#include "apktool.h"
#include "helper.h"
#include "tier0/lib.h"
#include "tier0/platform.h"
#include "tier1/commandline.h"
#include "tier1/interface.h"
#include "runner.h"
#include "tier1/utlstring.h"
#include "tier1/utlvector.h"

void AndroidManifest_t::SetPackageVersion( CUtlString szVersion )
{
	m_szVersion = szVersion;
}

void AndroidManifest_t::SetPackageBuild( uint64_t nBuild )
{
	m_nBuild = nBuild;
}

void AndroidManifest_t::SetPackageID( CUtlString szPackageID )
{
	m_szPackageID = szPackageID;
}

void AndroidManifest_t::SetPackageName( CUtlString szPackageName )
{
	m_szPackageName = szPackageName;
}

void AndroidManifest_t::SetTargetSDKVersion( uint64_t nTargetVersion )
{
	m_nTargetVersion = nTargetVersion;
}

void AndroidManifest_t::SetMinSDKVersion( uint64_t nMinVersion )
{
	m_nMinVersion = nMinVersion;
}

void AndroidManifest_t::AddUserFeature( CUtlString szName, bool bIsRequired, uint64_t nVersion )
{

}

void AndroidManifest_t::AddUserLibrary( CUtlString szPath )
{

}

CUtlString AndroidManifest_t::BuildManifest()
{
	CPUProject_t project = {};
	project.m_szName = m_szPackageName;
	unsigned int hash = project.GenerateProjectHash();
	CUtlString szOutputDir = CUtlString("%s/%s/android/%u_%s/",FPC_TEMPORAL_DIRNAME, project.m_target.GetTriplet().GetString(), hash, m_szPackageID.GetString());
	filesystem2->MakeDirectory(szOutputDir);
	filesystem2->MakeDirectory(CUtlString("%s/res", szOutputDir.GetString()));

	CUtlString szAndroidManifestPath = CUtlString("%s/AndroidManifest.xml", szOutputDir.GetString());
	FILE *pAndroidManifest = V_fopen(szAndroidManifestPath, "wb");

	V_fprintf(pAndroidManifest, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
	V_fprintf(pAndroidManifest, "<manifest xmlns:android=\"http://schemas.android.com/apk/res/android\" package=\"%s\">\n", m_szPackageID.GetString());
	V_fprintf(pAndroidManifest, "<uses-sdk android:minSdkVersion=\"%lu\" android:targetSdkVersion=\"%lu\" />\n",m_nMinVersion, m_nTargetVersion);
	V_fprintf(pAndroidManifest, "<application android:label=\"%s\" android:hasCode=\"false\" android:debuggable=\"true\">\n", m_szPackageName.GetString());
	V_fprintf(pAndroidManifest, "<activity android:name=\"android.app.NativeActivity\" android:label=\"%s\" android:exported=\"true\">\n", m_szPackageName.GetString());
	V_fprintf(pAndroidManifest, "<meta-data android:name=\"android.app.lib_name\" android:value=\"native-app\" />\n");
	V_fprintf(pAndroidManifest, "<intent-filter>\n");
	V_fprintf(pAndroidManifest, "<action android:name=\"android.intent.action.MAIN\" />\n");
	V_fprintf(pAndroidManifest, "<category android:name=\"android.intent.category.LAUNCHER\" />\n");
	V_fprintf(pAndroidManifest, "</intent-filter>\n");
	V_fprintf(pAndroidManifest, "</activity>\n");
	V_fprintf(pAndroidManifest, "</application>\n");
	V_fprintf(pAndroidManifest, "</manifest>\n");

	V_fclose(pAndroidManifest);
	return szOutputDir;
};



class CAPKTool : public IAPKTool
{
public:
	virtual CUtlString BuildPackage( AndroidManifest_t manifest, CUtlString szManifestDir ) override;
private:
};



CUtlString CAPKTool::BuildPackage( AndroidManifest_t manifest, CUtlString szManifestDir )
{

	V_printf("  APKTOOL  %s\n", manifest.m_szPackageID.GetString());
	if (CommandLine()->ParamValue("-android_build_tools"))
	{	
		CUtlVector<CUtlString> args = {
			"package",
			"-f",
			"-M",
			"AndroidManifest.xml",
			"-S",
			"res",
			"-I",
			CUtlString("%s/../../platforms/android-%lu/android.jar", CommandLine()->ParamValue("-android_build_tools"), manifest.m_nTargetVersion),
			"-F",
			CUtlString("%s.unaligned.apk", manifest.m_szPackageID.GetString()),
		};
		CUtlString szAndroidSDK = CommandLine()->ParamValue("-android_build_tools");
		runner->Run(CUtlString("%s/aapt",szAndroidSDK.GetString()),szManifestDir,args);
		runner->Wait();

		args = {
			"-u",
			CUtlString("%s.unaligned.apk", manifest.m_szPackageID.GetString()),
			"lib/x86_64/libnative-app.so",
		};
		runner->Run("zip",szManifestDir, args);
		runner->Wait();
		
		args = {
			"-f",
			"-v",
			"4",
			CUtlString("%s.unaligned.apk", manifest.m_szPackageID.GetString()),
			CUtlString("%s.apk", manifest.m_szPackageID.GetString()),
		};
		runner->Run(CUtlString("%s/zipalign",szAndroidSDK.GetString()),szManifestDir,args);
	} else
		Plat_FatalErrorFunc("-android_build_tools was not specified.");
	return 0;
}

IAPKTool *APKTool()
{
	static CAPKTool s_apktool = {};
	return &s_apktool;
}