#include <errno.h>

#include <errno.h>
#include <newt.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "perror.h"
#include "windows.h"

/* this makes no attempt to look nice */
static void vwindow(int left, int top, int width, int height, char * title,
char * message, va_list args) {
newtComponent b1, t, f;
char * buf = NULL;
int size = 0;
int i = 0;

do {
size += 1000;
if (buf) free(buf);
buf = malloc(size);
i = vsnprintf(buf, size, message, args);
} while (i == size);

newtOpenWindow(left, top, width, height, title);

b1 = newtButton((width - 8) / 2, height - 4, "Ok");
t = newtTextbox(1, 1, width - 2, height - 5, NEWT_TEXTBOX_WRAP);
newtTextboxSetText(t, buf);
f = newtForm(NULL, NULL, 0);

free(buf);

newtFormAddComponents(f, t, b1, NULL);

newtRunForm(f);

newtFormDestroy(f);
newtPopWindow();
}

void winMessage(int left, int top, int width, int height, char * title,
char * message, ...) {
va_list args;

va_start(args, message);
vwindow(left, top, width, height, title, message, args);
va_end(args);
}

void messageWindow(char * title, char * message, ...) {
va_list args;

va_start(args, message);
vwindow(17, 4, 45, 15, title, message, args);
va_end(args);
}

void errorWindow(char * str) {
char * a;

a = alloca(strlen(str) + 5);
strcpy(a, str);
strcat(a, ": %s");

messageWindow("Error", str, strerror(errno));
}

void winStatus(int width, int height, char * title,
char * text, ...) {
newtComponent t, f;
char * buf = NULL;
int size = 0;
int i = 0;
va_list args;

va_start(args, text);

do {
size += 1000;
if (buf) free(buf);
buf = malloc(size);
i = vsnprintf(buf, size, text, args);
} while (i == size);

va_end(args);

newtOpenWindow(40 - (width / 2), 11 - (height / 2), width, height, title);

t = newtTextbox(1, 1, width - 2, height - 2, NEWT_TEXTBOX_WRAP);
newtTextboxSetText(t, buf);
f = newtForm(NULL, NULL, 0);

free(buf);

newtFormAddComponent(f, t);

newtDrawForm(f);
newtRefresh();
newtFormDestroy(f);
}