import { createEnv } from "@t3-oss/env-nextjs";
import { z } from "zod";

export const env = createEnv({
  server: {
    NODE_ENV: z
      .enum(["development", "test", "production"])
      .default("development"),
    FM_DATABASE: z.string().endsWith(".fmp12"),
    FM_SERVER: z.string().url(),
    OTTO_API_KEY: z.string().startsWith("dk_"),

    // Next Auth
    NEXTAUTH_SECRET:
      process.env.NODE_ENV === "production"
        ? z.string()
        : z.string().optional(),
    NEXTAUTH_URL: z.preprocess(
      // This makes Vercel deployments not fail if you don't set NEXTAUTH_URL
      // Since NextAuth.js automatically uses the VERCEL_URL if present.
      (str) => process.env.VERCEL_URL ?? str,
      // VERCEL_URL doesn't include `https` so it cant be validated as a URL
      process.env.VERCEL ? z.string() : z.string().url()
    ),
    DISCORD_CLIENT_ID: z.string(),
    DISCORD_CLIENT_SECRET: z.string(),
  },
  client: {},
  // For Next.js >= 13.4.4, you only need to destructure client variables:
  experimental__runtimeEnv: {},
});