import { Button, Dropdown, MenuItem } from 'react-bootstrap'
import Icon from '../../../shared/components/icon'
import ControlledDropdown from '../../../shared/components/controlled-dropdown'
import { useTranslation } from 'react-i18next'
import { usePdfPreviewContext } from '../contexts/pdf-preview-context'
import { memo, useCallback } from 'react'
import classnames from 'classnames'

function PdfCompileButton() {
  const {
    autoCompile,
    compiling,
    draft,
    hasChanges,
    recompile,
    setAutoCompile,
    setDraft,
    setStopOnValidationError,
    stopCompile,
    stopOnValidationError,
    recompileFromScratch,
  } = usePdfPreviewContext()

  const { t } = useTranslation()

  const compileButtonLabel = compiling ? t('compiling') + '…' : t('recompile')

  const startCompile = useCallback(() => {
    recompile()
  }, [recompile])

  return (
    <ControlledDropdown
      className={classnames({
        'toolbar-item': true,
        'btn-recompile-group': true,
        'btn-recompile-group-has-changes': hasChanges,
      })}
      id="pdf-recompile-dropdown"
    >
      <Button
        className="btn-recompile"
        bsStyle="success"
        onClick={compiling ? stopCompile : startCompile}
        aria-label={compileButtonLabel}
      >
        <Icon type="refresh" spin={compiling} />
        <span className="toolbar-text toolbar-hide-medium toolbar-hide-small">
          {compileButtonLabel}
        </span>
      </Button>

      <Dropdown.Toggle
        aria-label={t('toggle_compile_options_menu')}
        className="btn-recompile"
        bsStyle="success"
      />

      <Dropdown.Menu>
        <MenuItem header>{t('auto_compile')}</MenuItem>

        <MenuItem onSelect={() => setAutoCompile(true)}>
          <Icon type={autoCompile ? 'check' : ''} modifier="fw" />
          {t('on')}
        </MenuItem>

        <MenuItem onSelect={() => setAutoCompile(false)}>
          <Icon type={!autoCompile ? 'check' : ''} modifier="fw" />
          {t('off')}
        </MenuItem>

        <MenuItem header>{t('compile_mode')}</MenuItem>

        <MenuItem onSelect={() => setDraft(false)}>
          <Icon type={!draft ? 'check' : ''} modifier="fw" />
          {t('normal')}
        </MenuItem>

        <MenuItem onSelect={() => setDraft(true)}>
          <Icon type={draft ? 'check' : ''} modifier="fw" />
          {t('fast')} <span className="subdued">[draft]</span>
        </MenuItem>

        <MenuItem header>Syntax Checks</MenuItem>

        <MenuItem onSelect={() => setStopOnValidationError(true)}>
          <Icon type={stopOnValidationError ? 'check' : ''} modifier="fw" />
          {t('stop_on_validation_error')}
        </MenuItem>

        <MenuItem onSelect={() => setStopOnValidationError(false)}>
          <Icon type={!stopOnValidationError ? 'check' : ''} modifier="fw" />
          {t('ignore_validation_errors')}
        </MenuItem>

        <MenuItem divider />

        <MenuItem
          onSelect={stopCompile}
          disabled={!compiling}
          aria-disabled={!compiling}
        >
          {t('stop_compile')}
        </MenuItem>

        <MenuItem
          onSelect={recompileFromScratch}
          disabled={compiling}
          aria-disabled={compiling}
        >
          {t('recompile_from_scratch')}
        </MenuItem>
      </Dropdown.Menu>
    </ControlledDropdown>
  )
}

export default memo(PdfCompileButton)