#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define PACKAGE_EXAMPLES_DIR "."
#define __UNUSED__
#endif

#include <Ecore.h>
#include <Ecore_Evas.h>
#include <Edje.h>
#include <stdio.h>

#define WIDTH  (300)
#define HEIGHT (300)

static const char *border_img_path = PACKAGE_EXAMPLES_DIR "/red.png";
static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/sigtest.edj";

static Ecore_Evas *ee;
static Evas_Object *edje_obj;

static const char commands[] = \
  "commands are:\n"
  "\te - change te edje base\n"
  "\tl - change to lua base\n"
  "\tm - send message\n"
  "\ts - send signal\n"
  "\th - print help\n";

static void
_on_keydown(void        *data __UNUSED__,
            Evas        *evas __UNUSED__,
            Evas_Object *o __UNUSED__,
            void        *einfo)
{
   Evas_Event_Key_Down *ev = einfo;

   if (strcmp(ev->keyname, "h") == 0)
     {
        fprintf(stdout, commands);
        return;
     }

   if (strcmp(ev->keyname, "e") == 0)
     {
      if (!edje_object_file_set(edje_obj, edje_file_path, "plain/edje/group"))
        {
           int err = edje_object_load_error_get(edje_obj);
           const char *errmsg = edje_load_error_str(err);

           fprintf(stderr, "Could not load 'plain/edje/group' from sigtest.edj: %s\n", errmsg);
        }
      else
         fprintf(stdout, "Loaded Edje object bound to group 'plain/edje/group' from"
                         " file sigtest.edj with success!\n");
        return;
     }

   if (strcmp(ev->keyname, "l") == 0)
     {
      if (!edje_object_file_set(edje_obj, edje_file_path, "lua_base"))
        {
           int err = edje_object_load_error_get(edje_obj);
           const char *errmsg = edje_load_error_str(err);

           fprintf(stderr, "Could not load 'lua_base' from sigtest.edj: %s\n", errmsg);
        }
      else
         fprintf(stdout, "Loaded Edje object bound to group 'lua_base' from"
                         " file sigtest.edj with success!\n");
        return;
     }

   if (strcmp(ev->keyname, "m") == 0)
     {
        Edje_Message_String *msg = malloc(sizeof(*msg));

	fprintf(stdout, "\n");
        msg->str = strdup("C message text");
        edje_object_message_send(edje_obj, EDJE_MESSAGE_STRING, 2, msg);
        free(msg);
	fprintf(stdout, "C message sent\n");
        return;
     }

   if (strcmp(ev->keyname, "s") == 0)
     {
	fprintf(stdout, "\n");
        edje_object_signal_emit(edje_obj, "C signal 1", "Csource");
        edje_object_signal_emit(edje_obj, "bubbles_lua:C signal 2", "Csource");
	fprintf(stdout, "C signal sent\n");
        return;
     }
}

static void
_on_message(void *data, Evas_Object *obj, Edje_Message_Type type, int id, void *msg)
{
   int i;

   fprintf(stdout, "C::message id=%d type=%d ", id, type);
   switch (type)
     {
        case EDJE_MESSAGE_NONE :
          {
             fprintf(stdout, " NONE");
             break;
          }

        case EDJE_MESSAGE_SIGNAL :
          {
             fprintf(stdout, " SIGNAL ");
             break;
          }

        case EDJE_MESSAGE_STRING :
          {
             Edje_Message_String *mmsg = msg;

             fprintf(stdout, " STRING %s", mmsg->str);
             break;
          }

        case EDJE_MESSAGE_INT :
          {
             Edje_Message_Int *mmsg = msg;

             fprintf(stdout, " INT %d", mmsg->val);
             break;
          }

        case EDJE_MESSAGE_FLOAT :
          {
             Edje_Message_Float *mmsg = msg;

             fprintf(stdout, " FLOAT %f", mmsg->val);
             break;
          }

        case EDJE_MESSAGE_STRING_SET :
          {
             Edje_Message_String_Set *mmsg = msg;

             fprintf(stdout, " STRING_SET -\n");
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %s\n", mmsg->str[i]);
             break;
          }

        case EDJE_MESSAGE_INT_SET :
          {
             Edje_Message_Int_Set *mmsg = msg;

             fprintf(stdout, " INT_SET -\n");
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %d\n", mmsg->val[i]);
             break;
          }

