#include <swilib.h>
#include <stdlib.h>
#include <stdio.h>
#include "cpumon.h"
#include "conf_loader.h"
#include "render.h"

extern int const cfgNetType;
extern int const cfgNetDiv;
extern const char cfgNet900[4];
extern const char cfgNete900[4];
extern const char cfgNet1800[4];
extern int uiWidth, uiHeight;

static void init(int rewidth);
static void deinit();
static void tick();
static int getValue(const int x,const int h);
static int getColor(const int x,const int h);
TSensor net_sensor= {0,0,0,0,init,deinit,tick,getValue,0,getColor,0};

static RAMNET *ramnet;
static char *values,*bands;
static int colors[3],minp=0xff,maxp,avgp;

static void init(int rewidth)
{
    colors[0] = Color2ColorByRenderBit(&cfgNet900[0]);
    colors[1] = Color2ColorByRenderBit(&cfgNete900[0]);
    colors[2] = Color2ColorByRenderBit(&cfgNet1800[0]);
    net_sensor.type=cfgNetType;
    net_sensor.div=cfgNetDiv;
    if ((rewidth)||(values==0)) {
        deinit();
        values = malloc(uiWidth);
        zeromem(values, uiWidth);
        bands = malloc(uiWidth);
        ramnet=RamNet();
    }
}

static void deinit()
{
    mfree(values);
    values=0;
    mfree(bands);
    bands=0;
}

int ch2band(int ch)
{
    if (ch>=975)
        return 1;
    else if (ch>=512)
        return 2;
    else
        return 0;
}

static void tick()
{
    int p = ramnet->power;
    int h = net_sensor.hhh;
    if (p) {
        if (p>maxp) {
            maxp=p;
            avgp=maxp-minp;
        }
        if (p<minp) {
            minp=p;
            avgp=maxp-minp;
        }
        values[h] = uiHeight * (maxp-p) / avgp;
    } else values[h]=0;
    bands[h] = ch2band(ramnet->ch_number);
    if(++h>=uiWidth) h=0;
    net_sensor.hhh=h;
}

static int getValue(const int x,const int h)
{
    return values[h];
}

static int getColor(const int x,const int h)
{
    return colors[bands[h]];
}