import { readFileSync, writeFileSync, readdirSync, statSync } from 'fs';
import { join, dirname } from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

// Paths
const DOCS_DIR = join(__dirname, '../docs/en/user-guide');
const OUTPUT_FILE = join(__dirname, '../api/src/lib/setup-knowledge.generated.ts');

function buildSetupKnowledge() {
    console.log('Building setup knowledge base...');

    try {
        const files = readdirSync(DOCS_DIR).filter(f => f.endsWith('.md'));
        const knowledge: Record<string, string> = {};

        for (const file of files) {
            const content = readFileSync(join(DOCS_DIR, file), 'utf-8');
            // Store content mapped by filename (e.g. 'GETTING-STARTED.md')
            knowledge[file] = content;
        }

        const outputContent = `// Auto-generated by scripts/build-setup-knowledge.ts
// Do not edit manually

export const SETUP_KNOWLEDGE: Record<string, string> = ${JSON.stringify(knowledge, null, 4)};
`;

        writeFileSync(OUTPUT_FILE, outputContent);
        console.log(`Successfully generated ${OUTPUT_FILE} with ${Object.keys(knowledge).length} documents.`);

    } catch (error) {
        console.error('Failed to build setup knowledge:', error);
        process.exit(1);
    }
}

buildSetupKnowledge();