/**
 * Environment variable validation for the editor app.
 *
 * This file validates that required environment variables are set at runtime.
 * Variables are defined in the root .env file.
 *
 * @see https://env.t3.gg/docs/nextjs
 */
import { createEnv } from '@t3-oss/env-nextjs'
import { z } from 'zod'

export const env = createEnv({
  /**
   * Server-side environment variables (not exposed to client)
   */
  server: {
    // Database
    POSTGRES_URL: z.string().min(1),
    SUPABASE_SERVICE_ROLE_KEY: z.string().min(1),

    // Auth
    BETTER_AUTH_SECRET: z.string().min(1),
    GOOGLE_CLIENT_ID: z.string().optional(),
    GOOGLE_CLIENT_SECRET: z.string().optional(),

    // Email
    RESEND_API_KEY: z.string().optional(),
  },

  /**
   * Client-side environment variables (exposed to browser via NEXT_PUBLIC_)
   */
  client: {
    NEXT_PUBLIC_SUPABASE_URL: z.string().min(1),
    NEXT_PUBLIC_SUPABASE_ANON_KEY: z.string().optional(),
  },

  /**
   * Runtime values - pulls from process.env
   */
  runtimeEnv: {
    // Server
    POSTGRES_URL: process.env.POSTGRES_URL,
    SUPABASE_SERVICE_ROLE_KEY: process.env.SUPABASE_SERVICE_ROLE_KEY,
    BETTER_AUTH_SECRET: process.env.BETTER_AUTH_SECRET,
    GOOGLE_CLIENT_ID: process.env.GOOGLE_CLIENT_ID,
    GOOGLE_CLIENT_SECRET: process.env.GOOGLE_CLIENT_SECRET,
    RESEND_API_KEY: process.env.RESEND_API_KEY,
    // Client
    NEXT_PUBLIC_SUPABASE_URL: process.env.NEXT_PUBLIC_SUPABASE_URL,
    NEXT_PUBLIC_SUPABASE_ANON_KEY: process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
  },

  /**
   * Skip validation during build (env vars come from Vercel at runtime)
   */
  skipValidation: !!process.env.SKIP_ENV_VALIDATION,
})