from pydantic import BaseModel, Field


# ============================================= Entity + Relations extraction

class ExtractEntitiesRequest(BaseModel):
    content: str


class ExtractEntitiesResponse(BaseModel):
    entities: list[str] = Field(..., description="A list of entities")


class ExtractedRelation(BaseModel):
    start: str = Field(..., description="The first entity in the relationship")
    to: str = Field(..., description="The second entity of the relationship")
    tag: str = Field(..., description="A tag describing the relationship", examples=[
                     "related_to", "born_in", "made", "created"])
    description: str = Field(...,
                             description="A detailled description of the relationship")


class ExtractedRelationsResponse(BaseModel):
    relations: list[ExtractedRelation]


# ========================================================  Create search plan ==================

class CreateSearchPlanRequest(BaseModel):
    query: str


class CreateSearchPlanResponse(BaseModel):
    sub_queries: list[str] = Field(...,
                                   description="A list of subqueries formulated as questions")


# ======================================================= Determine intent =========================

class Intent(BaseModel):
    target_entity: str = Field(
        ..., description="One of the entities required to fulfil the user intent")
    target_relations: list[str] = Field(
        ..., description="A list of one or multiple types of relations required to fulfil the user intent")


class ExtractedIntentReponse(BaseModel):
    intents: list[Intent]