#include <curses.h>
#include <pthread.h>
#include <unistd.h>
#include <stdlib.h>
#include "window.h"
#include "interactions.h"
#include "defines.h"

unsigned int terminal_height;
unsigned int terminal_width;
unsigned int temp_heigth = 0; //used for screen refresh
unsigned int temp_width = 0; 
unsigned int settings;
unsigned int file_modifiers;
unsigned int status; //bit 0 = enable 
char **content_l; //content of parent dir, used in left window
char **content_m; //content of current dir, used in main window
char **content_r; //content of child dir, used in right window
char *path = ".";


int main() {
	initscr(); //start ncurses
	timeout(50); //blocking timeout of getch()
	keypad(stdscr, TRUE);

	getmaxyx(stdscr, terminal_height, terminal_width);
	WINDOW *winl = newwin(terminal_height, terminal_width/3, terminal_height, (terminal_width/3));
	WINDOW *winm = newwin(terminal_height, terminal_width/3, 0, 0);
	WINDOW *winr = newwin(terminal_height, terminal_width/3, terminal_height, ((terminal_width/3)*2));
	file_modifiers ^= FILE_MODIFIERS_HIDDEN_FILES;
	status ^= STATUS_RUN_BACKEND; 
	char input = 0;

	content_l = calloc(1, sizeof(*content_l)); //allocation in order to allow a more streamlined backend
	content_m = calloc(1, sizeof(*content_m));
	content_r = calloc(1, sizeof(*content_r));

	while(!(status & STATUS_QUIT_PROGRAM)){
		getmaxyx(stdscr, temp_heigth, temp_width);

		if (status & STATUS_RUN_BACKEND) {
			pthread_t populate_l;
			pthread_t populate_m;
			pthread_t populate_r;

			pthread_create(&populate_l, NULL, populate_dir, (void*)0); //parent_content slash win_l
			pthread_create(&populate_m, NULL, populate_dir, (void*)1); //current_content slash win_m
			pthread_create(&populate_r, NULL, populate_dir, (void*)2); //child_content slash win_r

			pthread_join(populate_l, NULL);
			pthread_join(populate_m, NULL);
			pthread_join(populate_r, NULL);
		}

			
		getmaxyx(stdscr, terminal_height, terminal_width);
		temp_heigth -= terminal_height;
		temp_width -= terminal_width;
		if (!temp_heigth || !temp_width || (status & STATUS_RUN_BACKEND)) { //updates screen
			window_left(winl, 0, 0, content_l);
			window_main(winm, 0, terminal_width/3, content_m);
			window_right(winr, 0, (terminal_width/3)*2, content_r);
			wmove(stdscr,0,0);

			status ^= STATUS_RUN_BACKEND;
		}


		if ((input = getch())) {
			user_interactions(&input, &status, &settings, &file_modifiers);
		}
	}
	free(content_l);
	free(content_m);
	free(content_r);


	endwin();
	return 0;
}