#!/usr/bin/perl -T
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.

use 5.10.1;
use strict;
use warnings;

use lib qw(. lib);

use Bugzilla;
use Bugzilla::Constants;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::Group;
use Bugzilla::Product;
use Bugzilla::Component;
use Bugzilla::Classification;
use Bugzilla::Token;

#
# Preliminary checks:
#

my $user  = Bugzilla->login(LOGIN_REQUIRED);
my $whoid = $user->id;

my $dbh      = Bugzilla->dbh;
my $cgi      = Bugzilla->cgi;
my $template = Bugzilla->template;
my $vars     = {};

# Remove this as soon as the documentation about products has been
# improved and each action has its own section.
$vars->{'doc_section'} = 'administering/categorization.html#products';

print $cgi->header();

$user->in_group('editcomponents')
  || scalar(@{$user->get_products_by_permission('editcomponents')})
  || ThrowUserError("auth_failure",
  {group => "editcomponents", action => "edit", object => "products"});

#
# often used variables
#
my $classification_name = trim($cgi->param('classification') || '');
my $product_name        = trim($cgi->param('product')        || '');
my $action              = trim($cgi->param('action')         || '');
my $token               = $cgi->param('token');

#
# product = '' -> Show nice list of classifications (if
# classifications enabled)
#

if ( Bugzilla->params->{'useclassification'}
  && !$classification_name
  && !$product_name)
{
  my $class;
  if ($user->in_group('editcomponents')) {
    $class = [Bugzilla::Classification->get_all];
  }
  else {
    # Only keep classifications containing at least one product
    # which you can administer.
    my $products  = $user->get_products_by_permission('editcomponents');
    my %class_ids = map { $_->classification_id => 1 } @$products;
    $class = Bugzilla::Classification->new_from_list([keys %class_ids]);
  }
  $vars->{'classifications'} = $class;

  $template->process("admin/products/list-classifications.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}


#
# action = '' -> Show a nice list of products, unless a product
#                is already specified (then edit it)
#

if (!$action && !$product_name) {
  my $classification;
  my $products;

  if (Bugzilla->params->{'useclassification'}) {
    $classification = Bugzilla::Classification->check($classification_name);
    $products       = $user->get_selectable_products($classification->id);
    $vars->{'classification'} = $classification;
  }
  else {
    $products = $user->get_selectable_products;
  }

  # If the user has editcomponents privs for some products only,
  # we have to restrict the list of products to display.
  unless ($user->in_group('editcomponents')) {
    $products = $user->get_products_by_permission('editcomponents');
    if (Bugzilla->params->{'useclassification'}) {
      @$products = grep { $_->classification_id == $classification->id } @$products;
    }
  }
  $vars->{'products'}      = $products;
  $vars->{'showbugcounts'} = $cgi->param('showbugcounts') ? 1 : 0;

  $template->process("admin/products/list.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}


#
# action='add' -> present form for parameters for new product
#
# (next action will be 'new')
#

if ($action eq 'add') {

  # The user must have the global editcomponents privs to add
  # new products.
  $user->in_group('editcomponents')
    || ThrowUserError("auth_failure",
    {group => "editcomponents", action => "add", object => "products"});

  if (Bugzilla->params->{'useclassification'}) {
    my $classification = Bugzilla::Classification->check($classification_name);
    $vars->{'classification'} = $classification;
  }
  $vars->{'token'} = issue_session_token('add_product');

  $template->process("admin/products/create.html.tmpl", $vars)
    || ThrowTemplateError($template->error());

  exit;
}


#
# action='new' -> add product entered in the 'action=add' screen
#

if ($action eq 'new') {

  # The user must have the global editcomponents privs to add
  # new products.
  $user->in_group('editcomponents')
    || ThrowUserError("auth_failure",
    {group => "editcomponents", action => "add", object => "products"});

  check_token_data($token, 'add_product');

  Bugzilla::User::match_field({
    'initialowner'     => {'type' => 'single'},
    'initialqacontact' => {'type' => 'single'},
    'initialcc'        => {'type' => 'multi'},
  });

  my %product_create_params = (
    classification     => $classification_name,
    name               => $product_name,
    description        => scalar $cgi->param('description'),
    version            => scalar $cgi->param('version'),
    defaultmilestone   => scalar $cgi->param('defaultmilestone'),
    isactive           => scalar $cgi->param('is_active'),
    create_series      => scalar $cgi->param('createseries'),
    allows_unconfirmed => scalar $cgi->param('allows_unconfirmed'),
  );

