<?php

namespace Combodo\iTop\Test\UnitTest\Integration;

use Combodo\iTop\Test\UnitTest\ItopTestCase;
use CoreException;
use iTopExtension;
use ItopExtensionsMap;
use ModuleDiscovery;

class ExtensionsMapTest extends ItopTestCase
{
	protected function setUp(): void
	{
		parent::setUp(); // TODO: Change the autogenerated stub
		$this->RequireOnceItopFile('/setup/unattended-install/InstallationFileService.php');
		ModuleDiscovery::ResetCache();

	}

	public function testGetAllExtensionsWithPreviouslyInstalledDoesNotCrash()
	{
		$oExtensionsMap = iTopExtensionsMap::GetExtensionsMap();
		$aExtensions = $oExtensionsMap->GetAllExtensionsWithPreviouslyInstalled();
		$this->assertGreaterThan(0, count($aExtensions));
	}

	public function testGetAllExtensionsToDisplayInSetup()
	{
		$oExtensionsMap = $this->GiveExtensionMapWithAllTypeOfExtensions();

		$aExtensions = $oExtensionsMap->GetAllExtensionsToDisplayInSetup();
		$expected = [
			'installed_ext1',
			'ext1',
		];
		$this->assertEquals($expected, array_keys($aExtensions));
	}

	public function testGetAllExtensionsToDisplayInSetup_WithExtensionsHavingDependencyIssues()
	{
		$oExtensionsMap = $this->GiveExtensionMapWithAllTypeOfExtensions();

		$aExtensions = $oExtensionsMap->GetAllExtensionsToDisplayInSetup(true);
		$expected = [
			'installed_ext1',
			'installed_ext_with_deps_issues',
			'ext1',
			'ext_with_deps_issues',
		];
		$this->assertEquals($expected, array_keys($aExtensions));
	}

	public function testGetAllExtensionsToDisplayInSetup_LegacyPackage()
	{
		$oExtensionsMap = $this->GiveExtensionMapWithAllTypeOfExtensions();

		$this->SetNonPublicProperty($oExtensionsMap, 'bHasXmlInstallationFile', false);
		$aExtensions = $oExtensionsMap->GetAllExtensionsToDisplayInSetup();
		$expected = [
			'installed_ext1',
			'installed_ext_in_package',
			'ext1',
			'ext_in_package',
		];
		$this->assertEquals($expected, array_keys($aExtensions));
	}

	public function testGetAllExtensionsToDisplayInSetup_LegacyPackage_WithExtensionsHavingDependencyIssues()
	{
		$oExtensionsMap = $this->GiveExtensionMapWithAllTypeOfExtensions();

		$this->SetNonPublicProperty($oExtensionsMap, 'bHasXmlInstallationFile', false);
		$aExtensions = $oExtensionsMap->GetAllExtensionsToDisplayInSetup(true);
		$expected = [
			'installed_ext1',
			'installed_ext_in_package',
			'installed_ext_with_deps_issues',
			'ext1',
			'ext_in_package',
			'ext_with_deps_issues',
		];
		$this->assertEquals($expected, array_keys($aExtensions));
	}

	private function GiveExtensionMapWithAllTypeOfExtensions(): iTopExtensionsMap
	{
		$oExtensionsMap = iTopExtensionsMap::GetExtensionsMap();
		$this->SetNonPublicProperty($oExtensionsMap, 'aInstalledExtensions', []);
		$this->SetNonPublicProperty($oExtensionsMap, 'aExtensions', []);

		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("installed_ext1", "123", true, iTopExtension::SOURCE_REMOTE, true, []),
			'aInstalledExtensions'
		);
		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("installed_notvisible", "123", false, iTopExtension::SOURCE_REMOTE, true, []),
			'aInstalledExtensions'
		);
		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("installed_ext_in_package", "123", true, iTopExtension::SOURCE_WIZARD, true, []),
			'aInstalledExtensions'
		);
		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("installed_ext_with_deps_issues", "123", true, iTopExtension::SOURCE_REMOTE, true, ["aa"]),
			'aInstalledExtensions'
		);
		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("ext1", "123", true, iTopExtension::SOURCE_REMOTE, true, []),
			'aExtensions'
		);
		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("notvisible", "123", false, iTopExtension::SOURCE_REMOTE, true, []),
			'aExtensions'
		);
		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("ext_in_package", "123", true, iTopExtension::SOURCE_WIZARD, true, []),
			'aExtensions'
		);
		$this->AddExtension(
			$oExtensionsMap,
			$this->GivenExtension("ext_with_deps_issues", "123", true, iTopExtension::SOURCE_REMOTE, true, ["aa"]),
			'aExtensions'
		);

