#!/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::User;
use Bugzilla::Component;
use Bugzilla::Token;

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

# There is only one section about components in the documentation,
# so all actions point to the same page.
$vars->{'doc_section'} = 'administering/categorization.html#components';

#
# Preliminary checks:
#

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

print $cgi->header();

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

#
# often used variables
#
my $product_name = trim($cgi->param('product')   || '');
my $comp_name    = trim($cgi->param('component') || '');
my $action       = trim($cgi->param('action')    || '');
my $showbugcounts = (defined $cgi->param('showbugcounts'));
my $token         = $cgi->param('token');

#
# product = '' -> Show nice list of products
#

unless ($product_name) {
  my $selectable_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')) {
    $selectable_products = $user->get_products_by_permission('editcomponents');
  }
  $vars->{'products'}      = $selectable_products;
  $vars->{'showbugcounts'} = $showbugcounts;

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

my $product = $user->check_can_admin_product($product_name);

#
# action='' -> Show nice list of components
#

unless ($action) {
  $vars->{'showbugcounts'} = $showbugcounts;
  $vars->{'product'}       = $product;
  $template->process("admin/components/list.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

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

if ($action eq 'add') {
  $vars->{'token'}   = issue_session_token('add_component');
  $vars->{'product'} = $product;
  $template->process("admin/components/create.html.tmpl", $vars)
    || ThrowTemplateError($template->error());
  exit;
}

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

if ($action eq 'new') {
  check_token_data($token, 'add_component');

  # Do the user matching
  Bugzilla::User::match_field({
    'initialowner'     => {'type' => 'single'},
    'initialqacontact' => {'type' => 'single'},
    'initialcc'        => {'type' => 'multi'},
  });

  my $default_assignee   = trim($cgi->param('initialowner')     || '');
  my $default_qa_contact = trim($cgi->param('initialqacontact') || '');
  my $description        = trim($cgi->param('description')      || '');
  my @initial_cc         = $cgi->param('initialcc');
  my $isactive           = $cgi->param('isactive');

  my $component = Bugzilla::Component->create({
    name             => $comp_name,
    product          => $product,
    description      => $description,
    initialowner     => $default_assignee,
    initialqacontact => $default_qa_contact,
    initial_cc       => \@initial_cc,

    # XXX We should not be creating series for products that we
    # didn't create series for.
    create_series => 1,
  });

  $vars->{'message'} = 'component_created';
  $vars->{'comp'}    = $component;
  $vars->{'product'} = $product;
  delete_token($token);

  $template->process("admin/components/list.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') {
  $vars->{'token'} = issue_session_token('delete_component');
  $vars->{'comp'}
    = Bugzilla::Component->check({product => $product, name => $comp_name});
  $vars->{'product'} = $product;

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

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

if ($action eq 'delete') {
  check_token_data($token, 'delete_component');
  my $component
    = Bugzilla::Component->check({product => $product, name => $comp_name});

  $component->remove_from_db;

  $vars->{'message'}                = 'component_deleted';
  $vars->{'comp'}                   = $component;
  $vars->{'product'}                = $product;
  $vars->{'no_edit_component_link'} = 1;
  delete_token($token);

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

#
# action='edit' -> present the edit component form
#
# (next action would be 'update')
#

if ($action eq 'edit') {
  $vars->{'token'} = issue_session_token('edit_component');
  my $component
    = Bugzilla::Component->check({product => $product, name => $comp_name});
  $vars->{'comp'} = $component;

  $vars->{'initial_cc_names'}
    = join(', ', map($_->login, @{$component->initial_cc}));

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

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

#
# action='update' -> update the component
#

if ($action eq 'update') {
  check_token_data($token, 'edit_component');

  # Do the user matching
  Bugzilla::User::match_field({
    'initialowner'     => {'type' => 'single'},
    'initialqacontact' => {'type' => 'single'},
    'initialcc'        => {'type' => 'multi'},
  });

  my $comp_old_name      = trim($cgi->param('componentold')     || '');
  my $default_assignee   = trim($cgi->param('initialowner')     || '');
  my $default_qa_contact = trim($cgi->param('initialqacontact') || '');
  my $description        = trim($cgi->param('description')      || '');
  my @initial_cc         = $cgi->param('initialcc');
  my $isactive           = $cgi->param('isactive');

  my $component
    = Bugzilla::Component->check({product => $product, name => $comp_old_name});

  $component->set_name($comp_name);
  $component->set_description($description);
  $component->set_default_assignee($default_assignee);
  $component->set_default_qa_contact($default_qa_contact);
  $component->set_cc_list(\@initial_cc);
  $component->set_is_active($isactive);
  my $changes = $component->update();

  $vars->{'message'} = 'component_updated';
  $vars->{'comp'}    = $component;
  $vars->{'product'} = $product;
  $vars->{'changes'} = $changes;
  delete_token($token);

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

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