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# be more regular before we can expect interoperability between find2perl
# and a system find(1)
#
# keys for the test file list:
#   name - required
#   type - type of file to create:
#      "f" regular file, "d" directory, "l" link to target,
#      "s" symlink to target
#   atime, mtime - file times (default now)
#   mode - file mode (default per umask)
#   content - file content for type f files
#   target - target for link for type l and s
#
# I could have simply written code to create all the files, but I think
# this makes the file tree a little more obvious
use constant HOUR => 3600; # an hour in seconds
my @test_files =
    (
        { name => "abc" },
        { name => "acc", mtime => time() - HOUR * 48 },
        { name => "adc", atime => time() - HOUR * 2 },
        { name => "ac", content => "x" x 10 },
        { name => "somedir", type => "d" },
        { name => "link", type => "l", target => "abc" },
        { name => "symlink", type => "s", target => "brokenlink" },
    );

# MSYS implements symlink() by copying files and will die() file does
# not exist.
pop @test_files if $^O eq 'msys';

# make some files to search
for my $spec (@test_files) {
    my $file = catfile($tmpdir, split '/', $spec->{name});
    my $type = $spec->{type} || "f";
    if ($type eq "f") {
        open my $fh, ">", $file
            or die "Cannot create test file $file: $!";
        if ($spec->{content}) {
            binmode $fh;
            print $fh $spec->{content};
        }
        close $fh
            or die "Cannot close $file: $!";
    }
    elsif ($type eq "d") {
        mkdir $file
            or die "Cannot create test directory $file: $!";
    }
    elsif ($type eq "l") {
        my $target = catfile($tmpdir, split '/', $spec->{target});
        link $target, $file
            or die "Cannot create test link $file: $!";
    }
    elsif ($type eq "s") {
        my $target = catfile($tmpdir, split '/', $spec->{target});
        symlink $target, $file
            or die "Cannot create test symlink $file: $!";
    }
    if ($spec->{mode}) {
        chmod $spec->{mode}, $file
            or die "Cannot set mode of test file $file: $!";
    }
    if ($spec->{mtime} || $spec->{atime}) {
        # default the times to now, since we just created the files
        my $mtime = $spec->{mtime} || time();
        my $atime = $spec->{atime} || time();
        utime $atime, $mtime, $file
            or die "Cannot set times of test file $file: $!";
    }
}

# do we have a vaguely sane find(1)?
# BusyBox find is non-POSIX - it doesn't have -links
my @files = sort `find '$tmpdir' '(' -name 'abc' -o -name 'acc' ')' -a -links +0`;
@files == 2 && $files[0] =~ /\babc\n\z/ && $files[1] =~ /\bacc\n\z/
    or skip_all("doesn't appear to be a sane find(1)");

# required keys:
#   args - find search spec as an array ref
# optional:
#   name - short description of the test (defaults to args)
#   expect - an array ref of files expected to be found (skips the find(1) call)
#   TODO - why this test is TODO (if it is), if a code reference that is
#          called to check if the test is TODO (and why)
#   SKIP - return a message for why to skip
my @testcases =
    (
        {
            name => "all files",
            args => [],
        },
        {
            name => "mapping of *",
            args => [ "-name", "a*c" ],
        },
        {
            args => [ "-type", "d" ],
            expect => [ "", "somedir" ],
        },
        {
            args => [ "-type", "f" ],
        },
        {
            args => [ "-mtime", "+1" ],
            expect => [ "acc" ],
        },
        {
            args => [ "-mtime", "-1" ],
        },
        {
            args => [ "-amin", "+118" ],
            expect => [ "adc" ],
        },
        {
            args => [ "-amin", "-118" ],
        },
        {
            args => [ "-size", "10c" ],
            expect => [ "ac" ],
        },