from sqlalchemy.testing.pickleable import Order

from app.config.config import settings
from app.models.group_model import GroupInfoModel, UserGroupModel
from app.models.user_model import UserModel
from app.service.ragflow import RagflowService
from app.service.token import get_ragflow_token


async def group_list(db, page_size: int, page_index: int, keyword: str):
    query = db.query(GroupInfoModel)
    if keyword:
        query = query.filter(GroupInfoModel.group_name.like('%{}%'.format(keyword)))
    items = query.order_by(GroupInfoModel.group_id.desc()).limit(page_size).offset(
        (page_index - 1) * page_size).all()
    items_list = [item.to_dict() for item in items]
    groups = [i["id"] for i in items_list]
    group_dict = {}
    for group_user in db.query(UserGroupModel.group_id, UserModel.id, UserModel.username).outerjoin(UserModel,
                                                                                                    UserModel.id == UserGroupModel.user_id).filter(
        UserGroupModel.group_id.in_(groups)).all():
        if group_user.group_id in group_dict:
            group_dict[group_user.group_id].append({"user_id": group_user.id, "user_name": group_user.username})
        else:
            group_dict[group_user.group_id] = [{"user_id": group_user.id, "user_name": group_user.username}]
    for item in items_list:
        item["users"] = group_dict.get(item["id"], [])
    return {"total": query.count(), "items": items_list}


async def create_group(db, group_name: str, group_description: str):
    try:
        group_model = GroupInfoModel(group_name=group_name, group_description=group_description)
        db.add(group_model)
        db.commit()
        db.refresh(group_model)
    except Exception as e:
        print(e)
        db.rollback()
        return False
    return True


async def edit_group_data(db, group_id: int, data):
    try:
        db.query(GroupInfoModel).filter(GroupInfoModel.group_id == group_id).update(data)
        db.commit()
    except Exception as e:
        print(e)
        db.rollback()
        return False
    return True


async def delete_group_data(db, group_id: int):
    try:
        db.query(GroupInfoModel).filter(GroupInfoModel.group_id == group_id).delete()
        db.commit()
    except Exception as e:
        print(e)
        db.rollback()
        return False
    return True


async def get_group_users(db, group_id):
    not_group_user = []
    in_group_user = []
    user_list = [i.user_id for i in
                 db.query(UserGroupModel.user_id).filter(UserGroupModel.group_id.__eq__(group_id)).all()]
    for u in db.query(UserModel.id, UserModel.username).order_by(UserModel.id.desc()).all():
        if u.id in user_list:
            in_group_user.append({"user_id": u.id, "user_name": u.username})
        else:
            not_group_user.append({"user_id": u.id, "user_name": u.username})
    return {"in_group": in_group_user, "not_in_group": not_group_user}


async def save_user_to_group(db, user_id, group_id, user_list):
    group_user_list = [i.user_id for i in
                       db.query(UserGroupModel.user_id).filter(UserGroupModel.group_id.__eq__(group_id)).all()]
    new_users = set([i for i in user_list if i not in group_user_list])
    delete_user = [i for i in group_user_list if i not in user_list]
    if new_users:

        user_dict = {i.id: {"rg_id": i.ragflow_id, "email": i.email} for i in
                     db.query(UserModel.id, UserModel.email, UserModel.ragflow_id).filter(
                         UserModel.id.in_(user_list)).all()}
        ragflow_service = RagflowService(settings.fwr_base_url)
        token = get_ragflow_token(db, user_id)

        try:
            for old_user in group_user_list:
                if old_user in delete_user:
                    continue
                for new_user in new_users:
                    await ragflow_service.add_user_tenant(token, user_dict[old_user]["rg_id"], user_dict[new_user]["email"],
                                                          user_dict[new_user]["rg_id"])
                    await ragflow_service.add_user_tenant(token, user_dict[new_user]["rg_id"], user_dict[old_user]["email"],
                                                  user_dict[old_user]["rg_id"])
            for user1 in new_users:
                for user2 in new_users:
                    if user1 != user2:
                        await ragflow_service.add_user_tenant(token, user_dict[user1]["rg_id"],
                                                              user_dict[user2]["email"],
                                                              user_dict[user2]["rg_id"])
        except Exception as e:
            print(e)
            return False
    try:
        for user in new_users:
            db_user = UserGroupModel(group_id=group_id, user_id=user)
            db.add(db_user)
        db.query(UserGroupModel).filter(UserGroupModel.group_id.__eq__(group_id), UserGroupModel.user_id.in_(delete_user)).delete()
        db.commit()
    except Exception as e:
        print(e)
        return False
    return True