import { createEnv } from '@t3-oss/env-core';
import { z } from 'zod';

// Bun reads, in order of increasing precedence: .env, .env.production | .env.development, .env.local
// https://bun.sh/guides/runtime/set-env

export const env = createEnv({
	server: {
		PORT: z.coerce.number().int().min(1).max(65535).default(3000),

		// Storage backend for repo snapshots + blobs. Only "local" is implemented
		// today; the code path goes through a Storage interface so s3/webdav can
		// be added without touching callers.
		STORAGE_BACKEND: z.enum(['local']).default('local'),
		STORAGE_LOCAL_ROOT: z.string().min(1).default('./data/storage'),

		// SQLite file for the control-plane database (targets, backup index).
		DATABASE_PATH: z.string().min(1).default('./data/safekeeper.db'),

		// How often the scheduler wakes up and considers work. Per-account cadence
		// (daily snapshots, etc.) is enforced inside the scheduler itself.
		BACKUP_INTERVAL_MS: z.coerce
			.number()
			.int()
			.min(1000)
			.default(24 * 60 * 60 * 1000),

		// Leave empty to disable auth (only safe if the panel is bound to
		// localhost or behind an external reverse proxy that enforces auth).
		ADMIN_PASSWORD: z.string().default('')
	},
	runtimeEnv: process.env,
	emptyStringAsUndefined: true
});