<template>
  <div v-if="editor" class="container">
    <div class="control-group">
      <div class="button-group">
        <button class="button" @click="setContent">
          Set content
        </button>
        <button class="button" @click="clearContent">
          Clear content
        </button>
        <button @click="editor.chain().focus().toggleBold().run()" :class="{ 'is-active': editor.isActive('bold') }">
          Bold
        </button>
        <button @click="editor.chain().focus().toggleItalic().run()" :class="{ 'is-active': editor.isActive('italic') }">
          Italic
        </button>
      </div>
    </div>

    <editor-content :editor="editor" />

    <div class="output-group">
      <label>HTML</label>
      <pre><code>{{ html }}</code></pre>
    </div>
  </div>
</template>

<script>
import StarterKit from '@tiptap/starter-kit'
import { Editor, EditorContent } from '@tiptap/vue-3'

export default {
  components: {
    EditorContent,
  },

  data() {
    return {
      editor: null,
      html: null,
    }
  },

  mounted() {
    this.editor = new Editor({
      content: `
        <p>
          Wow, this editor instance exports its content as HTML.
        </p>
      `,
      extensions: [
        StarterKit,
      ],
    })

    // Get the initial content …
    this.html = this.editor.getHTML()

    // … and get the content after every change.
    this.editor.on('update', () => {
      this.html = this.editor.getHTML()
    })
  },

  methods: {
    setContent() {
      // You can pass a HTML document to the editor.
      this.editor.commands.setContent(`
        <p>
          It’s 19871. You can’t turn on a radio, or go to a mall without hearing Olivia Newton-John’s hit song, Physical.
        </p>
      `, true)

      // It’s likely that you’d like to focus the Editor after most commands.
      this.editor.commands.focus()
    },

    clearContent() {
      this.editor
        .chain()
        .clearContent(true)
        .focus()
        .run()
    },
  },

  beforeUnmount() {
    this.editor.destroy()
  },
}
</script>

<style lang="scss">
/* Basic editor styles */
.tiptap {
  :first-child {
    margin-top: 0;
  }

  /* List styles */
  ul,
  ol {
    padding: 0 1rem;
    margin: 1.25rem 1rem 1.25rem 0.4rem;

    li p {
      margin-top: 0.25em;
      margin-bottom: 0.25em;
    }
  }

  /* Heading styles */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    line-height: 1.1;
    margin-top: 2.5rem;
    text-wrap: pretty;
  }

  h1,
  h2 {
    margin-top: 3.5rem;
    margin-bottom: 1.5rem;
  }

  h1 {
    font-size: 1.4rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  h4,
  h5,
  h6 {
    font-size: 1rem;
  }

  /* Code and preformatted text styles */
  code {
    background-color: var(--purple-light);
    border-radius: 0.4rem;
    color: var(--black);
    font-size: 0.85rem;
    padding: 0.25em 0.3em;
  }

  pre {
    background: var(--black);
    border-radius: 0.5rem;
    color: var(--white);
    font-family: 'JetBrainsMono', monospace;
    margin: 1.5rem 0;
    padding: 0.75rem 1rem;

    code {
      background: none;
      color: inherit;
      font-size: 0.8rem;
      padding: 0;
    }
  }

  blockquote {
    border-left: 3px solid var(--gray-3);
    margin: 1.5rem 0;
    padding-left: 1rem;
  }

  hr {
    border: none;
    border-top: 1px solid var(--gray-2);
    margin: 2rem 0;
  }
}
</style>
