{#- vim: ft=jinja #}

{%- set tplroot = tpldir.split("/")[0] %}
{%- set formula_param_dir = tplroot ~ "/parameters" %}

{#- Default parameter sources if not specified in map_jinja.yaml #}
{%- set map_sources = [
      "Y:G@osarch",
      "Y:G@os_family",
      "Y:G@os",
      "Y:G@osfinger",
      "C@" ~ tplroot,
      "Y:G@id",
    ]
%}

{#- Search base paths for parameter YAML files (only with `saltext-formula`: if not specified in map_jinja.yaml) #}
{%- set parameter_dirs = [
      formula_param_dir,
    ]
%}

{#-
    Execution module that executes the below `else` Jinja logic in Python and caches the result,
    yielding a significant speedup of state rendering.
    Provided by `salt-pip install saltext-formula`. See https://lkubb.github.io/saltext-formula/.
#}
{%- if "map.data" in salt %}
{%-   set mapdata = salt["map.data"](tpldir, sources=map_sources, parameter_dirs=parameter_dirs) %}
{%- else %}
{%-   from tplroot ~ "/libmapstack.jinja" import mapstack with context %}

{#-   Load meta configuration #}
{%-   set _map_settings = mapstack(
        matchers=["map_jinja.yaml"],
        defaults={
          "values": {"sources": map_sources}
        },
        log_prefix="map.jinja configuration: ",
      )
      | load_yaml
%}

{%-   set map_sources = _map_settings | traverse("values:sources") %}
{%-   do salt["log.debug"](
        "map.jinja: load parameters from sources:\n"
        ~ map_sources
        | yaml(False)
      )
%}

{#-   Load formula configuration #}
{%-   set _formula_matchers = ["defaults.yaml"] + map_sources %}

{%-   set _formula_settings = mapstack(
        matchers=_formula_matchers,
        dirs=parameter_dirs,
        defaults={
          "values": {},
          "merge_strategy": salt["config.get"](tplroot ~ ":strategy", None),
          "merge_lists": salt["config.get"](tplroot ~ ":merge_lists", False),
        },
        log_prefix="map.jinja: ",
      )
      | load_yaml
%}

{#-   Make sure to track `map.jinja` configuration with `_mapdata` #}
{%-   do _formula_settings["values"].update(
        {
          "map_jinja": _map_settings["values"]
        }
      )
%}

{%-   do salt["log.debug"]("map.jinja: save parameters in variable 'mapdata'") %}
{%-   set mapdata = _formula_settings["values"] %}

{#-   Optional per-formula post-processing of `mapdata` #}
{%-   do salt["log.debug"]("map.jinja: post-processing of 'mapdata'") %}
{%-   include tplroot ~ "/post-map.jinja" ignore missing %}
{%- endif %}