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package Fripost::Schema;

use 5.010_000;
use warnings;
use strict;

use Fripost::Schema::Search;
use Fripost::Schema::Type;
use Fripost::Schema::Type::User;
use Fripost::Schema::Type::Domain;
use Fripost::Schema::Type::Alias;

use base qw/Net::LDAP/;
our $VERSION = '0.01';


#######################################################################
# Public methods


# Change the context of the object.
sub user { $_[0]->Fripost::Schema::Type::_set_type(MAILBOX); }
sub domain { $_[0]->Fripost::Schema::Type::_set_type(DOMAIN); }
sub alias { $_[0]->Fripost::Schema::Type::_set_type(ALIAS); }


# Create the oject, and initialize a connection to the LDAP
# host.
sub new {
    my $class = shift;
    my $h = shift;

    $h->{server_host} //= 'ldap://127.0.0.1:389';
    $h->{base_dn}     //= '';

    my $self = {_options => $h};
    bless $self, $class;

    my $ldap = Net::LDAP->new ( $h->{server_host} )
        or die "Error: Cannot initialize connection to LDAP server at `"
              .$h->{server_host}. "'.\n";

    my $mesg;
    if ( (defined $h->{bind_dn}) and $h->{bind_dn} ne '' ) {
        my %bind;
        my $debug = "Binding to DN `" .$h->{bind_dn}. "'";
        if (defined $h->{bind_pw}) {
            $debug .= " (authenticated).";
            $bind{password} = $h->{bind_pw};
        }
        else {
            $debug .= " (unauthenticated).";
            $bind{noauth} = 1;
        }
        $self->_dsay( $debug );
        $mesg = $ldap->bind( $h->{bind_dn}, %bind );
    }
    else {
        # Anonymous bind
        $self->_dsay( "Anonymous bind." );
        $mesg = $ldap->bind();
    }
    die "Error: " .$mesg->error. "\n" if $mesg->code;

    $self->{_ldap} = $ldap;
    return $self;
}


# Search. Returns a `Fripost::Schema::Search'.
sub search {
    my $self = shift;
    my $res;
    if ( $self->{_type} == MAILBOX ) {
        $res = $self->Fripost::Schema::Type::User::search(@_)
    }
    elsif ( $self->{_type} == DOMAIN ) {
        $res = $self->Fripost::Schema::Type::Domain::search(@_)
    }
    elsif ( $self->{_type} == ALIAS ) {
        $res = $self->Fripost::Schema::Type::Alias::search(@_)
    }
    else {
        die "Something weird happened. Please report."
    }
    my $result = {_res => $res, _type => $self->{_type}};
    bless $result, 'Fripost::Schema::Search';
    return $result;
}


sub add {
    my $self = shift;
    if ( $self->{_type} == MAILBOX ) {
        $self->Fripost::Schema::Type::User::add(@_)
    }
    elsif ( $self->{_type} == DOMAIN ) {
        $self->Fripost::Schema::Type::Domain::add(@_)
    }
    elsif ( $self->{_type} == ALIAS ) {
        $self->Fripost::Schema::Type::Alias::add(@_)
    }
    else {
        die "Something weird happened. Please report.";
    }
}


sub passwd {
    my $self = shift;
    if ( $self->{_type} == MAILBOX ) {
        $self->Fripost::Schema::Type::User::passwd(@_);
    }
    elsif ( $self->{_type} == DOMAIN ) {
        die "Cannot change the password of a domain.";
    }
    elsif ( $self->{_type} == ALIAS ) {
        die "Cannot change the password of an alias.";
    }
    else {
        die "Something weird happened. Please report.";
    }
}


# Disconnect to the LDAP server.
sub unbind {
    $_[0]->_dsay( "Unbinding from the LDAP server." );
    $_[0]->{_ldap}->unbind();
}


# Debug print.
sub _dsay {
    my $self = shift;
    return unless (exists $self->{_options}->{debug})
              and $self->{_options}->{debug};
    print STDERR "DEBUG: ";
    say STDERR @_;
}


#######################################################################

1;

=head1 NAME

Fripost::Schema -

=head1 AUTHOR

Guilhem Moulin C<< <guilhem at fripost.org> >>

=head1 COPYRIGHT

Copyright 2012 Guilhem Moulin, all rights reserved.

=head1 LICENSE

This program is free software; you can redistribute it and/or modify it
under the same terms as perl itself.

=cut

1; # End of Schema.pm

__END__