nitp-build-tools/scripts/post-install.js

Official build system for NIT Patna's backend services - A powerful Maven-based build automation tool with cross-platform support

/**
 * NITP Build Tools - Post Install Script
 * 
 * This script runs after npm installation to set up the build environment
 * and verify system requirements.
 * 
 * Created by: Ashish Kumar (https://github.com/ashishkr375)
 */

const fs = require('fs');
const path = require('path');
const { exec } = require('child_process');
const chalk = require('chalk');
const os = require('os');

// ASCII Art for installation
const INSTALL_BANNER = `
${chalk.cyan('╔══════════════════════════════════════════════════════════════╗')}
${chalk.cyan('║')}        ${chalk.bold.green('NITP Build Tools - Installation Complete')}        ${chalk.cyan('║')}
${chalk.cyan('║')}                                                              ${chalk.cyan('║')}
${chalk.cyan('║')}    ${chalk.yellow('🎉 Welcome to NIT Patna Build System! 🎉')}            ${chalk.cyan('║')}
${chalk.cyan('║')}                                                              ${chalk.cyan('║')}
${chalk.cyan('║')}    ${chalk.blue('Created by:')} ${chalk.white('Ashish Kumar')}                           ${chalk.cyan('║')}
${chalk.cyan('║')}    ${chalk.blue('GitHub:')} ${chalk.underline.white('https://github.com/ashishkr375')}           ${chalk.cyan('║')}
${chalk.cyan('║')}    ${chalk.blue('LinkedIn:')} ${chalk.underline.white('https://www.linkedin.com/in/ashish-kumar-nitp/')} ${chalk.cyan('║')}
${chalk.cyan('╚══════════════════════════════════════════════════════════════╝')}
`;

console.log(INSTALL_BANNER);

// System information
const systemInfo = {
    platform: os.platform(),
    arch: os.arch(),
    nodeVersion: process.version,
    npmVersion: null,
    javaVersion: null,
    mavenVersion: null
};

// Utility functions
const utils = {
    // Execute command and return result
    async execCommand(command) {
        return new Promise((resolve) => {
            exec(command, { timeout: 5000 }, (error, stdout, stderr) => {
                resolve({
                    success: !error,
                    output: stdout || stderr,
                    error: error
                });
            });
        });
    },

    // Check and get version
    async checkVersion(command, regex) {
        const result = await this.execCommand(command);
        if (result.success && result.output) {
            const match = result.output.match(regex);
            return match ? match[1] : 'Unknown';
        }
        return null;
    },

    // Print status with icon
    printStatus(name, status, version = null, warning = null) {
        const icon = status ? '✅' : '❌';
        const color = status ? chalk.green : chalk.red;
        const versionText = version ? ` (${version})` : '';
        
        console.log(`${icon} ${color(name)}${versionText}`);
        
        if (warning) {
            console.log(`   ${chalk.yellow('⚠️  ' + warning)}`);
        }
    }
};

async function runPostInstall() {
    console.log(chalk.cyan('🔧 Setting up NITP Build Tools...\n'));

    // Make nitp-build executable (Unix systems)
    const nitpBuildPath = path.join(__dirname, '../bin/nitp-build');
    try {
        if (os.platform() !== 'win32') {
            fs.chmodSync(nitpBuildPath, '755');
            console.log(chalk.green('✅ Made nitp-build executable'));
        }
    } catch (error) {
        console.warn(chalk.yellow('⚠️  Could not make nitp-build executable:'), error.message);
    }

    console.log(chalk.cyan('\n📋 Checking system requirements...\n'));

    // Check npm version
    systemInfo.npmVersion = await utils.checkVersion('npm -v', /^(.+)$/);
    
    // Check Java
    systemInfo.javaVersion = await utils.checkVersion('java -version', /version "(.+?)"/);
    
    // Check Maven
    systemInfo.mavenVersion = await utils.checkVersion('mvn -v', /Apache Maven ([\d.]+)/);

