import { ClientConfig } from '@silexlabs/silex/src/ts/client/config'
import { COMMAND_REFRESH, DATA_SOURCE_CHANGED, DATA_SOURCE_ERROR } from '@silexlabs/grapesjs-data-source'

document.querySelector('head')?.insertAdjacentHTML('beforeend', `
  <style>
  .data-source-refresh {
    &.fa-refresh:before {
      content: "\\f021";
      font-weight: 900;
    }
    &.fa-refresh:hover {
      transform: rotate(180deg);
      transition: transform 0.5s;
    }
    &.fa-spinner:before {
      content: "\\f110";
      font-weight: 900;
    }
    &.fa-spinner {
      animation: fa-spin 2s infinite linear;
    }
    &.fa-exclamation-triangle:before {
      content: "\\f071";
      font-weight: 900;
    }
  }
  </style>
`)

const REFRESH_BUTTON_BASE_CLASS = 'fa fa-fw data-source-refresh'

export default function(config: ClientConfig/*, opts: EleventyPluginOptions*/): void {
  config.on('silex:grapesjs:end', () => {
    const editor = config.getEditor()
    editor.Panels.addButton('options', {
      id: 'refresh-data-sources',
      className: `${REFRESH_BUTTON_BASE_CLASS} fa-refresh`,
      command: () => {
        // Refresh all data sources
        editor.runCommand(COMMAND_REFRESH)
        // Change the icon to a loading icon
        const button = editor.Panels.getButton('options', 'refresh-data-sources')
        if (button) {
          button.set('className', `${REFRESH_BUTTON_BASE_CLASS} fa-spinner`)
        }
      },
      togglable: false,
      attributes: { title: 'Refresh data sources' },
    })
    editor.on(DATA_SOURCE_CHANGED, () => {
      const button = editor.Panels.getButton('options', 'refresh-data-sources')
      if (button) {
        button.set('className', `${REFRESH_BUTTON_BASE_CLASS} fa-refresh`)
        button.set('title', 'Refresh data sources')
      }
    })
    editor.on(DATA_SOURCE_ERROR, (error: Error) => {
      console.error('Data source error', error)
      const button = editor.Panels.getButton('options', 'refresh-data-sources')
      if (button) {
        button.set('className', `${REFRESH_BUTTON_BASE_CLASS} fa-exclamation-triangle`)
        button.set('title', 'Error refreshing data sources, check the notifications')
      }
    })
  })
}