/*
 * Copyright (C) 1999, Michael Jennings
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

static const char cvs_ident[] = "$Id$";

#include <stdio.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <signal.h>
#include <sys/wait.h>
#include <errno.h>
#include <dirent.h>
#include <unistd.h>
#include "epplet.h"

#if 0
#  define D(x) do {printf("%10s | %7d:  [debug] ", __FILE__, __LINE__); printf x; fflush(stdout);} while (0)
#else
#  define D(x) ((void) 0)
#endif
#define BEGMATCH(a, b)  (!strncasecmp((a), (b), (sizeof(b) - 1)))
#define NONULL(x)       ((x) ? (x) : (""))

Epplet_gadget close_button, cfg_button, label1, label2, label3, label4;
Epplet_gadget cfg_tb_line1, cfg_tb_line2, cfg_tb_line3, cfg_tb_line4;
Window config_win;
char *line1, *line2, *line3, *line4;
int just = 1, cfg_just = 1;

static void timer_cb(void *data);
static void close_cb(void *data);
static void in_cb(void *data, Window w);
static void out_cb(void *data, Window w);
static int delete_cb(void *data, Window win);
static void apply_config(void);
static void ok_cb(void *data);
static void apply_cb(void *data);
static void cancel_cb(void *data);
static void config_cb(void *data);

static void
timer_cb(void *data)
{
  char tm[64];
  struct tm tim;
  struct tm *tim2;
  time_t t2;

  t2 = time(NULL);
  tim2 = localtime(&t2);
  if (tim2) {
    memcpy(&tim, tim2, sizeof(struct tm));
    strftime(tm, 63, line1, &tim);
    Epplet_change_label(label1, tm);
    strftime(tm, 63, line2, &tim);
    Epplet_change_label(label2, tm);
    strftime(tm, 63, line3, &tim);
    Epplet_change_label(label3, tm);
    strftime(tm, 63, line4, &tim);
    Epplet_change_label(label4, tm);
  }
  Epplet_timer(timer_cb, NULL, 0.5, "TIMER");
  return;
  data = NULL;
}

static void
close_cb(void *data)
{
  Epplet_unremember();
  Esync();
  Epplet_cleanup();
  data = NULL;
  exit(0);
}

static void
in_cb(void *data, Window w)
{
  if (w == Epplet_get_main_window()) {
    Epplet_gadget_show(close_button);
    Epplet_gadget_show(cfg_button);
  }
  return;
  data = NULL;
}

static void
out_cb(void *data, Window w)
{
  if (w == Epplet_get_main_window()) {
    Epplet_gadget_hide(close_button);
    Epplet_gadget_hide(cfg_button);
  }
  return;
  data = NULL;
}

static int
delete_cb(void *data, Window win)
{
  config_win = None;
  return 1;
  win = (Window) 0;
  data = NULL;
}

static void
apply_config(void)
{
  char buff[1024];
  int tmp;

  tmp = (cfg_just ? -1 : 1);
  if (just != tmp) {
    just = tmp;
    Epplet_gadget_destroy(label1);
    Epplet_gadget_destroy(label2);
    Epplet_gadget_destroy(label3);
    Epplet_gadget_destroy(label4);
    Epplet_gadget_show(label1 = Epplet_create_label(4 * just, 4, "", 1));
    Epplet_gadget_show(label2 = Epplet_create_label(4 * just, 15, "", 1));
    Epplet_gadget_show(label3 = Epplet_create_label(4 * just, 26, "", 1));
    Epplet_gadget_show(label4 = Epplet_create_label(4 * just, 36, "", 1));
    Esnprintf(buff, sizeof(buff), "%d", just);
    Epplet_modify_config("just", buff);
  }

  strcpy(buff, NONULL(Epplet_textbox_contents(cfg_tb_line1)));
  Epplet_modify_config("line1", buff);
  line1 = Epplet_query_config("line1");

  strcpy(buff, NONULL(Epplet_textbox_contents(cfg_tb_line2)));
  Epplet_modify_config("line2", buff);
  line2 = Epplet_query_config("line2");

