#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>

#define PUTTY_DO_GLOBALS
#include "putty.h"
#include "dialog.h"
#include "terminal.h"

/* For Unix in particular, but harmless if this main() is reused elsewhere */
const bool buildinfo_gtk_relevant = false;

static const TermWinVtable fuzz_termwin_vt;

int main(int argc, char **argv)
{
        char blk[512];
        size_t len;
        Terminal *term;
        Conf *conf;
        struct unicode_data ucsdata;
        TermWin termwin;

        termwin.vt = &fuzz_termwin_vt;

        conf = conf_new();
        do_defaults(NULL, conf);
        init_ucs(&ucsdata, conf_get_str(conf, CONF_line_codepage),
                 conf_get_bool(conf, CONF_utf8_override),
                 CS_NONE, conf_get_int(conf, CONF_vtmode));

        term = term_init(conf, &ucsdata, &termwin);
        term_size(term, 24, 80, 10000);
        term->ldisc = NULL;
        /* Tell american fuzzy lop that this is a good place to fork. */
#ifdef __AFL_HAVE_MANUAL_CONTROL
        __AFL_INIT();
#endif
        while (!feof(stdin)) {
                len = fread(blk, 1, sizeof(blk), stdin);
                term_data(term, false, blk, len);
        }
        term_update(term);
        return 0;
}

/* functions required by terminal.c */
static bool fuzz_setup_draw_ctx(TermWin *tw) { return true; }
static void fuzz_draw_text(
    TermWin *tw, int x, int y, wchar_t *text, int len,
    unsigned long attr, int lattr, truecolour tc)
{
    int i;

    printf("TEXT[attr=%08lx,lattr=%02x]@(%d,%d):", attr, lattr, x, y);
    for (i = 0; i < len; i++) {
        printf(" %x", (unsigned)text[i]);
    }
    printf("\n");
}
static void fuzz_draw_cursor(
    TermWin *tw, int x, int y, wchar_t *text, int len,
    unsigned long attr, int lattr, truecolour tc)
{
    int i;

    printf("CURS[attr=%08lx,lattr=%02x]@(%d,%d):", attr, lattr, x, y);
    for (i = 0; i < len; i++) {
        printf(" %x", (unsigned)text[i]);
    }
    printf("\n");
}
static void fuzz_draw_trust_sigil(TermWin *tw, int x, int y)
{
    printf("TRUST@(%d,%d)\n", x, y);
}
static int fuzz_char_width(TermWin *tw, int uc) { return 1; }
static void fuzz_free_draw_ctx(TermWin *tw) {}
static void fuzz_set_cursor_pos(TermWin *tw, int x, int y) {}
static void fuzz_set_raw_mouse_mode(TermWin *tw, bool enable) {}
static void fuzz_set_scrollbar(TermWin *tw, int total, int start, int page) {}
static void fuzz_bell(TermWin *tw, int mode) {}
static void fuzz_clip_write(
    TermWin *tw, int clipboard, wchar_t *text, int *attrs,
    truecolour *colours, int len, bool must_deselect) {}
static void fuzz_clip_request_paste(TermWin *tw, int clipboard) {}
static void fuzz_refresh(TermWin *tw) {}
static void fuzz_request_resize(TermWin *tw, int w, int h) {}
static void fuzz_set_title(TermWin *tw, const char *title) {}
static void fuzz_set_icon_title(TermWin *tw, const char *icontitle) {}
static void fuzz_set_minimised(TermWin *tw, bool minimised) {}
static bool fuzz_is_minimised(TermWin *tw) { return false; }
static void fuzz_set_maximised(TermWin *tw, bool maximised) {}
static void fuzz_move(TermWin *tw, int x, int y) {}
static void fuzz_set_zorder(TermWin *tw, bool top) {}
static bool fuzz_palette_get(TermWin *tw, int n, int *r, int *g, int *b)
{ return false; }
static void fuzz_palette_set(TermWin *tw, int n, int r, int g, int b) {}
static void fuzz_palette_reset(TermWin *tw) {}
static void fuzz_get_pos(TermWin *tw, int *x, int *y) { *x = *y = 0; }
static void fuzz_get_pixels(TermWin *tw, int *x, int *y) { *x = *y = 0; }
static const char *fuzz_get_title(TermWin *tw, bool icon) { return "moo"; }
static bool fuzz_is_utf8(TermWin *tw) { return true; }

