# Copyright 2014 Numérigraphe
# Copyright 2016 Sodexis
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo.tests.common import TransactionCase


class TestStockLogisticsWarehouse(TransactionCase):
    def test_res_config(self):
        """Test the config file"""
        stock_setting = self.env["res.config.settings"].create({})

        self.assertEquals(stock_setting.stock_available_mrp_based_on, "qty_available")
        stock_setting.stock_available_mrp_based_on = "immediately_usable_qty"
        stock_setting.set_values()
        self.assertEquals(
            stock_setting.stock_available_mrp_based_on, "immediately_usable_qty"
        )

    def test01_stock_levels(self):
        """checking that immediately_usable_qty actually reflects \
           the variations in stock, both on product and template"""
        moveObj = self.env["stock.move"]
        productObj = self.env["product.product"]
        templateObj = self.env["product.template"]
        supplier_location = self.env.ref("stock.stock_location_suppliers")
        stock_location = self.env.ref("stock.stock_location_stock")
        customer_location = self.env.ref("stock.stock_location_customers")
        uom_unit = self.env.ref("uom.product_uom_unit")

        # Create product template
        templateAB = templateObj.create({"name": "templAB", "uom_id": uom_unit.id})

        # Create product A and B
        productA = productObj.create(
            {
                "name": "product A",
                "standard_price": 1,
                "type": "product",
                "uom_id": uom_unit.id,
                "default_code": "A",
                "product_tmpl_id": templateAB.id,
            }
        )

        productB = productObj.create(
            {
                "name": "product B",
                "standard_price": 1,
                "type": "product",
                "uom_id": uom_unit.id,
                "default_code": "B",
                "product_tmpl_id": templateAB.id,
            }
        )

        # Create a stock move from INCOMING to STOCK
        stockMoveInA = moveObj.create(
            {
                "location_id": supplier_location.id,
                "location_dest_id": stock_location.id,
                "name": "MOVE INCOMING -> STOCK ",
                "product_id": productA.id,
                "product_uom": productA.uom_id.id,
                "product_uom_qty": 2,
            }
        )

        stockMoveInB = moveObj.create(
            {
                "location_id": supplier_location.id,
                "location_dest_id": stock_location.id,
                "name": "MOVE INCOMING -> STOCK ",
                "product_id": productB.id,
                "product_uom": productB.uom_id.id,
                "product_uom_qty": 3,
            }
        )

        def compare_product_usable_qty(product, value):
            """
            Compare the immediately_usable_qty with the given value
            Check also the search function for the immediately_usable_qty field
            :param product: product (template/product) recordset
            :param value: int
            :return:
            """
            # Refresh, because the function field is not recalculated between
            # transactions
            product.refresh()
            self.assertEqual(product.immediately_usable_qty, value)
            # Now check search function
            domain = [("immediately_usable_qty", "=", value)]
            results = self.env[product._name].search(domain)
            self.assertIn(product.id, results.ids)
            domain = [("immediately_usable_qty", "!=", value)]
            results = self.env[product._name].search(domain)
            self.assertNotIn(product.id, results.ids)
            domain = [("immediately_usable_qty", ">", value - 1)]
            results = self.env[product._name].search(domain)
            self.assertIn(product.id, results.ids)
            domain = [("immediately_usable_qty", "<", value + 1)]
            results = self.env[product._name].search(domain)
            self.assertIn(product.id, results.ids)

        compare_product_usable_qty(productA, 0)
        compare_product_usable_qty(templateAB, 0)

        stockMoveInA._action_confirm()
        compare_product_usable_qty(productA, 2)
        compare_product_usable_qty(templateAB, 2)

        stockMoveInA._action_assign()
        compare_product_usable_qty(productA, 2)
        compare_product_usable_qty(templateAB, 2)

        stockMoveInA._action_done()
        compare_product_usable_qty(productA, 2)
        compare_product_usable_qty(templateAB, 2)

        # will directly trigger action_done on productB
        stockMoveInB._action_done()
        compare_product_usable_qty(productA, 2)
        compare_product_usable_qty(productB, 3)
        compare_product_usable_qty(templateAB, 5)

        # Create a stock move from STOCK to CUSTOMER
        stockMoveOutA = moveObj.create(
            {
                "location_id": stock_location.id,
                "location_dest_id": customer_location.id,
                "name": " STOCK --> CUSTOMER ",
                "product_id": productA.id,
                "product_uom": productA.uom_id.id,
                "product_uom_qty": 1,
                "state": "confirmed",
            }
        )

        stockMoveOutA._action_done()
        compare_product_usable_qty(productA, 1)
        compare_product_usable_qty(templateAB, 4)

        # Potential Qty is set as 0.0 by default
        self.assertEquals(templateAB.potential_qty, 0.0)
        self.assertEquals(productA.potential_qty, 0.0)

    def test_available_stock_multiple_location(self):
        uom_unit = self.env.ref("uom.product_uom_unit")
        productA = self.env["product.product"].create(
            {
                "name": "product A",
                "standard_price": 1,
                "type": "product",
                "uom_id": uom_unit.id,
                "default_code": "A",
            }
        )
        supplier_location = self.env.ref("stock.stock_location_suppliers")
        shelf1 = self.env.ref("stock.stock_location_components")
        shelf2 = self.env.ref("stock.stock_location_14")

        # Create a stock move from INCOMING to STOCK
        stockMoveIn = self.env["stock.move"].create(
            {
                "location_id": supplier_location.id,
                "location_dest_id": shelf1.id,
                "name": "MOVE INCOMING -> STOCK ",
                "product_id": productA.id,
                "product_uom": productA.uom_id.id,
                "product_uom_qty": 2,
            }
        )
        stockMoveIn._action_confirm()
        self.assertEqual(
            productA.with_context(location=shelf1.id).immediately_usable_qty, 2.0
        )
        self.assertEqual(
            productA.with_context(location=shelf2.id).immediately_usable_qty, 0.0
        )