mcp-prompt-optimizer/lib/clear-cache.js

Professional cloud-based MCP server for AI-powered prompt optimization with intelligent context detection, team collaboration, enterprise-grade features, startup validation, and robust API key management. Universal compatibility with Claude Desktop, Curso

#!/usr/bin/env node

/**
 * Clear Cache Utility for MCP Prompt Optimizer
 * Clears validation cache and provides fresh start
 */

const CloudApiKeyManager = require('./api-key-manager');
const fs = require('fs').promises;
const path = require('path');
const os = require('os');

async function clearCache() {
    console.log('🗑️  MCP Prompt Optimizer - Clear Cache\n');

    const cacheFile = path.join(os.homedir(), '.mcp-cloud-api-cache.json');
    let cacheCleared = false;

    try {
        // Check if cache file exists
        await fs.access(cacheFile);
        
        // Read cache info before clearing
        try {
            const cacheContent = await fs.readFile(cacheFile, 'utf8');
            const cacheData = JSON.parse(cacheContent);
            const cacheAge = Date.now() - cacheData.timestamp;
            const ageHours = Math.floor(cacheAge / (1000 * 60 * 60));
            const ageMinutes = Math.floor((cacheAge % (1000 * 60 * 60)) / (1000 * 60));
            
            console.log('📄 Found cache file:');
            console.log(`   Location: ${cacheFile}`);
            console.log(`   Age: ${ageHours}h ${ageMinutes}m`);
            if (cacheData.data && cacheData.data.tier) {
                console.log(`   Cached tier: ${cacheData.data.tier}`);
            }
        } catch (parseError) {
            console.log('📄 Found cache file (invalid format)');
        }

        // Clear the cache
        await fs.unlink(cacheFile);
        cacheCleared = true;
        console.log('\n✅ Cache cleared successfully');

    } catch (error) {
        if (error.code === 'ENOENT') {
            console.log('📄 No cache file found - nothing to clear');
        } else {
            console.warn(`⚠️  Error accessing cache: ${error.message}`);
        }
    }

    // Also try to clear any additional cache files
    const additionalCaches = [
        path.join(os.homedir(), '.mcp-prompt-optimizer-cache.json'),
        path.join(os.homedir(), '.optimizer-cache.json'),
        path.join(os.homedir(), '.mcp-cache.json')
    ];

    for (const cacheFile of additionalCaches) {
        try {
            await fs.access(cacheFile);
            await fs.unlink(cacheFile);
            console.log(`✅ Cleared additional cache: ${path.basename(cacheFile)}`);
            cacheCleared = true;
        } catch (error) {
            // File doesn't exist, that's fine
        }
    }

    if (cacheCleared) {
        console.log('\n🚀 Cache cleared - next validation will be fresh');
        console.log('\n📝 What this means:');
        console.log('   - API key will be re-validated with backend');
        console.log('   - Fresh quota information will be fetched');
        console.log('   - Any cached errors will be cleared');
        
        console.log('\n🔧 Next Steps:');
        console.log('   1. Test your API key: mcp-prompt-optimizer validate-key');
        console.log('   2. Check status: mcp-prompt-optimizer check-status');
        console.log('   3. Start using: Configure in Claude Desktop');
    } else {
        console.log('\n✨ No cache found - your setup is already clean');
    }

    // Offer to validate immediately
    console.log('\n💡 Want to validate your API key now?');
    console.log('   Run: mcp-prompt-optimizer validate-key');
}

// Run if called directly
if (require.main === module) {
    clearCache().catch(error => {
        console.error(`❌ Error clearing cache: ${error.message}`);
        process.exit(1);
    });
}

module.exports = clearCache;