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/*

 * forms.c

 *

 * Heath Caldwell

 * hncaldwell@gmail.com

 */



#include <ncurses.h>

#include <form.h>

#include <string.h>

#include <kpass.h>

#include <time.h>



#include "forms.h"



int password_form(char *buffer, int length) {

	FIELD *fields[5];

	FORM *form;

	WINDOW *win;

	int press;

	int rows, cols;

	int ret_val;

	int i;

	int max_x, max_y;



	char *labels[] = {"Password:", "[OK]", "[CANCEL]"};



	fields[0] = new_field(1, strlen(labels[0]), 0, 0, 0 , 0);

	fields[1] = new_field(1, 16, 0, 1 + strlen(labels[0]), 0 , 0);

	fields[2] = new_field(1, strlen(labels[1]), 2, 4, 0 , 0);

	fields[3] = new_field(1, strlen(labels[2]), 2, 6 + strlen(labels[2]), 0 , 0);

	fields[4] = 0;



	field_opts_off(fields[0], O_ACTIVE);



	set_field_back(fields[1], A_UNDERLINE);

	field_opts_off(fields[1], O_PUBLIC);

	field_opts_off(fields[1], O_STATIC);

	field_opts_off(fields[1], O_AUTOSKIP);

	set_max_field(fields[1], length);



	field_opts_off(fields[2], O_EDIT);

	field_opts_off(fields[3], O_EDIT);



	form = new_form(fields);

	form_opts_off(form, O_BS_OVERLOAD);

	scale_form(form, &rows, &cols);



	getmaxyx(stdscr, max_y, max_x);



	win = newwin(rows + 4, cols + 4, (max_y - (rows + 4)) / 2, (max_x - (cols + 4)) / 2);

	keypad(win, TRUE);

	set_form_win(form, win);

	set_form_sub(form, derwin(win, rows, cols, 2, 2));

	box(win, 0, 0);



	post_form(form);

	curs_set(1);

	wrefresh(win);



	set_field_just(fields[0], JUSTIFY_LEFT);

	set_field_buffer(fields[0], 0, labels[0]);

	set_field_buffer(fields[2], 0, labels[1]);

	set_field_buffer(fields[3], 0, labels[2]);



	while(1) {

		press = wgetch(win);



		if(press == KEY_RESIZE) {

			// This might be a mess to deal with.

			continue;

		} else if(press == '\t') {

			if(current_field(form) != fields[1]) {

				set_field_fore(current_field(form), A_NORMAL);

				curs_set(1);

			}

			form_driver(form, REQ_NEXT_FIELD);

			form_driver(form, REQ_END_LINE);

			if(current_field(form) != fields[1]) {

				set_field_fore(current_field(form), A_REVERSE);

				curs_set(0);

			}

		} else if(press == KEY_LEFT) {

			form_driver(form, REQ_PREV_CHAR);

		} else if(press == KEY_RIGHT) {

			form_driver(form, REQ_NEXT_CHAR);

		} else if(press == KEY_BACKSPACE) {

			form_driver(form, REQ_DEL_PREV);

		} else if(press == '\n') {

			if(current_field(form) == fields[3]) {

				ret_val = 1;

				break;

			}



			/* Force the field buffer to be written. */

			if(current_field(form) == fields[1]) form_driver(form, REQ_NEXT_FIELD);



			strncpy(buffer, field_buffer(fields[1], 0), length);



			/* Trim trailing spaces (should probably be revisited). */

			i = strlen(buffer) - 2;

			for(; buffer[i] == ' ' && i > 0; i--) ;

			buffer[i + 1] = '\0';



			ret_val = 0;

			break;

		} else {

			form_driver(form, press);

			set_field_status(fields[1], true);

		}

	}



	unpost_form(form);

	free_form(form);



	for(i = 0; fields[i]; i++) {

		free_field(fields[i]);

	}



	delwin(win);



	curs_set(0);

	return ret_val;

}



int open_database_form(char *buffer, int length) {

	FIELD *fields[5];

	FORM *form;

	WINDOW *win;

	int press;

	int rows, cols;

	int ret_val;

	int i;

	int max_x, max_y;



	char *labels[] = {"Database File:", "[OK]", "[CANCEL]"};



	fields[0] = new_field(1, strlen(labels[0]), 0, 0, 0 , 0);

	fields[1] = new_field(1, 32, 0, 1 + strlen(labels[0]), 0 , 0);

	fields[2] = new_field(1, strlen(labels[1]), 2, 16, 0 , 0);

	fields[3] = new_field(1, strlen(labels[2]), 2, 18 + strlen(labels[2]), 0 , 0);

	fields[4] = 0;



	field_opts_off(fields[0], O_ACTIVE);



	set_field_back(fields[1], A_UNDERLINE);

	field_opts_off(fields[1], O_STATIC);

	field_opts_off(fields[1], O_AUTOSKIP);

	set_max_field(fields[1], length);



	field_opts_off(fields[2], O_EDIT);

	field_opts_off(fields[3], O_EDIT);



	form = new_form(fields);

	form_opts_off(form, O_BS_OVERLOAD);