static const TermWinVtable fuzz_termwin_vt = {
    fuzz_setup_draw_ctx,
    fuzz_draw_text,
    fuzz_draw_cursor,
    fuzz_draw_trust_sigil,
    fuzz_char_width,
    fuzz_free_draw_ctx,
    fuzz_set_cursor_pos,
    fuzz_set_raw_mouse_mode,
    fuzz_set_scrollbar,
    fuzz_bell,
    fuzz_clip_write,
    fuzz_clip_request_paste,
    fuzz_refresh,
    fuzz_request_resize,
    fuzz_set_title,
    fuzz_set_icon_title,
    fuzz_set_minimised,
    fuzz_is_minimised,
    fuzz_set_maximised,
    fuzz_move,
    fuzz_set_zorder,
    fuzz_palette_get,
    fuzz_palette_set,
    fuzz_palette_reset,
    fuzz_get_pos,
    fuzz_get_pixels,
    fuzz_get_title,
    fuzz_is_utf8,
};

void ldisc_send(Ldisc *ldisc, const void *buf, int len, bool interactive) {}
void ldisc_echoedit_update(Ldisc *ldisc) {}
void modalfatalbox(const char *fmt, ...) { exit(0); }
void nonfatal(const char *fmt, ...) { }

/* needed by timing.c */
void timer_change_notify(unsigned long next) { }

/* needed by config.c and sercfg.c */

void dlg_radiobutton_set(union control *ctrl, dlgparam *dp, int whichbutton) { }
int dlg_radiobutton_get(union control *ctrl, dlgparam *dp) { return 0; }
void dlg_checkbox_set(union control *ctrl, dlgparam *dp, bool checked) { }
bool dlg_checkbox_get(union control *ctrl, dlgparam *dp) { return false; }
void dlg_editbox_set(union control *ctrl, dlgparam *dp, char const *text) { }
char *dlg_editbox_get(union control *ctrl, dlgparam *dp)
{ return dupstr("moo"); }
void dlg_listbox_clear(union control *ctrl, dlgparam *dp) { }
void dlg_listbox_del(union control *ctrl, dlgparam *dp, int index) { }
void dlg_listbox_add(union control *ctrl, dlgparam *dp, char const *text) { }
void dlg_listbox_addwithid(union control *ctrl, dlgparam *dp,
                           char const *text, int id) { }
int dlg_listbox_getid(union control *ctrl, dlgparam *dp, int index)
{ return 0; }
int dlg_listbox_index(union control *ctrl, dlgparam *dp) { return -1; }
bool dlg_listbox_issel(union control *ctrl, dlgparam *dp, int index)
{ return false; }
void dlg_listbox_select(union control *ctrl, dlgparam *dp, int index) { }
void dlg_text_set(union control *ctrl, dlgparam *dp, char const *text) { }
void dlg_filesel_set(union control *ctrl, dlgparam *dp, Filename *fn) { }
Filename *dlg_filesel_get(union control *ctrl, dlgparam *dp) { return NULL; }
void dlg_fontsel_set(union control *ctrl, dlgparam *dp, FontSpec *fn) { }
FontSpec *dlg_fontsel_get(union control *ctrl, dlgparam *dp) { return NULL; }
void dlg_update_start(union control *ctrl, dlgparam *dp) { }
void dlg_update_done(union control *ctrl, dlgparam *dp) { }
void dlg_set_focus(union control *ctrl, dlgparam *dp) { }
void dlg_label_change(union control *ctrl, dlgparam *dp, char const *text) { }
union control *dlg_last_focused(union control *ctrl, dlgparam *dp)
{ return NULL; }
void dlg_beep(dlgparam *dp) { }
void dlg_error_msg(dlgparam *dp, const char *msg) { }
void dlg_end(dlgparam *dp, int value) { }
void dlg_coloursel_start(union control *ctrl, dlgparam *dp,
                         int r, int g, int b) { }
bool dlg_coloursel_results(union control *ctrl, dlgparam *dp,
                           int *r, int *g, int *b) { return false; }
void dlg_refresh(union control *ctrl, dlgparam *dp) { }
bool dlg_is_visible(union control *ctrl, dlgparam *dp) { return false; }

const char *const appname = "FuZZterm";
const int ngsslibs = 0;
const char *const gsslibnames[0] = { };
const struct keyvalwhere gsslibkeywords[0] = { };

/*
 * Default settings that are specific to Unix plink.
 */
char *platform_default_s(const char *name)
{
    if (!strcmp(name, "TermType"))
        return dupstr(getenv("TERM"));
    if (!strcmp(name, "SerialLine"))
        return dupstr("/dev/ttyS0");
    return NULL;
}

bool platform_default_b(const char *name, bool def)
{
    return def;
}

int platform_default_i(const char *name, int def)
{
    return def;
}

FontSpec *platform_default_fontspec(const char *name)
{
    return fontspec_new("");
}

Filename *platform_default_filename(const char *name)
{
    if (!strcmp(name, "LogFileName"))
        return filename_from_str("putty.log");
    else
        return filename_from_str("");
}

char *x_get_default(const char *key)
{
    return NULL;                       /* this is a stub */
}