		return $oExtensionsMap;
	}

	private function GivenExtension(string $sCode, string $sVersion, bool $bVisible, string $sSource, bool $bMandatory, array $aMissingDependencies = []): iTopExtension
	{
		$oExt = new iTopExtension();
		$oExt->sCode = $sCode;
		$oExt->sVersion = $sVersion;
		$oExt->bVisible = $bVisible;
		$oExt->sSource = $sSource;
		$oExt->aMissingDependencies = $aMissingDependencies;
		$oExt->bMandatory = $bMandatory;
		return $oExt;
	}

	private function AddExtension(iTopExtensionsMap $oExtensionsMap, iTopExtension $oExt, string $mapKeyInItopExtensionMap)
	{
		$aMap = $this->GetNonPublicProperty($oExtensionsMap, $mapKeyInItopExtensionMap);
		$aMap[$oExt->sCode.'/'.$oExt->sVersion] = $oExt;
		$this->SetNonPublicProperty($oExtensionsMap, $mapKeyInItopExtensionMap, $aMap);
	}

	public function testiTopExtensionsMapInit()
	{
		$oiTopExtensionsMap = iTopExtensionsMap::GetExtensionsMap(sAppRootForTests: __DIR__."/ressources/");

		$sExpected = file_get_contents(__DIR__.'/ressources/all_extensions_from_datamodels.json');
		$sExpected = str_replace('"sVersion": "ITOP_VERSION"', '"sVersion": "'.ITOP_VERSION.'"', $sExpected);
		$sExpected = preg_replace('/"module_file_path": .*/', '"module_file_path": ANYPATH', $sExpected);

		$actual = json_encode($this->SerializeExtensionMap($oiTopExtensionsMap), JSON_PRETTY_PRINT);
		$actual = preg_replace('/"module_file_path": .*/', '"module_file_path": ANYPATH', $actual);
		$this->assertEquals($sExpected, $actual);
	}

	public function testGetScannedModulesRootDirs()
	{
		$sAppRootForTest = __DIR__."/resources2/";
		$oiTopExtensionsMap = iTopExtensionsMap::GetExtensionsMap(sAppRootForTests: $sAppRootForTest);

		$aExpectedDirs = [
			"{$sAppRootForTest}datamodels/2.x",
			"{$sAppRootForTest}extensions",
			"{$sAppRootForTest}data/production-modules",
		];
		self::assertEquals($aExpectedDirs, $oiTopExtensionsMap->GetScannedModulesRootDirs());
	}

	public function testCheckExtensionsValidityReturnsFalseWhenSelectedExtensionCodeAndLabelAreMissing(): void
	{
		[$sEnvironment, $sExtensionsDirRelative] = $this->CreateFixtureContext('env-missing-label-');

		$sInvalidExtensionXml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<extension format="1.0">
	<description>Test extension without code and label</description>
	<version>1.0.0</version>
	<mandatory>false</mandatory>
	<more_info_url/>
</extension>
XML;
		$sExtensionsDirAbsolute = APPROOT.$sExtensionsDirRelative;
		file_put_contents($sExtensionsDirAbsolute.'/extension.xml', $sInvalidExtensionXml);

		$oExtensionMap = ItopExtensionsMap::GetExtensionsMap($sEnvironment);

		//echo json_encode(array_keys($oExtensionMap->GetAllExtensions()), JSON_PRETTY_PRINT);

		//		$this->expectException(CoreException::class);
		//		$this->expectExceptionMessage("Selected extension(s) cannot be installed: Missing extension code ($sExtensionsDirAbsolute)");

		self::assertFalse($oExtensionMap->CheckExtensionsValidity(), 'Check extensions validity should have detected an extension without code.');
	}

	public function testCheckExtensionsValidityReturnsFalseWhenSelectedExtensionCodeIsMissing(): void
	{
		[$sEnvironment, $sExtensionsDirRelative] = $this->CreateFixtureContext('env-missing-label-');

