122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "engine/todo.h"
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#include "engine/llist.h"
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#define MAX_TODOS 10
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#define SAVE_FILE "todos.todd"
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enum Command {
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ADD = 'a',
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MARK = 'm',
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PRINT = 'p',
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REMOVE = 'r',
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QUIT = 'q',
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WRITE_TO_FILE = 'w',
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LOAD_FROM_FILE = 'l',
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};
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llist *todos;
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void add_command_handler() {
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char title[TODO_MAX_TITLE_LENGTH];
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printf("Enter todo title: ");
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fgets(title, TODO_MAX_TITLE_LENGTH - 1, stdin);
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// remove the newline character from the buffer
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title[strlen(title) - 1] = '\0';
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TodoItem item = todo_create_item(title);
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if (llist_length(todos) == 0) {
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todos = llist_create(&item);
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} else {
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llist_push(todos, &item);
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}
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}
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void mark_command_handler() {
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int op_index = -1;
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do {
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printf("Enter todo index: ");
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op_index = getc(stdin) - '0';
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getc(stdin); // remove the newline character from the buffer
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} while (op_index < 0 || op_index >= llist_length(todos));
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todo_mark_item(todos[op_index]->item, !todos[op_index]->item->completed);
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}
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void print_command_handler() {
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llist_print(todos, todo_print_item);
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}
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void remove_todo_at_index(int index) {
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// TODO!: Implement this
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/* for (int i = index; i < todos_count - 1; i++) { */
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/* todos[i] = todos[i + 1]; */
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/* } */
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/* todos_count--; */
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}
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void write_to_file_handler() {
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FILE *file = fopen(SAVE_FILE, "wb");
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int todos_count = llist_length(todos);
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int bs = 0;
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// write a magic value "TODD" to the file
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fwrite("TODD", sizeof(char), 4, file);
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// write the number of todos to the file
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fwrite(&todos_count, sizeof(int), 1, file);
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// write each todo to the file
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for (int i = 0; i < todos_count; i++) {
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char *buffer = todo_item_serialize(todos[i]->item, &bs);
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fwrite(buffer, sizeof(char), bs, file);
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free(buffer);
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}
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fclose(file);
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}
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int main(int argc, char **argv) {
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char cmd;
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do {
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printf("Enter command: ");
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cmd = getc(stdin);
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getc(stdin); // remove the newline character from the buffer
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switch (cmd) {
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case ADD:
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if (llist_length(todos) + 1 > MAX_TODOS) {
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printf("No more space for new todos\n");
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break;
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}
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add_command_handler();
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break;
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case MARK:
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mark_command_handler();
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break;
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case PRINT:
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print_command_handler();
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break;
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case REMOVE:
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break;
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case WRITE_TO_FILE:
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write_to_file_handler();
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break;
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case QUIT:
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break;
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default:
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printf("Invalid command\n");
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break;
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}
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} while (cmd != QUIT);
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// free all the todos
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int todos_count = llist_length(todos);
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for (int i = 0; i < todos_count; i++) {
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todo_free_item(todos[i]->item);
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llist_pop(todos);
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}
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}
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