import { ILogicNode } from "@/interface/logic";
import { UIActionContext } from "../uiaction-context";
import { UILogicNodeBase } from "./logic-node-base";
/**
 * 准备处理参数节点
 *
 * @export
 * @class UILogicPrepareParamNode
 */
export class UILogicPrepareParamNode extends UILogicNodeBase {
    constructor() {
        super();
    }

    /**
     * 执行节点
     *
     * @param {ILogicNode} logicNode 逻辑节点模型数据
     * @param {UIActionContext} actionContext 界面逻辑上下文
     * @memberof UILogicPrepareParamNode
     */
    public async executeNode(logicNode: ILogicNode, actionContext: UIActionContext) {
        try {
            this.handleParam(logicNode, actionContext);
            return this.computeNextNodes(logicNode, actionContext);
        } catch (error: any) {
            throw new Error(`逻辑节点 ${logicNode.name}${error && error.message ? error.message : "发生未知错误！"}`);
        }
    }

    /**
     * 处理参数
     *
     * @param {IPSDELogicNode} logicNode 节点模型数据
     * @param {ActionContext} actionContext  逻辑上下文
     * @memberof UILogicPrepareParamNode
     */
    public handleParam(logicNode: ILogicNode, actionContext: UIActionContext) {
        // if (!logicNode || !logicNode.getPSDEUILogicNodeParams()) {
        //     return;
        // }
        try {
            // for (let logicNodeParam of logicNode.getPSDEUILogicNodeParams() as any[]) {
            //     // 设置变量
            //     if (Object.is(logicNodeParam.paramAction, UILogicParamValueType.SETPARAMVALUE)) {
            //         this.onSetParamValue(logicNodeParam, actionContext);
            //     }
            //     // 重置变量
            //     if (Object.is(logicNodeParam.paramAction, UILogicParamValueType.RESETPARAM)) {
            //         this.onResetParam(logicNodeParam, actionContext);
            //     }
            //     // 拷贝变量
            //     if (Object.is(logicNodeParam.paramAction, UILogicParamValueType.COPYPARAM)) {
            //         this.onCopyParam(logicNodeParam, actionContext);
            //     }
            //     // 绑定参数
            //     if (Object.is(logicNodeParam.paramAction, UILogicParamValueType.BINDPARAM)) {
            //         this.onBindParam(logicNodeParam, actionContext);
            //     }
            //     // 重新建立变量
            //     if (Object.is(logicNodeParam.paramAction, UILogicParamValueType.RENEWPARAM)) {
            //         this.onRenewParam(logicNodeParam, actionContext);
            //     }
            //     // 附加到数组变量
            //     if (Object.is(logicNodeParam.paramAction, UILogicParamValueType.APPENDPARAM)) {
            //         this.onAppendParam(logicNodeParam, actionContext);
            //     }
            //     // 排序数组变量
            //     if (Object.is(logicNodeParam.paramAction, UILogicParamValueType.SORTPARAM)) {
            //         this.onSortParam(logicNodeParam, actionContext);
            //     }
            // }
        } catch (error: any) {
            throw new Error(`${error && error.message ? error.message : "发生未知错误！"}`);
        }
    }

    /**
     * 设置参数(根据配置把源逻辑参数的值赋给目标逻辑参数)
     *
     * @param {any} logicNodeParam 逻辑节点模型数据
     * @param {UIActionContext} actionContext 界面逻辑上下文
     * @memberof UILogicPrepareParamNode
     */
    public onSetParamValue(logicNodeParam: any, actionContext: UIActionContext) {
        // try {
        //     // 源类型参数/目标逻辑参数/目标属性缺一跳过不做处理
        //     if (!logicNodeParam.getDstPSDEUILogicParam() || !logicNodeParam.srcValueType) {
        //         throw new Error(`逻辑参数${logicNodeParam.name}源类型参数或者目标逻辑参数缺失`);
        //     }
        //     // 目标数据
        //     const dstParam: any = actionContext.getParam(
        //         (logicNodeParam.getDstPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     // 无值类型
        //     if (Object.is(logicNodeParam.srcValueType, "NONEVALUE")) {
        //         if (logicNodeParam.dstFieldName) {
        //             dstParam.reset(logicNodeParam.dstFieldName.toLowerCase());
        //         } else {
        //             dstParam.bind(undefined);
        //         }
        //     } else {
        //         const result = this.computeTargetParam(logicNodeParam, actionContext);
        //         if (logicNodeParam.dstFieldName) {
        //             dstParam.set(logicNodeParam.dstFieldName.toLowerCase(), result);
        //         } else {
        //             dstParam.bind(result);
        //         }
        //     }
        // } catch (error) {
        //     throw new Error(
        //         `逻辑参数${logicNodeParam.name}${error && error.message ? error.message : "发生未知错误！"}`
        //     );
        // }
    }