    // Display results
    console.log(chalk.blue('System Information:'));
    console.log(chalk.blue('─'.repeat(40)));
    
    utils.printStatus('Node.js', true, systemInfo.nodeVersion);
    utils.printStatus('npm', systemInfo.npmVersion !== null, systemInfo.npmVersion);
    
    const javaOk = systemInfo.javaVersion !== null;
    const javaWarning = !javaOk ? 'Please install Java 17+ from https://adoptium.net/' : null;
    utils.printStatus('Java', javaOk, systemInfo.javaVersion, javaWarning);
    
    const mavenOk = systemInfo.mavenVersion !== null;
    const mavenWarning = !mavenOk ? 'Please install Maven 3.8+ from https://maven.apache.org/' : null;
    utils.printStatus('Maven', mavenOk, systemInfo.mavenVersion, mavenWarning);

    // Platform-specific setup
    console.log(chalk.cyan('\n🌍 Platform-specific setup...\n'));
    
    if (systemInfo.platform === 'win32') {
        console.log(chalk.blue('Windows detected:'));
        console.log('  • Use Command Prompt, PowerShell, or Git Bash');
        console.log('  • Ensure Java and Maven are in your PATH');
        console.log('  • You may need to restart your terminal');
    } else if (systemInfo.platform === 'darwin') {
        console.log(chalk.blue('macOS detected:'));
        console.log('  • You may need to install Java via Homebrew: brew install openjdk@17');
        console.log('  • Maven can be installed via: brew install maven');
    } else {
        console.log(chalk.blue('Linux detected:'));
        console.log('  • Use your package manager to install Java and Maven');
        console.log('  • Ubuntu/Debian: sudo apt install openjdk-17-jdk maven');
        console.log('  • RHEL/CentOS: sudo yum install java-17-openjdk maven');
    }

    // Quick start guide
    console.log(chalk.cyan('\n🚀 Quick Start Guide:\n'));
    
    const commands = [
        { cmd: 'nitp-build --help', desc: 'Show all available commands' },
        { cmd: 'nitp-build doctor', desc: 'Check system health' },
        { cmd: 'nitp-build info', desc: 'Show system information' },
        { cmd: 'nitp-build build', desc: 'Full build with tests' },
        { cmd: 'nitp-build test', desc: 'Run tests with coverage' },
        { cmd: 'nitp-build start:admin', desc: 'Start Admin API server' }
    ];

    commands.forEach(({ cmd, desc }) => {
        console.log(`  ${chalk.green(cmd.padEnd(25))} ${chalk.gray(desc)}`);
    });

    // Configuration info
    console.log(chalk.cyan('\n⚙️  Configuration:\n'));
    console.log(`  ${chalk.blue('Config file:')} lib/nitp-build-v2.json`);
    console.log(`  ${chalk.blue('Available environments:')} dev, test, prod`);
    console.log(`  ${chalk.blue('Available modules:')} core, admin, tnp, all`);

    // Final message
    const allGood = systemInfo.javaVersion && systemInfo.mavenVersion;
    
    console.log(chalk.cyan('\n' + '═'.repeat(60)));
    
    if (allGood) {
        console.log(chalk.green('🎉 Installation completed successfully!'));
        console.log(chalk.green('   Your system is ready to use NITP Build Tools.'));
        console.log(chalk.cyan('\n💡 Tip: Start with "nitp-build doctor" to verify everything is working.'));
    } else {
        console.log(chalk.yellow('⚠️  Installation completed with warnings.'));
        console.log(chalk.yellow('   Please install missing dependencies before using the build system.'));
        console.log(chalk.cyan('\n💡 Run "nitp-build doctor" after installing dependencies.'));
    }

    console.log(chalk.cyan('\n📚 Documentation: https://github.com/ashishkr375/adminportal_updated_new'));
    console.log(chalk.cyan('🐛 Report Issues: https://github.com/ashishkr375/adminportal_updated_new/issues'));
    console.log(chalk.cyan('👨‍💻 Developer: Ashish Kumar (https://github.com/ashishkr375)'));
    
    console.log(chalk.cyan('\n' + '═'.repeat(60) + '\n'));
}

// Run the post-install setup
runPostInstall().catch((error) => {
    console.error(chalk.red('Error during post-install setup:'), error);
    process.exit(1);
});