private static bool FieldsAreValid(Passport passport)
{
return(passport.All(fieldAndValue => FieldIsValid(fieldAndValue.Key, fieldAndValue.Value)));
}
public static List <Passport> GetMappedPassports(List <string> input)
{
var passports = new List <Passport>();
var initialPosition = 0;
for (var i = 0; i < input.Count; i++)
{
if (string.IsNullOrWhiteSpace(input[i]) || i == input.Count - 1)
{
//new passport, construct object
var passportString = string.Empty;
var lastLine = i == input.Count - 1;
for (var j = initialPosition; j < (lastLine ? i + 1 : i); j++)
{
//reconstruct passport
passportString += input[j];
if (j != (lastLine ? i : i - 1))
{
passportString += " ";
}
}
var passportStringSplitSpaces = passportString.Split(" ".ToCharArray());
var passport = new Passport();
foreach (var passportStringSplitSpace in passportStringSplitSpaces)
{
var splitField = passportStringSplitSpace.Split(":".ToCharArray());
switch (splitField[0])
{
case "byr":
passport.BirthYear = splitField[1];
break;
case "iyr":
passport.IssueYear = splitField[1];
break;
case "eyr":
passport.ExpirationYear = splitField[1];
break;
case "hgt":
passport.Height = splitField[1];
break;
case "hcl":
passport.HairColor = splitField[1];
break;
case "ecl":
passport.EyeColor = splitField[1];
break;
case "pid":
passport.PassportId = splitField[1];
break;
case "cid":
passport.CountryId = splitField[1];
break;
}
}
passports.Add(passport);
initialPosition = i + 1;
}
}
return(passports);
}
private static bool PassportContainsRequiredFields(Passport passport)
{
return(Passport.RequiredFields.All(field => passport.ContainsKey(field)));
}
public static bool IsPassportValid(Passport passport)
{
if (string.IsNullOrWhiteSpace(passport.BirthYear) || string.IsNullOrWhiteSpace(passport.IssueYear) || string.IsNullOrWhiteSpace(passport.ExpirationYear) || string.IsNullOrWhiteSpace(passport.Height) || string.IsNullOrWhiteSpace(passport.HairColor) || string.IsNullOrWhiteSpace(passport.EyeColor) || string.IsNullOrWhiteSpace(passport.PassportId))
{
return(false);
}
else
{
if (!string.IsNullOrWhiteSpace(passport.BirthYear))
{
if (passport.BirthYear.Length != 4 || int.Parse(passport.BirthYear) < 1920 || int.Parse(passport.BirthYear) > 2002)
{
return(false);
}
}
if (!string.IsNullOrWhiteSpace(passport.IssueYear))
{
if (passport.IssueYear.Length != 4 || int.Parse(passport.IssueYear) < 2010 || int.Parse(passport.IssueYear) > 2020)
{
return(false);
}
}
if (!string.IsNullOrWhiteSpace(passport.ExpirationYear))
{
if (passport.ExpirationYear.Length != 4 || int.Parse(passport.ExpirationYear) < 2020 || int.Parse(passport.ExpirationYear) > 2030)
{
return(false);
}
}
if (!string.IsNullOrWhiteSpace(passport.Height))
{
if (passport.Height.EndsWith("cm"))
{
var value = passport.Height.Substring(0, passport.Height.Length - 2);
if (int.TryParse(value, out var numericValue))
{
if (numericValue < 150 || numericValue > 193)
{
return(false);
}
}
else
{
return(false);
}
}
else if (passport.Height.EndsWith("in"))
{
var value = passport.Height.Substring(0, passport.Height.Length - 2);
if (int.TryParse(value, out var numericValue))
{
if (numericValue < 59 || numericValue > 76)
{
return(false);
}
}
else
{
return(false);
}
}
else
{
return(false);
}
}
if (!string.IsNullOrWhiteSpace(passport.HairColor))
{
if (passport.HairColor.StartsWith("#") && passport.HairColor.Substring(1, passport.HairColor.Length - 1).Length == 6)
{
string pattern = @"^[a-z0-9]+$";
var regex = new Regex(pattern);
if (!regex.IsMatch(passport.HairColor.Substring(1, passport.HairColor.Length - 1)))
{
return(false);
}
}
else
{
return(false);
}
}
if (!string.IsNullOrWhiteSpace(passport.EyeColor))
{
var count = 0;
count += Regex.Matches(passport.EyeColor, "amb", RegexOptions.IgnoreCase).Count;
count += Regex.Matches(passport.EyeColor, "blu", RegexOptions.IgnoreCase).Count;
count += Regex.Matches(passport.EyeColor, "brn", RegexOptions.IgnoreCase).Count;
count += Regex.Matches(passport.EyeColor, "gry", RegexOptions.IgnoreCase).Count;
count += Regex.Matches(passport.EyeColor, "grn", RegexOptions.IgnoreCase).Count;
count += Regex.Matches(passport.EyeColor, "hzl", RegexOptions.IgnoreCase).Count;
count += Regex.Matches(passport.EyeColor, "oth", RegexOptions.IgnoreCase).Count;
if (count != 1)
{
return(false);
}
}
if (!string.IsNullOrWhiteSpace(passport.PassportId))
{
if (passport.PassportId.Length == 9)
{
foreach (var c in passport.PassportId.ToCharArray())
{
if (!int.TryParse(c.ToString(), out var digit))
{
return(false);
}
}
}
else
{
return(false);
}
}
}
return(true);
}