Initial open source release

lib/config.ts

@@ -0,0 +1,72 @@
+import { existsSync, readFileSync, writeFileSync, mkdirSync } from 'node:fs';
+import { homedir } from 'node:os';
+import { dirname, join } from 'node:path';
+
+export const DATA_DIR =
+  process.env.WECHAT_RADAR_DATA_DIR ||
+  join(homedir(), '.wechat-radar');
+
+const CONFIG_PATH = join(DATA_DIR, 'config.json');
+
+export interface Config {
+  myNicknames: string[];
+  defaultRange: 'day' | 'week' | 'month' | 'quarter' | 'year';
+  rescanConcurrency: number;
+  privacyConfirmed: boolean;
+  setupCompleted: boolean;
+  demoMode: boolean;
+  defaultSyncDays: number;
+}
+
+function envNames(): string[] {
+  return (process.env.WECHAT_RADAR_MY_NAMES || '')
+    .split(',')
+    .map((name) => name.trim())
+    .filter(Boolean);
+}
+
+const DEFAULTS: Config = {
+  myNicknames: envNames(),
+  defaultRange: 'week',
+  rescanConcurrency: 5,
+  privacyConfirmed: false,
+  setupCompleted: false,
+  demoMode: process.env.WECHAT_RADAR_DEMO === '1',
+  defaultSyncDays: 7,
+};
+
+export function readConfig(): Config {
+  if (!existsSync(CONFIG_PATH)) {
+    mkdirSync(dirname(CONFIG_PATH), { recursive: true });
+    writeFileSync(CONFIG_PATH, JSON.stringify(DEFAULTS, null, 2), 'utf-8');
+    return DEFAULTS;
+  }
+  try {
+    const raw = readFileSync(CONFIG_PATH, 'utf-8');
+    const parsed = JSON.parse(raw) as Partial<Config>;
+    const merged = { ...DEFAULTS, ...parsed };
+    if (envNames().length > 0) merged.myNicknames = envNames();
+    if (process.env.WECHAT_RADAR_DEMO === '1') merged.demoMode = true;
+    return merged;
+  } catch {
+    return DEFAULTS;
+  }
+}
+
+export function writeConfig(patch: Partial<Config>): Config {
+  const cur = readConfig();
+  const merged = { ...cur, ...patch };
+  mkdirSync(dirname(CONFIG_PATH), { recursive: true });
+  writeFileSync(CONFIG_PATH, JSON.stringify(merged, null, 2), 'utf-8');
+  return merged;
+}
+
+export function configStatus() {
+  const cfg = readConfig();
+  return {
+    dataDir: DATA_DIR,
+    configPath: CONFIG_PATH,
+    configured: cfg.setupCompleted && cfg.privacyConfirmed && (cfg.demoMode || cfg.myNicknames.length > 0),
+    config: cfg,
+  };
+}