import re
from dataclasses import dataclass
from typing import Any, Optional


def _camel_to_snake(name: str) -> str:
    return re.sub(r"(?<!^)(?=[A-Z])", "_", name).lower()


def parse_displayable_fields(fields: list[dict[str, Any]]) -> dict[str, str]:
    result: dict[str, str] = {}
    for f in fields:
        if f.get("type_as_string") == "sectionTitle":
            continue
        v: dict[str, Any] = f.get("value") or {}
        if not v.get("has_value"):
            continue
        result[_camel_to_snake(str(f["id"]))] = str(v["value"])
    return result


# ---------------------------------------------------------------------------
# XML dataclasses  (sourced from MagicPlan Exchange XML format)
# ---------------------------------------------------------------------------


@dataclass
class MagicPlanXMLRoomPoint:
    snapped_x: float
    snapped_y: float
    height: float
    uid: str
    values: dict[str, str]


@dataclass
class MagicPlanXMLWallPoint:
    """Point in <exploded><wall> — absolute coords, no uid or values."""

    x: float
    y: float
    height: float


@dataclass
class MagicPlanXMLDoor:
    """Door in <floorRoom> context — wall-relative position."""

    wall_point_index: int
    type: str
    u: float
    width: float
    depth: float
    height: float
    orientation: int
    snapped_type: str
    snapped_position: float
    snapped_width: float
    snapped_depth: float
    snapped_height: float
    snapped_orientation: int
    inset_x: float
    inset_y: float
    inset_z: float
    symbol_instance: str
    twin_wall_item_uid: Optional[str] = None


@dataclass
class MagicPlanXMLWindow:
    """Window in <floorRoom> context — wall-relative position."""

    wall_point_index: int
    type: str
    u: float
    width: float
    depth: float
    height: float
    orientation: int
    snapped_type: str
    snapped_position: float
    snapped_width: float
    snapped_depth: float
    snapped_height: float
    snapped_orientation: int
    inset_x: float
    inset_y: float
    inset_z: float
    symbol_instance: str


@dataclass
class MagicPlanXMLExplodedOpening:
    """Door or window in <exploded> context — absolute coords, no snapped* fields."""

    type: str
    x1: float
    y1: float
    x2: float
    y2: float
    width: float
    depth: float
    height: float
    inset_x: float
    inset_y: float
    orientation: int
    symbol_instance: str


@dataclass
class MagicPlanXMLFurniture:
    type: str
    x: float
    y: float
    snapped_x: float
    snapped_y: float
    angle: float
    width: float
    depth: float
    height: float
    snapped_width: float
    snapped_depth: float
    snapped_height: float
    size_lock_0: str
    size_lock_1: str
    size_lock_2: str
    symbol_instance: str


@dataclass
class MagicPlanXMLMainDimension:
    from_point: int
    to_point: int
    dir_x: float
    dir_y: float
    value: float
    actual_value: float
    is_set: bool


@dataclass
class MagicPlanXMLExplodedWall:
    wall_type: str
    points: list[MagicPlanXMLWallPoint]


@dataclass
class MagicPlanXMLExploded:
    walls: list[MagicPlanXMLExplodedWall]
    doors: list[MagicPlanXMLExplodedOpening]
    windows: list[MagicPlanXMLExplodedOpening]
    furniture: list[MagicPlanXMLFurniture]


@dataclass
class MagicPlanXMLSymbolInstance:
    id: str
    uid: str
    parent_uid: str
    symbol: str
    values: dict[str, str]


@dataclass
class MagicPlanXMLRoom:
    uid: str
    type: str
    x: float
    y: float
    rotation: float
    was_modified: bool
    linked_room_0: str
    linked_room_1: str
    area: float
    perimeter: float
    values: dict[str, str]
    points: list[MagicPlanXMLRoomPoint]
    doors: list[MagicPlanXMLDoor]
    windows: list[MagicPlanXMLWindow]
    furniture: list[MagicPlanXMLFurniture]
    main_dimensions: list[MagicPlanXMLMainDimension]


@dataclass
class MagicPlanXMLFloor:
    uid: str
    name: str
    floor_type: str
    rotation: float
    compass_angle: float
    area_without_walls: float
    area_with_interior_walls_only: float
    area_with_walls: float
    symbol_instance: MagicPlanXMLSymbolInstance
    rooms: list[MagicPlanXMLRoom]
    furniture: list[MagicPlanXMLFurniture]
    exploded: MagicPlanXMLExploded


@dataclass
class MagicPlanXMLSummary:
    """Plan metadata returned by the list-plans API endpoint (old string-address format)."""

    id: str
    project_id: str
    name: str
    address: str
    creation_date: str
    update_date: str
    workgroup_id: str
    team_id: str
    created_by: str
    thumbnail_url: str
    public_url: str
    cloud_url: str
    url_3d: str


