"""Agent schemas for API validation."""

import uuid
from datetime import datetime
from typing import Any

from pydantic import BaseModel, ConfigDict, Field


class AgentRegisterRequest(BaseModel):
    """Schema for agent registration request."""

    hostname: str = Field(..., min_length=1, max_length=255)
    version: str = Field(..., min_length=1, max_length=50)
    metadata: dict[str, Any] | None = None


class AgentRegisterResponse(BaseModel):
    """Schema for agent registration response."""

    agent_id: uuid.UUID
    token: str


class AgentHeartbeatResponse(BaseModel):
    """Schema for agent heartbeat response."""

    status: str = "ok"


class AgentResponse(BaseModel):
    """Schema for agent response."""

    model_config = ConfigDict(from_attributes=True)

    id: uuid.UUID
    tenant_id: uuid.UUID | None
    name: str
    version: str
    status: str
    last_heartbeat: datetime | None
    created_at: datetime
    updated_at: datetime