import { ref } from "vue";
import { createInjectionState } from "@vueuse/core";
import { RemoteUpdateClient, DataClient, Board } from "@/APIClient";
import { useDialogStore } from "@/stores/dialog";
import { useAlertStore } from "@/components/Alert";
import { Common } from "@/utils/Common";
import { isUndefined } from "lodash";
import { AuthManager } from "@/utils/AuthManager";

// 统一的板卡数据接口，扩展原有的Board类型
export interface BoardData extends Board {
  defaultBitstream: string;
  goldBitstreamFile?: File;
  appBitstream1File?: File;
  appBitstream2File?: File;
  appBitstream3File?: File;
}

const [useProvideBoardManager, useBoardManager] = createInjectionState(() => {
  const dialog = useDialogStore();
  const alert = useAlertStore();

  // 远程升级相关参数
  const devPort = 1234;
  const remoteUpdater = new RemoteUpdateClient();

  // 统一的板卡数据
  const boards = ref<BoardData[]>([]);

  // 获取位流编号
  function getSelectedBitstreamNum(bitstreamName: string): number {
    if (bitstreamName === "黄金位流") return 0;
    if (bitstreamName === "应用位流1") return 1;
    if (bitstreamName === "应用位流2") return 2;
    if (bitstreamName === "应用位流3") return 3;
    return 0;
  }

  // 获取所有板卡信息（管理员权限）- 不显示提示信息，供内部调用
  async function fetchBoardsData(): Promise<boolean> {
    try {
      // 验证管理员权限
      const hasAdminAuth = await AuthManager.verifyAdminAuth();
      if (!hasAdminAuth) {
        return false;
      }

      const client = AuthManager.createAuthenticatedClient();
      const result = await client.getAllBoards();

      if (result) {
        // 将Board类型转换为BoardData类型，添加默认值
        boards.value = result.map((board) => {
          return {
            ...board,
            defaultBitstream: "黄金位流", // 设置默认位流
            goldBitstreamFile: undefined,
            appBitstream1File: undefined,
            appBitstream2File: undefined,
            appBitstream3File: undefined,
            // Ensure methods from Board are present
            init: board.init?.bind(board),
            toJSON: board.toJSON?.bind(board),
          };
        });
        return true;
      } else {
        return false;
      }
    } catch (e) {
      console.error(e);
      return false;
    }
  }

  // 获取所有板卡信息（管理员权限）- 显示提示信息，供外部调用
  async function getAllBoards(): Promise<boolean> {
    const result = await fetchBoardsData();
    if (result) {
      dialog.info("获取板卡信息成功");
    } else {
      dialog.warn("获取板卡信息失败");
    }
    return result;
  }

  // 新增板卡（管理员权限）
  async function addBoard(
    name: string,
    ipAddr: string,
    port: number,
  ): Promise<boolean> {
    try {
      // 验证管理员权限
      const hasAdminAuth = await AuthManager.verifyAdminAuth();
      if (!hasAdminAuth) {
        dialog.error("需要管理员权限");
        return false;
      }

      // 验证输入参数
      if (!name || !ipAddr || !port) {
        dialog.error("请填写完整的板卡信息");
        return false;
      }

      const client = AuthManager.createAuthenticatedClient();
      const boardId = await client.addBoard(name, ipAddr, port);

      if (boardId) {
        // 静默刷新板卡列表，不显示重复提示
        await fetchBoardsData();
        dialog.info("新增板卡成功");
        return true;
      } else {
        dialog.warn("新增板卡失败");
        return false;
      }
    } catch (e: any) {
      if (e.status === 401) {
        dialog.error("权限不足，需要管理员权限");
      } else if (e.status === 400) {
        dialog.error("输入参数错误");
      } else {
        dialog.error("新增板卡失败");
      }
      console.error(e);
      return false;
    }
  }