  $dbh->bz_start_transaction();
  my $product = Bugzilla::Product->create(\%product_create_params);

  my @initial_cc              = $cgi->param('initialcc');
  my %component_create_params = (
    product          => $product,
    name             => trim($cgi->param('component') || ''),
    description      => scalar $cgi->param('comp_desc'),
    initialowner     => scalar $cgi->param('initialowner'),
    initialqacontact => scalar $cgi->param('initialqacontact'),
    initial_cc       => \@initial_cc,
    create_series    => scalar $cgi->param('createseries'),
  );

  Bugzilla::Component->create(\%component_create_params);
  $dbh->bz_commit_transaction();

  delete_token($token);

  $vars->{'message'} = 'product_created';
  $vars->{'product'} = $product;
  if (Bugzilla->params->{'useclassification'}) {
    $vars->{'classification'}
      = new Bugzilla::Classification($product->classification_id);
  }
  $vars->{'token'} = issue_session_token('edit_product');

  $template->process("admin/products/edit.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

#
# action='del' -> ask if user really wants to delete
#
# (next action would be 'delete')
#

if ($action eq 'del') {
  my $product = $user->check_can_admin_product($product_name);

  if (Bugzilla->params->{'useclassification'}) {
    $vars->{'classification'}
      = new Bugzilla::Classification($product->classification_id);
  }
  $vars->{'product'} = $product;
  $vars->{'token'}   = issue_session_token('delete_product');

  Bugzilla::Hook::process('product_confirm_delete', {vars => $vars});

  $template->process("admin/products/confirm-delete.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

#
# action='delete' -> really delete the product
#

if ($action eq 'delete') {
  my $product = $user->check_can_admin_product($product_name);
  check_token_data($token, 'delete_product');

  $product->remove_from_db(
    {delete_series => scalar $cgi->param('delete_series')});
  delete_token($token);

  $vars->{'message'}              = 'product_deleted';
  $vars->{'product'}              = $product;
  $vars->{'no_edit_product_link'} = 1;

  if (Bugzilla->params->{'useclassification'}) {
    $vars->{'classifications'}
      = $user->in_group('editcomponents')
      ? [Bugzilla::Classification->get_all]
      : $user->get_selectable_classifications;

    $template->process("admin/products/list-classifications.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
  }
  else {
    my $products = $user->get_selectable_products;

    # If the user has editcomponents privs for some products only,
    # we have to restrict the list of products to display.
    unless ($user->in_group('editcomponents')) {
      $products = $user->get_products_by_permission('editcomponents');
    }
    $vars->{'products'} = $products;

    $template->process("admin/products/list.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
  }
  exit;
}

#
# action='edit' -> present the 'edit product' form
# If a product is given with no action associated with it, then edit it.
#
# (next action would be 'update')
#

if ($action eq 'edit' || (!$action && $product_name)) {
  my $product = $user->check_can_admin_product($product_name);

  if (Bugzilla->params->{'useclassification'}) {
    $vars->{'classification'}
      = new Bugzilla::Classification($product->classification_id);
  }
  $vars->{'product'} = $product;
  $vars->{'token'}   = issue_session_token('edit_product');

  $template->process("admin/products/edit.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

#
# action='update' -> update the product
#
if ($action eq 'update') {
  check_token_data($token, 'edit_product');
  my $product_old_name = trim($cgi->param('product_old_name') || '');
  my $product          = $user->check_can_admin_product($product_old_name);

  $product->set_all({
    name               => $product_name,
    description        => scalar $cgi->param('description'),
    is_active          => scalar $cgi->param('is_active'),
    allows_unconfirmed => scalar $cgi->param('allows_unconfirmed'),
    default_milestone  => scalar $cgi->param('defaultmilestone'),
  });

  my $changes = $product->update();

  delete_token($token);

  if (Bugzilla->params->{'useclassification'}) {
    $vars->{'classification'}
      = new Bugzilla::Classification($product->classification_id);
  }
  $vars->{'product'} = $product;
  $vars->{'changes'} = $changes;

