@use "sass:list";
@use "sass:map";
@use "sass:math";
@use "../../core/config-variables";

// Expands a shorthand value:
// 10px -> 10px 10px 10px 10px
// 10px 20px -> 10px 20px 10px 20px
// 10px 20px 30px -> 10px 20px 30px 20px
// 10px 20px 30px 40px -> 10px 20px 30px 40px
@function fk-expand-shorthand($val) {
    @if list.length($val) == 1 {
        @return $val $val $val $val;
    } @else if list.length($val) == 2 {
        @return list.nth($val, 1) list.nth($val, 2) list.nth($val, 1) list.nth($val, 2);
    } @else if list.length($val) == 3 {
        @return list.nth($val, 1) list.nth($val, 2) list.nth($val, 3) list.nth($val, 2);
    } @else {
        @return $val;
    }
}

@function strip-unit($value) {
    @return math.div($value, $value * 0 + 1);
}

@function get-min-for($key) {
    $value: map.get(config-variables.$f-breakpoints, $key);
    @if $value != 0 {
        @return $value;
    } @else {
        @return null;
    }
}

@function get-max-for($key) {
    $breakpoint-keys: map.keys(config-variables.$f-breakpoints);
    $index: list.index($breakpoint-keys, $key);
    @if $index < list.length($breakpoint-keys) {
        @return get-min-for(list.nth($breakpoint-keys, $index + 1)) - 0.02px;
    } @else {
        @return null;
    }
}