@dataclass
class MagicPlanXMLDetail:
    """Full plan response: summary metadata + parsed XML plan."""

    summary: MagicPlanXMLSummary
    plan_xml: "MagicPlanXMLPlan"


@dataclass
class MagicPlanXMLPlan:
    id: str
    uid: str
    name: str
    type: str
    interior_wall_width: float
    exterior_wall_width: float
    schematic: bool
    has_land_survey_address: bool
    last_patch_identifier: str
    last_roll_identifier: str
    values: dict[str, str]
    floors: list[MagicPlanXMLFloor]
    interior_room_floors: list[MagicPlanXMLFloor]


# ---------------------------------------------------------------------------
# JSON dataclasses  (sourced from GET Plan API JSON response)
# ---------------------------------------------------------------------------


@dataclass
class MagicPlanWall:
    uid: str
    symbol_id: str
    length: float
    fields: dict[str, str]
    custom_fields: dict[str, str]


@dataclass
class MagicPlanWallItem:
    """Door or window — distinguished by symbol_id."""

    uid: str
    symbol_id: str
    symbol_name: str
    width: float
    depth: float
    height: float
    pos_x: float
    pos_y: float
    pos_z: float
    rotation_z: float
    fields: dict[str, str]
    custom_fields: dict[str, str]


@dataclass
class MagicPlanFurniture:
    uid: str
    symbol_id: str
    symbol_name: str
    width: float
    depth: float
    height: float
    pos_x: float
    pos_y: float
    pos_z: float
    rotation_z: float
    fields: dict[str, str]
    custom_fields: dict[str, str]


@dataclass
class MagicPlanRoom:
    uid: str
    name: str
    area: float
    perimeter: float
    height: float
    width: float
    volume: float
    dimensions: str
    door_count: int
    window_count: int
    walls_surface: float
    walls_surface_without_openings: float
    doors_surface: float
    windows_surface: float
    wall_items: list[MagicPlanWallItem]
    furnitures: list[MagicPlanFurniture]
    walls: list[MagicPlanWall]
    fields: dict[str, str]
    custom_fields: dict[str, str]


@dataclass
class MagicPlanFloor:
    uid: str
    name: str
    floor_type: str
    area: float
    perimeter: float
    area_without_walls: float
    area_with_interior_walls_only: float
    area_with_walls: float
    wall_count: int
    wall_count_with_interior_walls: int
    door_count: int
    window_count: int
    room_count: int
    furniture_count: int
    doors_surface: float
    walls_surface: float
    walls_surface_without_openings: float
    windows_surface: float
    volume: float
    rooms: list[MagicPlanRoom]
    furnitures: list[MagicPlanFurniture]
    symbol_instances: list[MagicPlanFurniture]
    fields: dict[str, str]
    custom_fields: dict[str, str]


@dataclass
class MagicPlanPlan:
    """GET /plans/{id} — merged data.plan + data.plan_detail.plan."""

    id: str
    project_id: str
    uid: str
    name: str
    area: float
    perimeter: float
    area_without_walls: float
    area_with_interior_walls_only: float
    area_with_walls: float
    wall_count: int
    door_count: int
    window_count: int
    room_count: int
    furniture_count: int
    floor_count: int
    doors_surface: float
    walls_surface: float
    walls_surface_without_openings: float
    windows_surface: float
    volume: float
    living_area: float
    below_grade_living_area: float
    above_grade_living_area: float
    address_street: Optional[str]
    address_postal_code: Optional[str]
    address_city: Optional[str]
    address_country: Optional[str]
    address_longitude: Optional[float]
    address_latitude: Optional[float]
    creation_date: str
    update_date: str
    workgroup_id: str
    team_id: str
    created_by_id: str
    created_by_firstname: Optional[str]
    created_by_lastname: Optional[str]
    created_by_email: str
    thumbnail_url: str
    public_url: str
    cloud_url: str
    url_3d: str
    floors: list[MagicPlanFloor]
    fields: dict[str, str]
    custom_fields: dict[str, str]


@dataclass
class MagicPlanSummary:
    """GET /plans list — lightweight, flat address and creator fields."""

    id: str
    project_id: str
    name: str
    address_street: Optional[str]
    address_postal_code: Optional[str]
    address_city: Optional[str]
    address_country: Optional[str]
    address_longitude: Optional[float]
    address_latitude: Optional[float]
    creation_date: str
    update_date: str
    workgroup_id: str
    team_id: str
    created_by_id: str
    created_by_firstname: Optional[str]
    created_by_lastname: Optional[str]
    created_by_email: str
    thumbnail_url: str
    public_url: str
    cloud_url: str
    url_3d: str