from pydantic import BaseModel, Field


class NLPAnalyzeRequest(BaseModel):
    text: str = Field(..., min_length=1, description="Vietnamese property description text")
    include_moderation: bool = Field(
        True, description="Whether to include moderation quality score"
    )


class PropertyTag(BaseModel):
    category: str = Field(..., description="Tag category: amenity, location, condition, legal")
    tag: str = Field(..., description="Normalized tag name")
    matched_text: str = Field(..., description="Original text that matched")
    confidence: float = Field(..., ge=0, le=1, description="Match confidence")


class QualityScore(BaseModel):
    overall: float = Field(..., ge=0, le=1, description="Overall content quality 0-1")
    completeness: float = Field(
        ..., ge=0, le=1, description="How complete the listing info is"
    )
    readability: float = Field(..., ge=0, le=1, description="Text readability score")
    information_density: float = Field(
        ..., ge=0, le=1, description="Ratio of useful info to total text"
    )
    moderation_score: float | None = Field(
        None, ge=0, le=1, description="Moderation risk score (0=safe, 1=risky)"
    )


class NLPAnalyzeResponse(BaseModel):
    tags: list[PropertyTag] = Field(default_factory=list)
    quality: QualityScore
    tokens: list[str] = Field(default_factory=list, description="Word-segmented tokens")
    sentences: list[str] = Field(default_factory=list, description="Sentence-split results")
    keyword_phrases: list[str] = Field(
        default_factory=list, description="Key noun phrases extracted"
    )


class BatchAnalyzeRequest(BaseModel):
    texts: list[str] = Field(..., min_length=1, max_length=50, description="Batch of texts")
    include_moderation: bool = Field(True)


class BatchAnalyzeResponse(BaseModel):
    results: list[NLPAnalyzeResponse]