use v6;
module Motd;

sub finger (@arr) returns Str is export {
        my @default = (
            "boring",
            "missing examples",
        );
      pick @arr || @default
}

sub report (@x) returns Str is export {
     my $str = '';
    my $iter = 0 ;
    for @x -> $x{
      if ++$iter == +@x {
          $str = append_last($x,$str,$iter);
        return $str;
      }else{
        $str ~= addtolist($x);
      }
    }
}    

#Autrijus' "cls"
sub clear returns Void is export{
    system(($?OS eq any<MSWin32 mingw>) ?? 'cls' :: 'clear');
}

sub max (Array @x) returns Int is export{
    my $max;
    for @x->$try{
        $max =    $max > $try ?? $max :: $try; 
    }
    $max.int
}    

sub whisper_about (Int $sizeof_crowd, Array ?@x) returns Hash is
export{
    my %terms;
    for 1 .. $sizeof_crowd {
        my $phrase = finger @x;
       %terms{$phrase}++
    }
    %terms
}

sub addtolist ($x){
    " $x,";    
}

sub append_last ($x,$string is rw,$pass){
    if $pass > 2 {
        chop $string;
        "$string and " ~  
        pick (
            "$x",
            "is $x",
            "$x, period",
            "$x, as well",
            "$x, besides",
            "$x, too",
            "$x, to boot"
            ); 
    }elsif $pass > 1 {
        chop $string;
        "$string and " ~
        pick (
            "$x",
            "is $x",
        ); 
    }else{
      "$string $x";
    }
}

sub matchval ($x,Hash %x,Int ?$cap) returns Array is export{
    my @matches; 
    my %copy = hash %x; #XXX Bug
    # say %x.ref    ; # List  
    # say %copy.ref ; # Hash
    for %copy.kv->$key,$value{
        if $value eq $x { push @matches,$key }  
        if $cap && +@matches == $cap { return @matches }
    }
    @matches
} 

sub parse_args (Str $x) returns Array is export{
    my @args = split ',', $x;
    @args
}

1;
=end