#include <curses.h>
#include <dirent.h>
#include "defines.h"
#include "sorting.h"

extern unsigned int settings;
extern unsigned int file_modifiers;


void get_dir_size(char *path, unsigned long *dir_length_width, unsigned long *dir_width){
	DIR *dir = opendir(path);
	if (dir) {
		unsigned long entry_count = 0;
		unsigned long max_length;
		struct dirent *entry;
		while ((entry=readdir(dir))) { 
			if (entry->d_name[0] != '.' || (file_modifiers & FILE_MODIFIERS_HIDDEN_FILES)) {
				unsigned int current_length = 0;
				unsigned int i = 0;
				for (; entry->d_name[i] != '\0'; i++) {
					current_length++;
				}
				if (current_length > max_length) {
					/*dynamic filename length to save on memory*/
					max_length = current_length;
				}
				entry_count++;
			} else {
			}
		}
		dir_length_width[0] = entry_count;
		dir_length_width[1] = max_length;
	}	
	closedir(dir);

}

void get_dir_content(char *path, unsigned long *dir_length_width, unsigned long *dir_width, char *dir_content){
	struct dirent **entry;
	if (file_modifiers & FILE_MODIFIERS_HIDDEN_FILES) { /* print hidden files */
		dir_length_width[0] = scandir(path, &entry, NULL, alphasort);
	} else {
		dir_length_width[0] = scandir(path, &entry, skip_hidden_files, alphasort);
	}

	unsigned long i = 0;
	for (i = 0; i < dir_length_width[0]; i++ ) { 
		if (entry[i]->d_name[0] == '.' && !(file_modifiers & FILE_MODIFIERS_HIDDEN_FILES)) {
		} else {
			unsigned long j = 0;
			for (; entry[i]->d_name[j] != '\0'; j++) {
				dir_content[i * dir_length_width[1] + j] = entry[i]->d_name[j];
			}
			dir_width[i] = j;
		}
	}
	for (i = 0; i < dir_length_width[0]; i++) {
		free(entry[i]);
	}
	free(entry);

}

void print_dir(WINDOW *win, unsigned long *dir_length_width, unsigned long *file_width, char *dir_content){

	unsigned long i = 0;
	for (i = 0; i<dir_length_width[0]; i++) {
		unsigned long j = 0;
		for (j = 0; j < file_width[i]; j++){
			mvwprintw(win, i, j, "%c", dir_content[i * dir_length_width[1] + j]); 
		}
	}


}