#! /usr/bin/perl

# a small script that takes a sqlite3 schema and creates
# a normalized version (zaps extraneous spaces, rewrites
# everything as lowercase, sorts by table/view name)

use v5.36;

my ($object, $comment);

my $stmt = '';
while(<STDIN>) {
	chomp;
	$stmt .= " ".lc($_);
	if (m/\;/) {
		$stmt =~ s/\s+/ /g;
		$stmt =~ s/^\s//;
		$stmt =~ s/\s?\(\s?/\(/g;
		$stmt =~ s/\s?\)\s?/\)/g;
		if ($stmt =~ m/^create table (\S+)/) {
			$object->{$1} = $stmt;
		} elsif ($stmt =~ m/^create view (\S+)/) {
			$object->{$1} = $stmt;
		} else {
			say $stmt;
		}
		$stmt = '';
	}
}

for my $k (sort keys %$object) {
	if ($object->{$k} =~ m,\s/\*,) {
		say "$`\n/*$'\n";
	} else {
		say $object->{$k}, "\n";
	}
}