<template>
  <div v-transfer-dom :data-transfer="transfer" :class="actionCls">
    <transition name="action-sheet-mask">
      <div
        class="yoho-popup-mask"
        @touchmove.prevent
        @click="maskClick"
        v-if="mask && isVisible"
      ></div>
    </transition>
    <transition name="action-sheet-move">
      <div class="yoho-popup" v-show="isVisible" :style="{ 'z-index': zIndex }">
        <div
          class="yoho-popup-container"
          :style="{ 'max-height': maxHeight + 'px', height: contentHeight }"
        >
          <slot></slot>
        </div>
      </div>
    </transition>
  </div>
</template>

<script>
import { mapState } from 'vuex';

export default {
  name: 'YohoActionSheet',
  props: {
    maskClosable: {
      type: Boolean,
      default: true
    },
    mask: {
      type: Boolean,
      default: true
    },
    transfer: Boolean,
    zIndex: {
      type: Number,
      default: 100
    },
    visible: {
      type: Boolean,
      default: false
    },
    full: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      isVisible: false,
      maxHeight: 0
    };
  },
  mounted() {
    this.maxHeight = document.documentElement.clientHeight;
    this.$watch(
      'visible',
      newVal => {
        if (newVal) {
          this.show();
        } else {
          this.hide();
        }
      },
      {
        immediate: true
      }
    );
  },
  computed: {
    ...mapState(['yoho']),
    actionCls() {
      return [{ 'yoho-action-sheet': this.full }];
    },
    contentHeight() {
      let { statusBarHeight, statusBarStatus } = this.yoho.window || {};

      if (!statusBarStatus) {
        statusBarHeight = 0;
      }

      return this.full ? `${this.maxHeight - 20 - statusBarHeight}px` : 'auto';
    }
  },
  methods: {
    maskClick() {
      this.maskClosable && this.cancel();
    },

    cancel() {
      this.hide();
      this.$emit('cancel');
    },

    show() {
      this.isVisible = true;
    },

    hide() {
      this.isVisible = false;
    }
  }
};
</script>

<style lang="scss" scoped>
.action-sheet-move-enter,
.action-sheet-move-leave-active {
  transform: translate3d(0, 100%, 0);
}

.action-sheet-move-enter,
.action-sheet-move-leave-to {
  opacity: 0.5;
}

.action-sheet-move-enter-active {
  transition: all 0.4s cubic-bezier(0, 0.96, 0.14, 1.06);
}

.action-sheet-move-leave-active {
  transition: all 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.action-sheet-mask-enter,
.action-sheet-mask-leave-to {
  opacity: 0;
}

.action-sheet-mask-enter-active {
  transition: opacity 0.3s linear;
}

.action-sheet-mask-leave-active {
  transition: opacity 0.1s linear;
}

.yoho-popup-mask {
  display: block;
  position: absolute;
  z-index: 99;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.yoho-popup {
  width: 100%;
  position: fixed;
  bottom: 0;

  .yoho-popup-container {
    position: relative;
    opacity: 1;
    overflow: hidden;
  }

  &:after {
    content: "";
    width: 100%;
    height: 200px;
    position: absolute;
    left: 0;
    bottom: -200px;
    z-index: -1;
    background: #fff;
  }
}
</style>