"""样本运费：运输方式字典解析与关联规则"""

import unittest
from decimal import Decimal
from unittest.mock import MagicMock

from app.services.sample_transport_mode import resolve_transport_mode_value


class TestResolveTransportMode(unittest.TestCase):
    def test_empty_raises(self):
        db = MagicMock()
        with self.assertRaises(ValueError):
            resolve_transport_mode_value(db, tenant_no="zkxw", raw="", user_id=None)

    def test_hit_by_value(self):
        db = MagicMock()
        type_exists = MagicMock()
        row = MagicMock(dict_value="sfkd", dict_label="顺丰快递", del_flag=0)
        db.query.return_value.filter.return_value.first.side_effect = [type_exists, row]
        self.assertEqual(
            resolve_transport_mode_value(db, tenant_no="zkxw", raw="sfkd", user_id=None),
            "sfkd",
        )

    def test_hit_by_label_then_create_path_not_called(self):
        db = MagicMock()
        type_exists = MagicMock()
        miss = None
        hit = MagicMock(dict_value="zxc", dict_label="专线车", del_flag=0)
        db.query.return_value.filter.return_value.first.side_effect = [
            type_exists,
            miss,
            hit,
        ]
        self.assertEqual(
            resolve_transport_mode_value(db, tenant_no="zkxw", raw="专线车", user_id=None),
            "zxc",
        )
        db.add.assert_not_called()


class TestFreightAmountValidation(unittest.TestCase):
    def test_negative_rejected(self):
        from app.crud.sample_freight import _parse_amount

        with self.assertRaises(ValueError):
            _parse_amount(-1)

    def test_zero_ok(self):
        from app.crud.sample_freight import _parse_amount

        self.assertEqual(_parse_amount(0), Decimal("0"))

    def test_empty_rejected(self):
        from app.crud.sample_freight import _parse_amount

        with self.assertRaises(ValueError):
            _parse_amount(None)
        with self.assertRaises(ValueError):
            _parse_amount("")


class TestFreightListHelpers(unittest.TestCase):
    def test_item_dict_has_enrichment_keys(self):
        from app.crud.sample_freight import _item_to_dict_enriched

        class I:
            id = "i1"
            freight_id = "f1"
            sample_source = "cell_storage"
            sample_id = "s1"
            sample_code = "CODE1"
            protocol_id = "p1"

        d = _item_to_dict_enriched(
            I(),
            protocol_no="CP001",
            sample_type_name="脐带血",
            mother_name="张三",
            newborn_name="张小宝",
        )
        self.assertEqual(d["protocolNo"], "CP001")
        self.assertEqual(d["sampleTypeName"], "脐带血")
        self.assertEqual(d["sampleSource"], "cell_storage")
        self.assertEqual(d["motherName"], "张三")
        self.assertEqual(d["newbornName"], "张小宝")

    def test_row_dict_includes_create_by(self):
        from app.crud.sample_freight import _row_to_dict

        class F:
            id = "f1"
            freight_no = "YF20261008001"
            transport_mode = "sfkd"
            freight_amount = Decimal("10.00")
            tenant_no = "zkxw"
            order_num = 0
            remark = None
            create_by = "u1"
            create_time = None
            update_time = None

        d = _row_to_dict(F(), linked_sample_count=2, create_by_name="张三")
        self.assertEqual(d["createBy"], "u1")
        self.assertEqual(d["createByName"], "张三")
        self.assertEqual(d["linkedSampleCount"], 2)
        self.assertEqual(d["freightNo"], "YF20261008001")


class TestGenerateFreightNo(unittest.TestCase):
    def test_first_of_day(self):
        from datetime import datetime

        from app.crud.sample_freight import _generate_freight_no

        db = MagicMock()
        db.query.return_value.filter.return_value.order_by.return_value.first.return_value = None
        no = _generate_freight_no(db, "zkxw", when=datetime(2026, 10, 8, 12, 0, 0))
        self.assertEqual(no, "YF20261008001")

    def test_increments_from_existing(self):
        from datetime import datetime

        from app.crud.sample_freight import _generate_freight_no

        db = MagicMock()
        db.query.return_value.filter.return_value.order_by.return_value.first.return_value = (
            "YF20261008003",
        )
        no = _generate_freight_no(db, "zkxw", when=datetime(2026, 10, 8, 12, 0, 0))
        self.assertEqual(no, "YF20261008004")

    def test_rejects_over_999(self):
        from datetime import datetime

        from app.crud.sample_freight import _generate_freight_no

        db = MagicMock()
        db.query.return_value.filter.return_value.order_by.return_value.first.return_value = (
            "YF20261008999",
        )
        with self.assertRaises(ValueError):
            _generate_freight_no(db, "zkxw", when=datetime(2026, 10, 8, 12, 0, 0))


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