import type { RefObject, ReactNode } from "react";
import { BotData, ChatState } from "~/types/bot";
import { Message, ConversationStep } from "~/types/chat";
import { ProductCardData, RepliedProduct } from "~/types/product";
import { WidgetType } from "~/utils/session-storage";
import { InstallationSource } from "~/utils/installation-source";

export interface ChatContextType {
  botData: BotData | null;
  isLoadingBot: boolean;
  botError: string | null;
  chatState: ChatState;
  messages: Message[];
  currentStep: ConversationStep;
  isInputDisabled: boolean;
  inputState: "starting" | "generating" | "minimized";
  widgetType: WidgetType;
  installationSource: InstallationSource;
  dynamicWelcomeMessage: string | null;
  isLoadingWelcomeMessage: boolean;
  shouldInjectContext: boolean;
  setShouldInjectContext: (value: boolean) => void;
  initializeBot: (sharingId: string) => Promise<void>;
  sendMessage: (
    {
      message,
      imageUrl,
      apiMessage
    }: {
      message: string;
      imageUrl?: string;
      apiMessage?: string;
    },
    repliedProduct?: ProductCardData
  ) => Promise<void>;
  stopCurrentRequest: () => void;
  setCurrentStep: (step: ConversationStep) => void;
  setInputState: (state: "starting" | "generating" | "minimized") => void;
  addWelcomeMessage: () => void;
  setRepliedProduct: (repliedProduct: RepliedProduct | null) => void;
  setWidgetType: (widgetType: WidgetType) => void;
  messagesEndRef: RefObject<HTMLDivElement | null>;
  setAutoScrollEnabled: (enabled: boolean) => void;
  resetThreadId: () => void;
  startNewConversation: () => void;
}

export type StateSnapshot = {
  botData: BotData | null;
  chatState: ChatState;
  messages: Message[];
  currentStep: ConversationStep;
};

export interface ChatProviderProps {
  children: ReactNode;
  initialWidgetType?: WidgetType;
  installationSource?: InstallationSource;
}