#include <stdlib.h>
#include <stdio.h>
#include "../put_pixel.h"

extern char**environ;

//default
char *argv1[]={"xterm","/bin/fsh",0};   

int main(int argc, char **argv)
{
    // we need a window
    _gui_win();

    // basically loads font and sets a few constants
    vesa_init(NULL);

    // init tty and set vesa output funcs
    void *tty=terminal_init_vesa();

    //int xterm_in[2];
    int xterm_out[2];

    //_pipe(xterm_in);
    pipe(xterm_out);

    int tty_fd=_open("/dev/tty");

    int pid=fork();   

    if(!pid) // child
    {
            //_close(xterm_in[1]);
            close(xterm_out[0]);

            dup2(tty_fd,0);// stdin
            dup2(xterm_out[1],1);// stdout
            dup2(xterm_out[1],2);// stderr

             // replace process with our foolshell or whatever
            if(argc==1)_execve(argv1[1],argv1,environ); 
            execve(argv[1],argv,environ);
            
            printf("unable to execve %s",argv[1]); // never reached hopefully
            while(1);
    }
    else{
        // TODO quit if execve fails or child exits...

        //_close(xterm_in[0]);
        close(xterm_out[1]);

        //_dup2(xterm_in[1],0); // compositor writes here.
        //_close(xterm_in[1]);
        
        while(1)
        {
            char buf[1];
            read(xterm_out[0],buf,1); // show what foolshell writes to its stdout/stderr
            terminal_put(tty,buf[0]);
        }
    }

}