#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include "unity/unity.h"
#include "fuse.h"
#include "fuseactions.h"

FileSystem* fakefs;
fuseArgStruct dummyFuse;
int argc = 5;
char* argv[5];

void setUp(void)
{
    FuseStructInit(&dummyFuse);
    argv[0] = "bin/fuse.out";
    argv[1] = "-l";
    argv[2] = "test/files/test1.txt";
    argv[3] = "-f";
    argv[4] = "test/fakefs.test";
}

void tearDown(void)
{
    ;
}

void Test_FuseGetArgs_Should_SetDummyArgs(void)
{
    GetArguments(argc, argv, &dummyFuse);
    TEST_ASSERT_EQUAL(1, dummyFuse.list);
    argv[1] = "-a";
    GetArguments(argc, argv, &dummyFuse);
    TEST_ASSERT_EQUAL(1, dummyFuse.add);
    argv[1] = "-r";
    GetArguments(argc, argv, &dummyFuse);
    TEST_ASSERT_EQUAL(1, dummyFuse.remove);
    argv[1] = "-e";
    GetArguments(argc, argv, &dummyFuse);
    TEST_ASSERT_EQUAL(1, dummyFuse.extract);
}

void Test_FindEmptyBitPosition_Should_ReturnPosition(void)
{
    TEST_ASSERT_EQUAL(3, FindEmptyBitPosition(7));
    TEST_ASSERT_EQUAL(1, FindEmptyBitPosition(29));
    TEST_ASSERT_EQUAL(5, FindEmptyBitPosition(95));
    TEST_ASSERT_EQUAL(31, FindEmptyBitPosition(2147483647));
    TEST_ASSERT_EQUAL(-1, FindEmptyBitPosition(4294967295));
}

void Test_FileSystem_Should_SuccessfullyOpen(void)
{
    remove(argv[4]);
    GetArguments(argc, argv, &dummyFuse);
    OpenFS(&dummyFuse, argv[0]);
    fakefs = SetupFS(&dummyFuse);
}

void Test_FileSystem_Should_AddFile(void)
{
    argv[1] = "-a";
    GetArguments(argc, argv, &dummyFuse);
    RunFuse(fakefs, &dummyFuse);
    TEST_ASSERT_EQUAL(1, fakefs->inodes[1].isValid);
}

int main(void)
{
    UNITY_BEGIN();
    RUN_TEST(Test_FuseGetArgs_Should_SetDummyArgs);
    RUN_TEST(Test_FindEmptyBitPosition_Should_ReturnPosition);
    RUN_TEST(Test_FileSystem_Should_SuccessfullyOpen);
    RUN_TEST(Test_FileSystem_Should_AddFile);
    return UNITY_END();
}