// Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
// License: GNU General Public License v3. See license.txt

frappe.pages['production-analytics'].on_page_load = function(wrapper) {
	frappe.ui.make_app_page({
		parent: wrapper,
		title: __('Production Analytics'),
		single_column: true
	});

	new erpnext.ProductionAnalytics(wrapper);

	frappe.breadcrumbs.add("Manufacturing");
}

erpnext.ProductionAnalytics = frappe.views.GridReportWithPlot.extend({
	init: function(wrapper) {
		this._super({
			title: __("Production Analytics"),
			parent: $(wrapper).find('.layout-main'),
			page: wrapper.page,
			doctypes: ["Item", "Company", "Fiscal Year", "Production Order"]
		});

	},
	setup_columns: function() {

		var std_columns = [
			{id: "_check", name: __("Plot"), field: "_check", width: 30,
				formatter: this.check_formatter},
			{id: "name", name: __("Status"), field: "name", width: 100},
		];

		this.make_date_range_columns();
		this.columns = std_columns.concat(this.columns);
	},
	filters: [
		{fieldtype:"Select", label: __("Company"), link:"Company", fieldname: "company",
			default_value: __("Select Company...")},
		{fieldtype:"Date", label: __("From Date"), fieldname: "from_date"},
		{fieldtype:"Date", label: __("To Date"), fieldname: "to_date"},
		{fieldtype:"Select", label: __("Range"), fieldname: "range",
			options:[{label: __("Daily"), value: "Daily"}, {label: __("Weekly"), value: "Weekly"},
				{label: __("Monthly"), value: "Monthly"}, {label: __("Quarterly"), value: "Quarterly"},
				{label: __("Yearly"), value: "Yearly"}]}
	],
	setup_filters: function() {
		var me = this;
		this._super();

		this.trigger_refresh_on_change(["company"]);
		this.trigger_refresh_on_change(["range"]);

		this.show_zero_check()
		this.setup_chart_check();
		
	},
	init_filter_values: function() {
		this._super();
		this.filter_inputs.range.val('Monthly');
	},
	setup_chart: function() {
		var me = this;
		
		var chart_data = this.get_chart_data ? this.get_chart_data() : null;

		this.chart = new frappe.ui.Chart({
			wrapper: this.chart_area,
			data: chart_data
		});
	},
	set_default_values: function() {
		var values = {
			from_date: frappe.datetime.str_to_user(frappe.datetime.add_months(frappe.datetime.now_datetime(),-12) ),
			to_date: frappe.datetime.str_to_user(frappe.datetime.add_months(frappe.datetime.now_datetime(),1))
		}

		var me = this;
		$.each(values, function(i, v) {
			if(me.filter_inputs[i] && !me.filter_inputs[i].val())
				me.filter_inputs[i].val(v);
		})
	},

	prepare_data: function() {
		// add Opening, Closing, Totals rows
		// if filtered by account and / or voucher
		var me = this;
		var all_open_orders = {name:"All Production Orders", "id": "all-open-pos",
			checked:true};
		var not_started = {name:"Not Started", "id":"not-started-pos",
			checked:true};
		var overdue = {name:"Overdue (Not Started)", "id":"overdue-pos",
			checked:true};
		var  pending = {name:"Pending", "id":"pending-pos",
			checked:true};
		var completed = {name:"Completed", "id":"completed-pos",
			checked:true};	

		$.each(frappe.report_dump.data["Production Order"], function(i, d) {
			var dateobj = frappe.datetime.str_to_obj(d.creation);
			var date = frappe.datetime.str_to_user(d.creation.split(" ")[0]);

			$.each(me.columns, function(i,col) {
				if (i > 1){
					var start_period = frappe.datetime.user_to_obj(frappe.datetime.str_to_user(col.id));
					var end_period = frappe.datetime.user_to_obj(frappe.datetime.str_to_user(col.name));
					var astart_date = frappe.datetime.user_to_obj(frappe.datetime.str_to_user(d.actual_start_date));
					var planned_start_date = frappe.datetime.user_to_obj(frappe.datetime.str_to_user(d.planned_start_date));
					var aend_date = frappe.datetime.user_to_obj(frappe.datetime.str_to_user(d.actual_end_date));
					var modified = frappe.datetime.user_to_obj(frappe.datetime.str_to_user(d.modified));
					
					if (dateobj <= start_period || dateobj <= end_period) {
						all_open_orders[col.field] = flt(all_open_orders[col.field]) + 1;
				
						if(d.status=="Completed") {
							if(aend_date < start_period || modified < start_period) {
								completed[col.field] = flt(completed[col.field]) + 1;
							}
							else if (astart_date < start_period) {
								pending[col.field] = flt(pending[col.field]) + 1;
							}
							else if (planned_start_date < start_period) {
								overdue[col.field] = flt(overdue[col.field]) + 1;
							} else {
								not_started[col.field] = flt(not_started[col.field]) + 1;
							}
						}else if(d.status == "In Process")
						{
							if (astart_date < start_period || modified < start_period){
								pending[col.field] = flt(pending[col.field]) + 1;
							}else if (planned_start_date < start_period)	{
								overdue[col.field] = flt(overdue[col.field]) + 1;
							}else{
								not_started[col.field] = flt(not_started[col.field]) + 1;
							}
						}else if(d.status == "Not Started") {
							if (planned_start_date < start_period){
								overdue[col.field] = flt(overdue[col.field]) + 1;
							}else{
								not_started[col.field] = flt(not_started[col.field]) + 1;
							}
						}							
					}
				}
			});
		});
		if(me.columns.length < 30){
			this.chart_area.toggle(true);
		}else {
			this.chart_area.toggle(false);
		}
		this.data = [all_open_orders, not_started, overdue, pending, completed];
		
	}
});