/**
 * Renders a context-compaction summary with collapsed/expanded toggle.
 *
 * Collapsed: shows token count and a keybinding hint to expand.
 * Expanded: renders the full compaction summary as markdown.
 */
import { Box, Markdown, Spacer, Text } from '../../../tui/index.js';
import { theme } from '../../theme/runtime.js';
import { getMarkdownTheme } from '../../theme/theme.js';
import { editorKey } from '../primitives/keybinding-hints.js';
/**
 * Component that renders a compaction message with collapsed/expanded state.
 * Uses same background color as custom messages for visual consistency.
 */
export class CompactionSummaryMessageComponent extends Box {
    expanded = false;
    message;
    markdownTheme;
    constructor(message, markdownTheme = getMarkdownTheme()) {
        super(1, 1, (t) => theme.bg('customMessageBg', t));
        this.message = message;
        this.markdownTheme = markdownTheme;
        this.updateDisplay();
    }
    setExpanded(expanded) {
        this.expanded = expanded;
        this.updateDisplay();
    }
    invalidate() {
        super.invalidate();
        this.updateDisplay();
    }
    updateDisplay() {
        this.clear();
        const tokenStr = (this.message.details?.tokensBefore ?? 0).toLocaleString();
        const label = theme.fg('customMessageLabel', `\x1b[1m[compaction]\x1b[22m`);
        this.addChild(new Text(label, 0, 0));
        this.addChild(new Spacer(1));
        const summary = typeof this.message.content === 'string'
            ? this.message.content
            : this.message.content
                .filter((block) => block.type === 'text')
                .map((block) => block.text)
                .join('\n');
        if (this.expanded) {
            const header = `**Compacted from ${tokenStr} tokens**\n\n`;
            this.addChild(new Markdown(header + summary, 0, 0, this.markdownTheme, {
                color: (text) => theme.fg('customMessageText', text)
            }));
        }
        else {
            this.addChild(new Text(theme.fg('customMessageText', `Compacted from ${tokenStr} tokens (`) +
                theme.fg('dim', editorKey('expandTools')) +
                theme.fg('customMessageText', ' to expand)'), 0, 0));
        }
    }
}
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