@use "sass:map" as map;
@use '../../variables' as vars;
@use "fds-colors" as fds;
@use "theme-colors" as theme;

// ------------------------------------------------------------------
// Get a map of all color names and their value in HEX
// ------------------------------------------------------------------

$fds-color-maps: 
    fds.$fds-color-gray, 
    fds.$fds-color-green, 
    fds.$fds-color-orange, 
    fds.$fds-color-red, 
    fds.$fds-color-blue, 
    fds.$fds-color-purple, 
    fds.$fds-color-data-violet, 
    fds.$fds-color-data-pink-violet, 
    fds.$fds-color-data-orange, 
    fds.$fds-color-data-yellow-red, 
    fds.$fds-color-data-blue, 
    fds.$fds-color-data-green-blue, 
    fds.$fds-color-data-green, 
    fds.$fds-color-black-transparent, 
    fds.$fds-color-white-transparent, 
    fds.$fds-core-colors,
    vars.$custom-colors;

@function -merge-fds-color-maps() {
    $all-fds-colors: ();
    
    @each $map in $fds-color-maps {

        @each $color, $value in $map {
            $color-already-exists: map.has-key($all-fds-colors, $color);
            @if $color-already-exists {
                @error '#{$color} is already defined as a color.';
            }
        }

        $all-fds-colors: map.merge($all-fds-colors, $map);
    }

    @return $all-fds-colors;
}
$fds-colors: -merge-fds-color-maps();

// ------------------------------------------------------------------
// If the theme colors use color names instead of HEX values,
// e.g. 'gray-900', replace the color name with a HEX value
// ------------------------------------------------------------------

@function -convert-theme-colors() {
    $converted-colors: ();
  
    @each $theme-color, $value in theme.$fds-theme-colors {
        $value-is-named-color: map.has-key($fds-colors, $value);
        @if $value-is-named-color {
            $converted-colors: map.set($converted-colors, $theme-color, map.get($fds-colors, $value));
        } 
        @else {
            $converted-colors: map.set($converted-colors, $theme-color, $value);
        }
    }

    @return $converted-colors;
}

// ------------------------------------------------------------------
// Collect all fds colors and theme colors in a single map with 
// (key, value) as ("color name", "HEX value")
// ------------------------------------------------------------------

$all-colors: map.merge($fds-colors, -convert-theme-colors());