from __future__ import annotations

from .shared import *
from .helpers import _ensure_project_signal_link
from .schemas import SignalSourceListResponse, SignalSourceOnboardRequest, SignalSourceRepairRequest

@router.post("/signal-sources/onboard")
@audited_write(caller="user")
async def onboard_signal_source(
    request: SignalSourceOnboardRequest,
    current_user: User = Depends(require_manager_user),
    db: AsyncSession = Depends(get_db),
    tenant_id: int = Depends(get_tenant_id),
):
    effective_tenant_id = int(getattr(current_user, "tenant_id", tenant_id) or tenant_id)
    signal = Signal(
        tenant_id=effective_tenant_id,
        source="PMFlow",
        content=f"[PMFlow用户#{int(current_user.id)}]: {request.instruction[:1800]}",
        impact_score=0.7,
        priority="medium",
        processed=False,
        strategic_analysis=json.dumps(
            {
                "source": "pmflow_manual_signal_source_onboard",
                "instruction": request.instruction[:2000],
                "created_at": now_cn_aware().isoformat(),
            },
            ensure_ascii=False,
        ),
        tasks_generated=json.dumps([], ensure_ascii=False),
        matched_project_id=int(request.project_id),
        title=(request.instruction[:80] or "新增信号源"),
        signal_type="新需求",
        summary=request.instruction[:300],
        reasoning=json.dumps(["来自 AI Steward 手动信号源接入请求。"], ensure_ascii=False),
        confidence=0.82,
        recommended_action="enter_only",
        status="待处理",
    )
    if not request.dry_run:
        db.add(signal)
        await db.flush()
        await _ensure_project_signal_link(
            db,
            tenant_id=effective_tenant_id,
            project_id=int(request.project_id),
            signal_id=int(signal.id),
        )
        await db.commit()
        await db.refresh(signal)
    signal_id_value = int(signal.id) if not request.dry_run and getattr(signal, "id", None) is not None else None

    service = SignalSourceOrchestrationService(db)
    result = await service.orchestrate_from_signal(
        tenant_id=effective_tenant_id,
        project_id=int(request.project_id),
        signal_id=signal_id_value,
        initiating_text=request.instruction,
        requested_via="pmflow",
        operator_user_id=int(current_user.id),
        dry_run=bool(request.dry_run),
        response_mode=request.response_mode,
    )
    return success_response(
        {
            "signal_id": signal_id_value,
            **result,
        }
    )

@router.get("/orchestration-runs/{trace_id}")
async def get_orchestration_run(
    trace_id: str,
    current_user: User = Depends(require_manager_user),
    db: AsyncSession = Depends(get_db),
    tenant_id: int = Depends(get_tenant_id),
):
    effective_tenant_id = int(getattr(current_user, "tenant_id", tenant_id) or tenant_id)
    row = await AIOrchestrationRunService(db).get_run(
        tenant_id=effective_tenant_id,
        trace_id=str(trace_id or "").strip(),
    )
    if row is None:
        raise HTTPException(status_code=404, detail="orchestration run not found")
    return success_response(AIOrchestrationRunService.serialize_run(row))

@router.get("/projects/{project_id}/signal-sources")
async def list_project_signal_sources(
    project_id: int,
    current_user: User = Depends(require_manager_user),
    db: AsyncSession = Depends(get_db),
    tenant_id: int = Depends(get_tenant_id),
):
    effective_tenant_id = int(getattr(current_user, "tenant_id", tenant_id) or tenant_id)
    items = await SignalSourceOrchestrationService(db).list_project_sources(
        tenant_id=effective_tenant_id,
        project_id=int(project_id),
    )
    return success_response(SignalSourceListResponse(items=items).model_dump())

@router.post("/signal-sources/repair-dirty")
@audited_write(caller="system")
async def repair_dirty_signal_sources(
    request: SignalSourceRepairRequest,
    current_user: User = Depends(require_manager_user),
    db: AsyncSession = Depends(get_db),
    tenant_id: int = Depends(get_tenant_id),
):
    effective_tenant_id = int(getattr(current_user, "tenant_id", tenant_id) or tenant_id)
    try:
        rows = await SignalSourceRepairService(db).repair_registries(
            tenant_id=effective_tenant_id,
            project_id=int(request.project_id),
            registry_ids=[int(item) for item in request.registry_ids],
            sender=str(request.sender or "PMFlow修复器").strip()[:64] or "PMFlow修复器",
        )
    except SignalSourceRepairTimeoutError as exc:
        raise HTTPException(status_code=504, detail=str(exc)) from exc
    except SignalSourceRepairMissingSignalError as exc:
        raise HTTPException(status_code=502, detail=str(exc)) from exc
    return success_response(
        {
            "project_id": int(request.project_id),
            "items": rows,
        }
    )