  // 删除板卡（管理员权限）
  async function deleteBoard(boardId: string): Promise<boolean> {
    try {
      // 验证管理员权限
      const hasAdminAuth = await AuthManager.verifyAdminAuth();
      if (!hasAdminAuth) {
        dialog.error("需要管理员权限");
        return false;
      }

      if (!boardId) {
        dialog.error("板卡ID不能为空");
        return false;
      }

      const client = AuthManager.createAuthenticatedClient();
      const result = await client.deleteBoard(boardId);

      if (result > 0) {
        // 静默刷新板卡列表，不显示重复提示
        await fetchBoardsData();
        dialog.info("删除板卡成功");
        return true;
      } else {
        dialog.warn("删除板卡失败");
        return false;
      }
    } catch (e: any) {
      if (e.status === 401) {
        dialog.error("权限不足，需要管理员权限");
      } else if (e.status === 400) {
        dialog.error("输入参数错误");
      } else {
        dialog.error("删除板卡失败");
      }
      console.error(e);
      return false;
    }
  }

  // 上传并固化位流
  async function uploadAndDownloadBitstreams(
    board: BoardData,
    goldBitstream?: File,
    appBitstream1?: File,
    appBitstream2?: File,
    appBitstream3?: File,
  ) {
    let cnt = 0;
    if (!isUndefined(goldBitstream)) cnt++;
    if (!isUndefined(appBitstream1)) cnt++;
    if (!isUndefined(appBitstream2)) cnt++;
    if (!isUndefined(appBitstream3)) cnt++;
    if (cnt === 0) {
      dialog.error("未选择比特流");
      return;
    }

    try {
      const uploadResult = await remoteUpdater.uploadBitstreams(
        board.ipAddr, // 使用板卡的IP地址
        Common.toFileParameterOrNull(goldBitstream),
        Common.toFileParameterOrNull(appBitstream1),
        Common.toFileParameterOrNull(appBitstream2),
        Common.toFileParameterOrNull(appBitstream3),
      );

      if (!uploadResult) {
        dialog.warn("上传比特流出错");
        return;
      }

      const downloadResult = await remoteUpdater.downloadMultiBitstreams(
        board.ipAddr,
        board.port,
        getSelectedBitstreamNum(board.defaultBitstream),
      );

      if (downloadResult != cnt) {
        dialog.warn("固化比特流出错");
      } else {
        dialog.info("固化比特流成功");
      }
    } catch (e) {
      dialog.error("比特流上传错误");
      console.error(e);
    }
  }

  // 热启动位流
  async function hotresetBitstream(board: BoardData, bitstreamNum: number) {
    try {
      const ret = await remoteUpdater.hotResetBitstream(
        board.ipAddr,
        board.port,
        bitstreamNum,
      );
      if (ret) {
        dialog.info("切换比特流成功");
      } else {
        dialog.error("切换比特流失败");
      }
    } catch (e) {
      dialog.error("切换比特流失败");
      console.error(e);
    }
  }

  // 刷新板卡数据 - 简化逻辑，避免重复提示
  async function refreshData() {
    try {
      const result = await fetchBoardsData();
      if (result) {
        alert?.info("刷新数据成功");
      } else {
        alert?.error("获取板卡信息失败");
      }
    } catch (e) {
      alert?.error("获取数据失败");
      console.error(e);
    }
  }

  // 处理文件上传
  function handleFileChange(
    event: Event,
    board: BoardData,
    fileKey: keyof Pick<
      BoardData,
      | "goldBitstreamFile"
      | "appBitstream1File"
      | "appBitstream2File"
      | "appBitstream3File"
    >,
  ) {
    const target = event.target as HTMLInputElement;
    const file = target.files?.[0];
    if (file) {
      (board as any)[fileKey] = file;
    }
  }

  return {
    boards,
    uploadAndDownloadBitstreams,
    hotresetBitstream,
    refreshData,
    handleFileChange,
    getSelectedBitstreamNum,
    getAllBoards,
    fetchBoardsData,
    addBoard,
    deleteBoard,
  };
});

export { useProvideBoardManager, useBoardManager };