from __future__ import annotations

import json
from typing import Any, Optional

from fastapi import APIRouter, Depends, HTTPException, Query
from pydantic import BaseModel, Field
from sqlalchemy import and_, delete, func, select, update
from sqlalchemy.exc import IntegrityError
from sqlalchemy.ext.asyncio import AsyncSession

from ...core.database import get_db
from ...dependencies import get_current_user, get_tenant_id, require_roles
from ...models import (
    AIOrchestrationRun,
    AIWorkerExecution,
    Budget,
    ConversationSession,
    CostTracking,
    Experiment,
    OperationExecutionLedger,
    OperationLog,
    Project,
    ProjectSignalLink,
    Signal,
    SignalSourceRegistry,
    Task,
    User,
    UserProject,
    WorkItem,
)
from ...services.ai_pmo.ai_pmo_kernel import AIPMOKernelService
from ...services.context_cache_service import context_cache_service
from ...services.operation_log_service import log_operation
from ...services.project_member import (
    ProjectMemberAssignmentError,
    notify_member_assignment_failure,
    replace_project_members,
    resolve_project_member_ids,
)
from ...utils.sequence import ensure_project_id_sequence
from ...utils.title import compact_title

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

DONE_STATUSES = {"done", "completed", "closed", "resolved", "archived"}