/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

import React from 'react';
import { Box, Text } from 'ink';
import { Colors } from '../colors.js';
import { useStreamingContext } from '../contexts/StreamingContext.js';
import { StreamingState } from '../types.js';
import { GeminiRespondingSpinner } from './GeminiRespondingSpinner.js';

interface LoadingIndicatorProps {
  currentLoadingPhrase?: string;
  elapsedTime: number;
  rightContent?: React.ReactNode;
}

export const LoadingIndicator: React.FC<LoadingIndicatorProps> = ({
  currentLoadingPhrase,
  elapsedTime,
  rightContent,
}) => {
  const streamingState = useStreamingContext();

  if (streamingState === StreamingState.Idle) {
    return null;
  }

  return (
    <Box marginTop={1} paddingLeft={0}>
      <Box marginRight={1}>
        <GeminiRespondingSpinner
          nonRespondingDisplay={
            streamingState === StreamingState.WaitingForConfirmation ? '⠏' : ''
          }
        />
      </Box>
      {currentLoadingPhrase && (
        <Text color={Colors.AccentPurple}>{currentLoadingPhrase}</Text>
      )}
      <Text color={Colors.SubtleComment}>
        {streamingState === StreamingState.WaitingForConfirmation
          ? ''
          : ` (esc to cancel, ${elapsedTime}s)`}
      </Text>
      <Box flexGrow={1}>{/* Spacer */}</Box>
      {rightContent && <Box>{rightContent}</Box>}
    </Box>
  );
};
