"""Pydantic schemas for auth endpoints."""

from pydantic import BaseModel, EmailStr, Field, field_validator


class RegisterRequest(BaseModel):
    email: EmailStr
    password: str = Field(min_length=8)
    display_name: str = Field(min_length=1, max_length=100)
    # Optional: lets a partner register straight from an invite link instead
    # of first creating a throwaway solo workspace. When present, `register`
    # joins the inviting workspace directly (claiming a placeholder member
    # if one exists) instead of creating a new one.
    invite_token: str | None = None

    @field_validator("email")
    @classmethod
    def normalize_email(cls, v: str) -> str:
        """Lowercase at the API boundary — storage/lookup is case-sensitive
        (`WHERE email = ?`), so Foo@x.se and foo@x.se must resolve to one
        account rather than silently becoming two."""
        return v.lower()


class LoginRequest(BaseModel):
    email: EmailStr
    password: str

    @field_validator("email")
    @classmethod
    def normalize_email(cls, v: str) -> str:
        """Lowercase at the API boundary — see `RegisterRequest.normalize_email`."""
        return v.lower()


class TokenResponse(BaseModel):
    access_token: str
    token_type: str = "bearer"
    expires_in: int  # seconds until expiry


class UserMeResponse(BaseModel):
    id: str
    email: str
    display_name: str
    workspace_id: str | None