// 假设以下类型和类的定义
interface TransitEntity {
    ServiceName: string;
    FuncName: string;
    Parameters: { [key: string]: string };
    AttachFiles?: AttachFile[];
}

interface AttachFile {
    AttachIndex: string;
    AttachType: any;
    AttachValue: any;
}

interface TellerInfo {
    // 假设 TellerInfo 有具体的属性
}

interface WorkItemDesc {
    // 假设 WorkItemDesc 有具体的属性
}

interface ProcessInfo {
    // 假设 ProcessInfo 有具体的属性
}

class ServiceManager {
    private static instance: ServiceManager;
    private constructor() {}

    public static GetInstance(): ServiceManager {
        if (!this.instance) {
            this.instance = new ServiceManager();
        }
        return this.instance;
    }

    public async Commit(entity: TransitEntity): Promise<AttachFile[]> {
        // 这里需要实现具体的提交逻辑，例如发送 HTTP 请求
        return [];
    }
}

class CommonFunction {
    static ChangeDicToStr(dic: { [key: string]: any }): string {
        return JSON.stringify(dic);
    }

    static ChangeStrToDic(str: string): { [key: string]: any } {
        return JSON.parse(str);
    }

    static ChangeEntityTable<TInput, TOutput>(input: TInput): TOutput {
        // 这里需要实现具体的转换逻辑
        return {} as TOutput;
    }
}

export class WorkFlowHandle {
    public static async GetWorkFlowTradeReturn(workflowId: string): Promise<string | null> {
        let tradeReturn: string | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "TradeRequest",
                Parameters: { "1": workflowId }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                tradeReturn = tmpresult[0].AttachValue as string;
            }
        } catch (e) {
            throw e;
        }
        return tradeReturn;
    }

    public static async GetWorkFlowTradeSubmit(
        tellerinfo: TellerInfo,
        tradePageData: Uint8Array,
        alldatas: { [key: string]: object },
        id: string,
        serialNo: string,
        isWorkFlow: boolean,
        firstNodeFlag: boolean
    ): Promise<string | null> {
        let tradeReturn: string | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "TradeSubmit",
                Parameters: {
                    "3": CommonFunction.ChangeDicToStr(alldatas),
                    "4": id,
                    "5": serialNo,
                    "6": isWorkFlow.toString(),
                    "7": firstNodeFlag.toString()
                },
                AttachFiles: []
            };

            const teller: AttachFile = {
                AttachIndex: "1",
                AttachType: null, // 需要根据实际情况设置
                AttachValue: CommonFunction.ChangeEntityTable<TellerInfo[], any>([tellerinfo])
            };
            entity.AttachFiles.push(teller);

            const pagedata: AttachFile = {
                AttachIndex: "2",
                AttachType: null, // 需要根据实际情况设置
                AttachValue: tradePageData
            };
            entity.AttachFiles.push(pagedata);

            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                tradeReturn = tmpresult[0].AttachValue as string;
            }
        } catch (e) {
            throw e;
        }
        return tradeReturn;
    }

    public static async GetWorkFlowWorkItem(tellerNo: string, state: string): Promise<WorkItemDesc[] | null> {
        let tradeReturn: WorkItemDesc[] | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "GetWorkItems",
                Parameters: { "1": tellerNo, "2": state } // 原代码参数键重复，修正为不同键
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                tradeReturn = CommonFunction.ChangeEntityTable<any, WorkItemDesc[]>(tmpresult[0].AttachValue);
            }
        } catch (e) {
            throw e;
        }
        return tradeReturn;
    }

    public static async ProcessSuspend(processid: string): Promise<string | null> {
        let tradeReturn: string | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "ProcessSuspend",
                Parameters: { "1": processid }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                tradeReturn = tmpresult[0].AttachValue as string;
            }
        } catch (e) {
            throw e;
        }
        return tradeReturn;
    }

    public static async ProcessResume(processid: string): Promise<string | null> {
        let tradeReturn: string | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "ProcessResume",
                Parameters: { "1": processid }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                tradeReturn = tmpresult[0].AttachValue as string;
            }
        } catch (e) {
            throw e;
        }
        return tradeReturn;
    }

    public static async ProcessDelete(processid: string): Promise<string | null> {
        let tradeReturn: string | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "ProcessDelete",
                Parameters: { "1": processid }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                tradeReturn = tmpresult[0].AttachValue as string;
            }
        } catch (e) {
            throw e;
        }
        return tradeReturn;
    }

    public static async GetTradePageData(serialNo: string, ActiviteName: string): Promise<Uint8Array | null> {
        let result: Uint8Array | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "GetTradePageData",
                Parameters: { "1": serialNo, "2": ActiviteName }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                result = tmpresult[0].AttachValue as Uint8Array;
            }
        } catch (e) {
            throw e;
        }
        return result;
    }

    public static async GetTradedataBySerialNo(serialNo: string): Promise<{ [key: string]: object } | null> {
        let result: { [key: string]: object } | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "GetTradedataBySerialNo",
                Parameters: { "1": serialNo }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                result = CommonFunction.ChangeStrToDic(tmpresult[0].AttachValue.toString());
            }
        } catch (e) {
            throw e;
        }
        return result;
    }

    public static async getProcessInfosByUserId(userId: string): Promise<ProcessInfo[] | null> {
        let result: ProcessInfo[] | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "GetProcessInfosByUserId",
                Parameters: { "1": userId }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                result = CommonFunction.ChangeEntityTable<any, ProcessInfo[]>(tmpresult[0].AttachValue);
            }
        } catch (e) {
            throw e;
        }
        return result;
    }

    public static async deleteProcessInsById(proInsId: string, delReason: string): Promise<void> {
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "DeleteProcessInsById",
                Parameters: { "1": proInsId, "2": delReason }
            };
            await ServiceManager.GetInstance().Commit(entity);
        } catch (e) {
            throw e;
        }
    }

    public static async deleteHisTaskInsByuserId(TellerNo: string): Promise<void> {
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "DeleteHisTaskInsByuserId",
                Parameters: { "1": TellerNo }
            };
            await ServiceManager.GetInstance().Commit(entity);
        } catch (e) {
            throw e;
        }
    }

    public static async deleteHisProcessInsByuserId(TellerNo: string): Promise<void> {
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "DeleteHisProcessInsByuserId",
                Parameters: { "1": TellerNo }
            };
            await ServiceManager.GetInstance().Commit(entity);
        } catch (e) {
            throw e;
        }
    }

    public static async GiveUpTask(taskid: string): Promise<void> {
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "GiveUpTask",
                Parameters: { "1": taskid }
            };
            await ServiceManager.GetInstance().Commit(entity);
        } catch (e) {
            throw e;
        }
    }

    public static async GenNextSerialNo(
        tradeNo: string,
        telNo: string,
        brNo: string,
        isWorkFlow: boolean
    ): Promise<string | null> {
        let result: string | null = null;
        try {
            const entity: TransitEntity = {
                ServiceName: "ProcessService",
                FuncName: "GenNextSerialNo",
                Parameters: {
                    "1": tradeNo,
                    "2": telNo,
                    "3": brNo,
                    "4": isWorkFlow.toString()
                }
            };
            const tmpresult = await ServiceManager.GetInstance().Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                result = tmpresult[0].AttachValue as string;
            }
        } catch (e) {
            throw e;
        }
        return result;
    }
}