"""细胞产品来源链质检 — 节点展平与编排"""
import unittest
from unittest.mock import MagicMock, patch

from app.crud.cell_product import _flatten_lineage_nodes, get_product_lineage_qc


class TestFlattenLineageNodes(unittest.TestCase):
    def test_current_only_when_no_ancestors(self):
        chain = {
            "current": {
                "id": "cp-cur",
                "productCode": "C-CUR",
                "productName": "当前",
                "nodeType": "cell_product",
                "passage": "P2",
                "isCurrent": True,
            },
            "ancestors": [],
        }
        nodes = _flatten_lineage_nodes(chain)
        self.assertEqual(len(nodes), 1)
        self.assertEqual(nodes[0]["id"], "cp-cur")
        self.assertTrue(nodes[0]["isCurrent"])

    def test_sample_then_parent_then_current_order(self):
        sample = {
            "id": "s1",
            "nodeType": "sample",
            "sampleCode": "YB001",
            "receptionSource": "cell_storage",
            "receptionSourceLabel": "细胞存储",
        }
        parent = {
            "id": "cp-p1",
            "productCode": "C-P1",
            "productName": "父代",
            "nodeType": "cell_product",
            "passage": "P1",
            "isCurrent": False,
        }
        current = {
            "id": "cp-cur",
            "productCode": "C-CUR",
            "productName": "当前",
            "nodeType": "cell_product",
            "passage": "P2",
            "isCurrent": True,
        }
        chain = {
            "current": current,
            "ancestors": [
                {
                    "node": parent,
                    "edge": {},
                    "parent": {"node": sample, "edge": {}, "parent": None},
                }
            ],
        }
        nodes = _flatten_lineage_nodes(chain)
        self.assertEqual([n["id"] for n in nodes], ["s1", "cp-p1", "cp-cur"])
        self.assertEqual(nodes[0]["nodeType"], "sample")
        self.assertTrue(nodes[-1]["isCurrent"])

    def test_dedupe_same_node_type_and_id(self):
        parent = {
            "id": "cp-p1",
            "nodeType": "cell_product",
            "productCode": "C-P1",
            "productName": "父",
            "passage": "P1",
            "isCurrent": False,
        }
        current = {
            "id": "cp-cur",
            "nodeType": "cell_product",
            "productCode": "C-CUR",
            "productName": "当前",
            "passage": "P2",
            "isCurrent": True,
        }
        chain = {
            "current": current,
            "ancestors": [
                {"node": parent, "edge": {}, "parent": None},
                {"node": dict(parent), "edge": {}, "parent": None},
            ],
        }
        nodes = _flatten_lineage_nodes(chain)
        ids = [n["id"] for n in nodes]
        self.assertEqual(ids.count("cp-p1"), 1)
        self.assertEqual(ids[-1], "cp-cur")

    def test_parent_array_multi_input(self):
        s1 = {"id": "s1", "nodeType": "sample", "sampleCode": "A", "receptionSource": "cell_storage"}
        s2 = {"id": "s2", "nodeType": "sample", "sampleCode": "B", "receptionSource": "cell_storage"}
        parent = {
            "id": "cp-p1",
            "nodeType": "cell_product",
            "productCode": "P1",
            "productName": "父",
            "passage": "P1",
            "isCurrent": False,
        }
        current = {
            "id": "cp-cur",
            "nodeType": "cell_product",
            "productCode": "CUR",
            "productName": "当前",
            "passage": "P2",
            "isCurrent": True,
        }
        chain = {
            "current": current,
            "ancestors": [
                {
                    "node": parent,
                    "edge": {},
                    "parent": [
                        {"node": s1, "edge": {}, "parent": None},
                        {"node": s2, "edge": {}, "parent": None},
                    ],
                }
            ],
        }
        nodes = _flatten_lineage_nodes(chain)
        ids = [n["id"] for n in nodes]
        self.assertIn("s1", ids)
        self.assertIn("s2", ids)
        self.assertEqual(ids[-1], "cp-cur")


class TestGetProductLineageQc(unittest.TestCase):
    @patch("app.crud.cell_product.get_product_chain")
    @patch("app.crud.cell_product._load_lineage_qc_for_nodes")
    def test_missing_product_returns_none(self, _load, get_chain):
        get_chain.return_value = None
        db = MagicMock()
        self.assertIsNone(get_product_lineage_qc(db, "missing", "zkxw"))
        _load.assert_not_called()

    @patch("app.crud.cell_product.get_product_chain")
    @patch("app.crud.cell_product._load_lineage_qc_for_nodes")
    def test_returns_product_header_and_nodes(self, load_nodes, get_chain):
        get_chain.return_value = {
            "current": {
                "id": "cp1",
                "productCode": "C1",
                "productName": "产品1",
                "nodeType": "cell_product",
                "passage": "P1",
                "isCurrent": True,
            },
            "ancestors": [],
        }
        load_nodes.return_value = [
            {
                "nodeType": "cell_product",
                "id": "cp1",
                "label": "C1",
                "productName": "产品1",
                "passage": "P1",
                "receptionSource": None,
                "isCurrent": True,
                "workOrders": [
                    {
                        "id": "wo1",
                        "workOrderNo": "WO1",
                        "workOrderType": "temporary",
                        "workOrderStatus": "ywc",
                        "workOrderStatusLabel": "已完成",
                        "tasks": [
                            {
                                "id": "t1",
                                "taskNo": "T1",
                                "itemName": "无菌",
                                "results": [{"paramName": "结果", "paramValue": "阴性"}],
                                "attachmentFiles": [],
                                "remark": "",
                                "conclusion": "tg",
                            }
                        ],
                    }
                ],
            }
        ]
        db = MagicMock()
        out = get_product_lineage_qc(db, "cp1", "zkxw")
        self.assertEqual(out["productId"], "cp1")
        self.assertEqual(out["productCode"], "C1")
        self.assertEqual(len(out["nodes"]), 1)
        self.assertEqual(
            out["nodes"][0]["workOrders"][0]["tasks"][0]["results"][0]["paramValue"],
            "阴性",
        )


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