<template>
  <img
    v-if="src"
    ref="img"
    :class="`avatar size-${size} ${circle ? 'circle' : ''} ${noShadow ? 'no-shadow' : ''} ${
      pixelated ? 'pixelated' : ''
    } ${raised ? 'raised' : ''}`"
    :src="src"
    :alt="alt"
    :loading="loading"
    @load="updatePixelated"
  />
  <svg
    v-else
    :class="`avatar size-${size} ${circle ? 'circle' : ''} ${noShadow ? 'no-shadow' : ''} ${
      raised ? 'raised' : ''
    }`"
    xml:space="preserve"
    fill-rule="evenodd"
    stroke-linecap="round"
    stroke-linejoin="round"
    stroke-miterlimit="1.5"
    clip-rule="evenodd"
    viewBox="0 0 104 104"
    aria-hidden="true"
  >
    <path fill="none" d="M0 0h103.4v103.4H0z" />
    <path
      fill="none"
      stroke="#9a9a9a"
      stroke-width="5"
      d="M51.7 92.5V51.7L16.4 31.3l35.3 20.4L87 31.3 51.7 11 16.4 31.3v40.8l35.3 20.4L87 72V31.3L51.7 11"
    />
  </svg>
</template>

<script setup>
const pixelated = ref(false);
const img = ref(null);

defineProps({
  src: {
    type: String,
    default: null,
  },
  alt: {
    type: String,
    default: "",
  },
  size: {
    type: String,
    default: "sm",
    validator(value) {
      return ["xxs", "xs", "sm", "md", "lg"].includes(value);
    },
  },
  circle: {
    type: Boolean,
    default: false,
  },
  noShadow: {
    type: Boolean,
    default: false,
  },
  loading: {
    type: String,
    default: "eager",
  },
  raised: {
    type: Boolean,
    default: false,
  },
});

function updatePixelated() {
  if (img.value && img.value.naturalWidth && img.value.naturalWidth <= 96) {
    pixelated.value = true;
  } else {
    pixelated.value = false;
  }
}
</script>

<style lang="scss" scoped>
.avatar {
  border-radius: var(--size-rounded-icon);
  box-shadow: var(--shadow-inset-lg), var(--shadow-card);
  min-height: var(--size);
  min-width: var(--size);
  max-height: var(--size);
  max-width: var(--size);
  background-color: var(--color-button-bg);
  object-fit: contain;

  &.size-xxs {
    --size: 1.25rem;
    box-shadow: var(--shadow-inset), var(--shadow-card);
    border-radius: var(--size-rounded-sm);
  }

  &.size-xs {
    --size: 2.5rem;
    box-shadow: var(--shadow-inset), var(--shadow-card);
    border-radius: var(--size-rounded-sm);
  }

  &.size-sm {
    --size: 3rem;
    box-shadow: var(--shadow-inset), var(--shadow-card);
    border-radius: var(--size-rounded-sm);
  }

  &.size-md {
    --size: 6rem;
    border-radius: var(--size-rounded-lg);
  }

  &.size-lg {
    --size: 9rem;
    border-radius: var(--size-rounded-lg);
  }

  &.circle {
    border-radius: 50%;
  }

  &.no-shadow {
    box-shadow: none;
  }

  &.pixelated {
    image-rendering: pixelated;
  }

  &.raised {
    background-color: var(--color-raised-bg);
  }
}
</style>
