const fs = require('fs');
const path = require('path');

const SRC_DIR = 'src';
const DIST_DIR = 'dist';
const OUTPUT_FILE = path.join(DIST_DIR, 'power-flux-card.js');

// Ensure dist dir exists
if (!fs.existsSync(DIST_DIR)){
    fs.mkdirSync(DIST_DIR);
}

// Process Languages
console.log('Processing languages...');
const langFiles = fs.readdirSync(SRC_DIR).filter(file => file.startsWith('lang-') && file.endsWith('.js'));
let langsScript = '';

langFiles.forEach(file => {
    const langCode = file.replace('lang-', '').replace('.js', '');
    
    let content = fs.readFileSync(path.join(SRC_DIR, file), 'utf8');
    // Extract object
    content = content.replace('export default', '').trim();
    if (content.endsWith(';')) {
        content = content.slice(0, -1);
    }
    
    const varName = langCode; 
    
    langsScript += `const ${varName} = ${content};\n`;
});

// Process Editor
console.log('Processing editor...');
let editorContent = fs.readFileSync(path.join(SRC_DIR, 'power-flux-card-editor.js'), 'utf8');
// Remove imports
editorContent = editorContent.replace(/import .* from .*/g, '');

// Process Main Card
console.log('Processing main card...');
let mainContent = fs.readFileSync(path.join(SRC_DIR, 'power-flux-card.js'), 'utf8');
// Remove imports
mainContent = mainContent.replace(/import .* from .*/g, '');

// Replace getConfigElement
mainContent = mainContent.replace(
    /static async getConfigElement\(\) \{[\s\S]*?return document\.createElement\("power-flux-card-editor"\);\s*\}/,
    `static async getConfigElement() { return document.createElement("power-flux-card-editor"); }`
);

// 5. Combine everything
console.log('Writing output...');
const finalContent = `
/**
 * Power Flux Card (Bundled)
 * Generated by build.js
 */
${langsScript}
${imagesScript}

${editorContent}

${mainContent}
`;

fs.writeFileSync(OUTPUT_FILE, finalContent);
console.log(`Build complete: ${OUTPUT_FILE}`);