feat(project): init

lib/config.ts

@@ -0,0 +1,95 @@
+import path from "node:path";
+
+interface AppConfig {
+  openAiApiKey: string;
+  openAiBaseUrl: string;
+  openAiImageModel: string;
+  openAiTimeoutMs: number;
+  databasePath: string;
+  generatedImagesPath: string;
+  adminUsername: string;
+  adminPassword: string;
+  adminSyncOnBoot: boolean;
+  defaultMonthlyQuota: number;
+  sessionDays: number;
+}
+
+function parseInteger(value: unknown, fallbackValue: number): number {
+  const numericValue = Number.parseInt(String(value ?? ""), 10);
+
+  if (Number.isFinite(numericValue)) {
+    return numericValue;
+  }
+
+  return fallbackValue;
+}
+
+function parseBoolean(value: unknown, fallbackValue: boolean): boolean {
+  if (value === undefined || value === null || value === "") {
+    return fallbackValue;
+  }
+
+  const normalizedValue = String(value).trim().toLowerCase();
+
+  if (["1", "true", "yes", "on"].includes(normalizedValue)) {
+    return true;
+  }
+
+  if (["0", "false", "no", "off"].includes(normalizedValue)) {
+    return false;
+  }
+
+  return fallbackValue;
+}
+
+function resolveDatabasePath(rawPath?: string): string {
+  if (!rawPath) {
+    return path.join(
+      /* turbopackIgnore: true */ process.cwd(),
+      "data",
+      "image-prompt-studio.db",
+    );
+  }
+
+  if (path.isAbsolute(rawPath)) {
+    return rawPath;
+  }
+
+  return path.resolve(/* turbopackIgnore: true */ process.cwd(), rawPath);
+}
+
+function resolveGeneratedImagesPath(
+  databasePath: string,
+  rawPath?: string,
+): string {
+  if (!rawPath) {
+    return path.join(path.dirname(databasePath), "generated-images");
+  }
+
+  if (path.isAbsolute(rawPath)) {
+    return rawPath;
+  }
+
+  return path.resolve(/* turbopackIgnore: true */ process.cwd(), rawPath);
+}
+
+const databasePath = resolveDatabasePath(process.env.DATABASE_PATH);
+
+export const appConfig: AppConfig = {
+  openAiApiKey: process.env.OPENAI_API_KEY ?? "",
+  openAiBaseUrl: process.env.OPENAI_BASE_URL ?? "https://api.openai.com/v1",
+  openAiImageModel: process.env.OPENAI_IMAGE_MODEL ?? "gpt-image-2",
+  openAiTimeoutMs: parseInteger(process.env.OPENAI_TIMEOUT_MS, 140000),
+  databasePath,
+  generatedImagesPath: resolveGeneratedImagesPath(
+    databasePath,
+    process.env.GENERATED_IMAGES_PATH,
+  ),
+  adminUsername: String(process.env.ADMIN_USERNAME ?? "admin")
+    .trim()
+    .toLowerCase(),
+  adminPassword: String(process.env.ADMIN_PASSWORD ?? "change-me-now"),
+  adminSyncOnBoot: parseBoolean(process.env.ADMIN_SYNC_ON_BOOT, true),
+  defaultMonthlyQuota: parseInteger(process.env.DEFAULT_MONTHLY_QUOTA, 20),
+  sessionDays: parseInteger(process.env.SESSION_DAYS, 30),
+};