"""辰正时态 API（设计 §10）。

挂载于 /api/v1/time。事件不走 REST（走 EventStore 订阅）。路由薄层：参数校验 → 调
service → 转响应；session 由 service 自管（deps.py 惯例）。
"""

from fastapi import APIRouter, Depends, Request

from app.api.v1.deps import get_current_user, get_event_store
from app.core.config import settings
from app.schemas.auth import CurrentUser
from app.schemas.time import (
    AcquaintanceResponse,
    AnniversaryCreateRequest,
    AnniversaryResponse,
    AnniversaryUpdateRequest,
    SnapshotResponse,
    TimeConfigResponse,
)
from app.services.time_sense import (
    create_anniversary_for_active,
    delete_anniversary_or_404,
    get_acquaintance_for_active,
    get_anniversary_or_404,
    get_live_snapshot,
    list_anniversaries_for_active,
    update_anniversary_or_404,
)

router = APIRouter(prefix="/time", tags=["time"])


@router.get("/snapshot", response_model=SnapshotResponse)
async def get_snapshot(
    request: Request, current_user: CurrentUser = Depends(get_current_user)
) -> SnapshotResponse:
    """当前 TemporalSnapshot + ModulationFactors + context_text。"""
    result = await get_live_snapshot(get_event_store(request), owner_scope=current_user.owner_scope)
    return SnapshotResponse(
        snapshot=result.snapshot,
        factors=result.factors,
        context_text=result.context_text,
    )


@router.get("/anniversaries", response_model=list[AnniversaryResponse])
async def list_anniversaries_api(
    current_user: CurrentUser = Depends(get_current_user),
) -> list[AnniversaryResponse]:
    items = await list_anniversaries_for_active(owner_scope=current_user.owner_scope)
    return [AnniversaryResponse.model_validate(a) for a in items]


@router.post("/anniversaries", response_model=AnniversaryResponse, status_code=201)
async def create_anniversary_api(
    payload: AnniversaryCreateRequest, current_user: CurrentUser = Depends(get_current_user)
) -> AnniversaryResponse:
    created = await create_anniversary_for_active(payload, owner_scope=current_user.owner_scope)
    return AnniversaryResponse.model_validate(created)


@router.get("/anniversaries/{anniv_id}", response_model=AnniversaryResponse)
async def get_anniversary_api(
    anniv_id: str, current_user: CurrentUser = Depends(get_current_user)
) -> AnniversaryResponse:
    return AnniversaryResponse.model_validate(
        await get_anniversary_or_404(anniv_id, owner_scope=current_user.owner_scope)
    )


@router.patch("/anniversaries/{anniv_id}", response_model=AnniversaryResponse)
async def update_anniversary_api(
    anniv_id: str,
    payload: AnniversaryUpdateRequest,
    current_user: CurrentUser = Depends(get_current_user),
) -> AnniversaryResponse:
    return AnniversaryResponse.model_validate(
        await update_anniversary_or_404(anniv_id, payload, owner_scope=current_user.owner_scope)
    )


@router.delete("/anniversaries/{anniv_id}", status_code=204)
async def delete_anniversary_api(
    anniv_id: str, current_user: CurrentUser = Depends(get_current_user)
) -> None:
    await delete_anniversary_or_404(anniv_id, owner_scope=current_user.owner_scope)


@router.get("/acquaintance", response_model=AcquaintanceResponse)
async def get_acquaintance_api(
    request: Request, current_user: CurrentUser = Depends(get_current_user)
) -> AcquaintanceResponse:
    acq = await get_acquaintance_for_active(
        get_event_store(request), owner_scope=current_user.owner_scope
    )
    return AcquaintanceResponse(total_days=acq.total_days, natural_language=acq.natural_language)


@router.get("/config", response_model=TimeConfigResponse)
async def get_time_config_api(
    current_user: CurrentUser = Depends(get_current_user),  # noqa: ARG001
) -> TimeConfigResponse:
    return TimeConfigResponse(
        user_timezone=settings.user_timezone,
        home_timezone=settings.home_timezone,
        default_city=settings.default_city,
        offline_active_minutes=settings.offline_active_minutes,
        offline_short_absence_minutes=settings.offline_short_absence_minutes,
        offline_long_absence_minutes=settings.offline_long_absence_minutes,
        offline_reunion_impact_minutes=settings.offline_reunion_impact_minutes,
        care_enabled=settings.care_enabled,
        jetlag_threshold_minutes=settings.jetlag_threshold_minutes,
    )