#! /usr/bin/perl -w 

use warnings "all";
use strict;
use Data::Dumper;

use config;
use params;
use log;
use template;
use auth;
use roles;
use uac;
use studios;
use series;
use localization;

my $r=shift;
(my $cgi, my $params, my $error)=params::get($r);

my $config		=config::get('../config/config.cgi');
my $debug		=$config->{system}->{debug};

my ($user,$expires)  = auth::get_user($cgi, $config);
return if ($user eq '');

my $permissions=roles::get_user_permissions();
my $user_presets=uac::get_user_presets($config, {
    user       => $user, 
    project_id => $params->{project_id}, 
    studio_id  => $params->{studio_id}
});
$params->{default_studio_id}=$user_presets->{studio_id};
$params->{studio_id}=$params->{default_studio_id} if ((!(defined $params->{action}))||($params->{action}eq'')||($params->{action}eq'login'));
$params->{project_id}=$user_presets->{project_id} if ((!(defined $params->{action}))||($params->{action}eq'')||($params->{action}eq'login'));

my $request={
	url	=> $ENV{QUERY_STRING}||'',
	params	=> {
		original => $params,
		checked  => check_params($params), 
	},
};
$request = uac::prepare_request($request, $user_presets);
log::init($request);

$params=$request->{params}->{checked};

#process header
my $headerParams=uac::set_template_permissions($request->{permissions}, $params);
$headerParams->{loc} = localization::get($config, {user=>$user, file=>'menu'});
template::process('print', template::check('default.html'), $headerParams);
return unless uac::check($config, $params, $user_presets)==1;

print q{
	<link rel="stylesheet" href="css/projects.css" type="text/css" /> 
	<script src="js/datetime.js"  type="text/javascript"></script>
	<script src="js/projects.js"  type="text/javascript"></script>
};

if (defined $params->{action}){
	save_project  ($config, $request) if ($params->{action} eq 'save');
	delete_project($config, $request) if ($params->{action} eq 'delete');
    assign_studio($config, $request) if ($params->{action} eq 'assign_studio');
    unassign_studio($config, $request) if ($params->{action} eq 'unassign_studio');
}
$config->{access}->{write}=0;
show_projects ($config, $request);

sub delete_project{
	my $config=shift;
	my $request=shift;

	my $permissions=$request->{permissions};
	unless ($permissions->{delete_project}==1){
		uac::permissions_denied('delete_project');
		return;
	}

	my $params=$request->{params}->{checked};
	my $columns=project::get_columns($config);

	my $entry={};
	for my $param (keys %$params){
		if (defined $columns->{$param}){
			$entry->{$param}=$params->{$param}||'';
		}
	}

    my $project_id=$params->{pid}||'';
    
	if ($project_id ne ''){
		$config->{access}->{write}=1;
        $entry->{project_id}=$project_id;
        delete $entry->{studio_id};
		project::delete($config, $entry);
    	uac::print_info("Project deleted");
	}
}

sub save_project{
	my $config=shift;
	my $request=shift;

	my $params=$request->{params}->{checked};
	my $permissions=$request->{permissions};

    #filter entry for studio columns
	my $columns=project::get_columns($config);
	my $entry={};
	for my $param (keys %$params){
		if (defined $columns->{$param}){
			$entry->{$param}=$params->{$param}||'';
		}
	}
	
    my $project_id=$params->{pid}||'';
	if ($project_id ne ''){
	    unless ($permissions->{update_project}==1){
		    uac::permissions_denied('update_project');
		    return;
	    }
        $entry->{project_id}=$project_id;
        delete $entry->{studio_id};

    	$config->{access}->{write}=1;
		project::update($config, $entry);
    	$config->{access}->{write}=0;
        uac::print_info("project saved");
	}else{
	    unless ($permissions->{create_project}==1){
		    uac::permissions_denied('create_project');
		    return;
	    }
        my $projects=project::get($config, {name=>$entry->{name}});
        if(@$projects>0){
            uac::print_error("project with name '$entry->{name}' already exists");
            return;
        }
        delete $entry->{project_id};
        delete $entry->{studio_id};

