from datetime import datetime

from sqlalchemy import or_

from app.models import KnowledgeModel, GroupModel, DialogModel, ConversationModel, group_dialog_table, LabelWorkerModel, \
    LabelModel
from app.models.user_model import UserModel
from Log import logger


async def get_dialog_list(db, user_id, keyword, label, status, page_size, page_index):
    user = db.query(UserModel).filter(UserModel.id == user_id).first()
    if user is None:
        return {"rows": []}
    query = db.query(DialogModel)
    id_list = []
    if label:
        id_list = [i.object_id for i in db.query(LabelWorkerModel).filter(LabelWorkerModel.label_id==label).all()]
    if user.permission != "admin":
        dia_list = [j.id for i in user.groups for j in i.dialogs if not label or j.id in id_list]
        query = query.filter(or_(DialogModel.tenant_id == user_id, DialogModel.id.in_(dia_list)))
    else:
        if label:
            query = query.filter(or_(DialogModel.id.in_(id_list)))

    if keyword:
        query = query.filter(DialogModel.name.like('%{}%'.format(keyword)))

    if status:
        # print(status)
        query = query.filter(DialogModel.status == status)
    query = query.order_by(DialogModel.update_date.desc())
    total = query.count()
    if page_size:
        query = query.limit(page_size).offset((page_index - 1) * page_size)

    rows = []
    user_id_set = set()
    dialog_id_set = set()
    label_dict = {}
    for kld in query.all():
        user_id_set.add(kld.tenant_id)
        dialog_id_set.add(kld.id)
        rows.append(kld.to_json())
    user_dict = {str(i.id): i.to_dict() for i in db.query(UserModel).filter(UserModel.id.in_(user_id_set)).all()}
    for i in db.query(LabelModel.id, LabelModel.name, LabelWorkerModel.object_id).outerjoin(LabelWorkerModel,
                                                                LabelModel.id == LabelWorkerModel.label_id).filter(
            LabelWorkerModel.object_id.in_(dialog_id_set)).all():

        label_dict[i.object_id] = label_dict.get(i.object_id, []) +[{"labelId": i.id, "labelName": i.name}]
    for r in rows:
        r["user"] = user_dict.get(r["user_id"], {})
        r["label"] = label_dict.get(r["id"], [])
    return {"total":  total, "rows": rows}


async def update_session_history(db, data: dict, user_id):
    session_id = data.get("id")
    if not session_id:
        logger.error("更新回话记录失败！{}".format(data))
        return
    data["create_date"] = datetime.strptime(data["create_date"], '%a, %d %b %Y %H:%M:%S %Z')
    data["update_date"] = datetime.strptime(data["update_date"], '%a, %d %b %Y %H:%M:%S %Z')
    conversation = db.query(ConversationModel).filter(ConversationModel.id == session_id).first()
    if not conversation:
        try:
            data["tenant_id"] = user_id
            conversation_model = ConversationModel(**data)
            db.add(conversation_model)
            db.commit()
        except Exception as e:
            logger.error(e)
            db.rollback()
    else:
        try:
            # data["tenant_id"] = user_id
            del data["id"]
            db.query(ConversationModel).filter(ConversationModel.id == session_id).update(data)
            db.commit()
        except Exception as e:
            logger.error(e)
            db.rollback()


async def get_session_history(db, user_id, dialog_id):
    session_list = db.query(ConversationModel).filter(ConversationModel.tenant_id.__eq__(user_id),
                                                      ConversationModel.dialog_id.__eq__(dialog_id)).order_by(
        ConversationModel.update_time.desc()).all()
    return [i.to_json() for i in session_list]



async def create_dialog_service(db, dialog_id, dialog_name, description, icon, dialog_type, mode, user_id):
    try:
        dialog_model = DialogModel(id=dialog_id,name=dialog_name, description=description,icon=icon, dialog_type=dialog_type, tenant_id=user_id, mode=mode,update_date=datetime.now(),create_date=datetime.now())
        db.add(dialog_model)
        db.commit()
        db.refresh(dialog_model)
    except Exception as e:
        logger.error(e)
        db.rollback()
        return False
    return True


async def update_dialog_status_service(db, dialog_id, status):
    try:
        db.query(DialogModel).filter_by(id=dialog_id).update({"status":status, "update_date": datetime.now()})
        db.commit()
    except Exception as e:
        logger.error(e)
        db.rollback()
        return False
    return True