import { z } from 'zod';

export const envSchema = z.object({
  PORT: z.coerce.number().int().positive().default(3000),
  APP_BASE_URL: z.string().default('http://localhost:3000'),
  DATABASE_URL: z.string().default('mysql://root:root@localhost:3306/aitori_backend'),
  REDIS_URL: z.string().default('redis://localhost:6379'),
  AI_SIMULATION_BASE_URL: z.string().url().default('http://localhost:8084'),
  AI_SIMULATION_REFRESH_INTERVAL_MS: z.coerce.number().int().positive().default(10000),
  AI_SIMULATION_HTTP_TIMEOUT_MS: z.coerce.number().int().positive().default(15000),
  JWT_SECRET: z.string().default('replace-me'),
  JWT_EXPIRES_IN: z.string().default('7d'),
  CORS_ORIGIN: z.string().default('http://127.0.0.1:5173'),
  NODE_ENV: z.enum(['development', 'test', 'production']).default('development'),
  STORAGE_DRIVER: z.enum(['gcs']).default('gcs'),
  GCS_BUCKET: z.string().min(1),
  GCS_PROJECT_ID: z.string().min(1),
  GCS_CLIENT_EMAIL: z.string().email(),
  GCS_PRIVATE_KEY: z.string().min(1),
  CUSTOMER_DEFAULT_AVATAR_URL: z
    .string()
    .url()
    .default(
      'https://storage.googleapis.com/aitori-public/style/sample/066c7ba22ea149268444bc2d919d5b97.png',
    ),
  RESEND_API_KEY: z.string().optional(),
  BETA_APPLICATION_EMAIL_FROM: z.string().default('Aitori Stylist <noreply@aitori.jp>'),
  BETA_APPLICATION_EMAIL_TO: z.string().email().default('info@aitori.jp'),
});

export function validateEnv(config: Record<string, unknown>) {
  return envSchema.parse(config);
}