#**************************************************************************
#   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::PA;
use strict;
use warnings;
use ND::DB;
use ND::Include;
use NDIRC::Access;
use NDIRC::Misc;
use POSIX;
require Exporter;

our @ISA = qw/Exporter/;

our @EXPORT = qw/shipEff shipStop parseValue prettyValue findCovOpper/;

sub shipEff {
	my ($msg,$command) = @_;
	my ($amount,$ship,$value,$target);
	my $eff = 1;
	$eff = 0 if $command =~ /stop/;
	if(defined $msg && $msg =~ /^(-?\d+(?:\.\d+)?[hkMG]?) (\w+)(?: (\w+))?/){
		$ship = "\%$2\%";
		$target = ($3 || '%');
		my $am = $1;
		if ($command =~ /^v.+$/){
			$value = parseValue($am);
			$value *= -1.5 if $value < 0;
			my $feud = '';
		}else{
			$amount = parseValue($am);
		}
	}else{
		$ND::server->command("notice $ND::nick syntax: $command amount ship [race|class] | Amount can use SI prefixes like k and M. Race or class is an optional argument, using the short form (i.e. cath or Fi)");
		return;
	}
	my $feud = '';

	my $s= $ND::DBH->selectrow_hashref(q{
		SELECT name,t1,t2,t3,"type",damage
			,metal+crystal+eonium AS cost
			,init,"class",guns,race,eres,armor
		FROM ship_stats WHERE name ILIKE ?
		}, undef, $ship);
	if ($s){
		if (defined $value){
			$amount = int(($value*100/$s->{cost}));
			$feud = '(FEUD: '.prettyValue(int($amount/0.86)).') ';
		}
		$value = prettyValue(($amount*$s->{cost}/100));
		my $name = shipColor($s->{name},$s->{type});
		my $text = prettyValue($amount)." $name ($s->{init}:$value) :";
		for my $tn ('t1','t2','t3'){
			next if ($eff && not defined $s->{$tn});
			$text .= " $ND::B${ND::C}03" . ($eff ? $s->{$tn} : $tn) . "$ND::O: ";
			my $st = q{
				SELECT name,"class","type",armor
					,metal+crystal+eonium AS cost
					,init,t1,t2,t3,eres,race
					,damage,guns
				FROM ship_stats 
				};
			if ($eff){
				$st = $ND::DBH->prepare($st . q{
				WHERE "class" = $1
					AND ("class" ILIKE $2 OR race ILIKE $2)
				});
				$st->execute($s->{$tn},$target);
			}else{
				$st = $ND::DBH->prepare($st . qq{
				WHERE $tn = \$1
					AND ("class" ILIKE \$2 OR race ILIKE \$2)
				});
				$st->execute($s->{class},$target);
			}
			while (my $t = $st->fetchrow_hashref()){
				my $number = calcEff($s,$t,$amount,$eff);
				if ($eff){
					$number *= 0.60 if $tn eq 't2';
					$number *= 0.30 if $tn eq 't3';
				}else{
					$number /= 0.60 if $tn eq 't2';
					$number /= 0.30 if $tn eq 't3';
				}
				$number = int($number);
				$value = prettyValue($number*$t->{cost}/100);
				my $name = shipColor($t->{name},$t->{type});
				$text .= " $ND::B$number$ND::O $name ($t->{init}:$value),";
			}
			chop $text;
		}
		$ND::server->command("notice $ND::nick $text");
	}
}

sub calcEff {
	my ($s,$t,$amount,$eff) = @_;

	my $number = 0;
	if ($eff){
		$number = $s->{type} eq 'Emp' ?
			($amount*$s->{guns}*(100-$t->{eres})/100)
			: ($amount*$s->{damage}/$t->{armor});
	}else{
		$number = $t->{type} eq 'Emp' ?
			($amount*100/(100 - $s->{eres})/$t->{guns})
			: ($amount*$s->{armor}/$t->{damage});
	}

	for my $tn ('t1','t2','t3'){
		my ($s1,$t1) = $eff ? ($s,$t) : ($t,$s);
		next unless (defined $t1->{$tn});
		next unless ($t1->{$tn} eq $s1->{class});

		if($t1->{init} <= $s1->{init}){
			$t->{init} = "${ND::C}04$t->{init}$ND::O";
		}else{
			$t->{init} = "${ND::C}12$t->{init}$ND::O";
		}
	}
	return $number;
}

sub shipColor {
	my ($string,$type) = @_;
	my $c = 04;
	$c = 12 if $type eq 'Emp';
	$c = 13 if $type eq 'Steal';
	return "$ND::C$c$string$ND::O";
}

1;
