@forward "colors";
@use "call-once" as *;
@use "colors" as *;
@use "sass:map";

$cx-include-all: true !default;

$cx-excluded: () !default;
$cx-used: null !default;

$cx-dependencies: () !default;

@mixin cx-register-dependencies($deps) {
   $cx-dependencies: map.merge($cx-dependencies, $deps) !global;
}

$cx-deps-resolved: false !default;

// Recursively add all transitive dependencies of $name into $used
@function cx-resolve-module-deps($name, $used) {
   $deps: map.get($cx-dependencies, $name);
   @if $deps != null {
      @each $dep in $deps {
         @if map.get($used, $dep) != true {
            $used: map.merge(
               $used,
               (
                  $dep: true,
               )
            );
            $used: cx-resolve-module-deps($dep, $used);
         }
      }
   }
   @return $used;
}

@function cx-should-include($name, $once: true) {
   // Resolve dependencies once, on first call (after all deps are registered)
   @if not $cx-deps-resolved and $cx-used != null {
      @each $module in map.keys($cx-used) {
         $cx-used: cx-resolve-module-deps($module, $cx-used) !global;
      }
      $cx-deps-resolved: true !global;
   }

   @return (
         (map.get($cx-excluded, $name) != true) and
            ($cx-include-all or ($cx-used != null and map.get($cx-used, $name) == true))
      )
      and ($once != true or cx-call-once($name));
}

@function cx-included($name) {
   @return cx-called-once($name);
}

@mixin cx-widgets($names...) {
   $cx-used: () !default !global;

   @each $name in $names {
      $cx-used: map.merge(
         $cx-used,
         (
            $name: true,
         )
      ) !global;
   }
}