import { css } from '@emotion/css';
import React, { useMemo, useState } from 'react';

import { HorizontalGroup, Icon, IconButton, Tooltip, useTheme2 } from '@grafana/ui';

import { QueryValidator, QueryValidatorProps } from './QueryValidator';

interface QueryToolboxProps extends Omit<QueryValidatorProps, 'onValidate'> {
  showTools?: boolean;
  isExpanded?: boolean;
  onFormatCode?: () => void;
  onExpand?: (expand: boolean) => void;
  onValidate?: (isValid: boolean) => void;
}

export function QueryToolbox({ showTools, onFormatCode, onExpand, isExpanded, ...validatorProps }: QueryToolboxProps) {
  const theme = useTheme2();
  const [validationResult, setValidationResult] = useState<boolean>();

  const styles = useMemo(() => {
    return {
      container: css`
        border: 1px solid ${theme.colors.border.medium};
        border-top: none;
        padding: ${theme.spacing(0.5, 0.5, 0.5, 0.5)};
        display: flex;
        flex-grow: 1;
        justify-content: space-between;
        font-size: ${theme.typography.bodySmall.fontSize};
      `,
      error: css`
        color: ${theme.colors.error.text};
        font-size: ${theme.typography.bodySmall.fontSize};
        font-family: ${theme.typography.fontFamilyMonospace};
      `,
      valid: css`
        color: ${theme.colors.success.text};
      `,
      info: css`
        color: ${theme.colors.text.secondary};
      `,
      hint: css`
        color: ${theme.colors.text.disabled};
        white-space: nowrap;
        cursor: help;
      `,
    };
  }, [theme]);

  let style = {};

  if (!showTools && validationResult === undefined) {
    style = { height: 0, padding: 0, visibility: 'hidden' };
  }

  return (
    <div className={styles.container} style={style}>
      <div>
        {validatorProps.onValidate && (
          <QueryValidator
            {...validatorProps}
            onValidate={(result: boolean) => {
              setValidationResult(result);
              validatorProps.onValidate!(result);
            }}
          />
        )}
      </div>
      {showTools && (
        <div>
          <HorizontalGroup spacing="sm">
            {onFormatCode && (
              <IconButton onClick={onFormatCode} name="brackets-curly" size="xs" tooltip="Format query" />
            )}
            {onExpand && (
              <IconButton
                onClick={() => onExpand(!isExpanded)}
                name={isExpanded ? 'angle-up' : 'angle-down'}
                size="xs"
                tooltip={isExpanded ? 'Collapse editor' : 'Expand editor'}
              />
            )}
            <Tooltip content="Hit CTRL/CMD+Return to run query">
              <Icon className={styles.hint} name="keyboard" />
            </Tooltip>
          </HorizontalGroup>
        </div>
      )}
    </div>
  );
}