// Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
// License: GNU General Public License v3. See license.txt
frappe.provide("erpnext");
frappe.provide("erpnext.utils");

$.extend(erpnext, {
	get_currency: function(company) {
		if(!company && cur_frm)
			company = cur_frm.doc.company;
		if(company)
			return frappe.get_doc(":Company", company).default_currency || frappe.boot.sysdefaults.currency;
		else
			return frappe.boot.sysdefaults.currency;
	},

	toggle_naming_series: function() {
		if(cur_frm.fields_dict.naming_series) {
			cur_frm.toggle_display("naming_series", cur_frm.doc.__islocal?true:false);
		}
	},

	hide_company: function() {
		if(cur_frm.fields_dict.company) {
			var companies = Object.keys(locals[":Company"] || {});
			if(companies.length === 1) {
				if(!cur_frm.doc.company) cur_frm.set_value("company", companies[0]);
				cur_frm.toggle_display("company", false);
			} else if(erpnext.last_selected_company) {
				if(!cur_frm.doc.company) cur_frm.set_value("company", erpnext.last_selected_company);
			}
		}
	},

	setup_serial_no: function() {
		var grid_row = cur_frm.open_grid_row();
		if(!grid_row || !grid_row.grid_form.fields_dict.serial_no ||
			grid_row.grid_form.fields_dict.serial_no.get_status()!=="Write") return;

		var $btn = $('<button class="btn btn-sm btn-default">'+__("Add Serial No")+'</button>')
			.appendTo($("<div>")
				.css({"margin-bottom": "10px", "margin-top": "10px"})
				.appendTo(grid_row.grid_form.fields_dict.serial_no.$wrapper));

		$btn.on("click", function() {
			var d = new frappe.ui.Dialog({
				title: __("Add Serial No"),
				fields: [
					{
						"fieldtype": "Link",
						"options": "Serial No",
						"label": __("Serial No"),
						"get_query": function () {
							return {
								filters: {
									item_code:grid_row.doc.item_code ,
									warehouse:cur_frm.doc.is_return ? null : grid_row.doc.warehouse
								}
							}
						}
					},
					{
						"fieldtype": "Button",
						"label": __("Add")
					}
				]
			});

			d.get_input("add").on("click", function() {
				var serial_no = d.get_value("serial_no");
				if(serial_no) {
					var val = (grid_row.doc.serial_no || "").split("\n").concat([serial_no]).join("\n");
					grid_row.grid_form.fields_dict.serial_no.set_model_value(val.trim());
				}
				d.hide();
				return false;
			});

			d.show();
		});
	}
});


$.extend(erpnext.utils, {
	set_party_dashboard_indicators: function(frm) {
		if(frm.doc.__onload && frm.doc.__onload.dashboard_info) {
			var info = frm.doc.__onload.dashboard_info;
			frm.dashboard.add_indicator(__('Annual Billing: {0}',
				[format_currency(info.billing_this_year, info.currency)]), 'blue');
			frm.dashboard.add_indicator(__('Total Unpaid: {0}',
				[format_currency(info.total_unpaid, info.currency)]),
				info.total_unpaid ? 'orange' : 'green');
		}
	},

	copy_value_in_all_row: function(doc, dt, dn, table_fieldname, fieldname) {
		var d = locals[dt][dn];
		if(d[fieldname]){
			var cl = doc[table_fieldname] || [];
			for(var i = 0; i < cl.length; i++) {
				if(!cl[i][fieldname]) cl[i][fieldname] = d[fieldname];
			}
		}
		refresh_field(table_fieldname);
	}
});

erpnext.utils.map_current_doc = function(opts) {
	if(opts.get_query_filters) {
		opts.get_query = function() {
			return {filters: opts.get_query_filters};
		}
	}
	var _map = function() {
		// remove first item row if empty
		if($.isArray(cur_frm.doc.items) && cur_frm.doc.items.length > 0) {
			if(!cur_frm.doc.items[0].item_code) {
				cur_frm.doc.items = cur_frm.doc.items.splice(1);
			}

			// find the doctype of the items table
			var items_doctype = frappe.meta.get_docfield(cur_frm.doctype, 'items').options;
			
			// find the link fieldname from items table for the given
			// source_doctype
			var link_fieldname = null;
			frappe.get_meta(items_doctype).fields.forEach(function(d) { 
				if(d.options===opts.source_doctype) link_fieldname = d.fieldname; });

			// search in existing items if the source_name is already set and full qty fetched
			var already_set = false;
			var item_qty_map = {};
			
			$.each(cur_frm.doc.items, function(i, d) {
				if(d[link_fieldname]==opts.source_name) {
					already_set = true;
					if (item_qty_map[d.item_code])
						item_qty_map[d.item_code] += flt(d.qty);
					else
						item_qty_map[d.item_code] = flt(d.qty);
				}
			});
			
			if(already_set) {
				frappe.model.with_doc(opts.source_doctype, opts.source_name, function(r) {
					var source_doc = frappe.model.get_doc(opts.source_doctype, opts.source_name);
					$.each(source_doc.items || [], function(i, row) {
						if(row.qty > flt(item_qty_map[row.item_code])) {
							already_set = false;
							return false;
						}
					})
				})

				if(already_set) {
					frappe.msgprint(__("You have already selected items from {0} {1}", 
						[opts.source_doctype, opts.source_name]));
					return;
				}
			}
		}


		return frappe.call({
			// Sometimes we hit the limit for URL length of a GET request
			// as we send the full target_doc. Hence this is a POST request.
			type: "POST",
			method: opts.method,
			args: {
				"source_name": opts.source_name,
				"target_doc": cur_frm.doc
			},
			callback: function(r) {
				if(!r.exc) {
					var doc = frappe.model.sync(r.message);
					cur_frm.refresh();
				}
			}
		});
	}
	if(opts.source_doctype) {
		var d = new frappe.ui.Dialog({
			title: __("Get From ") + __(opts.source_doctype),
			fields: [
				{
					fieldtype: "Link",
					label: __(opts.source_doctype),
					fieldname: opts.source_doctype,
					options: opts.source_doctype,
					get_query: opts.get_query,
					reqd:1
				},
			]
		});
		d.set_primary_action(__('Get Items'), function() {
			var values = d.get_values();
			if(!values)
				return;
			opts.source_name = values[opts.source_doctype];
			d.hide();
			_map();
		})
		d.show();
	} else if(opts.source_name) {
		_map();
	}
}

frappe.form.link_formatters['Item'] = function(value, doc) {
	if(doc && doc.item_name && doc.item_name !== value) {
		return value? value + ': ' + doc.item_name: doc.item_name;
	} else {
		return value;
	}
}

frappe.form.link_formatters['Employee'] = function(value, doc) {
	if(doc && doc.employee_name && doc.employee_name !== value) {
		return value? value + ': ' + doc.employee_name: doc.employee_name;
	} else {
		return value;
	}
}

// add description on posting time
$(document).on('app_ready', function() {
	if(!frappe.datetime.is_timezone_same()) {
		$.each(["Stock Reconciliation", "Stock Entry", "Stock Ledger Entry",
			"Delivery Note", "Purchase Receipt", "Sales Invoice"], function(i, d) {
			frappe.ui.form.on(d, "onload", function(frm) {
				cur_frm.set_df_property("posting_time", "description",
					sys_defaults.time_zone);
			});
		});
	}
});