from __future__ import annotations

import unittest
from pathlib import Path

from app.simulation.reporting.amesim_results import load_test_mql_amesim_results
from app.simulation.reporting.test_mql_variables import (
    build_test_mql_variable_catalog,
    split_data_path,
)


REPO_ROOT = Path(__file__).resolve().parents[1]
TEST_MQL_AME = REPO_ROOT / "AmesimModels" / "test_mql.ame"


class TestMqlVariableCatalogTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.amesim_results = load_test_mql_amesim_results(TEST_MQL_AME)
        cls.catalog = build_test_mql_variable_catalog(cls.amesim_results)

    def test_catalog_covers_all_amesim_data_paths(self) -> None:
        self.assertEqual(self.catalog.data_path_count, 1100)
        self.assertEqual(self.catalog.saved_data_path_count, 1100)
        self.assertEqual(self.catalog.counts_by_owner_kind(), {"component": 712, "connection": 388})

    def test_component_variable_mapping_preserves_alias_and_submodel(self) -> None:
        variable = self.catalog.by_data_path("temp3@pn_c1_8")

        self.assertEqual(variable.index, 0)
        self.assertEqual(variable.signal_name, "temp3")
        self.assertEqual(variable.owner_alias, "pn_c1_8")
        self.assertEqual(variable.owner_kind, "component")
        self.assertEqual(variable.submodel, "PNCH012")
        self.assertEqual(variable.units, "K")
        self.assertTrue(variable.saved)

    def test_connection_variable_mapping_preserves_line_submodel(self) -> None:
        variable = self.catalog.by_data_path("dm1@pneumatic_69")

        self.assertEqual(variable.signal_name, "dm1")
        self.assertEqual(variable.owner_alias, "pneumatic_69")
        self.assertEqual(variable.owner_kind, "connection")
        self.assertEqual(variable.submodel, "PNL0001")
        self.assertEqual(variable.units, "g/s")

    def test_counts_by_submodel_include_components_and_connections(self) -> None:
        counts = self.catalog.counts_by_submodel()

        self.assertEqual(counts["PNL0001"], 180)
        self.assertEqual(counts["PNCH012"], 80)
        self.assertEqual(counts["PNRP17"], 72)
        self.assertEqual(counts["PNVO001"], 56)
        self.assertEqual(counts["PNOR001"], 48)
        self.assertEqual(counts["PNCH023"], 20)

    def test_owner_lookup_returns_data_paths_for_component(self) -> None:
        paths = self.catalog.data_paths_for_owner("pn_c1_8")

        self.assertIn("temp3@pn_c1_8", paths)
        self.assertIn("press3@pn_c1_8", paths)
        self.assertEqual(len(paths), 10)

    def test_split_data_path_rejects_invalid_values(self) -> None:
        self.assertEqual(split_data_path("press3@pn_c1_8"), ("press3", "pn_c1_8"))
        with self.assertRaises(ValueError):
            split_data_path("press3")


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