	scale_form(form, &rows, &cols);



	getmaxyx(stdscr, max_y, max_x);



	win = newwin(rows + 4, cols + 4, (max_y - (rows + 4)) / 2, (max_x - (cols + 4)) / 2);

	keypad(win, TRUE);

	set_form_win(form, win);

	set_form_sub(form, derwin(win, rows, cols, 2, 2));

	box(win, 0, 0);



	post_form(form);

	curs_set(1);

	wrefresh(win);



	set_field_just(fields[0], JUSTIFY_LEFT);

	set_field_buffer(fields[0], 0, labels[0]);

	set_field_buffer(fields[2], 0, labels[1]);

	set_field_buffer(fields[3], 0, labels[2]);



	while(1) {

		press = wgetch(win);



		if(press == KEY_RESIZE) {

			// This might be a mess to deal with.

			continue;

		} else if(press == '\t') {

			if(current_field(form) != fields[1]) {

				set_field_fore(current_field(form), A_NORMAL);

				curs_set(1);

			}

			form_driver(form, REQ_NEXT_FIELD);

			form_driver(form, REQ_END_LINE);

			if(current_field(form) != fields[1]) {

				set_field_fore(current_field(form), A_REVERSE);

				curs_set(0);

			}

		} else if(press == KEY_LEFT) {

			form_driver(form, REQ_PREV_CHAR);

		} else if(press == KEY_RIGHT) {

			form_driver(form, REQ_NEXT_CHAR);

		} else if(press == KEY_BACKSPACE) {

			form_driver(form, REQ_DEL_PREV);

		} else if(press == '\n') {

			if(current_field(form) == fields[3]) {

				ret_val = 1;

				break;

			}



			/* Force the field buffer to be written. */

			if(current_field(form) == fields[1]) form_driver(form, REQ_NEXT_FIELD);



			strncpy(buffer, field_buffer(fields[1], 0), length);



			/* Trim trailing spaces (should probably be revisited). */

			i = strlen(buffer) - 2;

			for(; buffer[i] == ' ' && i > 0; i--) ;

			buffer[i + 1] = '\0';



			ret_val = 0;

			break;

		} else {

			form_driver(form, press);

			set_field_status(fields[1], true);

		}

	}



	unpost_form(form);

	free_form(form);



	for(i = 0; fields[i]; i++) {

		free_field(fields[i]);

	}



	delwin(win);



	curs_set(0);

	return ret_val;

}



int entry_form(struct kpass_db *db, struct kpass_entry *entry) {

	enum {f_uuid, f_group, f_image, f_title, f_url, f_username, f_password,

		f_desc, f_ctime, f_mtime, f_atime, f_etime, f_notes, f_last};



	FIELD *fields[2*f_last + 3];

	FORM *form;

	WINDOW *win;

	int press;

	int rows, cols;

	int ret_val;

	int i, j;

	int max_x, max_y;

	int init_length = 40;

	int max_length = 256;

	char buffer[max_length];

	struct tm tms;



	char *labels[] = {"uuid:", "Group:", "Image:", "Title:", "URL:", "Username:", "Password:",

		"Description:", "ctime:", "mtime:", "atime:", "etime:", "Notes:"};

	char *buttons[] = {"[OK]", "[CANCEL]"};



	for(i = 0; i < f_last; i++) {

		fields[2*i]     = new_field(1, strlen(labels[i]), i, 0,  0 , 0);

		fields[2*i + 1] = new_field(1, init_length,       i, 14, 0 , 0);

		

		set_field_fore(fields[2*i], A_NORMAL);

		field_opts_off(fields[2*i], O_ACTIVE);

		set_field_just(fields[2*i], JUSTIFY_LEFT);

		set_field_buffer(fields[2*i], 0, labels[i]);



		set_field_fore(fields[2*i + 1], A_NORMAL);

		set_field_back(fields[2*i + 1], A_UNDERLINE);

		field_opts_off(fields[2*i + 1], O_STATIC);

		field_opts_off(fields[2*i + 1], O_AUTOSKIP);

		set_max_field(fields[2*i + 1], max_length);



		switch(i) {

			case f_uuid:

				field_opts_off(fields[2*i + 1], O_ACTIVE);

				set_field_back(fields[2*i + 1], A_NORMAL);



				for(j=0; j<16; j++) {

					sprintf(buffer + (j*2), "%02x", entry->uuid[j]);

