import './Production.html';

let QUERY_LIMIT = 100;
let QUERY_LIMIT_INCREMENT = 100;
let PREFIX = "Production.";

Tracker.autorun(function() {
	//Meteor.subscribe("batches");
	Meteor.subscribe("workers");
	Meteor.subscribe("products");
	Meteor.subscribe("measures");
});

Template.Production.onCreated(function() {
	Session.set(PREFIX + "displayNew", false);  //Whether the new dialog is inlined in the table and visible.
	
	Session.set(PREFIX + "sortOption", 'date');  //Allows us to sort the results of the batch query by batch attribute.
	Session.set(PREFIX + 'skipCount', 0);  //Allows us to page through the results of the batch query.  Currently not used.
	Session.set(PREFIX + 'batchCount', 0);  //A count of all batches in the system (that fit our current query).  Useful for paging and dynamic loading.
	Session.set(PREFIX + "queryLimit", QUERY_LIMIT);
	Session.set(PREFIX + "showDeleted", false);
	Session.set(PREFIX + "editedId", undefined);
	
	Tracker.autorun(function() {
		let sortOption = Session.get(PREFIX + "sortOption");
		let sort = sortOption == 'createdAt' ? {createdAt: -1} : {date: -1, createdAt: -1};
		//let showOnlyComments = Session.get(PREFIX + "showOnlyComments");  //Not needed here.  Shows how to limit the query to only records with certain features.
		let query = _.clone(Session.get(PREFIX + 'searchQuery'));
		
		//if(showOnlyComments) {
		//	if(!query) query = {};
		//	query.comment = {$exists: true};
		//}
		
		if(!Session.get(PREFIX + "showDeleted")) {
			if(!query) query = {};
			query.deletedAt = {$exists: false};
		}
		
		Template.Production.batchesSubscription = Meteor.subscribe("batches", query, sort, QUERY_LIMIT, Session.get(PREFIX + 'skipCount'));
		Session.set(PREFIX + 'batchCount',  Meteor.call('getBatchCount', Session.get(PREFIX + 'searchQuery')));
	});
});
Template.Production.onDestroyed(function() {
	if(Template.Production.batchSubscription) {
		Template.Production.batchSubscription.stop();
	}
});
Template.Production.onRendered(function() {
	$(".tableContainer").mCustomScrollbar({
		scrollButtons: {enable:true},
		theme: "light-thick",
		scrollbarPosition: "outside",
		scrollEasing: "linear"
	});
});
Template.Production.helpers({
	displayNew: function() {
		return Session.get(PREFIX + "displayNew");
	},
	batches: function() {
		let sortOption = Session.get(PREFIX + "sortOption");
		
		return Meteor.collections.Batches.find({}, {sort: (sortOption == 'createdAt' ? {createdAt: -1} : {date: -1, createdAt: -1})});
	},
	disableLoadMore: function() {
		return Session.get(PREFIX + 'batchCount') - (Session.get(PREFIX + 'skipCount') || 0) - Session.get(PREFIX + "queryLimit") <= 0;
	},
	showDeletedSelected: function() {
		return (Session.get(PREFIX + "showDeleted")) ? "selected" : "";
	}
});
Template.Production.events({
	'click .loadMoreLink': function(event, template) {
		event.preventDefault();
		Session.set(PREFIX + 'queryLimit', Session.get(PREFIX + "queryLimit") + QUERY_LIMIT_INCREMENT);
	},
	'click .newButton': function(event, template) {
		if(template.$('.newButton').hasClass('active')) {
			Session.set(PREFIX + 'displayNew', false);
		}
		else {
			Session.set(PREFIX + 'displayNew', true);
			Session.set(PREFIX + "editedId", undefined);  //Clear the edited product so that only one editor is open at a time.
		}
		template.$('.newButton').toggleClass('active');
	},
	'click .showDeletedButton': function(event, template) {
		Session.set(PREFIX + "showDeleted", !Session.get(PREFIX + "showDeleted"));  //Toggle the display of deleted production.
	}
});


