# Source: brokers/workflowBroker.js

    /**
     * @file workflowBroker.js
     * @module workflowBroker
     * @description Holds all fo the low level functions that manage the workflows,
     * system defined workflows, client defined workflows,
     * setting the workflow data and getting the workflow data.
     * @requires module:loggers
     * @requires module:data
     * @requires {@link https://www.npmjs.com/package/path|path}
     * @author Seth Hollingsead
     * @date 2022/02/04
     * @copyright Copyright © 2022-… by Seth Hollingsead. All rights reserved
     */

    // Internal imports
    import loggers from '../executrix/loggers.js';
    import D from '../structures/data.js';
    // External imports
    import hayConst from '@haystacks/constants';
    import path from 'path';

    const {bas, msg, sys, wrd} = hayConst;
    const baseFileName = path.basename(import.meta.url, path.extname(import.meta.url));
    // brokers.workflowBroker.
    const namespacePrefix = wrd.cbrokers + bas.cDot + baseFileName + bas.cDot;

    /**
     * @function getWorkflow
     * @description Given the name of the workflow that is being requested,
     * get that workflow from the D-data structure workflows data hive.
     * @param {string} workflowName The name of the workflow we should get workflow data for.
     * @return {string|boolean} The workflow value, which ideally would be a list of commands and command parameters.
     * False if no workflow by the specified name was found.
     * @author Seth Hollingsead
     * @date 2022/02/04
     */
    async function getWorkflow(workflowName) {
      let functionName = getWorkflow.name;
      await loggers.consoleLog(namespacePrefix + functionName, msg.cBEGIN_Function);
      // workflowName is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowNameIs + workflowName);
      let workflowValue = false;
      let currentWorkflow = await searchWorkflow(D[sys.cCommandWorkflows], workflowName);
      await loggers.consoleLog(namespacePrefix + functionName, msg.ccurrentWorkflowIs + JSON.stringify(currentWorkflow));
      workflowValue = currentWorkflow;
      // workflowValue is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowValueIs + JSON.stringify(workflowValue));
      await loggers.consoleLog(namespacePrefix + functionName, msg.cEND_Function);
      return workflowValue;
    }

    /**
     * @function doesWorkflowExist
     * @description Uses the recursive searchWorkflow function to determine if the workflow can be found in the workflow data structure.
     * @param {string} workflowName The name of the workflow that should be searched for.
     * @return {boolean} True or False to indicate if the workflow already exists or not.
     * @author Seth Hollingsead
     * @date 2022/05/24
     */
    async function doesWorkflowExist(workflowName) {
      let functionName = doesWorkflowExist.name;
      await loggers.consoleLog(namespacePrefix + functionName, msg.cBEGIN_Function);
      // workflowName is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowNameIs + workflowName);
      let workflowFound = false;
      let workflowSearchResult = await searchWorkflow(D[sys.cCommandWorkflows], workflowName);
      if (workflowSearchResult) {
        workflowFound = true;
      }
      // workflowFound is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowFoundIs + workflowFound);
      await loggers.consoleLog(namespacePrefix + functionName, msg.cEND_Function);
      return workflowFound;
    }

    /**
     * @function doesWorkflowExistInWorkflowData
     * @description Searches through a data structure to determine if the specified workflow exists within it.
     * @param {object} workflowData The workflow data structure that should be searched for the specified workflow.
     * @param {string} workflowName The name of the workflow that should be searched for in the workflow data structure.
     * @return {boolean} True or False to indicate if the workflow was found or not.
     */
    async function doesWorkflowExistInWorkflowData(workflowData, workflowName) {
      let functionName = doesWorkflowExist.name;
      await loggers.consoleLog(namespacePrefix + functionName, msg.cBEGIN_Function);
      // workflowName is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowNameIs + workflowName);
      let workflowFound = false;
      let workflowSearchResult = await searchWorkflow(workflowData, workflowName);
      if (workflowSearchResult) {
        workflowFound = true;
      }
      // workflowFound is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowFoundIs + workflowFound);
      await loggers.consoleLog(namespacePrefix + functionName, msg.cEND_Function);
      return workflowFound;
    }

