import { select } from "@clack/prompts";

import { getOAuthHandle, getOAuthSession } from "./oauth-store";

import { getCredentials } from "./credentials";

import type { Credentials } from "./types";

import { exitOnCancel } from "./prompts";

/**

 * Prompt user to select from multiple credentials

 */

export async function selectCredential(

	allCredentials: Array<{ id: string; type: "app-password" | "oauth" }>,

): Promise<Credentials | null> {

	// Build options with friendly labels

	const options = await Promise.all(

		allCredentials.map(async ({ id, type }) => {

			let label = id;

			if (type === "oauth") {

				const handle = await getOAuthHandle(id);

				label = handle ? `${handle} (${id})` : id;

			}

			return {

				value: { id, type },

				label: `${label} [${type}]`,

			};

		}),

	);

	const selected = exitOnCancel(

		await select({

			message: "Multiple identities found. Select one:",

			options,

		}),

	);

	// Load the full credentials for the selected identity

	if (selected.type === "oauth") {

		const session = await getOAuthSession(selected.id);

		if (session) {

			const handle = await getOAuthHandle(selected.id);

			return {

				type: "oauth",

				did: selected.id,

				handle: handle || selected.id,

			};

		}

	} else {

		const creds = await getCredentials(selected.id);

		if (creds) {

			return creds;

		}

	}

	return null;

}