%!PS

% begin included library code
% see https://codeberg.org/Firedrake/postscript-libraries/
/test.start {
    print (:) print
    /test.pass 0 def
    /test.count 0 def
} bind def

/enumerate.array {
    1 dict begin
    /a exch def
    [
      0 1 a length 1 sub {
          [ exch dup a exch get ]
      } for
    ]
    end
} bind def

/values { % dict -> array of dict values
    [ exch
      {
          exch pop
      } forall
    ]
} bind def

/listmax {
    { max } reduce
} bind def

/test.end {
    ( ) print
    test.count 0 gt {
        (Passed ) print
        test.pass (...) cvs print
        (/) print
        test.count (...) cvs print
        ( \() print
        test.pass 100 mul test.count idiv (...) cvs print
        (%\)) print
        (\r\n) print
    } if
} bind def

/reduce { % array proc -> value
    2 dict begin
    /p exch def
    /a exch def
    a 0 get
    1 1 a length 1 sub {
        a exch get
        p
    } for
    end
} bind def


/c.islower {
    dup 97 ge exch 122 le and
} bind def

/s2a {
    [ exch { } forall ]
} bind def

/c.isdigit {
    dup 48 ge exch 57 le and
} bind def

/keys { % dict -> array of dict keys
    [ exch
      {
          pop
      } forall
    ]
} bind def

/dget {
    3 1 roll
    2 copy
    known {
        get exch pop
    } {
        pop pop
    } ifelse
} bind def

/test {
    /test.count test.count 1 add def
    {
        /test.pass test.pass 1 add def
    } {
        ( ) print
        test.count (....) cvs print
        (-fail) print
    } ifelse
} bind def

/c.isupper {
    dup 65 ge exch 90 le and
} bind def


% end included library code

/strongpassword {
    0 dict begin
    /ctypes 0 dict def
    /reps 0 def
    /rep 0 def
    /old 64 def
    /a exch def
    [
        0
        a s2a enumerate.array {
            aload pop
            /c exch def
            /i exch def
            i 0 gt c old eq and {
                /rep rep 1 add def
                rep 2 ge {
                    /reps reps 1 add def
                } if
            } {
                /rep 0 def
                /old c def
            } ifelse
            /t 0 def
            1 {
                c c.isupper {
                    /t 1 def
                    exit
                } if
                c c.islower {
                    /t 2 def
                    exit
                } if
                c c.isdigit {
                    /t 3 def
                } if
            } repeat
            ctypes t 2 copy 0 dget 1 add put
        } forall
        reps
        ctypes 0 undef
        /k ctypes keys length def
        k 3 lt {
            /spare ctypes values { add } reduce k sub def
            spare 0 lt {
                spare neg
            } if
        } if
        a length 6 lt {
            6 a length sub
        } if
    ] listmax
    end
} bind def

(strongpassword) test.start
(a) strongpassword 5 eq test
(aB2) strongpassword 3 eq test
(PaaSW0rd) strongpassword 0 eq test
(Paaasw0rd) strongpassword 1 eq test
(aaaaa) strongpassword 3 eq test
test.end