    /**
     * @function searchWorkflow
     * @description This is a recursive function that searches through all the workflow
     * data structures and returns the one workflow data object that matches the input name.
     * @param {object} allWorkflows The workflow data that should be searched recursively for the specified workflow.
     * @param {string} workflowName The name of the workflow that should be found.
     * @return {object} The workflow object that corresponds to the input workflow name.
     * @author Seth Hollingsead
     * @date 2022/05/24
     */
    async function searchWorkflow(workflowData, workflowName) {
      let functionName = searchWorkflow.name;
      await loggers.consoleLog(namespacePrefix + functionName, msg.cBEGIN_Function);
      // workflowData is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowDataIs + JSON.stringify(workflowData));
      // workflowName is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowNameIs + workflowName);
      let workflowObject = false;
      if (typeof workflowData === wrd.cobject) {
        for (let workflowEntity in workflowData) {
          // workflowEntity is:
          await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowEntityIs + JSON.stringify(workflowEntity));
          // workflow is:
          await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowIs + JSON.stringify(workflowData[workflowEntity]));
          if (workflowEntity != workflowName || (workflowEntity === workflowName && typeof workflowData[workflowEntity] === wrd.cobject)) {
            let workflowObjectTemp = await searchWorkflow(workflowData[workflowEntity], workflowName);
            if (workflowObjectTemp && typeof workflowObjectTemp != wrd.cobject) {
              workflowObject = workflowObjectTemp;
              break;
            } // End-if (workflowObjectTemp != false && typeof workflowObjectTemp != wrd.cobject)
          } else if (typeof workflowData[workflowEntity] != wrd.cobject) {
            // Needed to make sure it's not a parent entity of the same name.
            workflowObject = workflowData[workflowEntity];
            break;
          }
        } // End-for (let workflowEntity in workflowData)
      } // End-if (typeof workflowData === wrd.cobject)
      // workflowObject is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowObjectIs + workflowObject);
      await loggers.consoleLog(namespacePrefix + functionName, msg.cEND_Function);
      return workflowObject;
    }

    /**
     * @function getAllWorkflows
     * @description Recursively gets all of the workflows from all levels and flattens them into a single array for printing out to the workflow help command.
     * @param {object} workflowDataStructure The workflow data structure that should be recursively flattened into a single array for output.
     * If the input is undefined then the main CommandWorkflows data structure will be used at the root of the workflows data hive.
     * @return {array<string>|boolean} An array of all the workflows currently loaded into the D-data structure under the CommandWorkflows data hive or
     * a boolean True or False to indicate that a leaf-node has been found by the recursive caller.
     * @author Seth Hollingsead
     * @date 2022/05/25
     */
    async function getAllWorkflows(workflowDataStructure) {
      let functionName = getAllWorkflows.name;
      await loggers.consoleLog(namespacePrefix + functionName, msg.cBEGIN_Function);
      // workflowDataStructure is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowDataStructureIs + JSON.stringify(workflowDataStructure));
      let allWorkflows = false;
      let internalWorkflowDataStructure;
      if (workflowDataStructure === undefined) {
        internalWorkflowDataStructure = JSON.parse(JSON.stringify(D[sys.cCommandWorkflows]));
      } else {
        internalWorkflowDataStructure = JSON.parse(JSON.stringify(workflowDataStructure));
      }
      await loggers.consoleLog(namespacePrefix + functionName, msg.cinternalWorkflowDataStructureIs + JSON.stringify(internalWorkflowDataStructure));
      if (typeof internalWorkflowDataStructure === wrd.cobject) {
        allWorkflows = [];
        for (let workflowEntity in internalWorkflowDataStructure) {
          // workflowEntity is:
          await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowEntityIs + JSON.stringify(workflowEntity));
          // workflowDataStructure[workflowEntity] is:
          await loggers.consoleLog(namespacePrefix + functionName, msg.cinternalWorkflowDataStructureWorkflowEntityIs + JSON.stringify(internalWorkflowDataStructure[workflowEntity]));
          if (typeof internalWorkflowDataStructure[workflowEntity] === wrd.cobject) {
            // internalWorkflowDataStructure[workflowEntity] is of type object!
            await loggers.consoleLog(namespacePrefix + functionName, msg.cinternalWorkflowDataStructureWorkflowEntityIsOfTypeObject);
            let allWorkflowsTemp;
            allWorkflowsTemp = await getAllWorkflows(internalWorkflowDataStructure[workflowEntity]);
            // allWorkflowsTemp returned from the recursive call is:
            await loggers.consoleLog(namespacePrefix + functionName, msg.callWorkflowsTempReturnedFromRecursiveCallIs + JSON.stringify(allWorkflowsTemp));
            if (allWorkflowsTemp === false) {
              // The recursive call returned false, so push the current entity to the output array!
              await loggers.consoleLog(namespacePrefix + functionName, msg.cgetAllWorkflowsMessage01 + msg.cgetAllWorkflowsMessage02);
              allWorkflows.push(workflowEntity);
              // allWorkflows after pushing to the array 1 is:
              await loggers.consoleLog(namespacePrefix + functionName, msg.callWorkflowsAfterPushingToArray1Is + JSON.stringify(allWorkflows));
            } else {
              allWorkflows = allWorkflows.concat(allWorkflowsTemp);
            }
          } else {
            // workflowEntity is NOT an object type, so push it to the output array!
            await loggers.consoleLog(namespacePrefix + functionName, msg.cgetAllWorkflowsMessage03 + msg.cgetAllWorkflowsMessage04);
            allWorkflows.push(workflowEntity);
            // allWorkflows after pushing to the array 2 is:
            await loggers.consoleLog(namespacePrefix + functionName, msg.callWorkflowsAfterPushingToArray2Is + JSON.stringify(allWorkflows));
          }
        } // End-for (let workflowEntity in internalWorkflowDataStructure)
      } // End-if (typeof workflowDataStructure === wrd.cobject)
      // workflow is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowIs + JSON.stringify(allWorkflows));
      await loggers.consoleLog(namespacePrefix + functionName, msg.cEND_Function);
      return allWorkflows;
    }

