#!/usr/bin/perl

use strict;
use warnings;
use Text::CSV;
use FS::UID qw(adminsuidsetup);
use FS::Record qw(qsearch qsearchs dbh);
use FS::prepay_credit;
use Data::Dumper;
use Time::HiRes qw(usleep ualarm gettimeofday tv_interval);

print "started time=".time."\n";

# INSTRUCTIONS: save the spreadsheet as CSV (in ASCII), set the
# below variables, and run this script, passing in a fs username as an arg.

### SET THESE!
my $file = '/home/levinse/prepaidcards.csv';
my $amount = '11.95';
my $dry = 0;
###

my $user = shift;
adminsuidsetup $user;

local $SIG{HUP} = 'IGNORE';
local $SIG{INT} = 'IGNORE';
local $SIG{QUIT} = 'IGNORE';
local $SIG{TERM} = 'IGNORE';
local $SIG{TSTP} = 'IGNORE';
local $SIG{PIPE} = 'IGNORE';

my $oldAutoCommit = $FS::UID::AutoCommit;
local $FS::UID::AutoCommit = 0;
my $dbh = dbh;

my $skipto = 0; 
my $limit = 0;
my $linenum = 1;
my $debug = 0;

sub trim {
    my $str = shift;
    $str =~ s/^\s+|\s+$//g;
    $str;
}

sub suffer {
    my $linenum = shift;
    my @columns = @_;

    my $cardnum = trim($columns[0]);

    my $prepay_credit = new FS::prepay_credit { 'identifier' => $cardnum,
                                       'amount'     => $amount,
                                    };
    my $error = $prepay_credit->insert;
    fatal("error inserting card: $error") if $error;

    warn "Pass $linenum\n" if $debug;
    my $time = time;
    print "Done $linenum time=$time\n" if ($linenum % 1000 == 0);
}

sub fatal {
    my $msg = shift;
    $dbh->rollback if $oldAutoCommit;
    die $msg;
}

my $csv = new Text::CSV;
open (CSV, "<", $file) or die $!;
print "Starting main loop time=".time."\n";
while (<CSV>) {
    if ( $linenum == 1 ) { # skip header
        $linenum++;
        next;
    }

    if( $skipto > $linenum ) { # debug stuff
        $linenum++;
        next;
    }

    last if $limit > 0 && $limit <= $linenum;

    # kept getting these errors for many lines:
    # "EIQ - Binary character inside quoted field, binary off"
    $_ =~ s/[^[:ascii:]]//g;

    if ($csv->parse($_)) {
        my @columns = $csv->fields();
        suffer($linenum,@columns);
    } else {
        my $err = $csv->error_diag . "(" . $csv->error_input . ")";
        print "WARNING: failed to parse line $linenum: " . $csv->error_diag
            . " (" . $csv->error_input . ")\n";
    }
    $linenum++;
}
close CSV;

fatal("COMMIT ABORTED DUE TO DRY RUN BEING ON") if $dry;
$dbh->commit or die $dbh->errstr if $oldAutoCommit;