#!bin/tarbaby

#ABSTRACT: PSGI application which simplifies migrating legacy/cgi applications to PSGI, but also has advanced features for normal psgi apps

use strict;
use warnings;

use Cwd;
use FindBin::libs;
use File::Basename qw{dirname};

use TPSGI;

my %options = main(@ARGV);

=head1 USAGE

tpsgi ... starman options

tpsgi obeys a config file, ~/.tpsgi.ini which is in Config::Simple (key=value) format, with the keys being:

    verbose     # Whether to print all log messages or not
    custom_log  # Custom location for default (rotated) log
    routers     # Router module(s), separate with comma.  Relative to TPSGI install dir.
    indices     # Dirindex files.  In addition to index.html, index.htm, index.cgi
    loggers     # Logger module(s), separate with comma
    auth        # Authentication module
    domain      # Domain name of the application, used by things like service files
    basedir     # Directory you want to chdir into on startup. Relative to TPSGI install dir.  Default '.'
    user        # Who to run as
    http_user   # Who's proxying this application (used for statics)
    autoreload  # Whether or not to automatically reload the application when library files change. Default 0.

The idea is that this application is going to be run in a chroot with the user's homedir being the application dir.
This is why the various paths asked for are relative to the tPSGI install dir.

=cut

sub main {
    my (@args) = @_;

    my %options = TPSGI::get_config();
    foreach my $route (@{$options{routers}}) {
        my $libdir = dirname($route);
        push(@INC, $libdir);
    }

    return %options;
}

our $app = sub {
    umask 0022;

    # Change your dir into whatever basedir you need to be in
    chdir("$options{tpsgi_dir}/$options{basedir}") or die "Can't chdir into $options{tpsgi_dir}/$options{'basedir'}: $!";

    # Profiler is opt-in: set NYTPROF env var to enable.
    # The default path is used when NYTPROF is set without a file= clause.
    if ($ENV{NYTPROF}) {
        $ENV{NYTPROF} = "sigexit=1:savesrc=0:start=no:file=$options{tpsgi_dir}/prof/nytprof.out"
            unless $ENV{NYTPROF} =~ /file=/;
        require Devel::NYTProf;
        mkdir "$options{tpsgi_dir}/prof";
    }

    my $self = TPSGI->new(%options);

    # TPSGI::app already catches all _app exceptions internally.
    # This outer eval is a last-resort safety net only.
    my $result = eval { $self->app(@_) };
    return $result if defined $result;

    my $env = $_[0];
    $env->{'psgi.errors'}->print($@) if $env && ref $env eq 'HASH' && $env->{'psgi.errors'};
    return [500, ['Content-Type', 'text/plain', 'Content-Length', 21], ['Internal Server Error']];
};