Template.Batch.onCreated(function() {
});
Template.Batch.onRendered(function() {
});
Template.Batch.helpers({
	hasLabelsClass: function() {
		return this.hasLabels === true ? "hasLabels" : "noLabels";
	},
	name: function() {
		let product = Meteor.collections.Products.findOne({_id: this.productId});
		let measure = Meteor.collections.Measures.findOne({_id: this.measureId});
		return product.name + " (" + measure.name + ")";
	},
	date: function() {
		return moment(this.date, "YYYYMMDD").format("MM/DD/YYYY");
	},
	cook: function() {
		let worker = Meteor.collections.Workers.findOne({_id: this.cookId});
		return worker.name;
	},
	canner: function() {
		let worker = Meteor.collections.Workers.findOne({_id: this.cannerId});
		return worker.name;
	},
	editing: function() {
		let editedId = Session.get(PREFIX + "editedId");
		
		return editedId && editedId.toString() === this._id.toString();
	},
	getRowClass: function() {
		return this.deletedAt ? "deleted" : "";
	},
	isDeleted: function() {
		return this.deletedAt;
	}
});
Template.Batch.events({
	"click .hasLabels": function(event, template) {
		Meteor.call('setBatchHasLabels', this._id, !(this.hasLabels === true), function(error, result) {
			if(error) sAlert.error(error);
		});
	},
	"click .actionEdit": function(event, template) {
		Session.set(PREFIX + "editedId", this._id);
		Session.set(PREFIX + 'displayNew', false);  //Ensure the new editor is closed.
		template.parentTemplate().$('.newButton').removeClass('active');
	},
	"click .actionDelete": function(event, template) {
		Meteor.call('deleteBatch', this._id, function(error, result) {
			if(error) sAlert.error(error);
			else sAlert.success("Production Batch Deleted");
		});
	},
	'click .actionUndelete': function(event, template) {
		Meteor.call('undeleteBatch', this._id, function(error, result) {
			if(error) sAlert.error(error);
			else sAlert.success("Production Batch No Longer Deleted");
		});
	}
});


Template.BatchEditor.onCreated(function() {
});
Template.BatchEditor.onRendered(function() {
});
Template.BatchEditor.helpers({
	name: function() {
		let product = Meteor.collections.Products.findOne({_id: this.productId});
		let measure = Meteor.collections.Measures.findOne({_id: this.measureId});
		
		return (product ? product.name : "") + " (" + (measure ? measure.name : "") + ")";
	},
	date: function() {
		return moment(this.date, "YYYYMMDD").format("MM/DD/YYYY");
	},
	cook: function() {
		let worker = Meteor.collections.Workers.findOne({_id: this.cookId});
		return worker.name;
	},
	canner: function() {
		let worker = Meteor.collections.Workers.findOne({_id: this.cannerId});
		return worker.name;
	}
});
Template.BatchEditor.events({
	'click .editorCancel': function(event, template) {
		Session.set(PREFIX + "editedId", undefined);
	},
	'click input[type="submit"]': function(event, template) {
		event.preventDefault();
		template.$('.insertForm').data('bs.validator').validate(function(isValid) {
			if(isValid) {
				//Allow the user to edit the comment and the amount produced.  Sometimes jars pop after the product cools and these things need to be recorded.
				
				//TODO
			}
		});
	}
});


Template.BatchNew.onCreated(function() {
	this.selectedProduct = new ReactiveVar();
	this.selectedCook = new ReactiveVar();
	this.selectedCanner = new ReactiveVar();
});
Template.BatchNew.onRendered(function() {
	this.$('.insertForm').validator();
	this.$('[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.$('[name="cook"]').buildCombo({cursor: Meteor.collections.Workers.find({}), selection: this.selectedCook, textAttr: 'name', listClass: 'comboList'});
	this.$('[name="canner"]').buildCombo({cursor: Meteor.collections.Workers.find({}), selection: this.selectedCanner, textAttr: 'name', listClass: 'comboList'});
	this.$('input[name="product"]').focus();
});
Template.BatchNew.helpers({
	//products: function() {
	//	return Meteor.collections.Products.find({});
	//},
	//productSelected: function() {
	//	let product = this;
	//	let batch = Template.parentData();
	//
	//	return batch.productId === product._id ? "selected" : "";
	//},
	productMeasures: function() {
		//Show only the list allowed by the product
		let product = Template.instance().selectedProduct.get();
		
		if(product) {
			let measures = Meteor.collections.Measures.find({}).fetch();
			let measuresById = {};
			let allowedMeasureIds = product.measures;
			let allowedMeasures = [];
			
