"""Tests de Vessel, Deck, Bulkhead."""

from __future__ import annotations

import pytest
from pydantic import ValidationError

from vmssailor.core import Vessel, VesselSubtype, VesselType
from vmssailor.core.vessel import Bulkhead, Deck


def test_deck_height() -> None:
    d = Deck(id="main", name="Main", z_bl_bottom=2.0, z_bl_top=4.5)
    assert d.height() == pytest.approx(2.5)


def test_deck_polygon_empty_ok() -> None:
    Deck(id="main", name="Main", z_bl_bottom=2.0, z_bl_top=4.5)


def test_deck_polygon_too_few_vertices_rejected() -> None:
    with pytest.raises(ValidationError):
        Deck(
            id="main",
            name="Main",
            z_bl_bottom=2.0,
            z_bl_top=4.5,
            polygon_xy=[(0.0, 0.0), (1.0, 0.0)],
        )


def test_minimal_vessel(minimal_vessel: Vessel) -> None:
    assert minimal_vessel.length_overall_m == 24.0
    assert minimal_vessel.type == VesselType.YACHT_MOTOR
    assert minimal_vessel.subtype == VesselSubtype.PLANING
    assert len(minimal_vessel.decks) == 1


def test_vessel_duplicate_deck_ids_rejected() -> None:
    with pytest.raises(ValidationError):
        Vessel(
            id="x",
            name="X",
            type=VesselType.YACHT_MOTOR,
            subtype=VesselSubtype.PLANING,
            length_overall_m=20.0,
            beam_max_m=5.0,
            draft_m=1.5,
            decks=[
                Deck(id="main", name="A", z_bl_bottom=0.0, z_bl_top=2.0),
                Deck(id="main", name="B", z_bl_bottom=2.0, z_bl_top=4.0),
            ],
        )


def test_vessel_position_helpers(minimal_vessel: Vessel) -> None:
    bow = minimal_vessel.position_at_bow()
    assert bow.x_pp == minimal_vessel.length_overall_m
    origin = minimal_vessel.position_at_origin()
    assert origin.x_pp == 0.0


def test_vessel_invalid_length_rejected() -> None:
    with pytest.raises(ValidationError):
        Vessel(
            id="x",
            name="X",
            type=VesselType.YACHT_MOTOR,
            subtype=VesselSubtype.PLANING,
            length_overall_m=-1.0,
            beam_max_m=5.0,
            draft_m=1.5,
        )


def test_bulkhead_basic() -> None:
    b = Bulkhead(id="col", name="Collision", x_pp=21.0)
    assert b.x_pp == 21.0
    assert b.description == ""