class apache::debian::common {

    if ! $httpd_user {
        $httpd_user = "www-data"
    }
    if ! $httpd_group {
        $httpd_group = "www-data"
    }

    file { [ "/srv/www/http",
             "/srv/www/http/${fqdn}",
             "/srv/www/log/http",
             "/srv/www/log/http/${fqdn}", ]:
        ensure  => directory,
        mode    => 0644,
        owner   => root,
        group   => root,
        require => Package["httpd"],
        before  => File["/etc/apache2/apache2.conf"],
    }

    file { "/etc/apache2/envvars":
        ensure  => present,
        content => template("apache/apache2.envvars.erb"),
        mode    => 0644,
        owner   => root,
        group   => root,
        require => Package["httpd"],
        notify  => Service["apache2"],
    }

    file { "/etc/apache2/ports.conf":
        ensure  => present,
        content => "# HTTP server disabled\n"
        mode    => 0644,
        owner   => root,
        group   => root,
        notify  => Service["apache2"],
    }

    file { "/etc/apache2/apache2.conf":
        ensure  => present,
        content => template("apache/apache2.conf.erb"),
        mode    => 0644,
        owner   => root,
        group   => root,
        require => File["/etc/apache2/envvars", "/etc/apache2/ports.conf" ],
        notify  => Service["apache2"],
    }

    service { "apache2":
        ensure  => running,
        enable  => true,
        require => File["/etc/apache2/apache2.conf"],
    }

}


class apache::debian::server inherits apache::debian::common {

    File["/etc/apache2/ports.conf"] {
        content => "NameVirtualHost *:80\nListen80\n"
    }

}


define apache::debian::site($aliases, $root, $config, $redirect) {

    $site_conf = "/etc/apache2/sites-available/${name}.conf"

    if $name == "default" {
        $site_fqdn = $fqdn
    } else {
        $site_fqdn = $name

        if !$redirect {
            if $root {
                file { "/srv/www/http/${site_fqdn}":
                    ensure => link,
                    target => $root,
                    before => File["${site_conf}"],
                }
            } else {
                file { "/srv/www/http/${site_fqdn}":
                    ensure => directory,
                    mode   => 0755,
                    owner  => root,
                    group  => root,
                    before => File["${site_conf}"],
                }
            }

            file { "/srv/www/log/http/${site_fqdn}":
                ensure => directory,
                mode   => 0755,
                owner  => root,
                group  => root,
                before => File["${site_conf}"],
            }
        }
    }

    file { "${site_conf}":
        ensure => present,
        mode   => 0644,
        owner  => root,
        group  => root,
        notify => Service["httpd"],
    }

    if $config {
        File["${site_conf}"] {
            source => $config,
        }
    }
    if $redirect {
        File["${site_conf}"] {
            content => "<VirtualHost *:80>\n  ServerName ${site_fqdn}\n  Redirect permanent / ${redirect}\n</VirtualHost>\n",
        }
    }
    if !$config and !$redirect {
        File["${site_conf}"] {
            content => template("apache/site.http.conf.erb"),
        }
    }

}



class apache::debian::sslserver inherits apache::debian::common {

    file { [ "/srv/www/https",
             "/srv/www/https/${fqdn}",
             "/srv/www/log/https",
             "/srv/www/log/https/${fqdn}", ]:
        ensure  => directory,
        mode    => 0644,
        owner   => root,
        group   => root,
        require => Package["httpd"],
        before  => File["/etc/apache2/apache2.conf"],
    }

    apache::debian::a2enmod { "ssl": }

}


define apache::debian::configfile($source, $content, $http, $https) {

    file { "/etc/apache2/conf.d/${name}":
        ensure  => present,
        mode    => 0644,
        owner   => root,
        group   => root,
        notify  => Service["apache2"],
        require => Package["httpd"],
    }
    if $source {
        File["/etc/apache2/conf.d/${name}"] {
            source => $source,
        }
    }
    if $content {
        File["/etc/apache2/conf.d/${name}"] {
            content => $content,
        }
    }

}


# Enable module on Debian/Ubuntu Apache.
#
# === Parameters
#
#   $name:
#       Module name.
#   $source:
#       Source for optional module configuration.
#   $content:
#       Content for optional module configuration.
#       See also $source.
#   $require:
#       Dependencies for the module file.
#
define apache::debian::a2enmod($source="", $content="") {

    exec { "a2enmod-${name}":
        path    => "/bin:/usr/bin:/sbin:/usr/sbin",
        command => "a2enmod ${name}",
        unless  => "test -h /etc/apache2/mods-enabled/${name}.load",
        notify  => Service["apache2"],
        require => Package["httpd"],
    }

    if $source or $content {
        file { "/etc/apache2/mods-available/${name}.conf":
            mode   => 0644,
            owner  => root,
            group  => root,
            notify => Service["apache2"],
            before => Exec["a2enmod-${name}"],
        }
        if $source {
            File["/etc/apache2/mods-available/${name}.conf"] {
                source => $source,
            }
        }
        if $content {
            File["/etc/apache2/mods-available/${name}.conf"] {
                content => $content,
            }
        }
    }

}


# Enable virtual host on Debian/Ubuntu Apache.
#
# === Parameters
#
#   $name:
#       FQDN of virtual host.
#
define apache::debian::a2ensite() {

    exec { "a2ensite-${name}":
        path    => "/bin:/usr/bin:/sbin:/usr/sbin",
        command => "a2ensite ${name}",
        unless  => $name ? {
            "default" => "test -h /etc/apache2/sites-enabled/000-default",
            default   => "test -h /etc/apache2/sites-enabled/${name}",
        },
        notify  => Service["apache2"],
        require => Package["httpd"],
    }

}