public void OnConfigurePlugin(object o, EventArgs args)
{
Configuration config = new Configuration(MembershipTypeSchema.Get(), UsernameSchema.Get(),
PasswordSchema.Get());
config.Run();
config.Destroy();
}
private static bool IsValid(Rule rule, PasswordSchema schema, string password)
{
if (rule == Rule.Q1)
{
var characterCountInPassword = password.ToCharArray().Count(c => c == schema.Character);
return(characterCountInPassword >= schema.FirstPosition && characterCountInPassword <= schema.SecondPosition);
}
if (rule == Rule.Q2)
{
var position1Correct =
password.Length + 1 > schema.FirstPosition && password[schema.FirstPosition - 1] == schema.Character;
var position2Correct =
password.Length + 1 > schema.SecondPosition && password[schema.SecondPosition - 1] == schema.Character;
return((position1Correct && !position2Correct) || (!position1Correct && position2Correct));
}
return(false);
}
public static int Solve(Rule rule)
{
var pathToInputs = @"/Users/tomaszszymaniec/Documents/Coding/Classic/AdventOfCode/2020/inputs/q2.txt";
var passwordsWithRules = Tools.ReadText(pathToInputs);
var validPasswords = 0;
var invalidPasswords = 0;
foreach (var passwordWithRule in passwordsWithRules)
{
if (!passwordWithRule.Contains(':'))
{
throw new Exception($"Unexpected password with rule: {passwordWithRule}");
}
var elements = passwordWithRule.Split(':');
if (elements.Length != 2)
{
throw new Exception($"Unexpected password with rule: {passwordWithRule}");
}
var ruleString = elements[0];
var password = elements[1].Trim();
var schema = new PasswordSchema(ruleString);
if (IsValid(rule, schema, password))
{
Console.WriteLine($"Valid password: {passwordWithRule}");
validPasswords++;
}
else
{
Console.WriteLine($"Invalid password: {passwordWithRule}");
invalidPasswords++;
}
}
Console.WriteLine($"Valid={validPasswords}, Invalid={invalidPasswords}");
return(validPasswords);
}
