<template>
  <Teleport to="body">
    <Transition name="modal">
      <div v-if="src" class="modal a-show" @click.self="close">
        <div class="modal-backdrop" @click="close" />
        <div class="modal-panel lightbox-panel" role="dialog" aria-modal="true">
          <header class="modal-header">
            <h4 class="modal-title">Photo</h4>
            <button class="btn-icon modal-close" type="button" aria-label="Close" @click="close">✕</button>
          </header>
          <div class="modal-body lightbox-body">
            <img :src="src" class="lightbox-img" />
          </div>
        </div>
      </div>
    </Transition>
  </Teleport>
</template>

<script setup>
import { watch, onUnmounted } from 'vue'
import { useLightbox } from '@/composables/useLightbox.js'

const { src, close } = useLightbox()

watch(src, (val) => {
  document.body.style.overflow = val ? 'hidden' : ''
})

onUnmounted(() => {
  document.body.style.overflow = ''
})
</script>

<style scoped>
.lightbox-panel {
  max-width: 90vw;
  min-height: unset;
  width: fit-content;
  cursor: default;
}

.lightbox-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  max-height: calc(90vh - 60px);
  overflow: hidden;
}

.lightbox-img {
  display: block;
  max-width: 100%;
  max-height: calc(90vh - 60px);
  object-fit: contain;
}
</style>