config.ts

/**
 * Configuration management for the multi-agent application
 */

import { config as dotenvConfig } from "dotenv";

// Load environment variables
dotenvConfig();

export interface AppConfig {
    copilot: {
        cliPath: string;
    };
    figma: {
        accessToken: string;
        fileId: string;
    };
    server: {
        port: number;
        nodeEnv: string;
    };
    agents: {
        maxConcurrent: number;
        defaultModel: string;
    };
}

function getEnvOrThrow(key: string): string {
    const value = process.env[key];
    if (!value) {
        throw new Error(`Missing required environment variable: ${key}`);
    }
    return value;
}

function getEnvOrDefault(key: string, defaultValue: string): string {
    return process.env[key] || defaultValue;
}

export const config: AppConfig = {
    copilot: {
        cliPath: getEnvOrDefault("COPILOT_CLI_PATH", "copilot"),
    },
    figma: {
        accessToken: getEnvOrDefault("FIGMA_ACCESS_TOKEN", ""),
        fileId: getEnvOrDefault("FIGMA_FILE_ID", ""),
    },
    server: {
        port: parseInt(getEnvOrDefault("PORT", "3000"), 10),
        nodeEnv: getEnvOrDefault("NODE_ENV", "development"),
    },
    agents: {
        maxConcurrent: parseInt(getEnvOrDefault("MAX_CONCURRENT_AGENTS", "5"), 10),
        defaultModel: getEnvOrDefault("DEFAULT_MODEL", "gpt-4.1"),
    },
};