const { writeFile } = require('fs/promises');

const path = require('path');

const { listBakedInTemplates } = require('@asyncapi/generator');

async function generateClientLanguages() {

const bakedInClients = listBakedInTemplates({ type: 'client' });

const targets = Array.from(new Set(bakedInClients.map(t => t.target))).sort();

const enumEntries = targets

.map(t => ` ${capitalize(t)} = '${t}',`)

.join('\n');

const fileContent = `// Auto-generated. Do not edit manually.

export enum AvailableLanguage {

${enumEntries}

}

export const availableLanguages = [${targets.map(t => `'${t}'`).join(', ')}] as const;

export type AvailableLanguageType = typeof availableLanguages[number];

/**

* Returns the first available language as the default option.

*/

export const getDefaultLanguage = (): AvailableLanguageType => availableLanguages[0];

`;

const outputPath = path.join(__dirname, '../src/domains/models/generate/ClientLanguages.ts');

await writeFile(outputPath, fileContent);

console.log('✅ ClientLanguages.ts generated');

}

function capitalize(str) {

return str.charAt(0).toUpperCase() + str.slice(1);

}

generateClientLanguages().catch(err => {

throw new Error(`Failed to generate ClientLanguages.ts: ${err.message}`);

});