#**************************************************************************
#   Copyright (C) 2006 by Michael Andreen <harvATruinDOTnu>               *
#                                                                         *
#   This program 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.                                   *
#                                                                         *
#   This program 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 this program; if not, write to the                         *
#   Free Software Foundation, Inc.,                                       *
#   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
#**************************************************************************/
package NDIRC::Scans;
use strict;
use warnings;
use ND::DB;
use NDIRC::Access;
require Exporter;

our @ISA = qw/Exporter/;

our @EXPORT = qw/addScan addScanGroup sendScan reqScan scanReqs getScan/;

sub addScan {
	my ($id,$verbose) = @_;
	if (1){
		unless ($ND::DBH->selectrow_array(q{SELECT scan_id FROM scans WHERE NOT groupscan AND scan_id = LOWER(?) AND tick >= tick() - 168},undef,$id)){
			my @user = $ND::DBH->selectrow_array(q{SELECT uid,username, scan_points, tick() 
				FROM users WHERE hostmask ILIKE ? },undef,$ND::address);
			if ($ND::DBH->do(q{INSERT INTO scans (scan_id,tick,uid) VALUES (LOWER(?),tick(),COALESCE(?,-1))},
					undef,$id,$user[0]) == 1){
				if (@user){
					$ND::DBH->do('UPDATE users SET scan_points = scan_points + 1 WHERE uid = ? ',undef,$user[0]);
					$user[2] += 1;
					$ND::server->command("notice $ND::nick Added scan, points now $user[2]");
				}elsif ($verbose){
					$ND::server->command("msg $ND::target Added scan, but unknown user, no points");
				}
			}
		}elsif ($verbose){
			$ND::server->command("msg $ND::target a scan with that id has already been added within the last 48 ticks");
		}
	}
}
sub addScanGroup {
	my ($id,$verbose) = @_;
	if (1){
		unless ($ND::DBH->selectrow_array(q{SELECT scan_id FROM scans WHERE groupscan AND  scan_id = LOWER(?) AND tick >= tick() - 168},undef,$id)){
			my @user = $ND::DBH->selectrow_array(q{SELECT uid,username, scan_points, tick() 
				FROM users WHERE hostmask ILIKE ? },undef,$ND::address);
			if ($ND::DBH->do(q{INSERT INTO scans (scan_id,tick,groupscan,uid) VALUES (LOWER(?),tick(),true,COALESCE(?,-1))},
					undef,$id,$user[0]) == 1){
				if (@user){
					$ND::server->command("notice $ND::nick Added scan group. Points will be added after parsing.");
				}elsif ($verbose){
					$ND::server->command("msg $ND::target Added scan, but unknown user, no points");
				}
			}
		}elsif ($verbose){
			$ND::server->command("msg $ND::target a scan with that id has already been added within the last 48 ticks");
		}
	}
}

sub sendScan {
	my ($msg, $command) = @_;
	my ($target,$mess);
	if (defined $msg && $msg =~ /^(\S+) (.*)$/){
		$target = $1;
		$mess = $2;
	}else{
		$ND::server->command("notice $ND::nick syntax: $command nick message");
		return;
	}
	if (scanner()){
		$ND::server->command("msg $target ".chr(2).$mess.chr(3)."4 (reply with /msg $ND::scanchan)");
		$ND::server->command("msg $ND::target ${ND::C}3$target << $mess");
	}
}


our %scantypes;
{
	my $i = 1;
	%scantypes = map {$_ => $i++} @scantypes;
}

sub scanReqs {
	my ($msg, $command) = @_;

	if (scanner()){

		my @notype;
		if ($msg && $msg =~ /-([pdunja]+)/){
			for (split //, $1){
				push @notype, $scantypes[$scanid{$_}-1];
			}
		}

		my $reqs = $ND::DBH->prepare(q{SELECT min(sr.id) AS id, x,y,z,type
			FROM scan_requests sr
				JOIN current_planet_stats p ON p.id = sr.planet
			WHERE sr.time > NOW() - '30 min'::INTERVAL
				AND NOT EXISTS (SELECT scan_id FROM scans
					WHERE planet = sr.planet
						AND type = sr.type
						AND tick >= sr.tick
				)
				AND type <> ALL($1)
			GROUP BY x,y,z,type
			ORDER BY id
			});
		$reqs->execute(\@notype);
		my $text = '';
		while (my $req = $reqs->fetchrow_hashref){
			$text .= "$ND::B$req->{id}$ND::O http://game.planetarion.com/waves.pl?id=$scantypes{$req->{type}}&x=$req->{x}&y=$req->{y}&z=$req->{z} "
		}

		$text = 'No unhandled requests.' unless $text;
		$ND::server->command("notice $ND::nick $text");
	}
}

sub getScan {
	my ($msg, $command) = @_;

	my ($t, $x, $y, $z, $type, $tick);
	if (defined $msg && $msg =~ /^([pdunja]) (\d+)\D+(\d+)\D+(\d+)(?: (\d+))?/){
		$t = $1;
		$type =$scantypes[$scanid{$1}-1];
		($x,$y,$z) = ($2,$3,$4);
		$tick = $5;
	}else{
		$ND::server->command("notice $ND::nick syntax: $command type X:Y:Z [tick]"
			. " | type is the first character in the scan name, like p for planet scan."
			. " Specify a tick if you want scans older than the specified tick."
		);
		return;
	}

	if (my $user = member){
		my $scan = $ND::DBH->selectrow_hashref(q{
SELECT id, scan_id, tick FROM scans
WHERE type = $1 AND planet = planetid($2,$3,$4,0) AND COALESCE(tick < $5,TRUE)
ORDER BY tick DESC LIMIT 1
			},undef,$type,$x,$y,$z,$tick);
		unless ($scan->{id}){
			$ND::server->command("notice $ND::nick No such scan");
		}
		my $text = '|';
		if ($t =~ /[uja]/){
			my $fid = $ND::DBH->selectrow_array(q{
SELECT fid FROM fleet_scans WHERE id = $1
				},undef,$scan->{id});
			my $ships = $ND::DBH->prepare(q{
SELECT ship,amount FROM fleet_ships WHERE fid = $1 ORDER BY num
				});
			$ships->execute($fid);
			while (my $ship = $ships->fetchrow_hashref){
				$text .= " $ship->{ship} $ship->{amount} |"
			}
		}else{
			$text = "http://game.planetarion.com/showscan.pl?scan_id=$scan->{scan_id}";
		}
		$ND::server->command("notice $ND::nick $ND::B$type$ND::O scan of $x:$y:$z "
			. "($scan->{scan_id} pt: $ND::B$scan->{tick}$ND::O) $text");
	}
}


1;