			//Create a hashmap of measures by their id.
			for(let measure of measures) measuresById[measure._id.toString()] = measure;
			
			//Create a list of measures allowed for the product.
			for(let measureId of allowedMeasureIds) {
				allowedMeasures.push(measuresById[measureId.toString()]);
			}
			
			return allowedMeasures;
		}
		else return [];
	},
	today: () => {
		return moment().format("YYYY-MM-DD");
	}
});
Template.BatchNew.events({
	'change input[name="date"]': function(event, template) {
		template.selectedDate.set(moment(event.target.value, "YYYY-MM-DD").toDate());
	},
	'click .editorCancel': function(event, template) {
		Session.set(PREFIX + "editedId", undefined);
	},
	'click .editorApply': function(event, template) {
		event.preventDefault();
		template.$('.insertForm').data('bs.validator').validate(function(isValid) {
			if(isValid) {
				let batches = [];
				let insertMeasure = template.$(".insertMeasure");
				
				let batch = {
					date: ~~(moment(template.find("[name='date']").value, "YYYY-MM-DD").format("YYYYMMDD")),  // Note: ~~ performs a bitwise not which is a fast method of converting a string to a number.
					productId: template.selectedProduct.get()._id,
					cookId: template.selectedCook.get()._id,
					cannerId: template.selectedCanner.get()._id,
					comment: template.$('.comment').val()
				};
				
				//Iterate over the measures for the batch (based on the product chosen) and amounts.
				for(let next = 0; next < insertMeasure.length; next++) {
					let nextMeasure = $(insertMeasure[next]);
					let measureId = nextMeasure.find(".measureId").val();
					let amount = parseFloat(nextMeasure.find(".amount").val());
					
					if(amount > 0) {
						let next = _.clone(batch);
						
						next.measureId = measureId;
						next.amount = amount;
						batches.push(next);
					}
				}
				
				Meteor.call('insertBatches', batches, function(error) {
					if(error) sAlert.error("Failed to insert the batch!\n" + error);
					else {
						let productCombo = template.$("input[name='product']");
						let measureFields = template.$(".amount");
						
						sAlert.success("Production batches created.");
						
						//Clear the measure quantity fields so the user can enter another sale without the quantities already set.
						measureFields.val(0);
						//Set the focus to the product field of the form.
						//productCombo.focus();
						//Clear the product since it is highly unlikely the same product will be added twice for the same date.
						productCombo.val("");
						Session.set(PREFIX + "displayNew", false);
					}
				});
			}
		});
	}
});


Template.InsertBatchMeasure.onCreated(function() {
	let _this = this;
	
	this.amount = new ReactiveVar(0);
});
Template.InsertBatchMeasure.onRendered(function() {
});
Template.InsertBatchMeasure.helpers({
	amount: function() {
		return Template.instance().amount.get();
	}
});
Template.InsertBatchMeasure.events({
	'change .amount': function(event, template) {
		template.amount.set(parseFloat($(event.target).val()));
	},
	'focus input[name="amount"]': function(event, template) {
		//See http://stackoverflow.com/questions/3150275/jquery-input-select-all-on-focus
		//Handle selecting the text in the field on receipt of focus.
		let $this = $(this)
			.one('mouseup.mouseupSelect', function() {
				$this.select();
				return false;
			})
			.one('mousedown', function() {
				// compensate for untriggered 'mouseup' caused by focus via tab
				$this.off('mouseup.mouseupSelect');
			})
			.select();
	}
});


