<template>
  <transition name="fade">
    <div v-if="props.visible" class="code-modal" @click.self="emit('close')">
      <div class="code-box">
        <div class="code-header">
          <div class="title">{{ t('text.codeModalTitle') }}</div>

          <div class="close-btn" @click="emit('close')">
            <img :src="IconClose" class="icon-close" :alt="t('action.close')" />
          </div>
        </div>

        <div class="code-content-box">
          <PerfectScrollbar
            class="code-scroll-wrapper"
            :options="{ suppressScrollX: false }"
          >
            <pre><code class="code-content" v-html="highlightedCode"></code></pre>
          </PerfectScrollbar>

          <button
            id="copy-code-btn"
            class="copy-btn"
            :class="{ copied: copied }"
            :data-clipboard-text="codeJSON"
          >
            {{ copied ? t('action.copied') : t('action.copyCode') }}
          </button>
        </div>
      </div>
    </div>
  </transition>
</template>

<script lang="ts" setup>
import ClipboardJS from 'clipboard'
import { computed, onMounted, onUnmounted, ref, watchEffect } from 'vue'
import { useI18n } from 'vue-i18n'

import IconClose from '@/assets/icons/icon-close.svg'
import PerfectScrollbar from '@/components/PerfectScrollbar.vue'
import { useAvatarOption } from '@/hooks'
import { highlightJSON } from '@/utils'

const props = defineProps<{ visible?: boolean }>()

const emit = defineEmits<{
  (e: 'close'): void
}>()

const { t } = useI18n()

const [avatarOption] = useAvatarOption()

const codeJSON = computed(() => JSON.stringify(avatarOption.value, null, 4))

const highlightedCode = ref('')

watchEffect(() => {
  if (codeJSON.value) {
    highlightedCode.value = highlightJSON(codeJSON.value)
  }
})

const copied = ref(false)

let clipboard: ClipboardJS

onMounted(() => {
  clipboard = new ClipboardJS('#copy-code-btn')

  clipboard.on('success', (e) => {
    copied.value = true

    setTimeout(() => {
      copied.value = false
    }, 800)

    e.clearSelection()
  })
})

onUnmounted(() => {
  clipboard.destroy()
})
</script>

<style lang="scss" scoped>
.code-modal {
  position: fixed;
  bottom: 0;
  left: 50%;
  z-index: 999;
  width: 100%;
  height: 100%;
  padding: 2rem 0;
  overflow: hidden;
  transform: translate(-50%, 0);

  @supports (backdrop-filter: blur(0.1rem)) {
    backdrop-filter: blur(0.1rem);
  }
}

.code-box {
  $code-header-height: 4rem;
  $code-box-side-padding-normal: 2rem;
  $code-box-side-padding-small: 1rem;
  position: relative;
  width: 75%;
  max-width: 800px;
  height: 100%;
  margin: 0 auto;
  padding: $code-header-height $code-box-side-padding-normal 2.5rem
    $code-box-side-padding-normal;
  background-color: lighten($color-dark, 3);
  border-radius: 1rem;
  transition: width 0.2s;

  @media screen and (max-width: 1200px) {
    width: 75%;
  }

  @media screen and (max-width: $screen-md) {
    width: 80%;
  }

  @media screen and (max-width: $screen-sm) {
    width: 90%;
    padding: $code-header-height $code-box-side-padding-small 2.5rem
      $code-box-side-padding-small;

    .code-header {
      padding: 0 $code-box-side-padding-small;
    }
  }

  .code-header {
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    width: 100%;
    height: $code-header-height;
    padding: 0 $code-box-side-padding-normal;

    .title {
      font-weight: bold;
    }

    .close-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 2rem;
      height: 2rem;
      margin-left: auto;
      background-color: lighten($color-dark, 8);
      border-radius: 50%;
      cursor: pointer;

      .icon-close {
        width: 45%;
        opacity: 0.6;
        transition: opacity 0.2s;
      }

      &:hover {
        .icon-close {
          opacity: 1;
        }
      }
    }
  }

  .code-content-box {
    position: relative;
    height: 20rem;
    height: 100%;
    padding: 1rem 0;
    background: darken($color-dark, 1);
    border-radius: 0.8rem;

    .code-scroll-wrapper {
      height: 100%;
    }

    .copy-btn {
      position: absolute;
      top: 100%;
      left: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 5rem;
      height: 2rem;
      color: #fff;
      background-color: $color-accent;
      border-radius: 0.4rem;
      transform: translate(-50%, -45%);
      cursor: pointer;
      transition: color 0.15s, background-color 0.15s;

      &.copied {
        color: $color-dark;
        background-color: $color-secondary;
      }
    }
  }
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.25s ease, transform 0.25s;
}

.fade-enter-from,
.fade-leave-to {
  transform: translate(-50%, 2rem);
  opacity: 0;
}
</style>

<style lang="scss">
.code-content {
  display: block;
  padding: 0 1.5rem;
  color: #c0c5ce;
  color: #81cfef;
  font-size: 1.25rem;
  font-family: 'Ubuntu Mono', Fallback;
  line-height: 1.4;

  @media screen and (max-width: $screen-sm) {
    padding: 0 1rem;
    font-size: 1rem;
  }

  & > .token {
    &.key {
      color: #ffcb6b;
    }

    &.string,
    &.number {
      color: #c3e88d;
    }
  }
}
</style>