  $template->process("admin/products/updated.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

#
# action='editgroupcontrols' -> display product group controls
#

if ($action eq 'editgroupcontrols') {
  my $product = $user->check_can_admin_product($product_name);

  $vars->{'product'} = $product;
  $vars->{'token'}   = issue_session_token('edit_group_controls');

  $template->process("admin/products/groupcontrol/edit.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

#
# action='updategroupcontrols' -> update product group controls
#

if ($action eq 'updategroupcontrols') {
  my $product = $user->check_can_admin_product($product_name);
  check_token_data($token, 'edit_group_controls');

  my @now_na        = ();
  my @now_mandatory = ();
  foreach my $f ($cgi->param()) {
    if ($f =~ /^membercontrol_(\d+)$/) {
      my $id = $1;
      if ($cgi->param($f) == CONTROLMAPNA) {
        push @now_na, $id;
      }
      elsif ($cgi->param($f) == CONTROLMAPMANDATORY) {
        push @now_mandatory, $id;
      }
    }
  }
  if (!defined $cgi->param('confirmed')) {
    my $na_groups;
    if (@now_na) {
      $na_groups = $dbh->selectall_arrayref(
        'SELECT groups.name, COUNT(bugs.bug_id) AS count
                       FROM bugs
                 INNER JOIN bug_group_map
                         ON bug_group_map.bug_id = bugs.bug_id
                 INNER JOIN `groups`
                         ON bug_group_map.group_id = groups.id
                      WHERE groups.id IN (' . join(', ', @now_na) . ')
                        AND bugs.product_id = ? ' . $dbh->sql_group_by('groups.name'),
        {'Slice' => {}}, $product->id
      );
    }

    # return the mandatory groups which need to have bug entries
    # added to the bug_group_map and the corresponding bug count

    my $mandatory_groups;
    if (@now_mandatory) {
      $mandatory_groups = $dbh->selectall_arrayref(
        'SELECT groups.name,
                           (SELECT COUNT(bugs.bug_id)
                              FROM bugs
                             WHERE bugs.product_id = ?
                               AND bugs.bug_id NOT IN
                                (SELECT bug_group_map.bug_id FROM bug_group_map
                                  WHERE bug_group_map.group_id = groups.id))
                           AS count
                      FROM `groups`
                     WHERE groups.id IN (' . join(', ', @now_mandatory) . ')
                     ORDER BY groups.name', {'Slice' => {}}, $product->id
      );

      # remove zero counts
      @$mandatory_groups = grep { $_->{count} } @$mandatory_groups;

    }
    if ( ($na_groups && scalar(@$na_groups))
      || ($mandatory_groups && scalar(@$mandatory_groups)))
    {
      $vars->{'product'}          = $product;
      $vars->{'na_groups'}        = $na_groups;
      $vars->{'mandatory_groups'} = $mandatory_groups;
      $template->process("admin/products/groupcontrol/confirm-edit.html.tmpl", $vars)
        || ThrowTemplateError($template->error());
      exit;
    }
  }

  my $groups = Bugzilla::Group->match({isactive => 1, isbuggroup => 1});
  foreach my $group (@$groups) {
    my $group_id = $group->id;
    $product->set_group_controls(
      $group,
      {
        entry         => scalar $cgi->param("entry_$group_id")         || 0,
        membercontrol => scalar $cgi->param("membercontrol_$group_id") || CONTROLMAPNA,
        othercontrol  => scalar $cgi->param("othercontrol_$group_id")  || CONTROLMAPNA,
        canedit       => scalar $cgi->param("canedit_$group_id")       || 0,
        editcomponents => scalar $cgi->param("editcomponents_$group_id") || 0,
        editbugs       => scalar $cgi->param("editbugs_$group_id")       || 0,
        canconfirm     => scalar $cgi->param("canconfirm_$group_id")     || 0
      }
    );
  }
  my $changes = $product->update;

  delete_token($token);

  $vars->{'product'} = $product;
  $vars->{'changes'} = $changes;

  $template->process("admin/products/groupcontrol/updated.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

# No valid action found
ThrowUserError('unknown_action', {action => $action});
