/*
 * monitor.c
 *
 *  Created on: 18 июл. 2022 г.
 *      Author: alexander
 */

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

#include "monitor.h"
#include "rxrandr.h"

static bool checkMonitor(Monitors *dbMonitors, x_info *pcMonitors)
{
    if (!dbMonitors->size || !pcMonitors->count ||
            !(dbMonitors->size == pcMonitors->count))
    {
        return false;
    }

    bool compare = false;

    for (size_t i = 0; i < dbMonitors->size; ++i)
    {
        for (size_t j = 0; j < pcMonitors->count; ++j)
        {
            if (!strcmp(pcMonitors->monitor[j].name, dbMonitors->monitor[i]->data[1]))
            {
                compare = true;
            }
        }

        if (!compare)
        {
            return false;
        }

        compare = false;
    }

    return true;
}

Monitors *loadMonitors()
{
    Monitors *dbMonitors = dbGetMonitorsList();
    x_info *pcMonitors = getXInfo();
    if (!checkMonitor(dbMonitors, pcMonitors))                                              // Если строки не равны, произвести перезапись в БД
    {
        if (dbMonitors)
            dbFreeMonitors(dbMonitors);

        if (!deleteAllMonitors())
        {
            fprintf(stderr, "Не удалось удалить записи мониторов из БД\n");
            exit(1);
        }

        for (size_t i = 0; i < pcMonitors->count; ++i)
        {
            dbAddMonitor(pcMonitors->monitor[i].name, pcMonitors->monitor[i].primary);
        }
        freeXInfo(pcMonitors);

        return dbGetMonitorsList();
    }

    freeXInfo(pcMonitors);

    return dbMonitors;
}

void freeMonitors(Monitors *monitors)
{
    for (size_t i = 0; i < monitors->size; ++i)
    {
        free(monitors->monitor[i]->data[2]);
        free(monitors->monitor[i]->data[3]);
        free(monitors->monitor[i]->data);
        free(monitors->monitor[i]);
    }
    free(monitors);
}