        case EDJE_MESSAGE_FLOAT_SET :
          {
             Edje_Message_Float_Set *mmsg = msg;

             fprintf(stdout, " FLOAT_SET -\n");
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %f\n", mmsg->val[i]);
             break;
          }

        case EDJE_MESSAGE_STRING_INT :
          {
             Edje_Message_String_Int *mmsg = msg;

             fprintf(stdout, " STRING_INT %s %d", mmsg->str, mmsg->val);
             break;
          }

        case EDJE_MESSAGE_STRING_FLOAT :
          {
             Edje_Message_String_Float *mmsg = msg;

             fprintf(stdout, " STRING_FLOAT %s %f", mmsg->str, mmsg->val);
             break;
          }

        case EDJE_MESSAGE_STRING_INT_SET :
          {
             Edje_Message_String_Int_Set *mmsg = msg;

             fprintf(stdout, " STRING_INT_SET %s -\n", mmsg->str);
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %d\n", mmsg->val[i]);
             break;
          }

        case EDJE_MESSAGE_STRING_FLOAT_SET :
          {
             Edje_Message_String_Float_Set *mmsg = msg;

             fprintf(stdout, " STRING_FLOAT_SET %s -\n", mmsg->str);
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %f\n", mmsg->val[i]);
             break;
          }
     }
   fprintf(stdout, "\n");
}

static void
_on_signal(void *data, Evas_Object *obj __UNUSED__, const char  *emission, const char  *source)
{
   fprintf(stdout, "C::signal sig=|%s| src=|%s|\n", emission, source);
}

static void
_on_delete(Ecore_Evas *ee __UNUSED__)
{
   ecore_main_loop_quit();
}

int
main(void)
{
   Evas_Object *border, *bg;
   Evas *evas;

   if (!ecore_evas_init())
     return EXIT_FAILURE;

   if (!edje_init())
     return EXIT_FAILURE;

   /* this will give you a window with an Evas canvas under the first
    * engine available */
   ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
   if (!ee)
     goto error;

   ecore_evas_callback_delete_request_set(ee, _on_delete);
   ecore_evas_title_set(ee, "Signals and wessages tester");
   ecore_evas_show(ee);

   evas = ecore_evas_get(ee);

   bg = evas_object_rectangle_add(evas);
   evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
   evas_object_move(bg, 0, 0); /* at canvas' origin */
   evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
   evas_object_show(bg);
   ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);

   evas_object_focus_set(bg, EINA_TRUE);
   evas_object_event_callback_add(
       bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, NULL);

   edje_obj = edje_object_add(evas);

   edje_object_message_handler_set(edje_obj, _on_message, NULL);
   edje_object_signal_callback_add(edje_obj, "*", "*", _on_signal, NULL);

   if (!edje_object_file_set(edje_obj, edje_file_path, "lua_base"))
     {
        int err = edje_object_load_error_get(edje_obj);
        const char *errmsg = edje_load_error_str(err);
        fprintf(stderr, "Could not load 'lua_base' from sigtest.edj: %s\n",
                errmsg);

        evas_object_del(edje_obj);
        goto error_edj;
     }

   fprintf(stdout, "Loaded Edje object bound to group 'lua_base' from"
                   " file sigtest.edj with success!\n");

   evas_object_move(edje_obj, 20, 20);
   evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40);
   evas_object_show(edje_obj);

   /* this is a border around the Edje object above, here just to
    * emphasize its geometry */
   border = evas_object_image_filled_add(evas);
   evas_object_image_file_set(border, border_img_path, NULL);
   evas_object_image_border_set(border, 2, 2, 2, 2);
   evas_object_image_border_center_fill_set(border, EVAS_BORDER_FILL_NONE);

   evas_object_resize(border, WIDTH - 40 + 4, HEIGHT - 40 + 4);
   evas_object_move(border, 20 - 2, 20 - 2);
   evas_object_show(border);

   ecore_main_loop_begin();

   ecore_evas_free(ee);
   ecore_evas_shutdown();
   edje_shutdown();
   return 0;

error:
   fprintf(stderr, "You got to have at least one evas engine built"
                   " and linked up to ecore-evas for this example to run"
                   " properly.\n");
   ecore_evas_shutdown();
   return -1;

error_edj:
   fprintf(stderr, "Failed to load sigtest.edj!\n");

   ecore_evas_shutdown();
   return -2;
}