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);

        try {
            Workflow1(userEnteredValues);
        }
        catch (DivideByZeroException e) {
            Console.WriteLine("An error occurred during 'Workflow1'.");
            Console.WriteLine(e.Message);
            Console.WriteLine();
        }

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

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

            foreach (string[] userEntries in userEnteredValues) {
                //processStatusMessage = Process1(userEntries);
                try {
                    Process1(userEntries);
                    Console.WriteLine("'Process1' completed successfully.");
                    Console.WriteLine();
                }
                //if (processStatusMessage == "process complete") {
                //    Console.WriteLine("'Process1' completed successfully.");
                //    Console.WriteLine();
                //}
                catch (FormatException e) {
                    Console.WriteLine("'Process1' encountered an issue, process aborted.");
                    Console.WriteLine(e.Message);
                    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 void 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.";
                        throw new DivideByZeroException("Invalid data. User input values must be non-zero values.");
                        //processStatus = "error";
                    }
                }
                else {
                    //returnMessage = "Invalid data. User input values must be valid integers.";
                    throw new FormatException("Invalid data. User input values must be valid integers.");
                    //processStatus = "error";
                }
            }

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

            //return returnMessage;
        }
    }
}