#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <ctype.h>
#include <time.h>
#include <string.h>
#include "utils.h"
#include "settings.h"
#include "ansicolor.h"

pthread_mutex_t logLock = PTHREAD_MUTEX_INITIALIZER;
void logMessage(enum severity messageSeverity, const char *format, ...) {
    pthread_mutex_lock(&logLock);
    time_t timeNow = time(0);
    printf(" [%.24s]", ctime(&timeNow));
    switch (messageSeverity) {
        case warning:
            printf(ANSI_YELLOW " [WARN] ");
            break;
        case error:
            printf(ANSI_RED " [ERROR] ");
            break;
        default:
            printf(ANSI_GREEN " [INFO] ");
            break;
    }
    va_list args;
    va_start(args, format);
    vprintf(format, args);
    va_end(args);
    printf(ANSI_RESET"\n");
    pthread_mutex_unlock(&logLock);
}

// WARNING: this method may increment the 'str' pointer.
void trimWhitespace(char* str)
{
    char *end;
    while(isspace((unsigned char)*str)) str++;
    if(*str == 0) return;
    end = str + strlen(str) - 1;
    while(end > str && isspace((unsigned char)*end)) end--;
    end[1] = '\0';
}

int inRange(int number, int rangeFrom, int rangeTo) {
    return number >= rangeFrom && number <= rangeTo;
}

int sanitizeString(char* str, size_t stringLength) {
    if (stringLength == 0) return 0;
    char newString[stringLength+1];
    int newStringCurrent = 0;
    for (int i = 0; i < stringLength; ++i) {
        if (inRange(str[i], 32, 126)) {
            newString[newStringCurrent] = str[i]; // copy (allowed character)
            newStringCurrent++;
        }
    }
    newString[newStringCurrent] = 0;
    memcpy(str, newString, newStringCurrent+1);
    return newStringCurrent;
}