import openpyxl
from datatypes.magicplan.domain.models import Door, Floor, Plan, Room, Window
from backend.magic_plan.audit_script import AuditRow, _apply_section_borders, _build_rows, _write_data_rows, _write_headers


def test_build_rows_opening_and_trickle_vent_fields_are_none() -> None:
    # Arrange — plan with one window so opening/trickle_vent fields are exercised
    plan = Plan(
        uid="x",
        name=None,
        floors=[
            Floor(level=0, name=None, rooms=[
                Room(
                    name="Living Room",
                    width_m=3.0,
                    length_m=4.0,
                    area_m2=12.0,
                    windows=[Window(width_m=1.0, height_m=1.0, area_m2=1.0, opening_type="side_hung")],
                ),
            ]),
        ],
    )

    # Act
    rows = _build_rows(plan)

    # Assert — all new forward-compatible fields default to None
    data_row = next(r for r in rows if r.window_label is not None)
    assert data_row.opening_count is None
    assert data_row.opening_width_m is None
    assert data_row.opening_height_m is None
    assert data_row.opening_total_area_m2 is None
    assert data_row.trickle_vent_blocked is None
    assert data_row.trickle_vent_pictured is None
    assert data_row.trickle_vent_effective_area is None
    assert data_row.trickle_vent_count is None
    assert data_row.trickle_vent_total_effective_area is None


def test_build_rows_empty_plan_returns_empty_list() -> None:
    # Arrange
    plan = Plan(uid="x", name=None, floors=[])

    # Act
    rows: list[AuditRow] = _build_rows(plan)

    # Assert
    assert rows == []


def test_build_rows_single_room_no_windows_or_doors() -> None:
    # Arrange
    plan = Plan(
        uid="x",
        name=None,
        floors=[
            Floor(level=0, name=None, rooms=[
                Room(name="Hall", width_m=2.0, length_m=3.0, area_m2=6.0),
            ]),
        ],
    )

    # Act
    rows: list[AuditRow] = _build_rows(plan)

    # Assert — separator + one data row
    assert len(rows) == 2
    separator, data = rows
    assert separator.floor_level == 0
    assert data.room_name == "Hall"
    assert data.room_width_m == 2.0
    assert data.room_length_m == 3.0
    assert data.room_area_m2 == 6.0
    assert data.window_label is None
    assert data.door_location is None


def test_build_rows_room_with_more_windows_than_doors() -> None:
    # Arrange — 2 windows, 1 door → 2 data rows; room columns blank on row 2
    plan = Plan(
        uid="x",
        name=None,
        floors=[
            Floor(level=0, name=None, rooms=[
                Room(
                    name="Lounge",
                    width_m=4.0,
                    length_m=5.0,
                    area_m2=20.0,
                    windows=[
                        Window(width_m=1.0, height_m=1.0, area_m2=1.0, opening_type="side_hung"),
                        Window(width_m=0.8, height_m=1.0, area_m2=0.8, opening_type="top_hung"),
                    ],
                    doors=[Door(width_mm=762.0)],
                ),
            ]),
        ],
    )

    # Act
    rows: list[AuditRow] = _build_rows(plan)

    # Assert
    data_rows = [r for r in rows if r.floor_level is None]
    assert len(data_rows) == 2
    # row 0 carries room columns
    assert data_rows[0].room_name == "Lounge"
    assert data_rows[0].window_label == "W1"
    assert data_rows[0].door_location == "Lounge"
    # row 1 room columns are blank
    assert data_rows[1].room_name is None
    assert data_rows[1].window_label == "W2"
    assert data_rows[1].door_location is None


def test_build_rows_room_with_more_doors_than_windows() -> None:
    # Arrange — 1 window, 2 doors → 2 data rows
    plan = Plan(
        uid="x",
        name=None,
        floors=[
            Floor(level=0, name=None, rooms=[
                Room(
                    name="Bedroom",
                    width_m=3.5,
                    length_m=4.0,
                    area_m2=14.0,
                    windows=[Window(width_m=1.2, height_m=1.0, area_m2=1.2, opening_type="side_hung")],
                    doors=[Door(width_mm=762.0), Door(width_mm=686.0)],
                ),
            ]),
        ],
    )

    # Act
    rows: list[AuditRow] = _build_rows(plan)

    # Assert
    data_rows = [r for r in rows if r.floor_level is None]
    assert len(data_rows) == 2
    assert data_rows[0].window_label == "W1"
    assert data_rows[0].door_width_mm == 762.0
    assert data_rows[1].window_label is None
    assert data_rows[1].door_width_mm == 686.0


def test_build_rows_floor_separator_precedes_rooms() -> None:
    # Arrange
    plan = Plan(
        uid="x",
        name=None,
        floors=[
            Floor(level=0, name=None, rooms=[
                Room(name="Room A", width_m=1.0, length_m=1.0, area_m2=1.0),
            ]),
            Floor(level=1, name=None, rooms=[
                Room(name="Room B", width_m=1.0, length_m=1.0, area_m2=1.0),
            ]),
        ],
    )

