<script setup>
import { watch, ref } from 'vue'

defineOptions({
  name: 'xtx-dialog'
})

const props = defineProps({
  title: {
    type: String,
    default: '',
  },
  visible: {
    type: Boolean,
    default: false,
  },
})

const emit = defineEmits(['update:visible'])

const closeDialog = () => {
  emit('update:visible', !props.visible)
}

const fade = ref(false)

watch(
  () => props.visible,
  newVal => {
    // visible的值为true打开对话框，否则就是关闭对话框，其实控制fade的值即可
    setTimeout(() => {
      fade.value = newVal
    }, 0)
  },
  {
    immediate: true,
  }
)
</script>

<template>
  <!-- fade 做过渡动画 -->
  <div class="xtx-dialog" v-show="visible" :class="{ fade }">
    <div class="wrapper" :class="{ fade }">
      <div class="header">
        <!-- 标题 -->
        <h3>{{ title }}</h3>
        <a @click="closeDialog()" href="JavaScript:;" class="iconfont icon-close-new"></a>
      </div>
      <div class="body">
        <!-- 主体内容插槽 -->
        <slot></slot>
      </div>
      <div class="footer">
        <!-- 底部插槽 -->
        <slot name="footer"></slot>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
.xtx-dialog {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 8887;
  background: rgba(0, 0, 0, 0);
  &.fade {
    transition: all 0.4s;
    background: rgba(0, 0, 0, 0.5);
  }
  .wrapper {
    width: 600px;
    background: #fff;
    border-radius: 4px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    opacity: 0;
    &.fade {
      transition: all 0.4s;
      transform: translate(-50%, -50%);
      opacity: 1;
    }
    .body {
      padding: 20px 40px;
      font-size: 16px;
      .icon-warning {
        color: var(--price-color);
        margin-right: 3px;
        font-size: 16px;
      }
    }
    .footer {
      text-align: center;
      padding: 10px 0 30px 0;
    }
    .header {
      position: relative;
      height: 70px;
      line-height: 70px;
      padding: 0 20px;
      border-bottom: 1px solid #f5f5f5;
      h3 {
        font-weight: normal;
        font-size: 18px;
      }
      a {
        position: absolute;
        right: 25px;
        top: 25px;
        font-size: 24px;
        width: 20px;
        height: 20px;
        line-height: 20px;
        text-align: center;
        color: #999;
        &:hover {
          color: #666;
        }
      }
    }
  }
}
</style>