    /**
     * 重置变量
     *
     * @param {any} logicNodeParam
     * @param {ActionContext} actionContext
     * @memberof UILogicPrepareParamNode
     */
    public onResetParam(logicNodeParam: any, actionContext: UIActionContext) {
        // try {
        //     // 目标数据
        //     const dstParam: any = actionContext.getParam(
        //         (logicNodeParam.getDstPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     dstParam.resetAll();
        // } catch (error: any) {
        //     throw new Error(
        //         `逻辑参数${logicNodeParam.name}${error && error.message ? error.message : "发生未知错误！"}`
        //     );
        // }
    }

    /**
     * 拷贝变量
     *
     * @param {any} logicNodeParam
     * @param {ActionContext} actionContext
     * @memberof UILogicPrepareParamNode
     */
    public onCopyParam(logicNodeParam: any, actionContext: UIActionContext) {
        // try {
        //     // 源数据
        //     const srcParam: any = actionContext.getParam(
        //         (logicNodeParam.getSrcPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     // 目标数据
        //     const dstParam: any = actionContext.getParam(
        //         (logicNodeParam.getDstPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     srcParam.copyTo(dstParam);
        // } catch (error) {
        //     throw new Error(
        //         `逻辑参数${logicNodeParam.name}${error && error.message ? error.message : "发生未知错误！"}`
        //     );
        // }
    }

    /**
     * 绑定参数
     *
     * @param {any} logicNodeParam
     * @param {ActionContext} actionContext
     * @memberof UILogicPrepareParamNode
     */
    public onBindParam(logicNodeParam: any, actionContext: UIActionContext) {
        // try {
        //     // 源数据
        //     const srcParam: any = actionContext.getParam(
        //         (logicNodeParam.getSrcPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     // 目标数据
        //     const dstParam: any = actionContext.getParam(
        //         (logicNodeParam.getDstPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     // 源属性
        //     const srcFieldName: string = logicNodeParam.srcFieldName?.toLowerCase?.();
        //     if (srcFieldName) {
        //         dstParam.bind(srcParam.get(srcFieldName));
        //     } else {
        //         dstParam.bind(srcParam.getReal());
        //     }
        // } catch (error) {
        //     throw new Error(
        //         `逻辑参数${logicNodeParam.name}${error && error.message ? error.message : "发生未知错误！"}`
        //     );
        // }
    }

    /**
     * 重新建立变量
     *
     * @param {any} logicNodeParam
     * @param {UIActionContext} actionContext
     * @memberof UILogicPrepareParamNode
     */
    public onRenewParam(logicNodeParam: any, actionContext: UIActionContext) {
        // try {
        //     // 目标参数
        //     const dstParam: any = actionContext.getParam(
        //         (logicNodeParam.getDstPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     dstParam.renew();
        // } catch (error) {
        //     throw new Error(
        //         `逻辑参数${logicNodeParam.name}${error && error.message ? error.message : "发生未知错误！"}`
        //     );
        // }
    }

    /**
     * 附加到数组变量
     *
     * @param {any} logicNodeParam
     * @param {UIActionContext} actionContext
     * @memberof UILogicPrepareParamNode
     */
    public onAppendParam(logicNodeParam: any, actionContext: UIActionContext) {
        // try {
        //     // 源数据
        //     const srcParam: any = actionContext.getParam(
        //         (logicNodeParam.getSrcPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     // 目标数据
        //     const dstParam: any = actionContext.getParam(
        //         (logicNodeParam.getDstPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     // 源属性
        //     const srcFieldName: string = logicNodeParam.srcFieldName?.toLowerCase?.();
        //     let objParam: any;
        //     if (srcFieldName) {
        //         objParam = srcParam.get(srcFieldName);
        //     } else {
        //         objParam = srcParam.getReal();
        //     }
        //     dstParam.append(logicNodeParam.dstIndex, objParam, logicNodeParam.srcIndex, logicNodeParam.srcSize);
        // } catch (error) {
        //     throw new Error(
        //         `逻辑参数${logicNodeParam.name}${error && error.message ? error.message : "发生未知错误！"}`
        //     );
        // }
    }

