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

int loadConfig(char *str_file, char **str_entry,char **host,int *intervall,int size)
{
    int i=0;
    FILE *f_config;
    char temp_str[256];
    char *ret = NULL;

    printf("\nopening config file\n");
    f_config = fopen(str_file,"r");
    if(f_config != NULL)
    {
        ret = fgets(temp_str,256,f_config);
        while(ret!=NULL)
        {
        temp_str[strcspn(temp_str,"\n")]=0;
        printf("first temp_str:%s\n",temp_str);
            if(strcmp(temp_str,"[Host]")==0)
            {
                printf("temp_str host:%s\n",temp_str);
                while(ret!=NULL)
                {
                    printf("temp_str:%s\n",temp_str);
                    ret = fgets(temp_str,256,f_config);
                    if(strchr(temp_str,'[')==NULL)
                    {
                        printf("strchr\n");
                        if(strstr(temp_str,"Hostname")!=NULL)
                        {
                            char *ptr_host = strrchr(temp_str,'=')+1;//Without = 
                            ptr_host[strcspn(ptr_host,"\n")]=0;
                            while(ptr_host[0]==' ') //Potential segfault??
                            {
                                if(ptr_host < (temp_str + strlen(temp_str)))
                                {
                                    ptr_host = ptr_host + 1;
                                }else{
                                    break;
                                }
                            }
                            *host = strdup(ptr_host);
                            printf("my host is:%s\n",*host);
                        }
                    }else{
                        break;
                    }
                }
            }
        }
    }
    else
    {
        fprintf(stderr,"error opening file[%s]\n",str_file);
    }
    fclose(f_config);
    printf("Done reading config file\n");
    return 0;
}
/*int parseConfig(File *file, char *str_entry)
{
        char sub_str[256];
        if(strcmp(str_entry,"[Host]")==0)//section
        {
                fgets(sub_str,256,file);

                //do sub parsing
        }
}*/
/*
 * Here we check if the given string contains a section
 * for example [SECTIONName] here delimiterLeft is [ and delimiterRight is ]
 * if a section is found, the section name will be written to sectionName
 *
 * Input:
 *      char **str: the string to check
 *      char delimiterLeft: the left delimiter to check for
 *      char delimiterRight: the right delimiter to check for
 * Output:
 *      char **sectionName: if found the section Name of the section
 * Return:
 *      int status_code: one of the following values:
 *          
 */

int checkSection(char *str,char delimiterLeft,char delimiterRight,char **sectionName)
{
    char section[MAX_LEN_SECTIONNAME];
    int i = 0;                  //most outer loop -> character of string
    if(str == NULL)
    {
        return ERROR_STR;
    }
    len = strlen(str);
    int state = ST_INIT;
    while(state != ST_FINISH)
    {
        switch(state) 
        {
            case ST_INIT:
                for(i=0;i<len-1;i++)        //find first (left) delimiter    
                {
                    if(str[i] == delimiterLeft)
                    {
                        state = ST_FOUND_LEFT_DELIMITER;
                        leftDelimiterPos = i;
                        break;
                    }
                }
                break;
            case ST_FOUND_LEFT_DELIMITER:
                for(i=0;i<len-1;i++)        //find second (right) delimiter    
                {
                    if(str[i] == delimiterRight)
                    {
                        state = ST_FOUND_RIGHT_DELIMITER;
                        rightDelimiterPos = i;
                        break;
                    }
                }
                break;
            case ST_FOUND_RIGHT_DELIMITER:
                getStrAtPos(*str,leftDelimiterPos,rightDelimiterPos,section);
    }
    return NO_SECTION;
}
/*
 * Here we get / cut from fromPos to toPos and write it to an address
 *
 * Input:
 *      char *str: the string to cut
 *      int fromPos: from which position we want to copy, the pos is included and zero indexed
 *      int toPos: to which position we want to copy, the pos is included and zero indexed
 * Output:
 *      char **name: here we will write the section name to
 */

int getStrAtPos(char *str,int fromPos,int toPosm,char **name)
{
    int i=fromPos;      //character iterator, which starts from specified pos
    int j=0;            //the character iterator for the target string
    if(toPos - fromPos > MAX_LEN_SECTIONNAME)
    {
        return ERROR_MAX_LEN;
    }
    for(i=fromPos,j=0;i<=toPos;i++,j++)
    {
        *name[j] = str[i];
    }
}