from __future__ import annotations

import unittest
from pathlib import Path

from cognitive_agent.application.vehicle_profile import VehicleProfileRegistry


ROOT = Path(__file__).resolve().parents[2]


class VehicleProfileTests(unittest.TestCase):
    def setUp(self) -> None:
        self.registry = VehicleProfileRegistry(ROOT / "config" / "vehicles")

    def test_loads_denza_n7_seat_motor_calibration(self) -> None:
        profile = self.registry.get("denza_n7")

        self.assertEqual(profile.id, "denza_n7")
        self.assertEqual(profile.name, "腾势 N7")
        self.assertEqual(set(profile.seat_motors), {
            "longitudinal",
            "cushion_tilt",
            "backrest_recline",
            "legrest_height",
        })
        self.assertEqual(profile.seat_motors["longitudinal"].range, 215)
        self.assertEqual(profile.seat_motors["longitudinal"].hall_total_pulses, 480)
        self.assertEqual(profile.seat_motors["longitudinal"].reference_zero, "forwardmost")
        self.assertEqual(profile.seat_motors["longitudinal"].positive_direction, "backward")
        self.assertEqual(profile.seat_motors["cushion_tilt"].reference_zero, "highest")
        self.assertEqual(profile.seat_motors["cushion_tilt"].positive_direction, "down")
        self.assertEqual(profile.seat_motors["backrest_recline"].range, 68)
        self.assertEqual(profile.seat_motors["backrest_recline"].hall_total_pulses, 917)
        self.assertEqual(profile.seat_motors["legrest_height"].range, 72)
        self.assertEqual(profile.seat_motors["legrest_height"].hall_total_pulses, 647)

    def test_converts_relative_physical_delta_to_absolute_percent(self) -> None:
        profile = self.registry.get("denza_n7")

        self.assertEqual(
            profile.relative_target_pct("longitudinal", current_pct=50, delta=50, direction="increase"),
            73,
        )
        self.assertEqual(
            profile.relative_target_pct("backrest_recline", current_pct=20, delta=10, direction="increase"),
            35,
        )
        self.assertEqual(
            profile.relative_target_pct("legrest_height", current_pct=10, delta=10, direction="decrease"),
            0,
        )

    def test_exposes_display_angle_ranges_for_frontend(self) -> None:
        profile = self.registry.get("denza_n7")
        public = profile.public_dict()

        backrest = public["seat"]["motors"]["backrest_recline"]
        legrest = public["seat"]["motors"]["legrest_height"]
        self.assertEqual(backrest["display_angle"], {
            "kind": "included_angle",
            "zero_deg": 95,
            "max_deg": 163,
            "provisional": False,
        })
        self.assertEqual(legrest["display_angle"], {
            "kind": "included_angle",
            "zero_deg": 95,
            "max_deg": 167,
            "provisional": False,
        })


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