import { create } from "zustand";
import { persist } from "zustand/middleware";
import { getChatMessages } from "@/pages/pc/ckbox/api";
import { WeChatState } from "./weChat.data";
import { clearUnreadCount, updateConfig } from "@/pages/pc/ckbox/api";
import { ContractData, weChatGroup } from "@/pages/pc/ckbox/data";
import {
  addChatSession,
  updateChatSession,
  useCkChatStore,
} from "@/store/module/ckchat/ckchat";

export const useWeChatStore = create<WeChatState>()(
  persist(
    (set, get) => ({
      // 初始状态
      currentContract: null,
      currentMessages: [],
      messagesLoading: false,

      // Actions
      setCurrentContact: (
        contract: ContractData | weChatGroup,
        isExist?: boolean,
      ) => {
        const state = useWeChatStore.getState();
        // 切换联系人时清空当前消息，等待重新加载
        set({ currentMessages: [] });
        clearUnreadCount([contract.id]).then(() => {
          if (isExist) {
            updateChatSession({ ...contract, unreadCount: 0 });
          } else {
            addChatSession(contract);
          }
          set({ currentContract: contract });
          updateConfig({
            id: contract.id,
            config: { chat: true },
          });
          state.loadChatMessages(contract);
        });
      },

      loadChatMessages: async contact => {
        set({ messagesLoading: true });

        try {
          const params: any = {
            wechatAccountId: contact.wechatAccountId,
            From: 1,
            To: 4704624000000,
            Count: 10,
            olderData: true,
          };

          if ("chatroomId" in contact && contact.chatroomId) {
            params.wechatChatroomId = contact.chatroomId;
          } else {
            params.wechatFriendId = contact.id;
          }

          const messages = await getChatMessages(params);
          set({ currentMessages: messages });
        } catch (error) {
          console.error("获取聊天消息失败:", error);
        } finally {
          set({ messagesLoading: false });
        }
      },

      setMessageLoading: loading => {
        set({ messagesLoading: Boolean(loading) });
      },

      addMessage: message => {
        set(state => ({
          currentMessages: [...state.currentMessages, message],
        }));
      },

      receivedMsg: message => {
        const currentContract = useWeChatStore.getState().currentContract;
        if (
          currentContract &&
          currentContract.wechatAccountId == message.wechatAccountId &&
          currentContract.id == message.wechatFriendId
        ) {
          set(state => ({
            currentMessages: [...state.currentMessages, message],
          }));
        } else {
          //更新消息列表unread数值，根据接收的++1 这样
          const chatSessions = useCkChatStore.getState().chatSessions;
          const session = chatSessions.find(
            item => item.id == message.wechatFriendId,
          );
          if (session) {
            session.unreadCount = Number(session.unreadCount) + 1;
            updateChatSession(session);
          }
        }
      },

      updateMessage: (messageId, updates) => {
        set(state => ({
          currentMessages: state.currentMessages.map(msg =>
            msg.id === messageId ? { ...msg, ...updates } : msg,
          ),
        }));
      },

      // 便捷选择器
      getCurrentContact: () => get().currentContract,
      getCurrentMessages: () => get().currentMessages,
      getMessagesLoading: () => get().messagesLoading,

      // 视频消息处理方法
      setVideoLoading: (messageId: number, isLoading: boolean) => {
        set(state => ({
          currentMessages: state.currentMessages.map(msg => {
            if (msg.id === messageId) {
              try {
                const content = JSON.parse(msg.content);
                // 更新加载状态
                const updatedContent = { ...content, isLoading };
                return {
                  ...msg,
                  content: JSON.stringify(updatedContent),
                };
              } catch (e) {
                console.error("更新视频加载状态失败:", e);
                return msg;
              }
            }
            return msg;
          }),
        }));
      },

      setVideoUrl: (messageId: number, videoUrl: string) => {
        set(state => ({
          currentMessages: state.currentMessages.map(msg => {
            if (msg.id === messageId) {
              try {
                const content = JSON.parse(msg.content);
                // 检查视频是否已经下载完毕，避免重复更新
                if (content.videoUrl && content.videoUrl === videoUrl) {
                  console.log("视频已下载，跳过重复更新:", messageId);
                  return msg;
                }

                // 设置视频URL并清除加载状态
                const updatedContent = {
                  ...content,
                  videoUrl,
                  isLoading: false,
                };
                return {
                  ...msg,
                  content: JSON.stringify(updatedContent),
                };
              } catch (e) {
                console.error("更新视频URL失败:", e);
                return msg;
              }
            }
            return msg;
          }),
        }));
      },
      clearAllData: () => {
        set({
          currentContract: null,
          currentMessages: [],
          messagesLoading: false,
        });
      },
    }),
    {
      name: "wechat-storage",
      partialize: state => ({
        // currentContract 不做持久化，登录和页面刷新时直接清空
      }),
    },
  ),
);

// 导出便捷的选择器函数
export const useCurrentContact = () =>
  useWeChatStore(state => state.currentContract);
export const useCurrentMessages = () =>
  useWeChatStore(state => state.currentMessages);
export const useMessagesLoading = () =>
  useWeChatStore(state => state.messagesLoading);