		$sInvalidExtensionXml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<extension format="1.0">
	<label>Broken extension</label>
	<description>Test extension without code and label</description>
	<version>1.0.0</version>
	<mandatory>false</mandatory>
	<more_info_url/>
</extension>
XML;
		$sExtensionsDirAbsolute = APPROOT.$sExtensionsDirRelative;
		file_put_contents($sExtensionsDirAbsolute.'/extension.xml', $sInvalidExtensionXml);

		$oExtensionMap = ItopExtensionsMap::GetExtensionsMap($sEnvironment);

		//echo json_encode(array_keys($oExtensionMap->GetAllExtensions()), JSON_PRETTY_PRINT);

		//		$this->expectException(CoreException::class);
		//		$this->expectExceptionMessage("Selected extension(s) cannot be installed: Missing extension code ($sExtensionsDirAbsolute)");

		self::assertFalse($oExtensionMap->CheckExtensionsValidity(), 'Check extensions validity should have detected an extension without code.');
	}

	public function testCheckExtensionsValidityThrowExceptionWhenSelectedExtensionCodeAndLabelAreMissingAndExtensionIsChosen(): void
	{
		[$sEnvironment, $sExtensionsDirRelative] = $this->CreateFixtureContext('env-missing-label-');

		$sInvalidExtensionXml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<extension format="1.0">
	<description>Test extension without code and label</description>
	<version>1.0.0</version>
	<mandatory>false</mandatory>
	<more_info_url/>
</extension>
XML;
		$sExtensionsDirAbsolute = APPROOT.$sExtensionsDirRelative;
		file_put_contents($sExtensionsDirAbsolute.'/extension.xml', $sInvalidExtensionXml);

		$oExtensionMap = ItopExtensionsMap::GetExtensionsMap($sEnvironment);
		$oExtensionMap->MarkAsChosen('');

		//echo json_encode(array_keys($oExtensionMap->GetAllExtensions()), JSON_PRETTY_PRINT);

		$this->expectException(CoreException::class);
		$this->expectExceptionMessage("Selected extension(s) cannot be installed: Missing extension code ($sExtensionsDirAbsolute)");

		$oExtensionMap->CheckExtensionsValidity();
	}

	public function testCheckExtensionsValidityThrowExceptionWhenSelectedExtensionCodeIsMissingAndExtensionIsChosen(): void
	{
		[$sEnvironment, $sExtensionsDirRelative] = $this->CreateFixtureContext('env-missing-label-');

		$sInvalidExtensionXml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<extension format="1.0">
	<label>Broken extension</label>
	<description>Test extension without code and label</description>
	<version>1.0.0</version>
	<mandatory>false</mandatory>
	<more_info_url/>
</extension>
XML;
		$sExtensionsDirAbsolute = APPROOT.$sExtensionsDirRelative;
		file_put_contents($sExtensionsDirAbsolute.'/extension.xml', $sInvalidExtensionXml);

		$oExtensionMap = ItopExtensionsMap::GetExtensionsMap($sEnvironment);
		$oExtensionMap->MarkAsChosen('');

		//echo json_encode(array_keys($oExtensionMap->GetAllExtensions()), JSON_PRETTY_PRINT);

		$this->expectException(CoreException::class);
		$this->expectExceptionMessage("Selected extension(s) cannot be installed: Missing extension code (Broken extension)");

		$oExtensionMap->CheckExtensionsValidity();
	}

	private function CreateFixtureContext(string $sEnvPrefix): array
	{
		$sEnvironment = str_replace('.', '-', uniqid($sEnvPrefix, true));
		$sExtensionsDirRelative = 'data/'.$sEnvironment.'-modules';

		mkdir(APPROOT.$sExtensionsDirRelative, 0777, true);
		$this->aFileToClean[] = APPROOT.$sExtensionsDirRelative;

		return [$sEnvironment, $sExtensionsDirRelative];
	}

	public function SerializeExtensionMap(iTopExtensionsMap $oiTopExtensionsMap): array
	{
		$aRes = [];
		foreach ($oiTopExtensionsMap->GetAllExtensions() as $oExtension) {
			$aRes[] = [
				'sCode' => $oExtension->sCode,
				'sSource' => $oExtension->sSource,
				'sVersion' => $oExtension->sVersion,
				'aModules' => $oExtension->aModules,
				'aModuleVersion' => $oExtension->aModuleVersion,
				'aModuleInfo' => $oExtension->aModuleInfo,
			];
		}

		return $aRes;
	}
}