/* showword.c    function for show word
 * Copyright (c) 2004 by SmartLu <smartlu@eyou.com> All Rights Reserved
 * Distributed under the terms of the GNU General Public License (GPL)
 * See the GNU Library General Public License for more details.
 */

#include "srecite.h"

/* get next index */
static void get_next_index();

/* stop show word when menuitem stop is click*/
void show_stop()
{
//	g_print("click stop \n");

	timer_uninstall();
	
	//inacitve stop_button
	gtk_widget_set_sensitive(stop_button,0);
	//active play button
	gtk_widget_set_sensitive(play_button,1);
}

/* play show word when menuitem play is click*/
void show_play()
{
//	g_print("click play \n");

	//install timer
	timer_install();
	
	//inacitve play_button
	gtk_widget_set_sensitive(play_button,0);
	//active stop button
	gtk_widget_set_sensitive(stop_button,1);

}

/* back show word when menuitem back is click*/
void show_back()
{

	//no random
	//S_conf.random = 0;

	//no timer!
	timer_uninstall();
	
//	g_print("click back \n");
	
	//because show_word will ++;
	if(S_conf.style == 0)
	{
		S_state.word_index -= 2;
		while(word_tag[S_state.word_index] == 1)
			S_state.word_index --;
		show_word();
	}
	if(S_conf.style == 1)
	{
		if(S_state.style_step == 0)
		{
			S_state.word_index -= 2;
			while(word_tag[S_state.word_index] == 1)
				S_state.word_index --;
		}

		if(S_state.style_step == 1)
			S_state.word_index --;

		show_word();
	}
	//inacitve stop_button
	gtk_widget_set_sensitive(stop_button,0);
	//active play button
	gtk_widget_set_sensitive(play_button,1);

}
/* next show word when menuitem next is click*/
void show_next()
{
	//no random
	//S_conf.random = 0;

//	g_print("click next \n");

	// no timer!
	timer_uninstall();

	//show next word!
	
	if(S_conf.style == 0)
	{
		show_word();
	}
	if(S_conf.style == 1)
	{
		if(S_state.style_step == 1)
			S_state.word_index --;
		show_word();
	}
	
	//inacitve stop_button
	gtk_widget_set_sensitive(stop_button,0);
	//active play button
	if(S_state.word_index < word_count )
		gtk_widget_set_sensitive(play_button,1);
}


/* random show word when menuitem random is click*/
void show_random()
{

//	g_print("click random \n");
	if(GTK_CHECK_MENU_ITEM(random_menu_item)->active)
	{
		S_conf.random = 1;
		g_print("random switch ON! S_conf.random = %d\n",S_conf.random);
	}
	else
	{
		S_conf.random = 0;
		g_print("random switch OFF! S_conf.random = %d\n",S_conf.random);
	}


}

/* get next index */
static void get_next_index()
{
	int randnum;

	if(S_conf.random == 1)
	{
		// 0< random num < (word_count-1)
		randnum = rand() % (word_count-1);
		S_state.word_index = randnum;
	}

	while(word_tag[S_state.word_index] == 1)
	{
		if(S_conf.random == 1)
		{
			randnum = rand() % (word_count-1);
			S_state.word_index = randnum;
		}

		S_state.word_index ++;
	}
}


//show S_line in label,fist step
gint show_word()
{
	gchar text[256];
	
	get_next_index();

	if(S_conf.style == 0)
	{
		// read line!!!!!
		read_line();//change S_line;
		
		strcpy(text,"");	
		if(S_conf.EN_word)
		{
			strcat(text,S_line.EN_word);
		}
		//not show TK_word
		//show_photetic();
		if(S_conf.TK_word)
		{
			if(S_conf.show_format == 0)
				strcat(text,"\n");
			else
				strcat(text,"  ");
			
			strcat(text,S_line.TK_word);
		}
		if(S_conf.CH_word)
		{
			if(S_conf.show_format == 2)
				strcat(text,"  ");
			else
				strcat(text,"\n");

			strcat(text,S_line.CH_word);

		}

//		strcpy(wordname,"");
//		strcpy(wordname,S_line.EN_word);	

		// read aloudly
		read_word(S_line.EN_word);

	}
	else
	{
		if(S_state.style_step == 0)
		{
			//step 1,show EN
			read_line();//change S_line;

			strcpy(text,"");	
			strcat(text,S_line.EN_word);
			if(S_conf.show_format == 1)
				strcat(text,"\n");
			if(S_conf.show_format == 0)
				strcat(text,"\n\n");
			S_state.style_step = 1;
		}
		else
		{
			//step 2,show EN and CH
			strcpy(text,"");	
			//if(S_conf.EN_word)
			{
				strcat(text,S_line.EN_word);
			}
			//not show TK_word
			//show_photetic();
			//if(S_conf.TK_word)
			{
				if(S_conf.show_format == 0)
					strcat(text,"\n");
				else
					strcat(text,"  ");

				strcat(text,S_line.TK_word);
			}
			//if(S_conf.CH_word)
			{
				if(S_conf.show_format == 2)
					strcat(text,"  ");
				else
					strcat(text,"\n");
				
				strcat(text,S_line.CH_word);
			}
			S_state.style_step = 0;

			// read aloudly
			read_word(S_line.EN_word);

		}
	}

	// fix window size
	fix_window_usize();
	//g_print("get a text =  %s \n\n",text);
	
	if(S_state.word_index >= word_count)
	// end of word book
	{
		show_stop();
		gtk_widget_set_sensitive(next_button,0);
		gtk_widget_set_sensitive(play_button,0);
		gtk_label_set(GTK_LABEL(label),"End of word book :)\nGood Good Study, Day Day Up!");//show word in label
	}
	else if(S_state.word_index < 0)
	// start of word book
	{
		show_stop();
		gtk_widget_set_sensitive(back_button,0);
		gtk_label_set(GTK_LABEL(label),"Head of word book :)\nSome Dance to Remember\nSome Dance to Forget");//show word in label
	}
	else
	// normal
	{
		gtk_widget_set_sensitive(next_button,1);

		gtk_label_set(GTK_LABEL(label),text);//show word in label
	}


	// word_index ++ for next word
	S_state.word_index ++;

	return 1;
}

/* show banner */
void show_banner(gchar * banner)
{
	gtk_label_set(GTK_LABEL(label),banner);//show word in label
}


/*
void show_go()
{
	
}
*/