#!/usr/bin/perl
use strict;

use Data::Dumper;
use Getopt::Std;
use POSIX qw(ceil);
use POSIX ":sys_wait_h";
use Sys::Hostname;
use Carp;

use lib '/app/tools/common/lib';
use Common::DB::Item;
use Common::Assert;
use Common::Client;

use lib '/app/tools/rps/lib';
use RPS::DB::Item::CAMechanicalRun;
use RPS::DB::Item::MechanicalRun;

my $gVerbosityLevel = 1;

# Parse the command-line options.
#
my %options;
_parseCommandLine( \%options );

my @clientIDs;
if ( $options{clientID} ) {
    push @clientIDs, $options{clientID};
} else {
    @clientIDs = _getLocalClientIDs();
}

foreach my $clientID (@clientIDs) {

    # Instantiate the application singleton object.
    #
    my $appSingleton = Common::RSApp->new( clientID => $clientID );

    _report("\n---- Updating client $clientID");

    # First fix the US mech runs
    my $usRuns = RPS::DB::Item::MechanicalRun->GetAll();
    while ( my $usRun = $usRuns->next() ) {
        _updateLabel($usRun);
    }

    # Now fix the CA mech runs
    my $caRuns = RPS::DB::Item::CAMechanicalRun->GetAll();
    while ( my $caRun = $caRuns->next() ) {
        _updateLabel($caRun);
    }

}

sub _updateLabel {
    my ($run) = @_;

    # Grab and localize the dates.
    my $startDate = Common::Client::Current()->Locale()->formatDate( $run->start_date );
    my $endDate   = Common::Client::Current()->Locale()->formatDate( $run->end_date );

    my $label = $startDate . ' - ' . $endDate;

    $run->label($label);
    $run->save();
}

sub _usage {
    print "\nusage: $0 -c client_id [-V]\n";
    print "\n";
    print "Arguments:\n";
    print "\t-c <client_id>\t\tThe client_id of the client to process\n";
    print "\t-V <N>\t\t\tVerbosity level - 0 means no output\n";
}

sub _report {
    my ( $string, $verbosity ) = @_;
    $verbosity = 1 unless defined $verbosity;

    if ( $gVerbosityLevel >= $verbosity ) {
        print $string . "\n";
    }
}

# Pass dates in 'yyyy-mm-dd' format.
#
sub _parseCommandLine {
    my ($settings) = @_;

    my %opt;
    getopts( 'c:V:', \%opt );

    $settings->{clientID} = $opt{c} if $opt{c};

    if ( defined $opt{V} ) {
        $gVerbosityLevel = $opt{V};
    }
}

sub _getLocalClientIDs {

    # We have a nifty little script that will give us a list of client databases.
    #
    my $clientListString = `/app/tools/rps/bin/db/list_client_dbs.pl`;
    chomp $clientListString;

    # Find the client id that matches each database.
    #
    my @ids;
    my @dbNames = split( / /, $clientListString );
    foreach my $dbName (@dbNames) {
        my $id = Common::RSDB::DBNameToClientID($dbName);
        if ($id) {
            push @ids, $id;
        }
    }

    return @ids;
}