<template>
  <main class="agreement-preview-page">
    <section class="agreement-preview-card">
      <article class="agreement-content">
        <p
          v-for="(paragraph, index) in currentDoc.paragraphs"
          :key="`${paragraph.slice(0, 12)}-${index}`"
          class="agreement-paragraph"
          :class="{
            'agreement-paragraph--heading': isHeadingParagraph(paragraph),
            'agreement-paragraph--sub': isSubParagraph(paragraph)
          }"
          v-html="paragraph"
        />
      </article>
    </section>
  </main>
</template> 

<script>
import docs from './agreementDocs'

export default {
  name: 'AgreementPreview',
  computed: {
    currentDoc() {
      return docs[this.$route.params.type] || docs.user
    }
  },
  methods: {
    isHeadingParagraph(paragraph) {
      return /^<strong>[^<]+<\/strong>$/.test(String(paragraph || '').trim())
    },
    isSubParagraph(paragraph) {
      const text = String(paragraph || '').trim()
      return /^(?:\d+\.\d+\.|\d+\.\s|[0-9]+\.\s)/.test(text.replace(/<[^>]+>/g, ''))
    }
  }
}
</script>

<style scoped lang="scss">
.agreement-preview-page {
  height: 100vh;
  min-height: 100vh;
  padding: 48px 24px 64px;
  overflow-y: auto;
  color: #111827;
  background: #fff;
  box-sizing: border-box;
}

.agreement-preview-card {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 0;
}

.agreement-content {
  color: #374151;
  font-size: 15px;
  line-height: 1.9;
}

.agreement-content p {
  margin: 0 0 14px;
  white-space: pre-wrap;
}

.agreement-content p.agreement-paragraph--heading {
  margin-top: 6px;
  margin-bottom: 10px;
  color: #0f172a;
  font-weight: 700;
}

.agreement-content p.agreement-paragraph--sub {
  padding-left: 1.25em;
  margin-bottom: 10px;
}

::v-deep .agreement-content strong {
  color: #0f172a;
  font-weight: 700;
}

.agreement-content p:first-child {
  color: #0f172a;
  font-size: 20px;
  font-weight: 800;
}

.agreement-content p:first-child ::v-deep strong {
  font-size: inherit;
  font-weight: inherit;
}

@media (max-width: 640px) {
  .agreement-preview-page {
    padding: 28px 16px 36px;
  }
}
</style>
