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"""Request / response models for catalog-related routes."""

from datetime import datetime

from pydantic import BaseModel, Field


class CatalogRebuildRequest(BaseModel):
    user_id: str


class CatalogRebuildResponse(BaseModel):
    user_id: str
    sources_rebuilt: int


class CatalogIndexEntry(BaseModel):
    """One row in the per-user catalog index — used by the refresher to decide
    which sources to rebuild and by the UI to list registered sources.
    """

    source_id: str = Field(..., description="Stable internal source identifier.")
    source_type: str = Field(..., description="schema | tabular | unstructured.")
    name: str = Field(..., description="Display name (DB name or filename).")
    location_ref: str = Field(..., description="URI: dbclient://… or az_blob://…")
    table_count: int = Field(..., description="Number of tables/sheets in this source.")
    updated_at: datetime = Field(..., description="Last time this source was (re)introspected.")