import { Component, Editor } from 'grapesjs'
import { ClientConfig } from '../../config'

export default function(editor: Editor/*, opts: EleventyPluginOptions*/): void {
  // **
  // Shortcode
  editor.BlockManager.add('eleventy-shortcode', {
    label: 'Shortcode',
    category: 'Eleventy',
    content: { type: 'eleventy-shortcode' },
    media: '<span style="font-size: 50px;">{%</span>',
  })
  editor.DomComponents.addType('eleventy-shortcode', {
    model: {
      defaults: {
        traits: [{
          type: 'shortcode-name',
          label: 'Shortcode name',
          name: 'shortcode_name',
          placeholder: 'shortcode_name',
        }, {
          type: 'shortcode-attributes',
          label: 'Shortcode attributes',
          name: 'shortcode_attributes',
          placeholder: 'param1, "example param 2"',
        }],
      },
      init() {
        let pending = false
        editor.on('component:add component:remove component:mount', model => {
          if (pending) return
          setTimeout(() => {
            // FIXME: why do we need a timeout?
            if (model.parent() === this || model === this) {
              pending = true
              updateShortcode(this)
              pending = false
            }
          }, 500)
        })
      },
    },
  })
  function updateShortcode(component: Component) {
    const { shortcode_attributes, shortcode_name } = component.get('attributes')
    const componentsToKeep = component.components()
      .filter(c => c.view?.el?.nodeType === 1)
    if (componentsToKeep.length) {
      // Paired shortcode
      component.components(`
        {% ${shortcode_name} ${shortcode_attributes ?? ''} %}
        <div class="replace_content"></div>
        {% end${shortcode_name} %}
        `)
      const replaceContentDiv = component.components().find(c => c.getClasses().includes('replace_content'))
      if (!replaceContentDiv) {
        console.error('No replace_content found', { component, componentsToKeep })
        return
      }
      replaceContentDiv.replaceWith(componentsToKeep)
    } else {
      component.components(`
        {% ${shortcode_name} ${shortcode_attributes ?? ''} %}
        `)
    }
  }
  editor.TraitManager.addType('shortcode-name', {
    onEvent({ component }) {
      updateShortcode(component)
    },
  })
  editor.TraitManager.addType('shortcode-attributes', {
    onEvent({ component }) {
      updateShortcode(component)
    },
  })
  // **
  // Select element
  editor.BlockManager.add('eleventy-select', {
    label: 'select',
    category: 'Eleventy',
    media: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M22 9c0-.6-.5-1-1.3-1H3.4C2.5 8 2 8.4 2 9v6c0 .6.5 1 1.3 1h17.4c.8 0 1.3-.4 1.3-1V9zm-1 6H3V9h18v6z"></path><path d="M18.5 13l1.5-2h-3zM4 11.5h11v1H4z"></path></svg>',
    content: { type: 'eleventy-select' },
  })
  editor.DomComponents.addType('eleventy-select', {
    model: {
      defaults: {
        tagName: 'select',
        droppable: true,
        // // Prevent the drop down from opening on click
        // script: function() {
        //   this.addEventListener('mousedown', event => {
        //     event.preventDefault()
        //   })
        // },
      },
    },
  })
  // **
  // Option element
  editor.BlockManager.add('eleventy-option', {
    label: 'option',
    category: 'Eleventy',
    media: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>',
    content: { type: 'eleventy-option' },
  })
  editor.DomComponents.addType('eleventy-option', {
    model: {
      defaults: {
        tagName: 'option',
        droppable: false,
        //draggable: 'select, optgroup', // Sometimes we need a container between the select and the option to have states inside the loop
        traits: [
          {
            type: 'text',
            label: 'Value',
            name: 'value',
            placeholder: 'Value',
          },
        ],
      },
    },
  })
}