import sys
import unittest
from pathlib import Path

PROJECT_DIR = Path(__file__).resolve().parent
sys.path.insert(0, str(PROJECT_DIR))

import app


class JewelryInventoryTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls):
        app.init_db(force_reset=True)
        cls.client = app.app.test_client()

    def test_index_route(self):
        response = self.client.get("/")
        self.assertEqual(response.status_code, 200)
        self.assertIn(b"\xd0\x97\xd0\xb0\xd1\x8f\xd0\xb2\xd0\xba\xd0\xb8", response.data)

    def test_products_route(self):
        response = self.client.get("/products")
        self.assertEqual(response.status_code, 200)
        self.assertIn(b"\xd0\xae\xd0\xb2\xd0\xb5\xd0\xbb\xd0\xb8\xd1\x80\xd0\xbd\xd1\x8b\xd0\xb5", response.data)

    def test_partners_route(self):
        response = self.client.get("/partners")
        self.assertEqual(response.status_code, 200)

    def test_metal_types_route(self):
        response = self.client.get("/metal_types")
        self.assertEqual(response.status_code, 200)

    def test_product_price_calculation(self):
        price = app.calculate_product_price(3500, 3.5, 585, 1.2)
        self.assertAlmostEqual(price, 8600.70, places=2)

    def test_partner_discount_calculation(self):
        self.assertEqual(app.calculate_partner_discount(400000), 0)
        self.assertEqual(app.calculate_partner_discount(600000), 5)
        self.assertEqual(app.calculate_partner_discount(1200000), 10)
        self.assertEqual(app.calculate_partner_discount(2500000), 15)

    def test_product_create(self):
        response = self.client.post(
            "/products/add",
            data={
                "metal_type_id": "1",
                "sku": "TEST-001",
                "name": "Тестовое кольцо",
                "weight_grams": "4.0",
                "complexity_factor": "1.3",
                "description": "Тестовое изделие",
            },
            follow_redirects=True,
        )
        self.assertEqual(response.status_code, 200)
        self.assertIn(b"\xd0\xa2\xd0\xbe\xd0\xb2\xd0\xb0\xd1\x80 \xd1\x81\xd0\xbe\xd0\xb7\xd0\xb4\xd0\xb0\xd0\xbd", response.data)


if __name__ == "__main__":
    unittest.main()