from pydantic import BaseModel, Field


class Chunk(BaseModel):
    id: str
    repo_id: str
    path: str
    language: str
    symbol: str = "file"
    kind: str = "text"
    start_line: int = 1
    end_line: int = 1
    content: str


class Source(BaseModel):
    path: str
    start_line: int
    end_line: int
    symbol: str
    kind: str
    score: float = 0.0


class QueryRequest(BaseModel):
    question: str = Field(min_length=2)
    top_k: int = 8


class QueryResponse(BaseModel):
    answer: str
    sources: list[Source]
    retrieved_chunks: list[Chunk] = []


class RepoSummary(BaseModel):
    repo_id: str
    name: str
    files_indexed: int
    chunks_indexed: int
    languages: dict[str, int]
    architecture: dict[str, list[str] | str]