#!/usr/bin/perl

# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Koha; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

use strict;
use warnings;
use CGI;
use C4::Auth;
use C4::Serials;
use C4::Acquisition;
use C4::Output;
use C4::Bookseller;
use C4::Context;
use C4::Letters;
use C4::Branch;    # GetBranches GetBranchesLoop

my $input = CGI->new;

my $serialid = $input->param('serialid');
my $op = $input->param('op');
my $claimletter = $input->param('claimletter');
my $supplierid = $input->param('supplierid');
my $suppliername = $input->param('suppliername');
my $order = $input->param('order');
my $supplierlist = GetSuppliersWithLateIssues();
if ($supplierid) {
    foreach my $s ( @{$supplierlist} ) {
        if ($s->{id} == $supplierid ) {
            $s->{selected} = 1;
            last;
        }
    }
}

# open template first (security & userenv set here)
my ($template, $loggedinuser, $cookie)
= get_template_and_user({template_name => 'serials/claims.tmpl',
            query => $input,
            type => 'intranet',
            authnotrequired => 0,
            flagsrequired => {serials => 'claim_serials'},
            debug => 1,
            });

my @suploop;
for my $s ( sort {$a->{name} cmp $b->{name} } @$supplierlist ) {
    my @list = GetLateOrMissingIssues($s, "", $order);
    push @suploop, {
        %$s,
        count    => scalar(@list),
        selected => $s->{id} == $supplierid,
    };
}

my $letters = GetLetters('claimissues');
my @letters;
foreach (keys %{$letters}){
    push @letters ,{code=>$_,name=> $letters->{$_}};
}

my $letter=((scalar(@letters)>1) || ($letters[0]->{name}||$letters[0]->{code}));
my  @missingissues;
my @supplierinfo;
if ($supplierid) {
    @missingissues = GetLateOrMissingIssues($supplierid,$serialid,$order);
    @supplierinfo=GetBookSeller($supplierid);
}

my $branchloop = GetBranchesLoop();
unshift @$branchloop, {value=> 'all',name=>''};

my $preview=0;
if($op && $op eq 'preview'){
    $preview = 1;
} else {
    my @serialnums=$input->param('serialid');
    if (@serialnums) { # i.e. they have been flagged to generate claims
        SendAlerts('claimissues',\@serialnums,$input->param("letter_code"));
        my $cntupdate=UpdateClaimdateIssues(\@serialnums);
        ### $cntupdate SHOULD be equal to scalar(@$serialnums)
    }
}
$template->param('letters'=>\@letters,'letter'=>$letter);
$template->param(
        order =>$order,
        suploop => \@suploop,
        phone => $supplierinfo[0]->{phone},
        booksellerfax => $supplierinfo[0]->{booksellerfax},
        bookselleremail => $supplierinfo[0]->{bookselleremail},
        preview => $preview,
        missingissues => \@missingissues,
        supplierid => $supplierid,
        claimletter => $claimletter,
        supplierloop => \@supplierinfo,
        branchloop   => $branchloop,
        dateformat    => C4::Context->preference("dateformat"),
    	DHTMLcalendar_dateformat => C4::Dates->DHTMLcalendar(),
        );
output_html_with_http_headers $input, $cookie, $template->output;
