import './Sales.html';
import '/imports/util/selectize/selectize.js'
import ResizeSensor from '/imports/util/resize/ResizeSensor.js';

let QUERY_LIMIT = 20;
let PREFIX = "Sales.";

Meteor.subscribe("products");

Tracker.autorun(function() {
	Meteor.subscribe("sales", Session.get(PREFIX + 'searchQuery'), QUERY_LIMIT, Session.get(PREFIX + 'skipCount'));
	Session.set(PREFIX + 'saleCount',  Meteor.call('getSalesCount', Session.get(PREFIX + 'searchQuery')));
});

Template.Sales.helpers({
	sales: function() {
		return Meteor.collections.Sales.find({}, {sort: {date: -1, createdAt: -1}});
	},
	disablePrev: function() {
		return (Session.get(PREFIX + 'skipCount') || 0) == 0;
	},
	disableNext: function() {
		return Session.get(PREFIX + 'saleCount') - (Session.get(PREFIX + 'skipCount') || 0) - QUERY_LIMIT <= 0;
	}
});
Template.Sales.events({
	'click .prevButton': function(event, template) {
		if(!$(event.target).hasClass('disabled'))
			Session.set(PREFIX + 'skipCount', Math.max(0, (Session.get(PREFIX + 'skipCount') || 0) - QUERY_LIMIT));
	},
	'click .nextButton': function(event, template) {
		if(!$(event.target).hasClass('disabled'))
			Session.set(PREFIX + 'skipCount', (Session.get(PREFIX + 'skipCount') || 0) + QUERY_LIMIT);
	}
});

Template.Sale.onCreated(function() {
});
Template.Sale.helpers({
	measureName: function(id) {
		return Meteor.collections.Measures.findOne({_id: id}, {fields: {name: 1}}).name;
	},
	venueName: function(id) {
		return Meteor.collections.Venues.findOne({_id: id}, {fields: {name: 1}}).name;
	},
	productName: function(id) {
		return Meteor.collections.Products.findOne({_id: id}, {fields: {name: 1}}).name;
	},
	formatDate: function(date) {
		return moment(date).format("MM/DD/YYYY (w)");
	},
	formatPrice: function(price) {
		return price.toLocaleString("en-US", {style: 'currency', currency: 'USD', minimumFractionDigits: 2});
	},
	formatTotalPrice: function(price, amount) {
		return (price * amount).toLocaleString("en-US", {style: 'currency', currency: 'USD', minimumFractionDigits: 2});
	},
	showTotalPrice: function(amount) {
		return amount > 1;
	}
});
Template.Sale.events({
	"click .saleRemove": function(event, template) {
		let _this = this;
		bootbox.confirm({
			message: "Delete the sale?",
			buttons: {confirm: {label: "Yes", className: 'btn-success'}, cancel: {label: "No", className: "btn-danger"}},
			callback: function(result) {
				if(result) {
					// Meteor.collections.Sales.remove(_this._id);
					Meteor.call('deleteSale', _this._id);
				}
			}
		});
	}
});

Template.SaleSearch.helpers({
	searchValue: function() {
		let searchFields = Session.get(PREFIX + 'searchFields');
		
		return (searchFields && searchFields[this.columnName]) ? searchFields[this.columnName] : '';
	}
});
Template.SaleSearch.events({
	"keyup .searchInput": _.throttle(function(event, template) {
		let searchQuery = Session.get(PREFIX + 'searchQuery') || {};
		let searchFields = Session.get(PREFIX + 'searchFields') || {};
		let searchValue = template.$('.searchInput').val();
		
		if(searchValue) {
			if(this.number) searchValue = parseFloat(searchValue);
			
			if(this.collection) {
				let ids = Meteor.collections[this.collection].find({[this.collectionQueryColumnName]: {$regex: searchValue, $options: 'i'}}, {fields: {[this.collectionResultColumnName]: 1}}).fetch();
				
				//Convert the ids to an array of ids instead of an array of objects containing an id.
				for(let i = 0; i < ids.length; i++) {ids[i] = ids[i]._id;}
				searchQuery[this.columnName] = {$in: ids};
				searchFields[this.columnName] = searchValue;
			}
			else {
				searchFields[this.columnName] = searchQuery[this.columnName] = searchValue;
			}
		}
		else {
			//Remove columns from the search query whose values are empty so we don't bother the database with them.
			delete searchQuery[this.columnName];
			delete searchFields[this.columnName];
		}
		
		Session.set(PREFIX + 'searchQuery', searchQuery);
		Session.set(PREFIX + 'searchFields', searchFields);
	}, 500)
});

