"""Pydantic schemas for Tag and TagLink endpoints."""

from __future__ import annotations

from datetime import datetime
from typing import Optional

from pydantic import BaseModel, ConfigDict, Field

from app.models.tag_link import TagLinkParentType


class TagCreate(BaseModel):
    """Body for POST /api/v1/tags/."""

    name: str = Field(..., min_length=1, max_length=64)
    color: str = Field(default="#3B82F6", pattern=r"^#[0-9A-Fa-f]{6}$")


class TagOut(BaseModel):
    """Response schema for a tag."""

    model_config = ConfigDict(from_attributes=True)

    id: int
    org_id: int
    name: str
    color: str
    created_at: datetime
    updated_at: datetime
    deleted_at: Optional[datetime] = None


class TagLinkCreate(BaseModel):
    """Body for POST /api/v1/tags/link."""

    tag_id: int = Field(..., ge=1)
    parent_type: TagLinkParentType
    parent_id: int = Field(..., ge=1)


class TagLinkOut(BaseModel):
    """Response schema for a tag link."""

    model_config = ConfigDict(from_attributes=True)

    id: int
    org_id: int
    tag_id: int
    parent_type: TagLinkParentType
    parent_id: int
    created_at: datetime
    updated_at: datetime
    deleted_at: Optional[datetime] = None


__all__ = ["TagCreate", "TagLinkCreate", "TagLinkOut", "TagOut"]