# -*- coding: utf-8 -*-
# vim: ft=jinja

{%- macro deep_merge(a, b) %}
{#-     This whole `'dict' in x.__class__.__name__` mess is a
        workaround for the missing mapping test in CentOS 6's
        ancient Jinja2, see #193  #}
{%-     for k,v in b.iteritems() %}
{%-         if v is string or v is number %}
{%-             do a.update({ k: v }) %}
{%-         elif 'dict' not in v.__class__.__name__ %}
{%-             if a[k] is not defined %}
{%-                 do a.update({ k: v }) %}
{%-             elif a[k] is iterable and 'dict' not in a[k].__class__.__name__ and
                a[k] is not string %}
{%-                 do a.update({ k: v|list + a[k]|list}) %}
{%-             else %}
{%-                 do a.update({ k: v }) %}
{%-             endif %}
{%-         elif 'dict' in v.__class__.__name__ %}
{%-             if a[k] is not defined %}
{%-                 do a.update({ k: v }) %}
{%-             elif 'dict' in a[k].__class__.__name__ %}
{%-                 do a.update({ k: v }) %}
{%-             else %}
{%-                 do deep_merge(a[k], v) %}
{%-             endif %}
{%-         else %}
{%-            do a.update({ k: 'ERROR: case not contempled in merging!' }) %}
{%-         endif %}
{%-     endfor %}
{%- endmacro %}


{## Start with  defaults from defaults.yaml ##}
{% import_yaml "postfix/defaults.yaml" as default_settings %}

{##
Setup variable using grains['os_family'] based logic, only add key:values here
that differ from whats in defaults.yaml
##}
{% set osrelease = salt['grains.get']('osrelease') %}
{# set salt_release = salt['pillar.get']('salt:release', 'latest') #}
{# set postfix = salt['grains.filter_by'](#}
{% set os_family_map = salt['grains.filter_by']({
    'Debian': {
        'policyd_spf_pkg': 'postfix-policyd-spf-python',
        'pcre_pkg': 'postfix-pcre',
        'mysql_pkg': 'postfix-mysql',
    },
    'Gentoo': {
        'package': 'mail-mta/postfix',
        'policyd_spf_pkg': 'mail-filter/pypolicyd-spf',
        'postgrey_pkg': 'mail-filter/postgrey',
        'postsrsd_pkg': 'mail-filter/postsrsd',
        'aliases_file': '/etc/mail/aliases',
    },
    'RedHat': {
        'policyd_spf_pkg': 'pypolicyd-spf',
    },
    'Arch' : {
        'policyd_spf_pkg': 'python-postfix-policyd-spf',
    },
    'FreeBSD' : {
        'policyd_spf_pkg': 'py27-postfix-policyd-spf-python',
        'aliases_file': '/etc/mail/aliases',
        'xbin_prefix': '/usr/local',
        'config_path': '/usr/local/etc/postfix',
        'root_grp': 'wheel',
    },
}, merge=salt['pillar.get']('postfix:lookup')) %}

{## Merge the flavor_map to the default settings ##}
{% do deep_merge(default_settings.postfix, os_family_map) %}

{## Merge in postfix:lookup pillar ##}
{% set postfix = salt['pillar.get'](
    'postfix',
    default=default_settings.postfix,
    merge=True)
%}