is-hover mr-10px cursor-pointer"
            :icon="isFullscreen ? 'radix-icons:exit-full-screen' : 'radix-icons:enter-full-screen'"
            color="var(--el-color-info)" hover-color="var(--el-color-primary)" @click="toggleFull" />
          <Icon class="is-hover cursor-pointer" icon="ep:close" hover-color="var(--el-color-primary)"
            color="var(--el-color-info)" @click.stop="close" />
        </div>
      </div>
    </template>

    <ElScrollbar v-if="scroll" :style="dialogStyle">
      <slot></slot>
    </ElScrollbar>
    <slot v-else></slot>
    <template v-if="slots.footer" #footer>
      <div :style="{ 'pointer-events': closing ? 'none' : 'auto' }">
        <slot name="footer"></slot>
      </div>
    </template>
  </ElDialog>
</template>

<style lang="scss">
.com-dialog {
  .#{$elNamespace}-overlay-dialog {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .#{$elNamespace}-dialog {
    margin: 0 !important;

    &__header {
      height: 54px;
      padding: 0;
      margin-right: 0 !important;
      border-bottom: 1px solid var(--el-border-color);
    }

    &__body {
      padding: 15px !important;
    }

    &__footer {
      border-top: 1px solid var(--el-border-color);
    }

    &__headerbtn {
      top: 0;
    }
  }
}
</style>