import path from "node:path";
export function getApiKey(): string {
const key = process.env.GEMINI_API_KEY || process.env.GOOGLE_API_KEY;
if (!key) {
throw new Error(
"API key not found. Set GEMINI_API_KEY or GOOGLE_API_KEY environment variable.\n" +
"Get your key at: https://aistudio.google.com/apikey"
);
}
return key;
}
export const DEFAULT_OUTPUT_DIR = process.env.IMAGE_OUTPUT_DIR || "./nanobanana-images";
export const MODELS = {
flash: "gemini-3-flash-preview",
pro: "gemini-3-pro-preview",
} as const;
export type ModelType = keyof typeof MODELS;
export const ASPECT_RATIOS = ["1:1", "16:9", "9:16", "4:3", "3:4"] as const;
export type AspectRatio = (typeof ASPECT_RATIOS)[number];
export function resolveOutputDir(outputDir?: string): string {
const dir = outputDir || DEFAULT_OUTPUT_DIR;
return path.isAbsolute(dir) ? dir : path.resolve(process.cwd(), dir);
}
