# Class for setting cross-class global overrides. See README.md for more
# details.
class postgresql::globals (
  $client_package_name    = undef,
  $server_package_name    = undef,
  $contrib_package_name   = undef,
  $devel_package_name     = undef,
  $java_package_name      = undef,
  $docs_package_name      = undef,
  $perl_package_name      = undef,
  $plperl_package_name    = undef,
  $plpython_package_name  = undef,
  $python_package_name    = undef,
  $postgis_package_name   = undef,

  $service_name           = undef,
  $service_provider       = undef,
  $service_status         = undef,
  $default_database       = undef,

  $validcon_script_path   = undef,

  $initdb_path            = undef,
  $createdb_path          = undef,
  $psql_path              = undef,
  $pg_hba_conf_path       = undef,
  $pg_ident_conf_path     = undef,
  $postgresql_conf_path   = undef,
  $recovery_conf_path     = undef,

  $pg_hba_conf_defaults   = undef,

  $datadir                = undef,
  $confdir                = undef,
  $bindir                 = undef,
  $xlogdir                = undef,
  $logdir                 = undef,

  $user                   = undef,
  $group                  = undef,

  $version                = undef,
  $postgis_version        = undef,
  $repo_proxy             = undef,

  $needs_initdb           = undef,

  $encoding               = undef,
  $locale                 = undef,

  $manage_pg_hba_conf     = undef,
  $manage_pg_ident_conf   = undef,
  $manage_recovery_conf   = undef,

  $manage_package_repo    = undef,
) {
  # We are determining this here, because it is needed by the package repo
  # class.
  $default_version = $::osfamily ? {
    /^(RedHat|Linux)/ => $::operatingsystem ? {
      'Fedora' => $::operatingsystemrelease ? {
        /^(21)$/ => '9.3',
        /^(18|19|20)$/ => '9.2',
        /^(17)$/ => '9.1',
        default => undef,
      },
      'Amazon' => '9.2',
      default => $::operatingsystemrelease ? {
        /^7\./ => '9.2',
        /^6\./ => '8.4',
        /^5\./ => '8.1',
        default => undef,
      },
      default => $::operatingsystemrelease ? {
        /^7\./ => '9.2',
        /^6\./ => '8.4',
        /^5\./ => '8.1',
        default => undef,
      },
    },
    'Debian' => $::operatingsystem ? {
      'Debian' => $::operatingsystemrelease ? {
        /^6\./ => '8.4',
        /^(wheezy|7\.)/ => '9.1',
        /^(jessie|8\.)/ => '9.4',
        default => undef,
      },
      'Ubuntu' => $::operatingsystemrelease ? {
        /^(15.04)$/ => '9.4',
        /^(14.10)$/ => '9.4',
        /^(14.04)$/ => '9.3',
        /^(11.10|12.04|12.10|13.04|13.10)$/ => '9.1',
        /^(10.04|10.10|11.04)$/ => '8.4',
        default => undef,
      },
      default => undef,
    },
    'Archlinux' => $::operatingsystem ? {
      /Archlinux/ => '9.2',
      default => '9.2',
    },
    'FreeBSD' => '93',
    'OpenBSD' => '9.3',
    'Suse' => $::operatingsystem ? {
      'SLES' => $::operatingsystemrelease ? {
        /11\.[0-4]/ => '91',
        default => '93',
      },
      'OpenSuSE' => $::operatingsystemrelease ? {
        '13.2' => '93',
      },
      default => undef,
    },
    default => undef,
  }
  $globals_version = pick($version, $default_version, 'unknown')
  if($globals_version == 'unknown') {
    fail('No preferred version defined or automatically detected.')
  }

  $default_postgis_version = $globals_version ? {
    '8.1'   => '1.3.6',
    '8.4'   => '1.5',
    '9.0'   => '1.5',
    '9.1'   => '1.5',
    '91'    => '1.5',
    '9.2'   => '2.0',
    '9.3'   => '2.1',
    '9.4'   => '2.1',
    '93'    => '2.1',
    default => undef,
  }
  $globals_postgis_version = $postgis_version ? {
    undef   => $default_postgis_version,
    default => $postgis_version,
  }

  # Setup of the repo only makes sense globally, so we are doing this here.
  if($manage_package_repo) {
    class { 'postgresql::repo':
      version => $globals_version,
      proxy   => $repo_proxy,
    }
  }
}