#include <memory>
#include <iostream>
#include <fstream>

#include <di/Application.h>
#include <gtest/gtest.h>

using namespace Di;
using namespace std;

static int defconfCall;
static int initCall;
static int runCall;
static int stopCall;
static int appnameCall;
static int appversionCall;

class Apptest : public Application {
 public:
	void loadDefaultConfig(void) {
		defconfCall++;
	}
	int init(void) {
		++initCall;
		return 0;
	}
	int run(void) {
		return ++runCall;
	}
	void stop(void) {
		stopCall++;
	}
	std::string getApplicationName(void) {
		appnameCall++;
		return "testapp";
	}

	std::string getApplicationVersion(void) {
		appversionCall++;
		return "0.0.0";
	}
};

TEST(Application, dieNoFile) {
	Apptest t;
	EXPECT_EXIT(t.globalInit(0, nullptr), ::testing::ExitedWithCode(1), "");
	EXPECT_EQ(defconfCall, 0);
	EXPECT_EQ(initCall, 0);
	EXPECT_EQ(runCall, 0);
	EXPECT_EQ(stopCall, 0);
	EXPECT_EQ(appnameCall, 0);
	EXPECT_EQ(appversionCall, 0);
}

TEST(Application, dieNoCustomFile) {
	Apptest t;
	char *argv[] = {"appname", "configfile.conf"};
	EXPECT_EXIT(t.globalInit(2, argv), ::testing::ExitedWithCode(1), "");
	EXPECT_EQ(defconfCall, 0);
	EXPECT_EQ(initCall, 0);
	EXPECT_EQ(runCall, 0);
	EXPECT_EQ(stopCall, 0);
	EXPECT_EQ(appnameCall, 0);
	EXPECT_EQ(appversionCall, 0);
}

TEST(Application, findCustomFile) {
	Apptest t;
	ofstream testFile;
        system("mkdir -p /tmp/di/etc;chmod 777 /tmp/di/etc");
        testFile.open("/tmp/di/etc/test_libdipp_application.json", ofstream::out);
        testFile << "{}" << endl;
        testFile.close();

	char *argv[] = {"appname", "/tmp/di/etc/test_libdipp_application.json"};
	t.globalInit(2, argv);
	EXPECT_EQ(defconfCall, 1);
	EXPECT_EQ(initCall, 1);
	EXPECT_EQ(runCall, 0);
	EXPECT_EQ(stopCall, 0);
	EXPECT_EQ(appnameCall, 2);
	EXPECT_EQ(appversionCall, 1);
}