import type { ServiceConfig, ProviderDefinition, GeneratedFileResult } from './types.js';
import { getProvider } from './providers.js';
type CodegenTemplate = ProviderDefinition['codegenTemplate'];
const templates: Record<CodegenTemplate, (service: ServiceConfig, provider: ProviderDefinition, ts: boolean) => string> = {
openai: (service, provider, ts) => {
if (ts) {
return `import OpenAI from 'openai';
const openai = new OpenAI({
apiKey: process.env.${service.envVarKey},
});
export { openai };
// Example usage:
// const completion = await openai.chat.completions.create({
// model: 'gpt-4',
// messages: [{ role: 'user', content: 'Hello!' }],
// });
`;
}
return `const OpenAI = require('openai');
const openai = new OpenAI({
apiKey: process.env.${service.envVarKey},
});
module.exports = { openai };
// Example usage:
// const completion = await openai.chat.completions.create({
// model: 'gpt-4',
// messages: [{ role: 'user', content: 'Hello!' }],
// });
`;
},
anthropic: (service, provider, ts) => {
if (ts) {
return `import Anthropic from '@anthropic-ai/sdk';
const anthropic = new Anthropic({
apiKey: process.env.${service.envVarKey},
});
export { anthropic };
// Example usage:
// const message = await anthropic.messages.create({
// model: 'claude-sonnet-4-20250514',
// max_tokens: 1024,
// messages: [{ role: 'user', content: 'Hello!' }],
// });
`;
}
return `const Anthropic = require('@anthropic-ai/sdk');
const anthropic = new Anthropic({
apiKey: process.env.${service.envVarKey},
});
module.exports = { anthropic };
// Example usage:
// const message = await anthropic.messages.create({
// model: 'claude-sonnet-4-20250514',
// max_tokens: 1024,
// messages: [{ role: 'user', content: 'Hello!' }],
// });
`;
},
stripe: (service, provider, ts) => {
if (ts) {
return `import Stripe from 'stripe';
const stripe = new Stripe(process.env.${service.envVarKey}!, {
apiVersion: '2023-10-16',
});
export { stripe };
// Example usage:
// const customer = await stripe.customers.create({
// email: 'customer@example.com',
// });
`;
}
return `const Stripe = require('stripe');
const stripe = new Stripe(process.env.${service.envVarKey}, {
apiVersion: '2023-10-16',
});
module.exports = { stripe };
// Example usage:
// const customer = await stripe.customers.create({
// email: 'customer@example.com',
// });
`;
},
twilio: (service, provider, ts) => {
if (ts) {
return `import twilio from 'twilio';
const accountSid = process.env.TWILIO_ACCOUNT_SID!;
const authToken = process.env.${service.envVarKey}!;
const client = twilio(accountSid, authToken);
export { client as twilio };
// Example usage:
// const message = await twilio.messages.create({
// body: 'Hello from PAL!',
// from: '+1234567890',
// to: '+0987654321',
// });
`;
}
return `const twilio = require('twilio');
const accountSid = process.env.TWILIO_ACCOUNT_SID;
const authToken = process.env.${service.envVarKey};
const client = twilio(accountSid, authToken);
module.exports = { twilio: client };
// Example usage:
// const message = await twilio.messages.create({
// body: 'Hello from PAL!',
// from: '+1234567890',
// to: '+0987654321',
// });
`;
},
'generic-http': (service, provider, ts) => {
const varName = service.id.replace(/-/g, '_');
if (ts) {
return `// ${provider.name} client
// API Key: process.env.${service.envVarKey}
${provider.sdkPackage ? `import ${provider.sdkImport} from '${provider.sdkPackage}';` : ''}
const ${varName}ApiKey = process.env.${service.envVarKey};
export { ${varName}ApiKey };
// Configure your ${provider.name} client here
// Refer to ${provider.name} documentation for setup instructions
`;
}
return `// ${provider.name} client
// API Key: process.env.${service.envVarKey}
${provider.sdkPackage ? `const ${provider.sdkImport} = require('${provider.sdkPackage}');` : ''}
const ${varName}ApiKey = process.env.${service.envVarKey};
module.exports = { ${varName}ApiKey };
// Configure your ${provider.name} client here
// Refer to ${provider.name} documentation for setup instructions
`;
},
};
export function generateClientCode(
service: ServiceConfig,
hasTypeScript: boolean
): GeneratedFileResult {
const provider = getProvider(service.provider);
if (!provider) {
throw new Error(`Unknown provider: ${service.provider}`);
}
const template = templates[provider.codegenTemplate];
const content = template(service, provider, hasTypeScript);
const ext = hasTypeScript ? 'ts' : 'js';
const filename = service.clientFile || `${service.id}-client.${ext}`;
return {
path: filename,
content,
created: true,
};
}
export function generateAllClients(
services: ServiceConfig[],
hasTypeScript: boolean
): GeneratedFileResult[] {
return services.map(service => generateClientCode(service, hasTypeScript));
}
export function getInstallCommand(
providerId: string,
packageManager: 'npm' | 'pnpm' | 'yarn' | 'pip' | 'unknown'
): string | null {
const provider = getProvider(providerId);
if (!provider?.sdkPackage) return null;
switch (packageManager) {
case 'npm':
return `npm install ${provider.sdkPackage}`;
case 'pnpm':
return `pnpm add ${provider.sdkPackage}`;
case 'yarn':
return `yarn add ${provider.sdkPackage}`;
default:
return `npm install ${provider.sdkPackage}`;
}
}
