"""Pydantic request/response models for the CAD review API."""
from __future__ import annotations

from pydantic import BaseModel, Field


# --- Request models ---

class DistanceRequest(BaseModel):
    """Request to measure distance between two parts."""
    part_a_id: str
    part_b_id: str


# --- Response models ---

class UploadResponse(BaseModel):
    job_id: str
    status: str
    exterior_filename: str
    interior_filename: str


class SampleFileResponse(BaseModel):
    filename: str
    size: int


class SamplePairResponse(BaseModel):
    id: str
    name: str
    exterior: SampleFileResponse
    interior: SampleFileResponse


class StepProgress(BaseModel):
    step: str
    status: str  # pending, running, completed
    progress_pct: int = 0


class JobStatus(BaseModel):
    job_id: str
    status: str  # pending, running, completed, failed
    steps: list[StepProgress] = []
    error: str | None = None

# Rebuild to resolve forward reference
JobStatus.model_rebuild()


class AssemblyNodeResponse(BaseModel):
    id: str
    name: str
    is_assembly: bool
    is_leaf: bool
    classification: str = "unknown"
    num_faces: int = 0
    num_solids: int = 0
    bounding_box: dict | None = None
    children: list[AssemblyNodeResponse] = []

AssemblyNodeResponse.model_rebuild()


class GroupInfoResponse(BaseModel):
    name: str  # "exterior" or "interior"
    part_count: int
    part_ids: list[str]
    part_names: list[str]


class AssemblyTreeResponse(BaseModel):
    root: AssemblyNodeResponse
    groups: list[GroupInfoResponse] = []


class ProximityPairResponse(BaseModel):
    part_a_id: str
    part_a_name: str
    part_b_id: str
    part_b_name: str
    min_distance_mm: float
    point_a: list[float]
    point_b: list[float]
    status: str  # collision, near, ok


class ProximityResponse(BaseModel):
    pairs: list[ProximityPairResponse]
    collision_count: int
    near_count: int


class DistanceMeasurementResponse(BaseModel):
    distance_mm: float
    point_a: list[float]
    point_b: list[float]


class ComplianceResultResponse(BaseModel):
    rule_id: str
    rule_name: str
    passed: bool
    severity: str
    measured_value: float | None = None
    threshold_value: float | None = None
    unit: str = "mm"
    message: str = ""
    affected_parts: list[str] = []


class ComplianceRuleResponse(BaseModel):
    id: str
    name: str
    description: str
    type: str
    severity: str


class ComplianceResponse(BaseModel):
    results: list[ComplianceResultResponse]
    pass_count: int
    fail_count: int


class SSEEvent(BaseModel):
    step: str
    status: str
    progress_pct: int = 0
    overall_status: str | None = None
    error: str | None = None