#! perl

use strict;
use warnings;
use DBI;

my $dbh;
&do_connect(\$dbh);
&create_tables($dbh);

exit;

sub do_connect {
  # my $dbh      = shift or die "code_review:do_connect: must pass in handle...$!\n";
  my $driver   = "SQLite";
  my $database = "/home/user/bmcclintock/code_review.db";
  my $username = undef;
  my $password = undef;

  my $dsn      = "DBI:$driver:database=$database";
  $dbh         = DBI->connect( $dsn, $username, $password );
}

sub create_tables {
  my $dbh = shift;

  #  Delete the table if it already exists.
  eval
    {
      local $dbh->{PrintError} = 1;
      $dbh->do("DROP TABLE review")   and print "review dropped\n";
      $dbh->do("DROP TABLE depot")    and print "depot dropped\n";
      $dbh->do("DROP TABLE reviewer") and print "reviewer dropped\n";
      die "error in dropping tables\n" if $@;
    };

  my $table = "review";
  $dbh->do("CREATE TABLE $table (key          INTEGER PRIMARY KEY,
                                 submitter    VARCHAR(50),
                                 director     VARCHAR(50),
                                 change_num   INTEGER,
                                 action       VARCHAR(20),
                                 time         DATE
                                )") or die "code_review::create_table: could not create <$table>...$!\n";
  print "\n$table created\n";

  $table = "depot";
  $dbh->do("CREATE TABLE $table (change_num   INTEGER PRIMARY KEY,
                                 depot        VARCHAR(50)
                                )") or die "code_review::create_table: could not create <$table>...$!\n";
 print "$table created\n";

  $table = "reviewer";
  $dbh->do("CREATE TABLE $table (change_num   INTEGER PRIMARY KEY,
                                 reviewed_by  VARCHAR(50)
                                )") or die "code_review::create_table: could not create <$table>...$!\n";
 print "$table created\n";

  $dbh->do("CREATE TRIGGER INS_TIMEENTER AFTER INSERT ON REVIEW
          BEGIN
            UPDATE REVIEW SET TIME = DATETIME('NOW','LOCALTIME')
              WHERE ROWID = NEW.ROWID;
          END");
  print "\ntables created\n";
}