public string Execute(IList <string> inputParameters)
{
string teamToChangeStoryStatusFor = inputParameters[0];
string boardToChangeStoryStatusFor = inputParameters[1];
string storyToChangeStatusFor = inputParameters[2];
string newStoryStatus = inputParameters[3];
string authorOfStoryStatusChange = inputParameters[4];
//Validations
var storyTypeForChecking = "Story Title";
inputValidator.IsNullOrEmpty(storyToChangeStatusFor, storyTypeForChecking);
var teamTypeForChecking = "Team Name";
inputValidator.IsNullOrEmpty(teamToChangeStoryStatusFor, teamTypeForChecking);
var boardTypeForChecking = "Board Name";
inputValidator.IsNullOrEmpty(boardToChangeStoryStatusFor, boardTypeForChecking);
var statusTypeForChecking = "Status";
inputValidator.IsNullOrEmpty(newStoryStatus, statusTypeForChecking);
var authorTypeForChecking = "Author";
inputValidator.IsNullOrEmpty(authorOfStoryStatusChange, authorTypeForChecking);
businessLogicValidator.ValidateTeamExistance(allTeams, teamToChangeStoryStatusFor);
businessLogicValidator.ValidateBoardExistanceInTeam(allTeams, boardToChangeStoryStatusFor, teamToChangeStoryStatusFor);
businessLogicValidator.ValidateNoSuchStoryInBoard(allTeams, boardToChangeStoryStatusFor, teamToChangeStoryStatusFor, storyToChangeStatusFor);
//Operations
var itemType = "Story";
var isEnumConvertable = Enum.TryParse(newStoryStatus, out StoryStatus newStatusEnum);
inputValidator.IsEnumConvertable(isEnumConvertable, "Status");
var castedStoryForStatusChange = allTeams.FindStoryAndCast(teamToChangeStoryStatusFor, boardToChangeStoryStatusFor, storyToChangeStatusFor);
storyOperations.ChangeStoryStatus(castedStoryForStatusChange, newStatusEnum);
var memberToAddActivityFor = allTeams.FindMemberInTeam(teamToChangeStoryStatusFor, authorOfStoryStatusChange);
var teamToAddActivityFor = allTeams.AllTeamsList[teamToChangeStoryStatusFor];
var storyToAddActivityFor = allTeams.FindWorkItem(teamToChangeStoryStatusFor, itemType, boardToChangeStoryStatusFor, storyToChangeStatusFor);
var teamToFindIn = allTeams.AllTeamsList[teamToChangeStoryStatusFor];
var boardToAddActivityFor = allTeams.FindBoardInTeam(teamToChangeStoryStatusFor, boardToChangeStoryStatusFor);
boardOperations.AddActivityHistoryToBoard(boardToAddActivityFor, memberToAddActivityFor, storyToAddActivityFor, newStoryStatus);
memberOpertaions.AddActivityHistoryToMember(memberToAddActivityFor, storyToAddActivityFor, teamToFindIn, boardToAddActivityFor, newStoryStatus);
storyOperations.AddActivityHistoryToWorkItem(storyToAddActivityFor, memberToAddActivityFor, newStoryStatus);
return(string.Format(StoryStatusChanged, storyToChangeStatusFor, newStatusEnum));
}