from datetime import datetime

from pydantic import BaseModel, Field


class HostSummary(BaseModel):
    id: int
    hostname: str
    display_name: str | None
    os_family: str
    os_version: str | None = None
    product: str
    product_version: str | None
    ipv4: str | None
    last_seen_at: datetime
    event_count: int | None = None
    last_heartbeat_at: datetime | None = None
    last_daily_report_at: datetime | None = None
    last_inventory_at: datetime | None = None
    agent_status: str = "unknown"
    version_status: str = "unknown"
    pending_agent_update: bool = False

    model_config = {"from_attributes": True}


class HostDetail(HostSummary):
    agent_instance_id: str | None = None
    ipv6: str | None = None
    tags: list | None = None
    use_sac_mode: str | None = None
    inventory: dict | None = None
    inventory_updated_at: datetime | None = None
    created_at: datetime | None = None
    ssh_admin_ok: bool | None = None
    ssh_admin_checked_at: datetime | None = None
    pending_update_requested_at: datetime | None = None
    pending_update_target_version: str | None = None
    agent_config_revision: int = 0
    agent_config: dict | None = None
    agent_update_state: str | None = None
    agent_update_last_at: datetime | None = None
    agent_update_last_error: str | None = None


class HostListResponse(BaseModel):
    items: list[HostSummary]
    total: int
    page: int
    page_size: int
    latest_agent_versions: dict[str, str] = Field(default_factory=dict)
    reference_agent_versions: dict[str, str] = Field(
        default_factory=dict,
        description="Эталон для «устарела»: max(git latest, min, max в fleet)",
    )
    git_latest_rdp_version: str | None = Field(
        None,
        description="Последняя версия rdp-login-monitor из git (version.txt / main)",
    )
    git_latest_ssh_version: str | None = Field(
        None,
        description="Последняя версия ssh-monitor из git (version.txt / main)",
    )


class EventSummary(BaseModel):
    id: int
    event_id: str
    host_id: int
    hostname: str
    display_name: str | None = None
    product_version: str | None = None
    occurred_at: datetime
    received_at: datetime
    category: str
    type: str
    severity: str
    title: str
    summary: str
    actor_user: str | None = None
    rdg_flap: bool = False
    rdg_flap_pair_event_id: int | None = None
    rdg_flap_qwinsta_event_id: int | None = None
    rdg_access_path: str | None = None
    rdg_qwinsta_enabled: bool = False

    model_config = {"from_attributes": True}


class EventDetail(EventSummary):
    details: dict | None = None
    raw: dict | None = None
    dedup_key: str | None = None
    correlation_id: str | None = None
    payload: dict


class EventListResponse(BaseModel):
    items: list[EventSummary]
    total: int
    page: int
    page_size: int