#include "liblog.h"

#define FX9860G
#include <gint/display.h>
// Console avec autoscrolling
// equivalent des "Hello" de basic
static int debut=1; // ligne du haut
static int current=7;
static int cursor=0;
static char console [8][22]=
{
    "                     ",
    "                     ",
    "                     ",
    "                     ",
    "                     ",
    "                     ",
    "                     ",
    "                     "
};

static void next_line()
{
    current ++;
    debut ++;
    if (debut==24)
        debut-=8;
    current %= 8;
    cursor=0;
}

static void show_line(int l)
{
    dtext(1,1+8*l, &console[(current+l)%8][0], C_BLACK, C_NONE);
}

static void set_character(char c)
{

    if (c=='\0' || c=='\n')
    {
        console [current] [cursor] = '\0';
        next_line();
    }
    else
    {
        console [current] [cursor] = c;
        cursor++;
    }
    if (cursor==21)
        next_line();
}

// log something
void ll_log(const char * txt)
{
    // securite
    debut %= 8;
    current %= 8;
    // fin securite

    int i=0;
    while (1)
    {
        char c=txt[i];
        set_character(c);
        i++;
        if (c=='\0')
            break;
    }

    // securite
    for (int t=0; t<8; t++)
        console[t][21]='\0';
    // fin securite
}

void ll_display_log()
{
    dclear(C_WHITE);
    for (int i=0; i<8; i++)
        show_line(i);
    dupdate();
}