				}

				buffer[j] = 0;

				set_field_buffer(fields[2*i + 1], 0, buffer);

				break;

			case f_group:

				field_opts_off(fields[2*i + 1], O_ACTIVE);

				set_field_back(fields[2*i + 1], A_NORMAL);



				for(j=0; j < db->groups_len && db->groups[j]->id != entry->group_id; j++);

				set_field_buffer(fields[2*i + 1], 0, db->groups[j]->name);

				break;

			case f_image:

				field_opts_off(fields[2*i + 1], O_ACTIVE);

				set_field_back(fields[2*i + 1], A_NORMAL);



				snprintf(buffer, max_length, "%d", entry->image_id);



				set_field_buffer(fields[2*i + 1], 0, buffer);

				break;

			case f_title:

				set_field_buffer(fields[2*i + 1], 0, entry->title);

				break;

			case f_url:

				set_field_buffer(fields[2*i + 1], 0, entry->url);

				break;

			case f_username:

				set_field_buffer(fields[2*i + 1], 0, entry->username);

				break;

			case f_password:

				set_field_buffer(fields[2*i + 1], 0, entry->password);

				break;

			case f_desc:

				set_field_buffer(fields[2*i + 1], 0, entry->desc);

				break;

			case f_ctime:

				kpass_unpack_time(entry->ctime, &tms);

				strftime(buffer, max_length, "%Y-%m-%d %H:%M:%S", &tms);

				set_field_buffer(fields[2*i + 1], 0, buffer);

				break;

			case f_mtime:

				kpass_unpack_time(entry->mtime, &tms);

				strftime(buffer, max_length, "%Y-%m-%d %H:%M:%S", &tms);

				set_field_buffer(fields[2*i + 1], 0, buffer);

				break;

			case f_atime:

				kpass_unpack_time(entry->atime, &tms);

				strftime(buffer, max_length, "%Y-%m-%d %H:%M:%S", &tms);

				set_field_buffer(fields[2*i + 1], 0, buffer);

				break;

			case f_etime:

				kpass_unpack_time(entry->etime, &tms);

				strftime(buffer, max_length, "%Y-%m-%d %H:%M:%S", &tms);



				if(!strcmp(buffer, "2999-12-28 23:59:59")) {

					strcpy(buffer, "Never");

				}



				set_field_buffer(fields[2*i + 1], 0, buffer);

				break;

			case f_notes:

				set_field_buffer(fields[2*i + 1], 0, entry->notes);

				break;

		}

	}



	fields[2*f_last]     = new_field(1, strlen(buttons[0]), f_last + 1, 19, 0 , 0);

	set_field_buffer(fields[2*i], 0, buttons[0]);

	fields[2*f_last + 1] = new_field(1, strlen(buttons[1]), f_last + 1, 27, 0 , 0);

	set_field_buffer(fields[2*i + 1], 0, buttons[1]);

	fields[2*f_last + 2] = 0; /* terminating field */



	field_opts_off(fields[2*f_last], O_EDIT);

	field_opts_off(fields[2*f_last + 1], O_EDIT);



	form = new_form(fields);

	form_opts_off(form, O_BS_OVERLOAD);

	scale_form(form, &rows, &cols);



	getmaxyx(stdscr, max_y, max_x);



	win = newwin(rows + 4, cols + 4, (max_y - (rows + 4)) / 2, (max_x - (cols + 4)) / 2);

	keypad(win, TRUE);

	set_form_win(form, win);

	set_form_sub(form, derwin(win, rows, cols, 2, 2));

	box(win, 0, 0);



	post_form(form);

	curs_set(1);

	wrefresh(win);



	while(1) {

		press = wgetch(win);



		if(press == KEY_RESIZE) {

			// This might be a mess to deal with.

			continue;

		} else if(press == '\t' || press == KEY_DOWN || (press == '\n' && current_field(form) < fields[2*f_last])) {

			if(current_field(form) == fields[2*f_last] || current_field(form) == fields[2*f_last + 1]) {

				set_field_fore(current_field(form), A_NORMAL);

				curs_set(1);

			}

			form_driver(form, REQ_NEXT_FIELD);

			form_driver(form, REQ_END_LINE);

			if(current_field(form) == fields[2*f_last] || current_field(form) == fields[2*f_last + 1]) {

				set_field_fore(current_field(form), A_REVERSE);

				curs_set(0);

			}

		} else if(press == KEY_UP) {

			if(current_field(form) == fields[2*f_last] || current_field(form) == fields[2*f_last + 1]) {

				set_field_fore(current_field(form), A_NORMAL);

				curs_set(1);

			}

			form_driver(form, REQ_PREV_FIELD);

			form_driver(form, REQ_END_LINE);

			if(current_field(form) == fields[2*f_last] || current_field(form) == fields[2*f_last + 1]) {

				set_field_fore(current_field(form), A_REVERSE);

				curs_set(0);

			}

		} else if(press == KEY_LEFT) {

			form_driver(form, REQ_PREV_CHAR);

		} else if(press == KEY_RIGHT) {

			form_driver(form, REQ_NEXT_CHAR);

		} else if(press == KEY_BACKSPACE) {

			form_driver(form, REQ_DEL_PREV);

		} else if(press == '\n') {

			if(current_field(form) == fields[2*f_last]) {

				/* OK button. */



				/* STORE THE STUFF */

				ret_val = 0;

				break;

			} else if(current_field(form) == fields[2*f_last + 1]) {

				/* Cancel button. */

				ret_val = 1;

				break;

			}

		} else {

			form_driver(form, press);

		}

	}



	unpost_form(form);

	free_form(form);



	for(i = 0; fields[i]; i++) {

		free_field(fields[i]);

	}



	delwin(win);



	curs_set(0);

	return ret_val;

}