<template>
  <view @touchmove.stop.prevent>
    <view
      class="up-popup-class up-bottom-popup"
      :class="{ 'up-popup-show': show, 'up-popup-radius': radius, 'up-bp__safearea': isSafeArea }"
      :style="{
        background: backgroundColor,
        height: height ? height + 'rpx' : 'auto',
        zIndex: zIndex,
        transform: `translate3d(0, ${show ? translateY : '100%'}, 0)`
      }"
    >
      <slot></slot>
    </view>
    <view
      class="up-popup-mask"
      :class="[show ? 'up-mask-show' : '']"
      :style="{ zIndex: maskZIndex }"
      v-if="mask"
      @tap="handleClose"
    ></view>
  </view>
</template>

<script>
export default {
  name: 'tuiBottomPopup',
  emits: ['close'],
  props: {
    //是否需要mask
    mask: {
      type: Boolean,
      default: true
    },
    //控制显示
    show: {
      type: Boolean,
      default: false
    },
    //背景颜色
    backgroundColor: {
      type: String,
      default: '#fff'
    },
    //高度 rpx
    height: {
      type: Number,
      default: 0
    },
    //设置圆角
    radius: {
      type: Boolean,
      default: true
    },
    zIndex: {
      type: [Number, String],
      default: 997
    },
    maskZIndex: {
      type: [Number, String],
      default: 996
    },
    //弹层显示时，垂直方向移动的距离
    translateY: {
      type: String,
      default: '0'
    },
    //是否需要判断底部安全区域（主要针对iphonex以上机型）
    isSafeArea: {
      type: Boolean,
      default: true
    }
  },
  methods: {
    handleClose() {
      if (!this.show) {
        return;
      }
      this.$emit('close', {});
    }
  }
};
</script>

<style scoped>
.up-bottom-popup {
  width: 100%;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  transform: translate3d(0, 100%, 0);
  transform-origin: center;
  transition: all 0.3s ease-in-out;
  min-height: 20rpx;
}

.up-bp__safearea {
  padding-bottom: env(safe-area-inset-bottom);
}

.up-popup-radius {
  border-top-left-radius: 24rpx;
  border-top-right-radius: 24rpx;
  overflow: hidden;
}

.up-popup-show {
  opacity: 1;
  /* transform: translate3d(0, 0, 0); */
}

.up-popup-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  transition: all 0.3s ease-in-out;
  opacity: 0;
  visibility: hidden;
}

.up-mask-show {
  opacity: 1;
  visibility: visible;
}
</style>
