import { commandExists } from "../config.ts";
import type { VisionProvider, VisionProviderSelection } from "../types.ts";
import { agyProvider } from "./agy.ts";
import { codexProvider } from "./codex.ts";

export async function resolveVisionProvider(selection: VisionProviderSelection): Promise<VisionProvider> {
  if (selection === "codex") return codexProvider;
  if (selection === "agy") return agyProvider;
  if (await commandExists("codex")) return codexProvider;
  if (await commandExists("agy")) return agyProvider;
  throw new Error("No supported vision provider CLI found on PATH: codex or agy.");
}