import { Router } from "express";
import ListsModel from '../../model/todo-list';
import ItemModel from '../../model/todo-item';

export const router = Router();

router.get('/lists', async (req, res) => {
    const lists = await ListsModel.find({});

    res.json(lists);
})

router.post('/list', async (req, res) => {
    const { name } = req.body
    const list = await ListsModel.create({
        name
    });

    res.json(list);
})

router.delete('/item/:itemId', async (req, res) => {
    const { itemId } = req.params;

    const item = await ItemModel.findById(itemId);

    if (!item) throw new Error('Item not found');

    await ItemModel.findByIdAndDelete(itemId);

    res.send(item);
})

router.get('/list/:listId', async (req, res) => {
    const { listId } = req.params;

    const list = await ListsModel
        .findById(listId)
        .populate('items')
        .exec();

    if (!list) throw new Error('List not found');

    res.json(list);
})

router.post('/:listId/item', async (req, res) => {
    const { listId } = req.params
    const { title, description = '' } = req.body

    const list = await ListsModel.findById(listId);

    if (!list) {
        throw new Error('List not found');
    }

    const item = await ItemModel.create({
        title,
        description
    });
    
    await (list as any).addItem(item);

    res.send(item)
})