package MyRedland::Controller::Metrics;

use v5.34.1;

use strict;
use warnings;

use Data::Dumper;

use MyRedland::Tracking;

use Mojo::Base 'Mojolicious::Controller';

use DateTime::Format::ISO8601;
use DateTime::Format::Mail;
use Crypt::Bcrypt qw/bcrypt bcrypt_check/;

my $tracking;

my $iso8601      = DateTime::Format::ISO8601->new;
sub request {
	shift;
	my $c = shift;
	my $app = $c->app;
	if (!defined $tracking) {
		$tracking = MyRedland::Tracking->new($app);
	}
	$tracking->register_request($c);	
}

sub stats {
	my $self = shift;
	if (!$self->valid_login) {
		$self->res->headers->location('/stats/login');
		$self->render(text => 'You must login', status => 302);
		return;
	}
	my $data = $tracking->get_global_data($self);
	my $data_per_url = $tracking->get_data_for_urls($self);
	$self->render(tracking_data => $data, tracking_by_url => $data_per_url);
}

sub submit_login {
	my $self = shift;
	if ($self->valid_login) {
		$self->res->headers->location('/stats');
		$self->render(text => 'Already logged in.', status => 302);
		return;
	}
	my $password = $self->param('password');
	if (!defined $password) {
		$self->render(text => 'No password passed.', status => 400);
		return;
	}
	my $bcrypted_pass = $self->config->{bcrypt_pass_stats};
	if (!defined $bcrypted_pass) {
		warn "No bcrypt pass.";
		$self->render(text => 'Server error.', status => 500);
		return;
	}
	if (!bcrypt_check( $password, $bcrypted_pass->[0] )) {
		$self->render(text => 'Wrong password', status => 401);
		return;
	}
	say STDERR 'Login success.';	
	my $expiration_date = DateTime->now->add( days => 1);
	$self->session->{login} = "date_end_login:$expiration_date";
	$self->res->headers->location('/stats');
	$self->render(text => 'Login success.', status => 302);
	return;
}

sub valid_login {
	my $self = shift;
	my $login_cookie = $self->session->{login};
	if (!defined  $login_cookie) {
		return;
	}

	my ($date_text) = $login_cookie =~ /^date_end_login:(.*)$/;
	my $date;
	eval {
		$date = $iso8601->parse_datetime($date_text);	
	};
	if ($@) {
		warn "Bad date in cookie $login_cookie.";
		return;
	}
	my $current_date = DateTime->now();
	if ($current_date > $date) {
		return;
	}
	return 1;
}

sub login {
	my $self = shift;
	if ($self->valid_login) {
		$self->res->headers->location('/stats');
		$self->render(text => 'You are already logged in.', status => 302);
		return;
	}
	$self->render;
}
1;