#include <curses.h>
#include <pthread.h>
#include <unistd.h>

#include "defines.h"
#include "dir.h"

extern unsigned int terminal_height;
extern unsigned int terminal_width;
extern unsigned int status;
extern char *input;

extern unsigned int timeout_time;
extern unsigned int color_count;
extern color *colors;

extern dir rgt_dir;
extern dir mid_dir;
extern dir lft_dir;
extern char *top_buffer;
extern char *rgt_buffer;
extern char *btm_buffer;


extern unsigned long top_width;

extern pthread_mutex_t mutex_top;
extern pthread_mutex_t mutex_btm;
extern pthread_mutex_t mutex_lft;
extern pthread_mutex_t mutex_mid;
extern pthread_mutex_t mutex_rgt;

void window_top(WINDOW *win){

	if (pthread_mutex_trylock(&mutex_top) == 0) {
		if (*top_buffer != ' ') { /*printing ' ' (standard initialized value, see threading_init) makes valgrind throw a fuss*/
			wattron(win, COLOR_PAIR(COLOR_PATH));
			mvwaddstr(win, 0, 0, top_buffer);
			mvwaddch(win, 0, strlen(top_buffer), '/');
			wattroff(win, COLOR_PAIR(COLOR_PATH));
			if (mid_dir.file_count != 0) {
				mvwaddstr(win, 0, strlen(top_buffer)+1, mid_dir.current_file->file_name);
			}
		}
		pthread_mutex_unlock(&mutex_top);
	} else {
		mvwaddstr(win, 0, terminal_width/2, "LOADING"); 
		/*
		status |= STATUS_UPDATE_SCREEN_GENERIC;
		*/
	}
}
void window_btm(WINDOW *win){

	if (pthread_mutex_trylock(&mutex_btm) == 0) {
		if (*top_buffer != ' ') { /*printing ' ' (standard initialized value, see threading_init) makes valgrind throw a fuss*/
			mvwprintw(win, 0, 0, "%s", btm_buffer);
		}
		pthread_mutex_unlock(&mutex_btm);
		/*the printing of the input char is done in user_interactions*/
		/*the printing of all possible inputs are done in user_interactions */
	}  else {
		mvwaddstr(win, 0, terminal_width/2, "LOADING"); 
		/*
		status |= STATUS_UPDATE_SCREEN_GENERIC;
		*/
	}
}
void window_lft(WINDOW *win){

	if (pthread_mutex_trylock(&mutex_lft) == 0) {
		print_dir(win, 0, &lft_dir);
		pthread_mutex_unlock(&mutex_lft);

	} else {
		mvwaddstr(win, terminal_height/2, terminal_width/8, "LOADING"); 
		/*
		status |= STATUS_UPDATE_SCREEN_GENERIC;
		*/
	}
}
void window_mid(WINDOW *win){

	if (pthread_mutex_trylock(&mutex_mid) == 0) {
		if (mid_dir.file_count == 0) {
			mvwaddstr(win, 0, 0, "empty");
		} else {
			print_dir(win, 1, &mid_dir);
		}
		pthread_mutex_unlock(&mutex_mid);
	} else {
		mvwaddstr(win, terminal_height/2, terminal_width/4, "LOADING"); 
		/*
		status |= STATUS_UPDATE_SCREEN_GENERIC;
		*/
	}
}
void window_rgt(WINDOW *win){

	if (pthread_mutex_trylock(&mutex_rgt) == 0) {
		if (!rgt_dir.current_file) {
			mvwaddstr(win, 0, 0, "not accessible");
		}else if (rgt_dir.current_file->file_type == FILE_TYPE_OPEN_FILE) {
			mvwaddnstr(win, 0, 0, rgt_buffer, (terminal_width/2) * terminal_width);
		} else if ((rgt_dir.current_file->permissions & S_IRUSR) == 0) {
			mvwaddstr(win, 0, 0, "not accessible");
		} else {
			print_dir(win, 0, &rgt_dir);
		}

		pthread_mutex_unlock(&mutex_rgt);
	} else {
		mvwaddstr(win, terminal_height/2, terminal_width/4, "LOADING"); 
		/*
		status |= STATUS_UPDATE_SCREEN_GENERIC;
		*/
	}
}