package com.example.todo;

import java.util.Comparator;
import java.util.List;
import org.springframework.stereotype.Service;
import org.springframework.web.server.ResponseStatusException;
import static org.springframework.http.HttpStatus.NOT_FOUND;

@Service
public class TodoService {
    private final TodoRepository repository;
    public TodoService(TodoRepository repository) { this.repository=repository; }
    public List<Todo> list() {
        return repository.findAll().stream().sorted(Comparator.comparing(Todo::getId)).toList();
    }
    public Todo get(String id) {
        return repository.findById(id).orElseThrow(() -> new ResponseStatusException(NOT_FOUND,"Todo not found"));
    }
    public Todo create(String title, boolean completed) {
        return repository.save(new Todo(title.strip(),completed));
    }
    public Todo update(String id, String title, boolean completed) {
        Todo todo=get(id); todo.setTitle(title.strip()); todo.setCompleted(completed);
        return repository.save(todo);
    }
    public void delete(String id) { Todo todo=get(id); repository.deleteById(todo.getId()); }
}