#!/usr/bin/env node
/**
 * Chahuadev Framework - Distribution Package Builder
 * Copies built outputs to packages/@chahuadev distribution folders
 * 
 * Structure:
 * - packages/@chahuadev/framework-win32-x64/
 * - packages/@chahuadev/framework-win32-ia32/
 * - packages/@chahuadev/chahuadev-framework-linux/
 */

const fs = require('fs-extra');
const path = require('path');
const { execSync } = require('child_process');

const VERSION = '1.0.0';
const PROJECT_ROOT = __dirname;
const DIST_DIR = path.join(PROJECT_ROOT, 'dist', `Chahuadev Framework-${VERSION}`);
const PACKAGES_DIR = path.join(PROJECT_ROOT, 'packages', '@chahuadev');

console.log('\n╔════════════════════════════════════════════════════════════╗');
console.log('║    Chahuadev Framework - Distribution Package Builder       ║');
console.log('╚════════════════════════════════════════════════════════════╝\n');

// Verify dist folder exists
if (!fs.existsSync(DIST_DIR)) {
    console.error('❌ dist/ folder not found!');
    console.error(`   Run: npm run build:all`);
    process.exit(1);
}

console.log('[1/5] Scanning build outputs...\n');

// Define distribution packages
const distributions = {
    'framework-win32-x64': {
        type: 'Windows 64-bit',
        target: path.join(PACKAGES_DIR, 'framework-win32-x64'),
        files: [
            { match: /Portable.*\.exe$/, desc: 'Portable EXE (Recommended)', priority: 1 },
            { match: /-win-x64\.exe$/, desc: 'EXE Installer', priority: 2 },
            { match: /-win-x64\.msi$/, desc: 'MSI Installer', priority: 3 }
        ]
    },
    'framework-win32-ia32': {
        type: 'Windows 32-bit',
        target: path.join(PACKAGES_DIR, 'framework-win32-ia32'),
        files: [
            { match: /Portable.*\.exe$/, desc: 'Portable EXE (Recommended)', priority: 1 },
            { match: /-win-ia32\.exe$/, desc: 'EXE Installer', priority: 2 },
            { match: /-win-ia32\.msi$/, desc: 'MSI Installer', priority: 3 }
        ]
    },
    'framework-linux-x64': {
        type: 'Linux 64-bit',
        target: path.join(PACKAGES_DIR, 'framework-linux-x64'),
        files: [
            { match: /\.AppImage$/, desc: 'AppImage', priority: 1 }
        ]
    }
};

// Find files in dist
function findFiles(pattern) {
    const files = fs.readdirSync(DIST_DIR);
    return files.filter(f => pattern.test(f)).map(f => path.join(DIST_DIR, f));
}

// Copy files to distribution packages
let totalCopied = 0;

Object.entries(distributions).forEach(([pkgName, config], index) => {
    const stepNum = index + 2;
    console.log(`[${stepNum}/5] Processing ${config.type}...`);
    
    // Create target directory
    fs.ensureDirSync(config.target);
    
    // Copy files
    let copiedCount = 0;
    config.files.forEach(({ match, desc }) => {
        const foundFiles = findFiles(match);
        
        if (foundFiles.length === 0) {
            console.log(`       ⚠️  No ${desc} found`);
            return;
        }
        
        foundFiles.forEach(file => {
            const filename = path.basename(file);
            const size = (fs.statSync(file).size / (1024 * 1024)).toFixed(2);
            
            // Create subdirectory for binaries
            const binDir = path.join(config.target, 'bin');
            fs.ensureDirSync(binDir);
            const targetPath = path.join(binDir, filename);
            
            fs.copyFileSync(file, targetPath);
            console.log(`       ✓ ${filename} (${size} MB)`);
            
            copiedCount++;
            totalCopied++;
        });
    });
    
    if (copiedCount === 0) {
        console.log(`       ℹ️  No files copied for ${config.type}`);
    }
    console.log('');
});

// Step 5: Create package.json for each distribution
console.log('[5/5] Creating package manifests...\n');

const templatePackageJson = {
    name: '',
    version: VERSION,
    description: 'Chahuadev Framework - Ready-to-use Distribution',
    main: 'bin/index.js',
    homepage: 'https://github.com/chahuadev/chahuadev-framework',
    repository: {
        type: 'git',
        url: 'https://github.com/chahuadev/chahuadev-framework'
    },
    license: 'MIT',
    author: 'Chahua Development Thailand'
};

const packageConfigs = {
    'framework-win32-x64': {
        ...templatePackageJson,
        name: '@chahuadev/framework-win32-x64',
        description: 'Chahuadev Framework - Windows 64-bit Ready-to-use Distribution',
        os: ['win32'],
        cpu: ['x64'],
        files: ['bin/']
    },
    'framework-win32-ia32': {
        ...templatePackageJson,
        name: '@chahuadev/framework-win32-ia32',
        description: 'Chahuadev Framework - Windows 32-bit Ready-to-use Distribution',
        os: ['win32'],
        cpu: ['ia32'],
        files: ['bin/']
    },
    'framework-linux-x64': {
        ...templatePackageJson,
        name: '@chahuadev/framework-linux-x64',
        description: 'Chahuadev Framework - Linux 64-bit Ready-to-use Distribution',
        os: ['linux'],
        cpu: ['x64'],
        files: ['bin/']
    }
};

Object.entries(packageConfigs).forEach(([pkgName, config]) => {
    const pkgJsonPath = path.join(PACKAGES_DIR, pkgName, 'package.json');
    fs.ensureDirSync(path.dirname(pkgJsonPath));
    fs.writeJsonSync(pkgJsonPath, config, { spaces: 2 });
    console.log(`       ✓ ${pkgName}/package.json`);
});

// Summary
console.log('\n╔════════════════════════════════════════════════════════════╗');
if (totalCopied > 0) {
    console.log('║              ✅ Distribution Updated Successfully!          ║');
} else {
    console.log('║              ⚠️  No files were copied                        ║');
}
console.log('╚════════════════════════════════════════════════════════════╝\n');

console.log('📦 Distribution Structure:\n');
console.log('packages/@chahuadev/');
console.log('├── framework-win32-x64/');
console.log('│   ├── bin/');
console.log('│   │   ├── *.exe');
console.log('│   │   └── *.msi');
console.log('│   └── package.json');
console.log('├── framework-win32-ia32/');
console.log('│   ├── bin/');
console.log('│   │   ├── *.exe');
console.log('│   │   └── *.msi');
console.log('│   └── package.json');
console.log('└── chahuadev-framework-linux/');
console.log('    ├── bin/');
console.log('    │   └── *.AppImage');
console.log('    └── package.json');
console.log('');

console.log('Next steps:');
console.log('  1. Update version numbers in ROOT package.json');
console.log('  2. Run: npm publish from each package folder');
console.log('  3. Or: npm run npm:publish to publish all\n');