#!/usr/bin/perl -w

# helper program for determining pixmap resolution options

# This is part of ypp-sc-tools, a set of third-party tools for assisting
# players of Yohoho Puzzle Pirates.
#
# Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
# Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
# are used without permission.  This program is not endorsed or
# sponsored by Three Rings.

use strict (qw(vars));
use LWP::UserAgent;
use JSON;
use Data::Dumper;

@ARGV==1 or die "You probably don't want to run this program directly.\n";
our ($which) = shift @ARGV;

$which =~ s/\W//g;

our ($pctb) = $ENV{'YPPSC_PCTB_PCTB'};  die unless $pctb;
our ($ua)= LWP::UserAgent->new;
our $jsonresp;

sub jparsetable ($$) {
    my ($jobj,$wh) = @_;
    my $jtab= $jobj->{$wh};
    die "$jsonresp $wh ?" unless defined $jtab;
    my $cns= $jtab->{'colNames'};  die "$jsonresp $wh ?" unless defined $cns;
    my $ad= $jtab->{'arrayData'};  die "$jsonresp $wh ?" unless defined $ad;
    my @o=();
    foreach my $ai (@$ad) {
	@$ai == @$cns or die "$jsonresp $wh ".scalar(@o)."?";
	my $v= { };
	for (my $i=0; $i<@$cns; $i++) {
	    $v->{$cns->[$i]} = $ai->[$i];
	}
	push @o, $v;
    }
    return @o;
}
sub sort_by_name {
    sort {
	$a->{'name'} cmp $b->{'name'};
    } @_;
}

sub p ($) { print $_[0] or die $!; }
sub ptcl ($) {
    local ($_) = @_;
    die "$_ $& ?" if m/[^-+'"# 0-9a-z]/i;
    p("{$_[0]}");
}

sub json_convert_shim ($) {
    my ($json) = @_;
    # In JSON.pm 2.x, jsonToObj prints a warning to stderr which
    # our callers don't like at all.
    if ($JSON::VERSION >= 2.0) {
	return from_json($json);
    } else {
	return jsonToObj($json);
    }
}

sub get_arches_islands () {
    my $ocean= $ENV{'YPPSC_OCEAN'};  die unless $ocean;
    my $url= "$pctb/islands.php?oceanName=".uc $ocean;
    my $resp= $ua->get($url);
    die $resp->status_line unless $resp->is_success;
    $jsonresp= $resp->content;
    my $jobj= json_convert_shim($resp->content);
    my $arches= [ jparsetable($jobj, 'arches') ];
    my $islands= [ jparsetable($jobj, 'islands') ];
    return ($arches,$islands);
}

sub main__island () {
    my ($arches, $islands) = get_arches_islands();
#    print Dumper(\@arches, \@islands);
    my $islands_done=0;
    foreach my $arch (sort_by_name(@$arches)) {
#	print Dumper($arch);
	my $aname= $arch->{'name'};
	die "$jsonresp ?" unless defined $aname;
	ptcl($aname); p(' '); ptcl($aname); p(" {\n");
	foreach my $island (sort_by_name(@$islands)) {
	    my $iname= $island->{'name'};
	    die "$jsonresp $aname ?" unless defined $iname;
	    next unless $arch->{'id'} == $island->{'arch'};
	    p('    '); ptcl($iname); p(' '); ptcl($iname); p("\n");
	    $islands_done++;
	}
	p("}\n");
    }
    die "$jsonresp $islands_done ?" unless $islands_done == @$islands;
}

sub main__sunshinewidget () {
    print <<END
Land {On land} {
    Crew   Crew
    Shoppe Shoppe
    Ye     Ye
    Booty  Booty
    Ahoy!  Ahoy!
}
Vessel {On board a ship} {
    Crew   Crew
    Vessel Vessel
    Ye     Ye
    Booty  Booty
    Ahoy!  Ahoy!
}
END
    or die $!;
}

&{"main__$which"}();