namegen.d

module namegen;

import std.ascii;
import std.random;
import std.utf;


void main()
{
    import std.stdio;
    auto gen = Random(unpredictableSeed);
    foreach (i; 0 .. 12) {
        writeln(randomName(gen));
    }
}

string randomName(ref Random gen)
{
    char[] name;
    size_t length = uniform(5, 7, gen);
    
    // CVCCVC or VCCVCV.
    if (uniform(0, 2, gen)) {
        encode(name, toUpper(randomConsonant(gen)));
        encode(name, randomVowel(gen));
        encode(name, randomConsonant(gen));
        encode(name, randomConsonant(gen));
        if (length >= 5) encode(name, randomVowel(gen));
        if (length >= 6) encode(name, randomConsonant(gen));
    } else {
        encode(name, toUpper(randomVowel(gen)));
        encode(name, randomConsonant(gen));
        encode(name, randomConsonant(gen));
        encode(name, randomVowel(gen));
        if (length >= 5) encode(name, randomConsonant(gen));
        if (length >= 6) encode(name, randomVowel(gen));
    }
    
    return name.idup;
}

private dchar randomConsonant(ref Random gen)
{
    return "bcdfghjklmnpqrstvwxyz"[uniform(0, $, gen)];
}

private dchar randomVowel(ref Random gen)
{
    return "aeiou"[uniform(0, $, gen)];
}