    # Act
    rows: list[AuditRow] = _build_rows(plan)

    # Assert — rows in order: sep(0), data, sep(1), data
    assert rows[0].floor_level == 0
    assert rows[1].room_name == "Room A"
    assert rows[2].floor_level == 1
    assert rows[3].room_name == "Room B"


def test_build_rows_window_labels_sequential_across_floors() -> None:
    # Arrange — two floors, one window each; labels must be W1, W2 (no reset)
    plan = Plan(
        uid="x",
        name=None,
        floors=[
            Floor(level=0, name=None, rooms=[
                Room(
                    name="Ground Room",
                    width_m=1.0,
                    length_m=1.0,
                    area_m2=1.0,
                    windows=[Window(width_m=1.0, height_m=1.0, area_m2=1.0, opening_type="side_hung")],
                ),
            ]),
            Floor(level=1, name=None, rooms=[
                Room(
                    name="First Room",
                    width_m=1.0,
                    length_m=1.0,
                    area_m2=1.0,
                    windows=[Window(width_m=1.0, height_m=1.0, area_m2=1.0, opening_type="top_hung")],
                ),
            ]),
        ],
    )

    # Act
    rows: list[AuditRow] = _build_rows(plan)

    # Assert
    labels = [r.window_label for r in rows if r.window_label is not None]
    assert labels == ["W1", "W2"]


def test_build_rows_room_name_in_location_on_every_row() -> None:
    # Arrange — room with 2 windows and 2 doors
    plan = Plan(
        uid="x",
        name=None,
        floors=[
            Floor(level=0, name=None, rooms=[
                Room(
                    name="Kitchen",
                    width_m=3.0,
                    length_m=3.0,
                    area_m2=9.0,
                    windows=[
                        Window(width_m=1.0, height_m=1.0, area_m2=1.0, opening_type="side_hung"),
                        Window(width_m=0.8, height_m=1.0, area_m2=0.8, opening_type="top_hung"),
                    ],
                    doors=[Door(width_mm=762.0), Door(width_mm=686.0)],
                ),
            ]),
        ],
    )

    # Act
    rows: list[AuditRow] = _build_rows(plan)

    # Assert — every data row carries "Kitchen" in location fields
    data_rows = [r for r in rows if r.floor_level is None]
    for row in data_rows:
        assert row.window_location == "Kitchen"
        assert row.door_location == "Kitchen"


def test_write_headers_two_rows_correct_labels_and_column_positions() -> None:
    # Arrange
    wb = openpyxl.Workbook()
    ws = wb.active  # type: ignore[assignment]

    # Act
    _write_headers(ws)

    # Assert — group labels in row 1 at the new column positions
    assert ws.cell(row=1, column=1).value == "Room"
    assert ws.cell(row=1, column=6).value == "Window Area"
    assert ws.cell(row=1, column=12).value == "Openings"
    assert ws.cell(row=1, column=16).value == "Trickle Vents"
    assert ws.cell(row=1, column=22).value == "Doors"
    # Assert — "Door Undercuts" label no longer used
    assert ws.cell(row=1, column=28).value is None
    # Assert — only two header rows; row 3 is empty
    assert ws.cell(row=3, column=1).value is None
    assert ws.cell(row=3, column=13).value is None
    # Assert — opening columns use self-describing labels (no "Opening 1" sub-header)
    assert ws.cell(row=2, column=12).value == "No. of Openings"
    assert ws.cell(row=2, column=13).value == "Opening Width m"
    assert ws.cell(row=2, column=14).value == "Opening Height m"
    assert ws.cell(row=2, column=15).value == "Total Area m²"


def test_apply_section_borders_sets_medium_right_border_on_boundary_columns() -> None:
    # Arrange
    wb = openpyxl.Workbook()
    ws = wb.active  # type: ignore[assignment]

    # Act
    _apply_section_borders(ws, 1)

    # Assert — medium right-border on last col of each subtable
    for col in (4, 11, 15, 20):
        assert ws.cell(row=1, column=col).border.right.style == "medium", f"col {col}"
    # Assert — non-boundary columns have no medium right-border
    for col in (1, 6, 12, 22):
        right = ws.cell(row=1, column=col).border.right
        assert right is None or right.style != "medium", f"col {col}"


def test_write_data_rows_places_door_data_at_cols_22_to_25() -> None:
    # Arrange
    wb = openpyxl.Workbook()
    ws = wb.active  # type: ignore[assignment]
    rows = [
        AuditRow(
            room_name="Hall",
            room_width_m=2.0,
            room_length_m=3.0,
            room_area_m2=6.0,
            door_location="Hall",
            door_width_mm=762.0,
        ),
    ]

    # Act
    _write_data_rows(ws, rows)

    # Assert — door columns at V–Y (22–25), not old positions 28–31
    # data starts at row 3 (after 2 header rows)
    assert ws.cell(row=3, column=22).value == "Hall"
    assert ws.cell(row=3, column=23).value == 762.0
    assert ws.cell(row=3, column=28).value is None
    assert ws.cell(row=3, column=29).value is None


def test_write_headers_blank_separator_columns_have_no_fill() -> None:
    # Arrange
    wb = openpyxl.Workbook()
    ws = wb.active  # type: ignore[assignment]

    # Act
    _write_headers(ws)

    # Assert — cols 5 (E) and 21 (U) have no fill in either header row
    for col in (5, 21):
        for row in (1, 2):
            fill = ws.cell(row=row, column=col).fill
            assert fill.patternType is None, f"col {col} row {row} should have no fill"