import { spawnSync } from 'node:child_process';

import { mkdirSync, symlinkSync, writeFileSync } from 'node:fs';

import path from 'node:path';

import { expect, test } from 'rstack/test';

import { createHookFiles } from '../../src/setup/hooks.ts';

import { withDirectory } from './helpers.ts';

test('generates the runner and all client-side Git hook shims', () => {

expect(Object.keys(createHookFiles()).filter((name) => name !== 'runner')).toEqual([

'pre-commit',

'pre-merge-commit',

'prepare-commit-msg',

'commit-msg',

'post-commit',

'applypatch-msg',

'pre-applypatch',

'post-applypatch',

'pre-rebase',

'post-rewrite',

'post-checkout',

'post-merge',

'pre-push',

'pre-auto-gc',

]);

});

test.runIf(process.platform === 'win32')('converts Windows Node paths', () => {

const { runner } = createHookFiles(String.raw`C:\Program Files\nodejs\node.exe`);

expect(runner).toContain("rs_node_fallback='/c/Program Files/nodejs/node.exe'");

});

test.runIf(process.platform !== 'win32')('preserves backslashes in POSIX Node paths', () => {

const nodeExecutable = String.raw`/opt/node\24/bin/node`;

const { runner } = createHookFiles(nodeExecutable);

expect(runner).toContain(`rs_node_fallback='${nodeExecutable}'`);

});

test.runIf(process.platform !== 'win32')('runs generated hooks', () => {

withDirectory((directory) => {

const hooksDirectory = path.join(directory, "hooks with ' quotes");

const generatedDirectory = path.join(hooksDirectory, '_');

const generatedHook = path.join(generatedDirectory, 'pre-commit');

const userHook = path.join(hooksDirectory, 'pre-commit');

const fallbackNode = path.join(hooksDirectory, 'node');

const configDirectory = path.join(directory, 'runtime config');

const runtimeDirectory = path.join(configDirectory, 'rstack');

const init = path.join(runtimeDirectory, 'hooks-init.sh');

const files = createHookFiles(fallbackNode);

const env: NodeJS.ProcessEnv = {

...process.env,

XDG_CONFIG_HOME: configDirectory,

};

mkdirSync(generatedDirectory, { recursive: true });

writeFileSync(path.join(generatedDirectory, '.owner'), '.\n');

writeFileSync(path.join(generatedDirectory, 'runner'), files.runner);

writeFileSync(generatedHook, files['pre-commit']);

expect(spawnSync('sh', [generatedHook], { cwd: directory, env }).status).toBe(0);

writeFileSync(

userHook,

`read -r input

printf '%s\\n' "$1|$input"

`,

);

const result = spawnSync('sh', [generatedHook, 'argument with spaces'], {

cwd: directory,

encoding: 'utf8',

env,

input: 'standard input\n',

});

expect(result.status).toBe(0);

expect(result.stdout).toBe('argument with spaces|standard input\n');

writeFileSync(

userHook,

`false

printf 'unreachable\\n'

`,

);

const errexitResult = spawnSync('sh', [generatedHook], {

cwd: directory,

encoding: 'utf8',

env,

});

expect(errexitResult.status).toBe(1);

expect(errexitResult.stdout).toBe('Rstack - pre-commit hook failed (code 1)\n');

mkdirSync(runtimeDirectory, { recursive: true });

writeFileSync(init, `export PATH="${runtimeDirectory}"\n`);

writeFileSync(userHook, 'command -v node\n');

symlinkSync('/bin/sh', path.join(runtimeDirectory, 'sh'));

symlinkSync('/bin/sh', fallbackNode);

const fallbackResult = spawnSync('sh', [generatedHook], {

cwd: directory,

encoding: 'utf8',

env,

});

expect(fallbackResult.stdout).toBe(`${fallbackNode}\n`);

const activeNode = path.join(runtimeDirectory, 'node');

symlinkSync('/bin/sh', activeNode);

const activeResult = spawnSync('sh', [generatedHook], {

cwd: directory,

encoding: 'utf8',

env,

});

expect(activeResult.stdout).toBe(`${activeNode}\n`);

});

});