namespace es_microsoft;

class Program {
    static void Main(string[] args) {


    string[][] userEnteredValues = new string[][]
    {
            new string[] { "1", "2", "3"},
            new string[] { "1", "two", "3"},
            new string[] { "0", "1", "2"}
    };

        string overallStatusMessage = "";

        overallStatusMessage = Workflow1(userEnteredValues);

        if (overallStatusMessage == "operating procedure complete") {
            Console.WriteLine("'Workflow1' completed successfully.");
        }
        else {
            Console.WriteLine("An error occurred during 'Workflow1'.");
            Console.WriteLine(overallStatusMessage);
        }

        static string Workflow1(string[][] userEnteredValues) {
            string operationStatusMessage = "good";
            string processStatusMessage = "";

            foreach (string[] userEntries in userEnteredValues) {
                processStatusMessage = Process1(userEntries);

                if (processStatusMessage == "process complete") {
                    Console.WriteLine("'Process1' completed successfully.");
                    Console.WriteLine();
                }
                else {
                    Console.WriteLine("'Process1' encountered an issue, process aborted.");
                    Console.WriteLine(processStatusMessage);
                    Console.WriteLine();
                    operationStatusMessage = processStatusMessage;
                }
            }

            if (operationStatusMessage == "good") {
                operationStatusMessage = "operating procedure complete";
            }

            return operationStatusMessage;
        }

        static string Process1(String[] userEntries) {
            string processStatus = "clean";
            string returnMessage = "";
            int valueEntered;

            foreach (string userValue in userEntries) {
                bool integerFormat = int.TryParse(userValue, out valueEntered);

                if (integerFormat == true) {
                    if (valueEntered != 0) {
                        checked {
                            int calculatedValue = 4 / valueEntered;
                        }
                    }
                    else {
                        returnMessage = "Invalid data. User input values must be non-zero values.";
                        processStatus = "error";
                    }
                }
                else {
                    returnMessage = "Invalid data. User input values must be valid integers.";
                    processStatus = "error";
                }
            }

            if (processStatus == "clean") {
                returnMessage = "process complete";
            }

            return returnMessage;
        }
    }
}