import { isDirectoryEmpty, isGitRepo, hasRemote } from "../utils/git.js";
import { pushViaGit } from "../utils/pushViaGit.js";
import { pushViaTar } from "../utils/pushViaTar.js";
/**
 * Auto-detect transport based on directory state:
 * - Empty directory → git (default)
 * - Has .git with remote → git
 * - Has .git without remote → tar
 * - No .git → tar
 */
async function detectVia() {
    if (await isDirectoryEmpty())
        return 'git';
    if (await isGitRepo()) {
        return (await hasRemote('.')) ? 'git' : 'tar';
    }
    return 'tar';
}
/**
 * Push command - unified push with --via transport selection
 */
export const push = async (ctx, pathArg, options) => {
    let via;
    const noGit = options?.git === false;
    if (options?.via) {
        if (options.via !== 'git' && options.via !== 'tar') {
            throw new Error(`Invalid --via value: "${options.via}". Must be "git" or "tar".`);
        }
        via = options.via;
    }
    // --no-git implies --via=tar and errors if --via=git was explicit
    if (noGit) {
        if (via === 'git') {
            throw new Error('Cannot use --no-git with --via=git.');
        }
        via = 'tar';
    }
    // Auto-detect if not specified
    if (!via) {
        via = await detectVia();
    }
    if (via === 'git') {
        await pushViaGit(ctx, pathArg);
    }
    else {
        await pushViaTar(ctx, pathArg);
    }
};
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