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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import React, { useState, useMemo } from 'react';
import { Box, Text } from 'ink';
import { StreamingState, type HistoryItem } from './types.js';
import { useGeminiStream } from './hooks/useGeminiStream.js';
import { useLoadingIndicator } from './hooks/useLoadingIndicator.js';
import { useInputHistory } from './hooks/useInputHistory.js';
import { Header } from './components/Header.js';
import { HistoryDisplay } from './components/HistoryDisplay.js';
import { LoadingIndicator } from './components/LoadingIndicator.js';
import { InputPrompt } from './components/InputPrompt.js';
import { Footer } from './components/Footer.js';
import { ITermDetectionWarning } from './utils/itermDetection.js';
import {
useStartupWarnings,
useInitializationErrorEffect,
} from './hooks/useAppEffects.js';
import { shortenPath, type Config } from '@gemini-code/server';
import { Colors } from './colors.js';
interface AppProps {
config: Config;
}
export const App = ({ config }: AppProps) => {
// Destructured prop
const [history, setHistory] = useState<HistoryItem[]>([]);
const [startupWarnings, setStartupWarnings] = useState<string[]>([]);
const { streamingState, submitQuery, initError, debugMessage } =
useGeminiStream(setHistory, config);
const { elapsedTime, currentLoadingPhrase } =
useLoadingIndicator(streamingState);
useStartupWarnings(setStartupWarnings);
useInitializationErrorEffect(initError, history, setHistory);
const userMessages = useMemo(
() =>
history
.filter(
(item): item is HistoryItem & { type: 'user'; text: string } =>
item.type === 'user' &&
typeof item.text === 'string' &&
item.text.trim() !== '',
)
.map((item) => item.text),
[history],
);
const isInputActive = streamingState === StreamingState.Idle && !initError;
const { query, handleSubmit: handleHistorySubmit } = useInputHistory({
userMessages,
onSubmit: submitQuery,
isActive: isInputActive,
});
return (
<Box flexDirection="column" marginBottom={1} width="100%">
<Header />
{startupWarnings.length > 0 && (
<Box
borderStyle="round"
borderColor={Colors.AccentYellow}
paddingX={1}
marginY={1}
flexDirection="column"
>
{startupWarnings.map((warning, index) => (
<Text key={index} color={Colors.AccentYellow}>
{warning}
</Text>
))}
</Box>
)}
{initError && streamingState !== StreamingState.Responding && (
<Box
borderStyle="round"
borderColor={Colors.AccentRed}
paddingX={1}
marginBottom={1}
>
{history.find(
(item) => item.type === 'error' && item.text?.includes(initError),
)?.text ? (
<Text color={Colors.AccentRed}>
{
history.find(
(item) =>
item.type === 'error' && item.text?.includes(initError),
)?.text
}
</Text>
) : (
<>
<Text color={Colors.AccentRed}>
Initialization Error: {initError}
</Text>
<Text color={Colors.AccentRed}>
{' '}
Please check API key and configuration.
</Text>
</>
)}
</Box>
)}
<Box flexDirection="column">
<HistoryDisplay history={history} onSubmit={submitQuery} />
<LoadingIndicator
isLoading={streamingState === StreamingState.Responding}
currentLoadingPhrase={currentLoadingPhrase}
elapsedTime={elapsedTime}
/>
</Box>
{isInputActive && (
<>
<Box>
<Text color={Colors.SubtleComment}>cwd: </Text>
<Text color={Colors.LightBlue}>
{shortenPath(config.getTargetDir(), /*maxLength*/ 70)}
</Text>
</Box>
<InputPrompt onSubmit={handleHistorySubmit} />
</>
)}
<Footer
config={config}
queryLength={query.length}
debugMode={config.getDebugMode()}
debugMessage={debugMessage}
/>
<ITermDetectionWarning />
</Box>
);
};
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