#include "write-location-file.h"

#include <assert.h>
#include <stdbool.h>

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

/*use macro extern int errno*/
#include <errno.h>

char lat[11]="52.26594";
char lon[10]="10.52673";

static void test_write_stuct_location_file(){
  FILE* read;
  char buf[17];

  /*create file*/
  struct location lctnGet=getLocation(lat, lon);
  write_struct_location_file(&lctnGet);

    /*read file*/
    read = fopen("struct-location-file.csv", "a+");

    if (NULL == read) {
      /*failed to open file and associate stream*/
      fprintf(stderr, "Value of errno: %d\n", errno);
      fprintf(stderr, "Error opening file: %s\n", strerror(errno));
    }

    //printf("content of this file are \n");
    fscanf(read, "%17s", buf);
    printf("test_write_struct_location_file() buf: %17s\n", buf);

    fclose(read);

    char result[18] = "52.26594,10.52673";
    printf("test_write_struct_location_file() result: %17s\n", result);

    assert(strcmp(buf, result)==0 && "test_write_struct_location_file()");
}

static void test_write_location_file(){
  FILE* read;
  char buf[17];
  /*create file*/
  write_location_file(lat, lon);
  /*read file*/
  read = fopen("location-file.csv", "a+");
  if (NULL == read) {
    /*failed to open file and associate stream*/
    fprintf(stderr, "Value of errno: %d\n", errno);
    fprintf(stderr, "Error opening file: %s\n", strerror(errno));
  }
  //printf("content of this file are \n");
  fscanf(read, "%17s", buf);
  printf("test_write_location_file() buf: %17s\n", buf);
  fclose(read);
  char result[18] = "52.26594,10.52673";
  printf("test_write_location_file() result: %17s\n", result);
  assert(strcmp(buf, result)==0 && "test_write_location_file()");
  //assert(write_location_file("52.26594", "10.52673")==0 && "test_write_location_file()");
}

int main(){
  test_write_location_file();
  test_write_stuct_location_file();
}