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/**
* @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 { formatDuration } from '../utils/formatters.js';
import { CumulativeStats } from '../contexts/SessionContext.js';
// --- Constants ---
const COLUMN_WIDTH = '48%';
// --- Prop and Data Structures ---
interface StatsDisplayProps {
stats: CumulativeStats;
lastTurnStats: CumulativeStats;
duration: string;
}
interface FormattedStats {
inputTokens: number;
outputTokens: number;
toolUseTokens: number;
thoughtsTokens: number;
cachedTokens: number;
totalTokens: number;
}
// --- Helper Components ---
/**
* Renders a single row with a colored label on the left and a value on the right.
*/
const StatRow: React.FC<{
label: string;
value: string | number;
valueColor?: string;
}> = ({ label, value, valueColor }) => (
<Box justifyContent="space-between">
<Text color={Colors.LightBlue}>{label}</Text>
<Text color={valueColor}>{value}</Text>
</Box>
);
/**
* Renders a full column for either "Last Turn" or "Cumulative" stats.
*/
const StatsColumn: React.FC<{
title: string;
stats: FormattedStats;
isCumulative?: boolean;
}> = ({ title, stats, isCumulative = false }) => {
const cachedDisplay =
isCumulative && stats.totalTokens > 0
? `${stats.cachedTokens.toLocaleString()} (${((stats.cachedTokens / stats.totalTokens) * 100).toFixed(1)}%)`
: stats.cachedTokens.toLocaleString();
const cachedColor =
isCumulative && stats.cachedTokens > 0 ? Colors.AccentGreen : undefined;
return (
<Box flexDirection="column" width={COLUMN_WIDTH}>
<Text bold>{title}</Text>
<Box marginTop={1} flexDirection="column">
<StatRow
label="Input Tokens"
value={stats.inputTokens.toLocaleString()}
/>
<StatRow
label="Output Tokens"
value={stats.outputTokens.toLocaleString()}
/>
<StatRow
label="Tool Use Tokens"
value={stats.toolUseTokens.toLocaleString()}
/>
<StatRow
label="Thoughts Tokens"
value={stats.thoughtsTokens.toLocaleString()}
/>
<StatRow
label="Cached Tokens"
value={cachedDisplay}
valueColor={cachedColor}
/>
{/* Divider Line */}
<Box
borderTop={true}
borderLeft={false}
borderRight={false}
borderBottom={false}
borderStyle="single"
/>
<StatRow
label="Total Tokens"
value={stats.totalTokens.toLocaleString()}
/>
</Box>
</Box>
);
};
// --- Main Component ---
export const StatsDisplay: React.FC<StatsDisplayProps> = ({
stats,
lastTurnStats,
duration,
}) => {
const lastTurnFormatted: FormattedStats = {
inputTokens: lastTurnStats.promptTokenCount,
outputTokens: lastTurnStats.candidatesTokenCount,
toolUseTokens: lastTurnStats.toolUsePromptTokenCount,
thoughtsTokens: lastTurnStats.thoughtsTokenCount,
cachedTokens: lastTurnStats.cachedContentTokenCount,
totalTokens: lastTurnStats.totalTokenCount,
};
const cumulativeFormatted: FormattedStats = {
inputTokens: stats.promptTokenCount,
outputTokens: stats.candidatesTokenCount,
toolUseTokens: stats.toolUsePromptTokenCount,
thoughtsTokens: stats.thoughtsTokenCount,
cachedTokens: stats.cachedContentTokenCount,
totalTokens: stats.totalTokenCount,
};
return (
<Box
borderStyle="round"
borderColor="gray"
flexDirection="column"
paddingY={1}
paddingX={2}
>
<Text bold color={Colors.AccentPurple}>
Stats
</Text>
<Box flexDirection="row" justifyContent="space-between" marginTop={1}>
<StatsColumn title="Last Turn" stats={lastTurnFormatted} />
<StatsColumn
title={`Cumulative (${stats.turnCount} Turns)`}
stats={cumulativeFormatted}
isCumulative={true}
/>
</Box>
<Box flexDirection="row" justifyContent="space-between" marginTop={1}>
{/* Left column for "Last Turn" duration */}
<Box width={COLUMN_WIDTH} flexDirection="column">
<StatRow
label="Turn Duration (API)"
value={formatDuration(lastTurnStats.apiTimeMs)}
/>
</Box>
{/* Right column for "Cumulative" durations */}
<Box width={COLUMN_WIDTH} flexDirection="column">
<StatRow
label="Total duration (API)"
value={formatDuration(stats.apiTimeMs)}
/>
<StatRow label="Total duration (wall)" value={duration} />
</Box>
</Box>
</Box>
);
};
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