Template.InsertSale.onCreated(function() {
	// $('#insertSale').validator();
	// $('#insertSale').data('bs.validator');
	// this.products = new ReactiveVar([]);
	this.selectedDate = new ReactiveVar();
	this.selectedProduct = new ReactiveVar();
	this.selectedVenue = new ReactiveVar();
});
Template.InsertSale.onRendered(function() {
	this.$('.insertSaleForm').validator();
	// this.$('[name="product"]').
	// this.autorun(function() {
	// 	this.$('[name="product"]').buildCombo(Meteor.collections.Products.find({}).fetch(), {textAttr: 'name', listClass: 'comboList'});
	// });
	
	//TODO: Highlight deactivated products in combo
	//TODO: Default the price for each size product based on the date.
	this.$('[name="product"]').buildCombo({cursor: Meteor.collections.Products.find({$or: [{hidden: false}, {hidden: {$exists:false}}]}), selection: this.selectedProduct, textAttr: 'name', listClass: 'comboList', getClasses: function(data) {
		return (data && data.deactivated) ? "deactivated" : "";
	}});
	this.$('[name="venue"]').buildCombo({cursor: Meteor.collections.Venues.find({}), selection: this.selectedVenue, textAttr: 'name', listClass: 'comboList'});
	
	// this.autorun(function(){
	// 	this.products.set(Meteor.collections.Products.find({}));
	// }.bind(this));
});
Template.InsertSale.events({
	'change input[name="product"]': function(event, template) {
		let selectedId = template.$('input[name="product"]').val();
		let selected = Meteor.collections.Products.findOne(selectedId);
		template.selectedProduct.set(selected);
	},
	'change input[name="date"]': function(event, template) {
		template.selectedDate.set(moment(event.target.value, "YYYY-MM-DD").toDate());
	},
	'click input[type="submit"]': function(event, template) {
		event.preventDefault();
		template.$('.insertSaleForm').data('bs.validator').validate(function(isValid) {
			if(isValid) {
				let sales = [];
				let sale = {
					date: moment(template.find("[name='date']").value, "YYYY-MM-DD").toDate(),
					productId: template.selectedProduct.get()._id,
					venueId: template.selectedVenue.get()._id
				};
				let insertSaleMeasures = template.$(".insertSaleMeasure");
				for(let next = 0; next < insertSaleMeasures.length; next++) {
					let nextMeasure = $(insertSaleMeasures[next]);
					let measureId = nextMeasure.find(".measureId").val();
					let price = parseFloat(nextMeasure.find(".price").val()).toFixed(2);
					let amount = parseFloat(nextMeasure.find(".amount").val()).toFixed(2);
					
					if(amount > 0) {
						let nextSale = _.clone(sale);
						
						nextSale.measureId = measureId;
						nextSale.price = price;
						nextSale.amount = amount;
						sales.push(nextSale);
					}
				}
				
				for(let index = 0; index < sales.length; index++) {
					let next = sales[index];
					//console.log("Inserting: " + JSON.stringify(next));
					Meteor.call('insertSale', next, function(error) {
						if(error) sAlert.error("Failed to insert the sale!\n" + error);
						else sAlert.success("Sale Created");
					});
				}
			}
		});
	}
});
Template.InsertSale.helpers({
	products: function() {
		return [{label: "Hermies", value: 1}, {label: "Ralfe", value: 2}, {label: "Bob", value: 3}];
	},
	productMeasures: function() {
		let product = Template.instance().selectedProduct.get();
		let result = product ? product.measures : [];
		
		for(let i = 0; i < result.length; i++) {
			result[i] = Meteor.collections.Measures.findOne(result[i]);
		}
		
		// if(product) console.log("Found " + result.length + " measures for the product " + product.name);
		// else console.log("No product!");
		
		return result;
	},
	venues: function() {
		return Meteor.collections.Venues.find({});
	}
});

Template.InsertSaleMeasure.onCreated(function() {
	let _this = this;
	
	this.price = new ReactiveVar(0);
	this.amount = new ReactiveVar(0);
	
	Tracker.autorun(function() {
		let date = _this.parentTemplate().selectedDate.get();
		let prices = _this.parentTemplate().selectedProduct.get().prices;
		let priceData;
		let price = 0;
		
		if(prices) priceData = prices[_this.data._id];
		
		//If this product has pricing data for the given measure, then either use the price, or the previousPrice (if there is one and the effectiveDate is after the sale date).
		if(priceData) {
			if(priceData.effectiveDate && date && moment(priceData.effectiveDate).isAfter(date))
				price = priceData.previousPrice;
			else
				price = priceData.price
		}
		
		_this.price.set(price);
	});
});
Template.InsertSaleMeasure.events({
	'change .price': function(event, template) {
		template.price.set(parseFloat($(event.target).val()));
	},
	'change .amount': function(event, template) {
		template.amount.set(parseFloat($(event.target).val()));
	}
});
Template.InsertSaleMeasure.helpers({
	price: function() {
		return Template.instance().price.get().toFixed(2);
	},
	total: function() {
		let template = Template.instance();
		return (template.price.get() * template.amount.get()).toFixed(2);
	},
	amount: function() {
		return Template.instance().amount.get();
	}
});