from __future__ import annotations

from datetime import datetime
from typing import Any

from pydantic import BaseModel, ConfigDict, Field


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

    id: str
    resource_type: str
    resource_id: str
    relation_type: str
    created_at: datetime


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

    id: str
    event_type: str
    event_version: int
    idempotency_key: str
    aggregate_type: str
    aggregate_id: str
    correlation_id: str
    causation_id: str | None
    actor_id: str
    actor_type: str
    payload_json: dict[str, Any] = Field(default_factory=dict)
    delivery_status: str
    occurred_at: datetime
    published_at: datetime | None


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

    id: str
    case_no: str
    scene_code: str
    title: str
    owner_employee_id: str | None
    current_stage: str
    status: str
    created_at: datetime
    updated_at: datetime
    links: list[ExpenseCaseLinkRead] = Field(default_factory=list)
    events: list[BusinessEventRead] = Field(default_factory=list)