    	$config->{access}->{write}=1;
		project::insert($config, $entry);
    	$config->{access}->{write}=0;
        uac::print_info("project created");
	}
}

sub assign_studio{
	my $config=shift;
	my $request=shift;

	my $params=$request->{params}->{checked};
	my $permissions=$request->{permissions};
	unless ($permissions->{assign_project_studio}==1){
		uac::permissions_denied('assign_project_studio');
		return;
	}

    for my $param ('pid','sid'){
        unless (defined $params->{$param}){
		    uac::print_error('missing '.$param);
		    return;
        }
    }
    $config->{access}->{write}=1;
    project::assign_studio($config, {
        project_id => $params->{pid},
        studio_id  => $params->{sid}
    });
    $config->{access}->{write}=0;
    uac::print_info("project assigned");

}

# TODO: unassign series from studio 
sub unassign_studio{
	my $config=shift;
	my $request=shift;

	my $params=$request->{params}->{checked};
	my $permissions=$request->{permissions};
	unless ($permissions->{assign_project_studio}==1){
		uac::permissions_denied('assign_project_studio');
		return;
	}

    for my $param ('pid','sid'){
        unless (defined $params->{$param}){
		    uac::print_error('missing '.$param);
		    return;
        }
    }
    $config->{access}->{write}=1;
    project::unassign_studio($config, {
        project_id => $params->{pid},
        studio_id  => $params->{sid}
    });
    $config->{access}->{write}=0;
    uac::print_info("project unassigned");

}

sub show_projects{
	my $config=shift;
	my $request=shift;

	my $params=$request->{params}->{checked};
	my $permissions=$request->{permissions};

	unless ($permissions->{read_project}==1){
		uac::permissions_denied('read_project');
		return;
	}

	my $projects=project::get($config);
	my $studios =studios::get($config);
    my @projects=reverse sort {$a->{end_date} cmp $b->{end_date}} (@$projects);
    $projects=\@projects;

    for my $project (@$projects){
        # get assigned studios
        my $project_studio_assignements=project::get_studio_assignments($config, {project_id=>$project->{project_id}});
        $project->{pid}=$project->{project_id};

        # get assigned studios by id
        my $assigned_studio_by_id={};
        for my $studio (@$project_studio_assignements){
            $assigned_studio_by_id->{$studio->{studio_id}}=1;
        }

        my $assigned_studios=[];
        my $unassigned_studios=[];
        for my $studio (@$studios){
            my %studio=%$studio;
            $studio=\%studio;
            $studio->{pid}=$project->{pid};
            $studio->{sid}=$studio->{id};
            if (defined $assigned_studio_by_id->{$studio->{id}}){
                push @$assigned_studios, $studio;
            }else{
                push @$unassigned_studios, $studio;
            }
        }
        $project->{assigned_studios}   = $assigned_studios;
        $project->{unassigned_studios} = $unassigned_studios;
    }

	$params->{projects}= $projects;
    $params->{loc} = localization::get($config, {user=>$params->{presets}->{user}, file=>'projects'});
    uac::set_template_permissions($permissions, $params);

	template::process('print', $params->{template}, $params);
}

sub check_params{
	my $params=shift;

	my $checked={};

	#template
	my $template='';
	$template=template::check($params->{template},'projects');
	$checked->{template}=$template;

	#actions
	my $action='';
	if (defined $params->{action}){
		if ($params->{action}=~/^(save|delete|assign_studio|unassign_studio)$/){
			$checked->{action}=$params->{action};
		}
	}

	for my $param ('name', 'title', 'subtitle', 'start_date', 'end_date', 'image', 'email'){
		if (defined $params->{$param}){
			$checked->{$param}=$params->{$param};
		}
	}

	#numeric values
	for my $param ('project_id', 'studio_id', 'default_studio_id', 'pid', 'sid'){
		if ((defined $params->{$param})&&($params->{$param}=~/^\d+$/)){
			$checked->{$param}=$params->{$param};
		}
	}
    if (defined $checked->{studio_id}){
        $checked->{default_studio_id}=$checked->{studio_id};
    }else{
        $checked->{studio_id}=-1;
    }

	return $checked;
}