@use "sass:map";
@use "sass:list";
@use "helper";

$--sizes: () !default;
$--weights: (
    "lighter": 100,
    "light": 300,
    "normal": 400,
    "medium": 500,
    "semibold": 600,
    "bold": 700,
    "bolder": 900,
) !default;

@mixin define-size($name, $size, $iterable: true) {
    $name: helper.string-of($name, "define-size", "name");
    $size: helper.number-of($size, "define-size", "size");
    $iterable: helper.bool-of($iterable, "define-size", "iterable");
    $--sizes: map.merge($--sizes, helper.map-from($name, $size $iterable)) !global;
}

@function size($name) {
    $name: helper.string-of($name, "size", "name");
    @if map.has-key($--sizes, $name) {
        @return list.nth(map.get($--sizes, $name), 1);
    }
    @error "#{$name} size not found!";
}

@function sizes($includes: ()) {
    $includes: helper.list-of($includes, "sizes", "includes");
    $res: ();
    @each $k, $v in $--sizes {
        @if list.index($includes, $k) != null or list.nth($v, 2) == true {
            $res: map.merge($res, helper.map-from($k, list.nth($v, 1)));
        }
    }
    @return $res;
}

@function font-weight($name) {
    $name: helper.string-of($name, "font-weight", "name");
    @if map.has-key($--weights, $name) {
        @return map.get($--weights, $name);
    }
    @error "#{$name} font-weight not found!";
}

@function font-weights($only: ()) {
    $only: helper.list-of($only, "font-weightss", "only");
    @if list.length($only) == 0 {
        @return $--weights;
    } @else {
        $res: ();
        @each $k, $v in $--weights {
            @if list.index($only, $k) != null {
                $res: map.merge($res, helper.map-from($k, $v));
            }
        }
        @return $res;
    }
}