from .models import Room, ChatDetails
import uuid

class DataManage:
    def __init__(self):
        pass
    def DeleteRoom(self, roomid):
        try:
            room = Room.objects.get(RoomID=roomid)
            ChatDetails.objects.filter(RoomID=room.RoomID).delete()
            room.delete()
            return True
        except Room.DoesNotExist:
            return False

    def InsertRoom(self, username,roomname = "New chat"):
        new_room = Room(UserName=username,Name=roomname)
        new_room.save()
        return str(new_room.RoomID)

    def Add_prompt_response(self, roomid, prompt, response):
        try:
            room = Room.objects.get(RoomID=roomid)
            new_chat_detail = ChatDetails(RoomID=room, UserPrompt=prompt, BotResponse=response)
            new_chat_detail.save()
            return True
        except Room.DoesNotExist:
            return False

    def LoadRoomDetail(self, roomid):
        room = Room.objects.get(RoomID=roomid)
        print(room)
        chat_details = ChatDetails.objects.filter(RoomID=room.RoomID).order_by('order')
        print(chat_details)
        mes = []
        for x in chat_details:
            mes.append({'role':"user",'content':x.UserPrompt})
            mes.append({'role':"model",'content':x.BotResponse})
        return {'id':str(room.RoomID), 'user':room.UserName,'messages':mes}
    
    def LoadHistoryRoomForModel(self, roomid):
        room = Room.objects.get(RoomID=roomid)
        print(f"{room.RoomID} đã gọi chi tiết đoạn chat theo pattern context []")
        chat_details = ChatDetails.objects.filter(RoomID=room.RoomID).order_by('order')
        mes = []
        for x in chat_details:
            text = [{"text":str(x.UserPrompt)}]
            mes.append({'role':"user",'parts':text})
            text = [{"text":str(x.BotResponse)}]
            mes.append({'role':"model",'parts':text})
        return mes
    def LoadRooms(self,username):
        #return list of {id,name}
        try:
            rooms = Room.objects.filter(UserName=username)
            room_ids = [{'id':str(room.RoomID),'name':room.Name} for room in rooms]
            room_ids.reverse()
            return room_ids
        except Room.DoesNotExist:
            return []