/*
 * Copyright (C) Tristan Franssen, <tristanfranssen@strawhats.nl>.
 *
 * This software is licensed under the Apache License, Version 2.0 (the "License");
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License in the file LICENSE or at
 * http://www.apache.org/licenses/LICENSE-2.0
 */
#include "unit/file.h"

#include <cosms-core/file.h>

#include <string.h>
#include <stdlib.h>

COSMS_CORE_TEST_TEST(file_open,
    COSMS_CORE_TEST_SUB_TEST(opening small file for reading,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_READ);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening large file for reading,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/large-file.txt", COSMS_CORE_FILE_MODE_READ);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening small file for writting,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_WRITE);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening large file for writting,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/large-file.txt", COSMS_CORE_FILE_MODE_WRITE);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening small file for appending,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_APPEND);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening large file for appending,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/large-file.txt", COSMS_CORE_FILE_MODE_APPEND);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening small file for reading and writting,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_READ | COSMS_CORE_FILE_MODE_WRITE);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening large file for reading and writting,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/large-file.txt", COSMS_CORE_FILE_MODE_READ | COSMS_CORE_FILE_MODE_WRITE);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(opening non-existing file for reading,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "non-existing-file.cosms", COSMS_CORE_FILE_MODE_READ);
        if (error != COSMS_CORE_FILE_NOT_FOUND) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            if (error == COSMS_CORE_FILE_OK) {
                error = cosms_core_file_close(&file);
                if (error != COSMS_CORE_FILE_OK) {
                    cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
                }
            }
        }
    )
)

COSMS_CORE_TEST_TEST(file_close,
    COSMS_CORE_TEST_SUB_TEST(closing file,
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_READ);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(closing non-existing file,
        struct cosms_core_file file;
        file.native_file = 0;

        CosmsCoreFileError error = cosms_core_file_close(&file);
        if (error != COSMS_CORE_FILE_INVALID_FILE) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        }
    )
)

COSMS_CORE_TEST_TEST(file_size,
    COSMS_CORE_TEST_SUB_TEST(reading small file size, 
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/small-file.txt", COSMS_CORE_FILE_MODE_READ);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            unsigned long long size = 0;
            error = cosms_core_file_get_size(&file, &size);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            } else {
                if (size != 13) {
                    cosms_core_test_sub_test_error = "result does not match expected result";
                }
            }

            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(reading large file size, 
        struct cosms_core_file file;
        CosmsCoreFileError error = cosms_core_file_open(&file, "tests/data/large-file.txt", COSMS_CORE_FILE_MODE_READ);
        if (error != COSMS_CORE_FILE_OK) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        } else {
            unsigned long long size = 0;
            error = cosms_core_file_get_size(&file, &size);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            } else {
                if (size != 5242880000ULL) {
                    cosms_core_test_sub_test_error = "result does not match expected result";
                }
            }

            error = cosms_core_file_close(&file);
            if (error != COSMS_CORE_FILE_OK) {
                cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
            }
        }
    )

    COSMS_CORE_TEST_SUB_TEST(reading non-existing file size, 
        struct cosms_core_file file;
        file.native_file = 0;
        
        unsigned long long size = 0;
        CosmsCoreFileError error = cosms_core_file_get_size(&file, &size);
        if (error != COSMS_CORE_FILE_INVALID_FILE) {
            cosms_core_test_sub_test_error = cosms_core_file_error_string(error);
        }
    )
)

COSMS_CORE_TEST_TEST(file_read, 
    
)

COSMS_CORE_TEST_TEST(file_write,
    
)

COSMS_CORE_TEST_TEST(file_delete,
    
)