public static void Main(string[] args)
{
// This is the defaults values for thresholds
var thermometer = new ThermometerModel
{
TemperatureType = "F",
Boiling = 212.0,
Freezing = 32.0,
Fluctuation = 3.6
};
// The default values can be modified in the lines above or during the execution
// by writing the name of the variable and a new value
// Examples: Boiling 98 C
// Fluctuation: 0.5 C
// by changing the threshold values, all alerts are reseted
//flag if the alert was shown
bool alerted = false;
// flag the direction of the last input, false = freezing, true = boiling, null = middle
bool?lastDirection = null;
//input (console only)
Console.WriteLine("Type 'defaults' to see the initialized values");
Console.WriteLine("Press Ctrl+Break ou Ctrl+C to exit");
while (true)
{
var inputValues = Console.ReadLine();
Interpreter(thermometer, inputValues);
if (thermometer.TriggerAlert())
{
if (!alerted && thermometer.Direction != lastDirection)
{
ShowAlert();
}
else
{
alerted = false;
}
}
lastDirection = thermometer.Direction;
}
}
/// <summary>
/// Set the defaults or a value for the temperature
/// </summary>
/// <param name="model"></param>
/// <param name="input_string"></param>
static void Interpreter(ThermometerModel model, string input_string)
{
var inputList = input_string.Split(' ');
double degree = 0;
if (input_string.ToLower().Equals("defaults"))
{
ShowDefaults(model);
}
model.ValidEntry = false;
model.TemperatureType = inputList.Last().ToUpper();
//If the temperature type was not indicated, exit the method
if (!model.ValidTypes.ContainsKey(model.TemperatureType))
{
return;
}
string[] keywords = { "Boiling", "Freezing", "Fluctuation" };
if (keywords.Contains(inputList.First()))
{
// save the last value before, in case of conversion errors
var lastValue = (double)model.GetType().GetProperty(inputList.First()).GetValue(model, null);
// write the new value
degree = Double.TryParse(inputList[1], out degree) ? degree : lastValue;
model.GetType().GetProperty(inputList.First()).SetValue(model, degree);
// reset alerts
model.Direction = null;
// show defaults
ShowDefaults(model);
}
else
{
model.ValidEntry = Double.TryParse(inputList.First(), out degree);
model.Temperature = degree;
}
}
/// <summary>
/// Show the defaults values in the screen
/// </summary>
/// <param name="model"></param>
static void ShowDefaults(ThermometerModel model)
{
Console.WriteLine("Boiling value is set to: {0}° F", model.Boiling);
Console.WriteLine("Freezing value is set to: {0}° F", model.Freezing);
Console.WriteLine("Fluctuation value is set to: {0}° F", model.Fluctuation);
}
