import unittest
from uuid import uuid4 as _uuid4

import frappe


def uuid4():
	return str(_uuid4())


class TestTaxes(unittest.TestCase):
	def setUp(self):
		self.company = frappe.get_doc(
			{
				"doctype": "Company",
				"company_name": uuid4(),
				"abbr": "".join(s[0] for s in uuid4().split("-")),
				"default_currency": "USD",
				"country": "United States",
			}
		).insert()
		self.account = frappe.get_doc(
			{
				"doctype": "Account",
				"account_name": uuid4(),
				"account_type": "Tax",
				"company": self.company.name,
				"parent_account": "Duties and Taxes - {self.company.abbr}".format(self=self),
			}
		).insert()
		self.item_group = frappe.get_doc(
			{
				"doctype": "Item Group",
				"item_group_name": uuid4(),
				"parent_item_group": "All Item Groups",
			}
		).insert()
		self.item_tax_template = frappe.get_doc(
			{
				"doctype": "Item Tax Template",
				"title": uuid4(),
				"company": self.company.name,
				"taxes": [
					{
						"tax_type": self.account.name,
						"tax_rate": 2,
					}
				],
			}
		).insert()
		self.item = frappe.get_doc(
			{
				"doctype": "Item",
				"item_code": uuid4(),
				"item_group": self.item_group.name,
				"is_stock_item": 0,
				"taxes": [
					{
						"item_tax_template": self.item_tax_template.name,
						"tax_category": "",
					}
				],
			}
		).insert()
		self.customer = frappe.get_doc(
			{
				"doctype": "Customer",
				"customer_name": uuid4(),
				"customer_group": "All Customer Groups",
			}
		).insert()
		self.supplier = frappe.get_doc(
			{
				"doctype": "Supplier",
				"supplier_name": uuid4(),
				"supplier_group": "All Supplier Groups",
			}
		).insert()

	def test_taxes(self):
		self.created_docs = []
		for dt in [
			"Purchase Order",
			"Purchase Receipt",
			"Purchase Invoice",
			"Quotation",
			"Sales Order",
			"Delivery Note",
			"Sales Invoice",
		]:
			doc = frappe.get_doc(
				{
					"doctype": dt,
					"company": self.company.name,
					"supplier": self.supplier.name,
					"currency": "USD",
					"schedule_date": frappe.utils.nowdate(),
					"delivery_date": frappe.utils.nowdate(),
					"customer": self.customer.name,
					"buying_price_list"
					if dt.startswith("Purchase")
					else "selling_price_list": "Standard Buying"
					if dt.startswith("Purchase")
					else "Standard Selling",
					"items": [
						{
							"item_code": self.item.name,
							"qty": 300,
							"rate": 100,
						}
					],
					"taxes": [
						{
							"charge_type": "On Item Quantity",
							"account_head": self.account.name,
							"description": "N/A",
							"rate": 0,
						},
					],
				}
			)
			doc.run_method("set_missing_values")
			doc.run_method("calculate_taxes_and_totals")
			doc.insert()
			self.assertEqual(doc.taxes[0].tax_amount, 600)
			self.created_docs.append(doc)

	def tearDown(self):
		for doc in self.created_docs:
			doc.delete()
		self.item.delete()
		self.item_group.delete()
		self.item_tax_template.delete()
		self.account.delete()
		self.company.delete()