from __future__ import annotations

import re

from pydantic import BaseModel, ConfigDict, field_validator


_EMAIL_RE = re.compile(r"^[^@\s]+@[^@\s]+\.[^@\s]+$")


class ContactLeadIn(BaseModel):
    name: str
    email: str
    phone: str | None = None
    message: str

    @field_validator("name")
    @classmethod
    def validate_name(cls, v: str) -> str:
        v = v.strip()
        if len(v) < 2:
            raise ValueError("Nome deve ter pelo menos 2 caracteres.")
        if len(v) > 150:
            raise ValueError("Nome deve ter no máximo 150 caracteres.")
        return v

    @field_validator("email")
    @classmethod
    def validate_email(cls, v: str) -> str:
        v = v.strip().lower()
        if not _EMAIL_RE.match(v):
            raise ValueError("E-mail inválido.")
        if len(v) > 254:
            raise ValueError("E-mail deve ter no máximo 254 caracteres.")
        return v

    @field_validator("phone")
    @classmethod
    def validate_phone(cls, v: str | None) -> str | None:
        if v is None:
            return v
        v = v.strip()
        if not v:
            return None
        if len(v) > 20:
            raise ValueError("Telefone deve ter no máximo 20 caracteres.")
        return v

    @field_validator("message")
    @classmethod
    def validate_message(cls, v: str) -> str:
        v = v.strip()
        if len(v) < 10:
            raise ValueError("Mensagem deve ter pelo menos 10 caracteres.")
        if len(v) > 2000:
            raise ValueError("Mensagem deve ter no máximo 2000 caracteres.")
        return v


class ContactLeadCreatedOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: int
    message: str