    /**
     * 排序数组变量
     *
     * @param {any} logicNodeParam
     * @param {UIActionContext} actionContext
     * @memberof UILogicPrepareParamNode
     */
    public onSortParam(logicNodeParam: any, actionContext: UIActionContext) {
        // try {
        //     // 目标数据
        //     const dstParam: any = actionContext.getParam(
        //         (logicNodeParam.getDstPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        //     );
        //     // 目标属性
        //     const dstFieldName: string = logicNodeParam.dstFieldName?.toLowerCase?.();
        //     if (!dstFieldName) {
        //         throw new Error(`逻辑参数${logicNodeParam.name}未指定设置排序属性`);
        //     }
        //     dstParam.sort(dstFieldName, logicNodeParam.dstSortDir);
        // } catch (error) {
        //     throw new Error(
        //         `逻辑参数${logicNodeParam.name}${error && error.message ? error.message : "发生未知错误！"}`
        //     );
        // }
    }

    /**
     * 计算目标值
     *
     * @param {any} logicNodeParam 节点参数
     * @param {ActionContext} actionContext  逻辑上下文
     * @memberof UILogicPrepareParamNode
     */
    public computeTargetParam(logicNodeParam: any, actionContext: UIActionContext) {
        // let targetValue: any;
        // // 源数据
        // const srcParam: any = actionContext.getParam(
        //     (logicNodeParam.getSrcPSDEUILogicParam() as IPSDEUILogicParam)?.codeName
        // );
        // // 源属性
        // try {
        //     const srcFieldName: string = logicNodeParam?.srcFieldName?.toLowerCase();
        //     switch (logicNodeParam.srcValueType) {
        //         case "SRCDLPARAM": // 源逻辑参数
        //         case "WEBCONTEXT": // 网页请求上下文
        //         case "VIEWPARAM": // 当前视图参数
        //             targetValue = srcParam.get(srcFieldName) ? srcParam.get(srcFieldName) : null;
        //             break;
        //         case "APPLICATION": // 系统全局对象
        //         case "SESSION": // 用户全局对象
        //         case "APPDATA": // 应用上下文
        //         case "DATACONTEXT": // 数据上下文
        //             const { context } = actionContext;
        //             targetValue = context[srcFieldName];
        //             break;
        //         case "ENVPARAM": // 当前环境参数
        //             const Environment = AppServiceBase.getInstance().getAppEnvironment();
        //             targetValue = Environment[srcFieldName];
        //             break;
        //         case "EXPRESSION": // 计算式
        //             targetValue = this.computeExpRessionValue(logicNodeParam, actionContext);
        //             break;
        //         case "SRCVALUE": // 直接值
        //             targetValue = logicNodeParam?.srcValue;
        //             break;
        //         case "NULLVALUE": // 空值（NULL）
        //             targetValue = null;
        //             break;
        //         default:
        //             throw new Error(`源值类型${logicNodeParam.srcValueType}暂未支持`);
        //     }
        //     return targetValue;
        // } catch (error) {
        //     throw new Error(`${error && error.message ? error.message : "发生未知错误！"}`);
        // }
    }
    /**
     * 计算表达式值
     *
     * @param {any} logicNodeParam 节点参数
     * @param {ActionContext} actionContext  逻辑上下文
     * @memberof UILogicPrepareParamNode
     */
    private computeExpRessionValue(logicNodeParam: any, actionContext: UIActionContext) {
        let expression: string = logicNodeParam?.expression;
        let data: any = actionContext.defaultParam.getReal();
        let { context } = actionContext;
        if (!expression) {
            throw new Error(`表达式不能为空`);
        }
        try {
            expression = this.translateExpression(expression);
            return eval(expression);
        } catch (error) {
            throw new Error(`表达式计算异常: ${error}`);
        }
    }

    /**
     * 解析表达式
     *
     * @param {string} expression 表达式
     * @memberof UILogicPrepareParamNode
     */
    private translateExpression(expression: string): string {
        if (expression.indexOf("${") != -1 && expression.indexOf("}") != -1) {
            const start: number = expression.indexOf("${");
            const end: number = expression.indexOf("}");
            const contentStr: string = expression.slice(start + 2, end);
            expression = expression.replace(expression.slice(start, end + 1), `data.${contentStr}`);
            return this.translateExpression(expression);
        }
        return expression;
    }
}