#!/usr/bin/env perl

# Opens what you would expect. If there is no argument passed to it
# checks if this is a GitHub repo and if so opens it with the gh tool in
# your browser. Otherwise, it checks if the argument is a file in the
# current directory and opens it with the default application (xdg-open).
# Finally, it assumes it is a URL, ensures begins with https:// and
# opens it in a new window with Firefox.


use v5.14;
$_ = shift;

`env > /tmp/env`

# git repo
if (not $_) {
    my $gh = (grep {/github/ && s,git@,, && s,:,/, && s/\.git$//}
             qx{git remote get-url --all origin})[0];
         #    $gh and exec 'firefox', '-new-window', "https://$gh";
         $gh and exec 'google-chrome', "https://$gh";
}

# markdown file
if (/\.md$/ && `which pandoc` && `which lynx`) {
    `pandoc -s -o /tmp/index.html $_ 2>/dev/null`;
    exec 'lynx', '/tmp/index.html';
}

# file
if (-r $_) {
  `which xdg-open` && exec 'xdg-open', $_;
  `which /usr/bin/open` && exec '/usr/bin/open', $_;
  `which explorer.exe` && exec 'explorer.exe', $_;
  print "Unable to open file: $_";
  exit 1;
}

# bare url
m,^http, or  s,^,https://,;
`which lynx` && exec 'lynx', $_;
`which /usr/bin/open` && exec '/usr/bin/open', $_;
`which explorer.exe` && exec 'explorer.exe', $_;
`which google-chrome` && exec 'google-chrome', $_;
my $chrome = '/System/Applications/Google\ Chrome.app';
`which $chrome` && exec "$chrome", "$_";

print "Unable to determine how to open $_\n";