"""Request and response schemas for format conversion endpoints."""

from pydantic import BaseModel, Field, field_validator


class MarkdownToDocxRequest(BaseModel):
    """Request body for markdown to DOCX conversion endpoint."""

    markdown: str = Field(..., description="Markdown content to convert")
    filename: str = Field("texpixel", description="Optional output filename (without extension)")

    @field_validator("markdown")
    @classmethod
    def validate_markdown_not_empty(cls, v: str) -> str:
        """Validate that markdown content is not empty."""
        if not v or not v.strip():
            raise ValueError("Markdown content cannot be empty")
        return v


class LatexToOmmlRequest(BaseModel):
    """Request body for LaTeX to OMML conversion endpoint."""

    latex: str = Field(..., description="Pure LaTeX formula (without $ or $$ delimiters)")

    @field_validator("latex")
    @classmethod
    def validate_latex_not_empty(cls, v: str) -> str:
        """Validate that LaTeX formula is not empty."""
        if not v or not v.strip():
            raise ValueError("LaTeX formula cannot be empty")
        return v


class LatexToOmmlResponse(BaseModel):
    """Response body for LaTeX to OMML conversion endpoint."""

    omml: str = Field("", description="OMML (Office Math Markup Language) representation")