#!/usr/bin/perl -w
#
# usage: ./db-idempotent-populate <Oceanname>
#  creates or updates OCEAN-Oceanname.db
#  from master-master.txt

# 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 DBI;

use Commods;

@ARGV==1 or die;
my ($ocean) = @ARGV;

my $dbfn= "OCEAN-$ocean.db";

our $dbh;

sub dbdoall ($) {
    foreach my $cmd (split /\;/, $_[0]) {
	$dbh->do("$cmd;") if $cmd =~ m/\S/;
    }
}

$dbh= DBI->connect("dbi:SQLite:$dbfn",'','',
		   { AutoCommit=>0,
		     RaiseError=>1, ShowErrorStatement=>1,
		     unicode=>1 })
    or die "$dbfn $DBI::errstr ?";

foreach my $bs (qw(buy sell)) {
    dbdoall(<<END)
 CREATE TABLE IF NOT EXISTS $bs (
	commodid	INTEGER			NOT NULL,
	islandid	INTEGER			NOT NULL,
	stallid		INTEGER			NOT NULL,
	price		INTEGER,
	qty		INTEGER,
	PRIMARY KEY (commodid, islandid, stallid)
 );
 CREATE INDEX IF NOT EXISTS ${bs}_by_island ON $bs (commodid, islandid, price);
 CREATE INDEX IF NOT EXISTS ${bs}_by_price  ON $bs (commodid, price, islandid);
END
    ;
}

dbdoall(<<END)
 CREATE TABLE IF NOT EXISTS commodities (
	commodid	INTEGER	PRIMARY KEY AUTOINCREMENT NOT NULL,
	commodname	TEXT	UNIQUE		NOT NULL,
	unitmass	INTEGER,
	unitvolume	INTEGER
 );
 CREATE TABLE IF NOT EXISTS islands (
	islandid	INTEGER	PRIMARY KEY AUTOINCREMENT NOT NULL,
	islandname	TEXT	UNIQUE		NOT NULL,
	archipelago	TEXT			NOT NULL
 );
 CREATE TABLE IF NOT EXISTS stalls (
	stallid		INTEGER	PRIMARY KEY AUTOINCREMENT NOT NULL,
	islandid	INTEGER			NOT NULL,
	stallname	TEXT			NOT NULL,
	UNIQUE (islandid, stallname)
 );
 CREATE TABLE IF NOT EXISTS uploads (
	islandid	INTEGER PRIMARY KEY	NOT NULL,
	age		INTEGER			NOT NULL,
	clientspec	TEXT			NOT NULL,
	serverspec	TEXT			NOT NULL
 );
 CREATE TABLE IF NOT EXISTS distances (
	aiid		INTEGER			NOT NULL,
	biid		INTEGER			NOT NULL,
	distance	INTEGER			NOT NULL,
	PRIMARY KEY (aiid, biid)
 );
END
    ;

$dbh->commit;

parse_masters();

{
    my $sth= $dbh->prepare(<<'END')
 INSERT OR IGNORE INTO commodities (commodname) values (?);
END
    ;
    foreach my $commod (sort keys %commods) {
	$sth->execute($commod);
    }
    $dbh->commit;
}