#include <main.h>
#include <settings/settings.h>


struct APP_SETTINGS settings;

void Settings_InitDefaultValues()
{
// #define        LOG_EMERG        0        /* system is unusable */
// #define        LOG_ALERT        1        /* action must be taken immediately */
// #define        LOG_CRIT         2        /* critical conditions */
// #define        LOG_ERR          3        /* error conditions */
// #define        LOG_WARNING      4        /* warning conditions */
// #define        LOG_NOTICE       5        /* normal but significant condition */
// #define        LOG_INFO         6        /* informational */
// #define        LOG_DEBUG        7        /* debug-level messages */
    settings.iDebugLevel = LOG_INFO;
    settings.iCanSimu = 0;
    
    settings.iMotorCount = 1;
    settings.iMotorPwrMinRaw = 38;
    settings.iMotorPwrMaxRaw = 250;
    settings.iMotorPwrStepCount = 7;

    // Get path of the executable itself
    ssize_t length = readlink("/proc/self/exe", settings.sExePath, sizeof(settings.sExePath) - 1);
    if (length >= 0)
    {
        settings.sExePath[length] = '\0';
        mylog(LOG_INFO, "SETTINGS: Executable path: %s", settings.sExePath);
    }
    else
    {
        settings.sExePath[0] = '\0';
        mylog(LOG_ERR, "SETTINGS: Executable path not found!");
    }
}


void Settings_ReadConfFile() 
{
    const char *filename = "/etc/CanRtDriver.conf";

    FILE *file = fopen(filename, "r");
    if (file == NULL) 
    {
        mylog(LOG_ERR, "Failed to open settings file %s", filename);
        return;
    }

    char line[MAX_LINE_LENGTH];
    while (fgets(line, sizeof(line), file)) 
    {
        // 1. Ignore comments and empty lines
        if (line[0] == '#' || line[0] == '\n' || line[0] == '\r') 
        {
            continue;
        }

        // 2. Remove CRLF at end of line
        line[strcspn(line, "\r\n")] = 0;

        // 3. Split line to key and value
        char *key = strtok(line, "=");
        char *value = strtok(NULL, "=");

        if ((key != NULL) && (value != NULL)) 
        {
            mylog(LOG_DEBUG, "SETTINGS: Found key: '%s' | value: '%s'\n", key, value);
            
            // // Beispiel: Wert verarbeiten
            // if (strcmp(key, "port") == 0) 
            // {
            //     int port = atoi(value);
            //     printf("   [System] Port auf %d gesetzt.\n", port);
            // }
        }
    }

    fclose(file);
}