import { z } from "zod";

const envSchema = z.object({
  // Server
  PORT: z.coerce.number().default(4003),
  HOST: z.string().default("0.0.0.0"),
  NODE_ENV: z.enum(["development", "production", "test"]).default("development"),
  CORS_ORIGIN: z.string().optional(),
  SERVICE_NAME: z.string().default("platform-service"),

  // Database
  COSMOS_ENDPOINT: z.string().min(1, "COSMOS_ENDPOINT is required"),
  COSMOS_KEY: z.string().min(1, "COSMOS_KEY is required"),
  COSMOS_DATABASE: z.string().default("lysnrai"),
  
  // Auth
  JWT_SECRET: z.string().min(1, "JWT_SECRET is required"),

  // Blob Storage
  AZURE_BLOB_CONNECTION_STRING: z.string().optional(),
  AZURE_BLOB_ACCOUNT_NAME: z.string().optional(),
  AZURE_BLOB_ACCOUNT_KEY: z.string().optional(),

  // Features
  RATE_LIMIT_CONFIG_JSON: z.string().optional(),
}).refine(data => 
  data.AZURE_BLOB_CONNECTION_STRING || (data.AZURE_BLOB_ACCOUNT_NAME && data.AZURE_BLOB_ACCOUNT_KEY),
  { message: "Must provide AZURE_BLOB_CONNECTION_STRING or AZURE_BLOB_ACCOUNT_NAME/KEY" }
);

export const config = envSchema.parse(process.env);