refactor progress

fluxer_relay_directory/src/Config.tsx

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {existsSync, readFileSync} from 'node:fs';
+import {deepMerge, isPlainObject} from '@fluxer/config/src/config_loader/ConfigObjectMerge';
+import {buildEnvOverrides} from '@fluxer/config/src/config_loader/EnvironmentOverrides';
+import {z} from 'zod';
+
+export const BootstrapRelayConfigSchema = z.object({
+	id: z.string(),
+	url: z.url(),
+	lat: z.number(),
+	lon: z.number(),
+	region: z.string(),
+	capacity: z.number().int().positive(),
+	public_key: z.string().optional(),
+});
+
+export type BootstrapRelayConfig = z.infer<typeof BootstrapRelayConfigSchema>;
+
+const ServerSchema = z.object({
+	host: z.string().default('0.0.0.0'),
+	port: z.number().int().positive().default(8080),
+});
+
+const DatabaseSchema = z.object({
+	path: z.string().default('./data/relays.db'),
+});
+
+const HealthCheckSchema = z.object({
+	interval_ms: z.number().int().positive().default(30000),
+	timeout_ms: z.number().int().positive().default(5000),
+	unhealthy_threshold: z.number().int().positive().default(3),
+});
+
+const DirectoryConfigSchema = z.object({
+	server: ServerSchema.default(() => ServerSchema.parse({})),
+	database: DatabaseSchema.default(() => DatabaseSchema.parse({})),
+	health_check: HealthCheckSchema.default(() => HealthCheckSchema.parse({})),
+	bootstrap_relays: z.array(BootstrapRelayConfigSchema).default([]),
+});
+
+export type DirectoryConfig = z.infer<typeof DirectoryConfigSchema>;
+
+const CONFIG_PATHS = [
+	process.env['RELAY_DIRECTORY_CONFIG'],
+	'./config/directory.json',
+	'/etc/fluxer-relay-directory/directory.json',
+].filter((path): path is string => Boolean(path));
+
+const ENV_OVERRIDE_PREFIX = 'RELAY_DIRECTORY__';
+
+function loadConfigFile(): Record<string, unknown> {
+	for (const configPath of CONFIG_PATHS) {
+		if (existsSync(configPath)) {
+			const content = readFileSync(configPath, 'utf-8');
+			const parsed = JSON.parse(content);
+			if (isPlainObject(parsed)) {
+				return parsed;
+			}
+		}
+	}
+	return {};
+}
+
+function loadDirectoryConfig(): DirectoryConfig {
+	const fileConfig = loadConfigFile();
+	const envOverrides = buildEnvOverrides(process.env, ENV_OVERRIDE_PREFIX);
+	const merged = deepMerge(fileConfig, envOverrides);
+	return DirectoryConfigSchema.parse(merged);
+}
+
+export const Config = loadDirectoryConfig();
+export type Config = typeof Config;