Template.BatchSearch.onCreated(function() {
});
Template.BatchSearch.onRendered(function() {
});
Template.BatchSearch.helpers({
	searchValue: function() {
		let searchFields = Session.get(PREFIX + 'searchFields');
		
		return (searchFields && searchFields[this.columnName]) ? searchFields[this.columnName] : '';
	}
});
Template.BatchSearch.events({
	"keyup .searchInput": _.throttle(function(event, template) {
		let searchQuery = Session.get(PREFIX + 'searchQuery') || {};
		let searchFields = Session.get(PREFIX + 'searchFields') || {};
		let searchValue = template.$(event.target).val();
		
		if(searchValue) {
			if(this.number) searchValue = parseFloat(searchValue);
			
			// A collection name will be provided if there is a related table of data that will contain the text provided and will map to an ID that is then searched for in the current table of data.
			// For example we are displaying a table of Sales which has the ID of a Product.  The Product table has a Name field and the search box searches for Product Names.  The ID's of the Products found should be used to filter the Sales by Product ID.
			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);
		Session.set(PREFIX + 'skipCount', 0);  //Reset the paging of the results.
		Session.set(PREFIX + "queryLimit", QUERY_LIMIT);  //Reset the query limit in case we loaded more
	}, 500)
});


Template.BatchDateRangeSearch.helpers({
	startDate: function() {
		let searchFields = Session.get(PREFIX + 'searchFields');
		let searchValue = (searchFields && searchFields[this.columnName]) ? searchFields[this.columnName] : {};
		
		return searchValue.start ? moment(searchValue.start.toString(), "YYYYMMDD").format("MM/DD/YYYY") : "";
	},
	endDate: function() {
		let searchFields = Session.get(PREFIX + 'searchFields');
		let searchValue = (searchFields && searchFields[this.columnName]) ? searchFields[this.columnName] : {};
		
		return searchValue.end ? moment(searchValue.end.toString(), "YYYYMMDD").format("MM/DD/YYYY") : "";
	}
});
Template.BatchDateRangeSearch.events({
	"change .searchDateStartInput": function(event, template) {Template.DateRangeSearch.dateChanged(true, event, template)},
	"keyup .searchDateStartInput": _.throttle(function(event, template) {Template.DateRangeSearch.dateChanged(true, event, template)}, 500),
	"change .searchDateEndInput": function(event, template) {Template.DateRangeSearch.dateChanged(false, event, template)},
	"keyup .searchDateEndInput": _.throttle(function(event, template) {Template.DateRangeSearch.dateChanged(false, event, template)}, 500)
});
Template.BatchDateRangeSearch.dateChanged = function(isStart, event, template) {
	let searchQuery = Session.get(PREFIX + 'searchQuery') || {};
	let searchFields = Session.get(PREFIX + 'searchFields') || {};
	let searchValue = template.$(event.target).val();
	let columnName = template.data.columnName;
	
	if(searchValue) {
		let search = searchQuery[columnName];
		
		// Create a search object and attach it to the searchFields and searchQuery objects if needed.
		if(!search) {
			search = {type: 'dateRange'};
			searchFields[columnName] = searchQuery[columnName] = search;
		}
		
		// Use moment to parse date and convert it to YYYYMMDD for searching the database.
		searchValue = ~~(moment(searchValue, searchValue.includes("-") ? "YYYY-MM-DD" : "MM/DD/YYYY").format("YYYYMMDD"));  // Note: ~~ performs a bitwise not which is a fast method of converting a string to a number.
		// Save the search ending date.
		isStart ? search.start = searchValue : search.end = searchValue;
	}
	else {
		if(searchQuery[columnName]) {
			// Remove columns from the search query whose values are empty so we don't bother the database with them.
			if(isStart) {
				delete searchQuery[columnName].start;
				delete searchFields[columnName].start;
			}
			else {
				delete searchQuery[columnName].end;
				delete searchFields[columnName].end;
			}
		}
	}
	
	Session.set(PREFIX + 'searchQuery', searchQuery);
	Session.set(PREFIX + 'searchFields', searchFields);
	Session.set(PREFIX + 'skipCount', 0);  //Reset the paging of the results.
	Session.set(PREFIX + "queryLimit", QUERY_LIMIT);  //Reset the query limit in case we loaded more
};