from __future__ import annotations

import unittest

from app.main import (
    ReactFlowProjectPayload,
    build_reactflow_system_xml,
    compile_reactflow_network,
    run_system_xml_simulation,
)
from app.system_xml import validate_system_xml_document
from tests.test_generic_system_xml_simulation import component_node, physical_edge
from tests.test_system_xml_protocol import physical_port


def _storage_nodes(*, source_pressure: float = 500000.0, sink_pressure: float = 100000.0) -> list:
    return [
        component_node(
            "cylinder_1",
            "cylinder",
            [physical_port("port_b", "outlet", "right")],
            {"volume": 0.01, "p0": source_pressure, "T0": 300.0},
        ),
        component_node(
            "tank_1",
            "tank",
            [physical_port("port_a", "inlet", "left")],
            {"volume": 0.1, "p0": sink_pressure, "T0": 300.0},
        ),
    ]


def _dynamic_pipe_params() -> dict[str, float]:
    return {
        "diam": 0.01,
        "le": 1.0,
        "rr": 1.0e-5,
        "k": 1.35,
        "kth": 0.0,
        "extemp": 300.0,
        "gi": 1.0,
        "mode": 2.0,
        "p0": 300000.0,
        "T0": 300.0,
    }


def _resistance_node(name: str) -> object:
    return component_node(
        name,
        "amesim_pnl00r",
        [
            physical_port("port_1", "bidirectional", "left"),
            physical_port("port_2", "bidirectional", "right"),
        ],
        {"diam": 0.01, "le": 0.5, "rr": 1.0e-5, "gi": 1.0},
    )


def amesim_pnl0002_project() -> ReactFlowProjectPayload:
    return ReactFlowProjectPayload(
        name="amesim-pnl0002-smoke",
        nodes=[
            _storage_nodes()[0],
            component_node(
                "pnl_2",
                "amesim_pnl0002",
                [
                    physical_port("port_1", "bidirectional", "left"),
                    physical_port("port_2", "bidirectional", "right"),
                ],
                _dynamic_pipe_params(),
            ),
            _storage_nodes()[1],
        ],
        edges=[
            physical_edge("edge-1", "cylinder_1", "port_b", "pnl_2", "port_1"),
            physical_edge("edge-2", "pnl_2", "port_2", "tank_1", "port_a"),
        ],
        simulation={"t_start": 0.0, "t_stop": 0.002, "step": 0.001, "max_step": 0.001, "method": "BDF"},
    )


def amesim_pnl0003_project() -> ReactFlowProjectPayload:
    params = {
        key: value
        for key, value in _dynamic_pipe_params().items()
        if key not in {"p0", "T0"}
    }
    params.update({"p1_0": 300000.0, "T1_0": 300.0, "p2_0": 300000.0, "T2_0": 300.0})
    return ReactFlowProjectPayload(
        name="amesim-pnl0003-smoke",
        nodes=[
            _storage_nodes(source_pressure=300000.0, sink_pressure=300000.0)[0],
            _resistance_node("resistance_1"),
            component_node(
                "pnl_3",
                "amesim_pnl0003",
                [
                    physical_port("port_1", "bidirectional", "left"),
                    physical_port("port_2", "bidirectional", "right"),
                ],
                params,
            ),
            _resistance_node("resistance_2"),
            _storage_nodes(source_pressure=300000.0, sink_pressure=300000.0)[1],
        ],
        edges=[
            physical_edge("edge-1", "cylinder_1", "port_b", "resistance_1", "port_1"),
            physical_edge("edge-2", "resistance_1", "port_2", "pnl_3", "port_1"),
            physical_edge("edge-3", "pnl_3", "port_2", "resistance_2", "port_1"),
            physical_edge("edge-4", "resistance_2", "port_2", "tank_1", "port_a"),
        ],
        simulation={"t_start": 0.0, "t_stop": 0.002, "step": 0.001, "max_step": 0.001, "method": "BDF"},
    )


class AmesimPnl0002Pnl0003XmlTests(unittest.TestCase):
    def test_pnl0002_reactflow_project_compiles(self) -> None:
        network = compile_reactflow_network(amesim_pnl0002_project())

        self.assertIn("pnl_2", network.components)
        self.assertEqual(network.components["pnl_2"].model_type, "amesim_pnl0002")
        self.assertTrue(network.pressure_flow_structure_dict()["isSquare"])

    def test_pnl0002_system_xml_validates_and_simulates(self) -> None:
        xml = build_reactflow_system_xml(amesim_pnl0002_project())
        report = validate_system_xml_document(xml)

        self.assertTrue(report.valid, report.as_dict())
        result = run_system_xml_simulation(xml)

        self.assertTrue(result["success"], result["message"])
        self.assertEqual(result["series"]["time"], [0.0, 0.001, 0.002])
        self.assertIn("pnl_2.port_1.m_flow", result["series"])
        self.assertIn("pnl_2.m", result["series"])

    def test_pnl0003_reactflow_project_compiles(self) -> None:
        network = compile_reactflow_network(amesim_pnl0003_project())

        self.assertIn("pnl_3", network.components)
        self.assertEqual(network.components["pnl_3"].model_type, "amesim_pnl0003")
        self.assertTrue(network.pressure_flow_structure_dict()["isSquare"])

    def test_pnl0003_system_xml_validates_and_simulates(self) -> None:
        xml = build_reactflow_system_xml(amesim_pnl0003_project())
        report = validate_system_xml_document(xml)

        self.assertTrue(report.valid, report.as_dict())
        result = run_system_xml_simulation(xml)

        self.assertTrue(result["success"], result["message"])
        self.assertEqual(result["series"]["time"], [0.0, 0.001, 0.002])
        self.assertIn("pnl_3.port_1.m_flow", result["series"])
        self.assertIn("pnl_3.dmctr", result["series"])


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