from pydantic import BaseModel, Field, EmailStr, field_validator


# ----------------------------------------------------------------------
# User
# ----------------------------------------------------------------------
class UserCreate(BaseModel):
    username: str = Field(..., min_length=3, max_length=30)
    email: EmailStr
    password: str = Field(..., min_length=8)

    @field_validator("username")
    def all_allowed_chars(cls, v):
        for v_char in v:
            if not v_char in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_":
                raise ValueError("username can only contain a-z, A-Z, 0-9 and _")
        return v
    

class UserRead(BaseModel):
    id: int
    username: str
    email: EmailStr
    stats: str

    class Config:
        from_attributes = True