  strcpy(buff, NONULL(Epplet_textbox_contents(cfg_tb_line3)));
  Epplet_modify_config("line3", buff);
  line3 = Epplet_query_config("line3");

  strcpy(buff, NONULL(Epplet_textbox_contents(cfg_tb_line4)));
  Epplet_modify_config("line4", buff);
  line4 = Epplet_query_config("line4");

  timer_cb(NULL);
}

static void
ok_cb(void *data)
{
  apply_config();
  Epplet_save_config();
  Epplet_window_destroy(config_win);
  config_win = None;
  return;
  data = NULL;
}

static void
apply_cb(void *data)
{
  apply_config();
  return;
  data = NULL;
}

static void
cancel_cb(void *data)
{
  Epplet_window_destroy(config_win);
  config_win = None;
  return;
  data = NULL;
}

static void
config_cb(void *data)
{
  if (config_win) {
    return;
  }

  config_win = Epplet_create_window_config(200, 230, "E-Time Configuration", ok_cb, NULL, apply_cb, NULL, cancel_cb, NULL);

  Epplet_gadget_show(Epplet_create_label(4, 4, "First Line:", 2));
  Epplet_gadget_show(cfg_tb_line1 = Epplet_create_textbox(NULL, line1, 4, 18, 192, 20, 2, NULL, NULL));

  Epplet_gadget_show(Epplet_create_label(4, 50, "Second Line:", 2));
  Epplet_gadget_show(cfg_tb_line2 = Epplet_create_textbox(NULL, line2, 4, 64, 192, 20, 2, NULL, NULL));

  Epplet_gadget_show(Epplet_create_label(4, 96, "Third Line:", 2));
  Epplet_gadget_show(cfg_tb_line3 = Epplet_create_textbox(NULL, line3, 4, 110, 192, 20, 2, NULL, NULL));

  Epplet_gadget_show(Epplet_create_label(4, 142, "Fourth Line:", 2));
  Epplet_gadget_show(cfg_tb_line4 = Epplet_create_textbox(NULL, line4, 4, 156, 192, 20, 2, NULL, NULL));

  cfg_just = ((just == -1) ? 1 : 0);
  Epplet_gadget_show(Epplet_create_togglebutton(NULL, NULL, 4, 188, 12, 12, &cfg_just, NULL, NULL));
  Epplet_gadget_show(Epplet_create_label(20, 188, "Right-justify text?", 2));

  Epplet_window_show(config_win);
  Epplet_window_pop_context();

  return;
  data = NULL;
}

static void
parse_config(void)
{
  line1 = Epplet_query_config_def("line1", "%A");
  line2 = Epplet_query_config_def("line2", "%e  %b");
  line3 = Epplet_query_config_def("line3", "%H:%M:%S");
  line4 = Epplet_query_config_def("line4", "%Z %Y");
  just = atoi(Epplet_query_config_def("just", "-1"));
}

int
main(int argc, char **argv)
{
  atexit(Epplet_cleanup);

  Epplet_Init("E-Time", "0.1", "Enlightenment Digital Clock Epplet", 3, 3, argc, argv, 0);
  Epplet_load_config();
  parse_config();

  close_button = Epplet_create_std_button("CLOSE", 2, 2, close_cb, NULL);
  cfg_button = Epplet_create_std_button("CONFIGURE", 33, 2, config_cb, NULL);
  Epplet_gadget_show(label1 = Epplet_create_label(4 * just, 4, "", 1));
  Epplet_gadget_show(label2 = Epplet_create_label(4 * just, 15, "", 1));
  Epplet_gadget_show(label3 = Epplet_create_label(4 * just, 26, "", 1));
  Epplet_gadget_show(label4 = Epplet_create_label(4 * just, 36, "", 1));
  Epplet_register_focus_in_handler(in_cb, NULL);
  Epplet_register_focus_out_handler(out_cb, NULL);

  Epplet_show();
  timer_cb(NULL);
  Epplet_Loop();
  return 0;
}