    /**
     * @function getWorkflowNamespaceDataObject
     * @description Recursively scans through the entire workflow metaData data structure looking for an object that matches the input namespace name.
     * When that namespace is found, the entire object is returned.
     * @param {object} workflowDataStructure The workflow data structure that should be recursively searched for the namespace specified.
     * If the input is undefined then the main CommandWorkflows data structure will be used at the root of the workflows data hive.
     * @param {string} namespaceToFind The namespace to look for in the workflow metaData data structure.
     * @return {object|boolean} The namespace object if it is found, or False if the namespace object was not found.
     * @author Seth Hollingsead
     * @date 2022/05/25
     */
    async function getWorkflowNamespaceDataObject(workflowDataStructure, namespaceToFind) {
      let functionName = getWorkflowNamespaceDataObject.name;
      await loggers.consoleLog(namespacePrefix + functionName, msg.cBEGIN_Function);
      // workflowDataStructure is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowDataStructureIs + JSON.stringify(workflowDataStructure));
      // namespaceToFind is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cnamespaceToFindIs + namespaceToFind);
      let workflowNamespaceObject = false;
      if (workflowDataStructure === undefined) {
        workflowDataStructure = D[sys.cCommandWorkflows];
      }
      for (let workflowEntity in workflowDataStructure) {
        // workflowEntity is:
        await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowEntityIs + JSON.stringify(workflowEntity));
        // workflowDataStructure[workflowEntity] is:
        await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowDataStructureWorkflowEntityIs + JSON.stringify(workflowDataStructure[workflowEntity]));
        if (workflowEntity === namespaceToFind) {
          workflowNamespaceObject = workflowDataStructure[workflowEntity];
          break;
        } else if (typeof workflowDataStructure[workflowEntity] === wrd.cobject) {
          // Search recursively
          let workflowTempObject = await getWorkflowNamespaceDataObject(workflowDataStructure[workflowEntity], namespaceToFind);
          if (workflowTempObject) {
            // Then we must have found the namespace object we were looking for in the recursion call.
            // Just return it, and skip out of the loop.
            workflowNamespaceObject = workflowTempObject;
            break;
          }
        }
      } // End-for (let workflowEntity in workflowDataStructure)
      // workflowNamespaceObject is:
      await loggers.consoleLog(namespacePrefix + functionName, msg.cworkflowNamespaceObjectIs + JSON.stringify(workflowNamespaceObject));
      await loggers.consoleLog(namespacePrefix + functionName, msg.cEND_Function);
      return workflowNamespaceObject;
    }

    export default {
      getWorkflow,
      doesWorkflowExist,
      doesWorkflowExistInWorkflowData,
      searchWorkflow,
      getAllWorkflows,
      getWorkflowNamespaceDataObject
    };