import { Meteor } from 'meteor/meteor';
import { Mongo } from 'meteor/mongo';
import { check } from 'meteor/check';
import { Products } from './products';
import { ShopLists } from './shopList';

export const ListItems = new Mongo.Collection('listitems');

ListItems.allow({
    insert: function(userId, doc){
        // if use id exists, allow insert
        return !!userId;
    },
});

Meteor.methods({
    'add.listItem' (itemName, prodId, itemQty, shopListId) {
        check(itemName, String);
        check(prodId, String);
        check(itemQty, String);
        check(shopListId, String);

        if (!this.userId) {
            throw new Meteor.Error('You are not allowed to add items. Make sure you are logged in with valid user credentials.');
        }

        // look up the item from the Products collection
        let prodInfo = Products.findOne({ _id: prodId });

        // look up the shopList by shopListId
        let shopListInfo = ShopLists.findOne({ _id: shopListId });

        return ListItems.insert({
            itemName: itemName,
            prodId: prodId,
            itemQty: itemQty,
            itemOwner: shopListInfo.ownerId,
            addedBy: this.userId,
            itemCategory: prodInfo.prodCategory,
            itemStore: prodInfo.prodStore,
            itemLocation: prodInfo.prodLocation,
            itemOrdered: false,
            itemReceived: false,
            dateAddedToList: new Date(),
        });
    },
    'setOrdered.listItem' (itemId) {
        check(itemId, String);

        if (!this.userId) {
            throw new Meteor.Error('You are not allowed to set items as ordered. Make sure you are logged in with valid user credentials.');
        }

        return ListItems.update({ _id: itemId }, {
            $set: {
                itemOrdered: true,
                dateOrdered: new Date(),
            }
        });
    },
    'setAllOrdered.listItem' (shopListId) {
        // set all items that are not already set as ordered, or set as received to ordered on this list

    },
    'setNotOrdered.listItem' (itemId) {
        check(itemId, String);

        if (!this.userId) {
            throw new Meteor.Error('You are not allowed to set items as not ordered. Make sure you are logged in with valid user credentials.');
        }

        return ListItems.update({ _id: itemId }, {
            $set: {
                itemOrdered: false,
                dateUnOrdered: new Date(),
            }
        });
    },
    'setReceived.listItem' (itemId) {
        check(itemId, String);

        if (!this.userId) {
            throw new Meteor.Error('You are not allowed to set items as received. Make sure you are logged in with valid user credentials.');
        }

        return ListItems.update({ _id: itemId }, {
            $set: {
                itemReceived: true,
                dateReceived: new Date(),
            }
        });

    },
    'setNotReceived.listItem' (shopListId) {
        check(itemId, String);

        if (!this.userId) {
            throw new Meteor.Error('You are not allowed to set items as not received. Make sure you are logged in with valid user credentials.');
        }

        return ListItems.update({ _id: itemId }, {
            $set: {
                itemReceived: false,
                dateNotReceived: new Date(),
            }
        });
    },
    'setAllReceived.listItem' () {
        // set all items that are not already listed as received to received on this list

    },
    'edit.listItem' (itemId, itemName, prodId, itemQty, shopListId) {
        check(itemId, String);
        check(itemName, String);
        check(prodId, String);
        check(itemQty, String);
        check(shopListId, String);

        if (!this.userId) {
            throw new Meteor.Error('You are not allowed to add items. Make sure you are logged in with valid user credentials.');
        }

        // look up the item from the Products collection
        let prodInfo = Products.findOne({ _id: prodId });

        // look up the shopList by shopListId
        let shopListInfo = ShopLists.findOne({ _id: shopListId });

        return ListItems.update({ _id: itemId }, {
            $set: {
                itemName: itemName,
                prodId: prodId,
                itemQty: itemQty,
                itemOwner: shopListInfo.ownerId,
                editedBy: this.userId,
                itemCategory: prodInfo.prodCategory,
                itemStore: prodInfo.prodStore,
                itemLocation: prodInfo.prodLocation,
            }
        });
    },
    'delete.listItem' (itemId) {
        check(itemId, String);

        if (!this.userId) {
            throw new Meteor.Error('You are not allowed to delete list items. Make sure you are logged in with valid user credentials.');
        }

        let itemInfo = ListItems.findOne({ _id: itemId });
        let myId = this.userId;
        if (myId == itemInfo.owner) {
            return ListItems.remove({ _id: itemId });
        } else {
            console.log("User not allowed to delete this list item. Not the owner!");
            return("Not Allowed!");
        }
    }
});