#!/usr/bin/env php
<?php
/**
 * ZapMachine Test Script
 *
 * Usage:
 *   php test.php              Run all tests
 *   php test.php --brave      Test Brave search JSON output
 *   php test.php --search     Test ImgSearch for a word and show JSON results
 */

// Make sure relative paths in init.php resolve against this script's directory
chdir(__DIR__);

// Bootstrap the application
require_once __DIR__ . '/../conf/init.php';

$passed = 0;
$failed = 0;

/**
 * Assert a condition and print result
 */
function test($description, $condition) {
	global $passed, $failed;
	if ($condition) {
		echo "  ✓ $description\n";
		$passed++;
	} else {
		echo "  ✗ $description\n";
		$failed++;
	}
}

/**
 * Run basic application tests
 */
function runBasicTests() {
	echo "\n=== Basic Tests ===\n";

	// Version test
	test('ZAP_VERSION is defined', defined('ZAP_VERSION'));
	test('ZAP_VERSION is 0.9.0', ZAP_VERSION === '0.9.0');

	// Directory constants
	test('ZAP_APP_BASE_DIR is defined', defined('ZAP_APP_BASE_DIR'));
	test('ZAP_APP_BASE_DIR exists', is_dir(ZAP_APP_BASE_DIR));
	test('ZAP_RESOURCE_DIR is defined', defined('ZAP_RESOURCE_DIR'));
	test('ZAP_UTILS_DIR is defined', defined('ZAP_UTILS_DIR'));

	// Resource directory
	$resourceDir = ZAP_APP_BASE_DIR . DIRECTORY_SEPARATOR . ZAP_RESOURCE_DIR;
	test('Resource directory exists', is_dir($resourceDir));
	test('Search interface exists', file_exists($resourceDir . '/Search.interface.php'));
	test('Brave class exists', file_exists($resourceDir . '/Brave.class.php'));

	// Utils directory
	$utilsDir = ZAP_APP_BASE_DIR . DIRECTORY_SEPARATOR . ZAP_UTILS_DIR;
	test('Utils directory exists', is_dir($utilsDir));
	test('ZAPCurl class exists', file_exists($utilsDir . '/ZAPCurl.class.php'));

	// PHP extensions
	test('ImageMagick PHP extension (imagick) is installed', extension_loaded('imagick'));

	// Config
	test('BRAVE_API_KEY is defined', defined('BRAVE_API_KEY'));
	test('BRAVE_BASE is defined', defined('BRAVE_BASE'));
	global $search_engines;
	test('$search_engines is set', isset($search_engines));
	test('$search_engines contains brave', isset($search_engines) && in_array('brave', $search_engines));
}

/**
 * Test ImgSearch class for a given word
 */
function testImgSearch() {
	echo "\n=== ImgSearch Test ===\n";
	echo "Enter a search word: ";
	$handle = fopen("php://stdin", "r");
	$word = trim(fgets($handle));
	fclose($handle);

	if (empty($word)) {
		echo "  ⚠ No word entered. Aborting.\n";
		return;
	}

	$folder = ZAP_APP_BASE_DIR . DIRECTORY_SEPARATOR . ZAP_SESSIONS_DIR . DIRECTORY_SEPARATOR . 'search_test_' . ZAP_MOMENT;
	if (!is_dir($folder)) {
		@mkdir($folder, 0777, true);
	}

	echo "\nQuery: '$word'\n\n";

	// Register configured search engines so ImgSearch can pick one
	global $search_engines;
	$config = Config::getInstance();
	$config->register('engines', $search_engines);

	$search = new ImgSearch($folder, $word);
	$data = $search->getImageData();

	echo "Raw JSON output:\n";
	echo json_encode($data, JSON_PRETTY_PRINT) . "\n\n";

	test('Result is an array', is_array($data));
	test('Has result key', isset($data['result']));

	if (isset($data['result']) && $data['result'] === true) {
		test('Search returned results', true);
		test('Has results array', isset($data['results']));
		if (isset($data['results'])) {
			$count = count($data['results']);
			echo "  Results count: $count\n";
		}
	} else {
		echo "  ⚠ No results returned. Check your API key and configuration.\n";
	}
}

/**
 * Test Brave search JSON output
 */
function testBraveSearch() {
	echo "\n=== Brave Search JSON Test ===\n";
	echo "Query: 'test' | Results: 3\n\n";

	$brave = new Brave();
	$brave->setQuery('test');
	$brave->setParam('size', 3);

	$json = $brave->getData();

	echo "Raw JSON output:\n";
	echo json_encode($json, JSON_PRETTY_PRINT) . "\n\n";

	// Validate structure
	test('Result is an array', is_array($json));
	test('Has result key', isset($json['result']));

	if (isset($json['result']) && $json['result'] === true) {
		test('Search returned results', true);
		test('Has results array', isset($json['results']));
		test('Engine is Brave', isset($json['engine']) && $json['engine'] === 'Brave');

		if (isset($json['results'])) {
			$count = count($json['results']);
			test("Results count is 3 (got $count)", $count === 3);

			// Check first result structure
			if ($count > 0) {
				$first = $json['results'][0];
				test('First result has clickurl', isset($first['clickurl']));
				test('First result has thumb', isset($first['thumb']));
				test('First result has referer', isset($first['referer']));
			}
		}
	} else {
		echo "\n  ⚠ No results returned. Check your API key and CX.\n";
	}
}

// Main execution
if (in_array('--search', $argv)) {
	testImgSearch();
} elseif (in_array('--brave', $argv)) {
	testBraveSearch();
} else {
	runBasicTests();

	// Ask if user wants to run Brave test
	if (defined('BRAVE_API_KEY') && BRAVE_API_KEY !== 'YOUR_BRAVE_API_KEY') {
		echo "\nRun Brave search test? (y/n): ";
		$handle = fopen("php://stdin", "r");
		$line = fgets($handle);
		if (trim(strtolower($line)) === 'y') {
			testBraveSearch();
		}
		fclose($handle);
	} else {
		echo "\n  ⚠ Skipping Brave test: API key not configured\n";
	}
}

// Summary
echo "\n=== Results ===\n";
echo "Passed: $passed\n";
echo "Failed: $failed\n";
echo ($failed === 0 ? "All tests passed! ✓" : "Some tests failed.") . "\n\n";

exit($failed > 0 ? 1 : 0);
?>