"""Public request/response models for `/v1/domains` (ADR-0008, ADR-0009).

`tenant_id` appears in none of these: it comes from the authenticated key, and
accepting it from a body would break the isolation boundary (ADR-0002).
"""

import uuid
from datetime import datetime

from pydantic import BaseModel, Field, field_validator

from src.application.domains.models import DomainResult

# Lowercase alphanumerics plus - and _; the key is embedded in every Qdrant
# payload and filtered on as a keyword, so it stays boring on purpose.
_DOMAIN_PATTERN = r"^[a-z0-9][a-z0-9_-]*$"


class DomainResponse(BaseModel):
    id: uuid.UUID
    domain: str
    display_name: str
    status: str
    metadata: dict[str, object]
    created_at: datetime
    updated_at: datetime

    @classmethod
    def from_result(cls, result: DomainResult) -> "DomainResponse":
        return cls(
            id=result.id,
            domain=result.domain,
            display_name=result.display_name,
            status=result.status,
            metadata=result.metadata,
            created_at=result.created_at,
            updated_at=result.updated_at,
        )


class DomainListResponse(BaseModel):
    domains: list[DomainResponse]


class CreateDomainRequest(BaseModel):
    domain: str = Field(min_length=1, max_length=80, pattern=_DOMAIN_PATTERN)
    display_name: str = Field(min_length=1, max_length=200)
    metadata: dict[str, object] = Field(default_factory=dict)

    @field_validator("domain")
    @classmethod
    def _normalize(cls, value: str) -> str:
        return value.strip()


class UpdateDomainRequest(BaseModel):
    """`domain` is absent by design — the key is immutable.

    It is denormalized into every point payload and into `source_files`, so
    renaming it is a migration rather than an edit (ADR-0009).
    """

    display_name: str = Field(min_length=1, max_length=200)