// Foundation for Sites by ZURB
// foundation.zurb.com
// Licensed under MIT Open Source

////
/// @group xy-grid
////

/// Collapses the grid a cells within it.
///
/// @param {String} $selector [.cell] - The child element to remove the gutter from.
/// @param {Keyword} $gutter-type [margin] - The type of gutter to remove.
/// @param {List} $gutter-position [right left] - The positions to remove gutters from. Accepts `top`, `bottom`, `left`, `right` in any combination.
/// @param {Keyword} $min-breakpoint [$-zf-zero-breakpoint] - Minimum breakpoint in `$breakpoint-classes` for which to collapse the gutter.
@mixin xy-grid-collapse(
  $selector: '.cell',
  $gutter-type: margin,
  $gutter-position: right left,
  $min-breakpoint: $-zf-zero-breakpoint
) {
  // First, lets negate any margins on the top level
  @if ($gutter-type == 'margin') {

    @include breakpoint($min-breakpoint) {
      @each $value in $gutter-position {
        margin-#{$value}: 0;
      }

      > #{$selector} {
        @each $value in $gutter-position {
          margin-#{$value}: 0;
        }
      }
    }

    $excluded-bps: -zf-breakpoints-less-than($min-breakpoint);

    // Output new widths to not include gutters
    @each $bp in $breakpoint-classes {
      @if(sl-contain($excluded-bps, $bp)) {
        @include breakpoint($min-breakpoint) {
          @for $i from 1 through $grid-columns {
            // Sizing (percentage)
            > .#{$bp}-#{$i} {
              @include xy-cell-static($i, $gutter-output: false, $gutter-type: padding);
            }
          }
        }
      } @else {
        @include breakpoint($bp) {
          @for $i from 1 through $grid-columns {
            // Sizing (percentage)
            > .#{$bp}-#{$i} {
              @include xy-cell-static($i, $gutter-output: false, $gutter-type: padding);
            }
          }
        }
      }
    }
  }
  @else {

    @include breakpoint($min-breakpoint) {
      @each $value in $gutter-position {
        margin-#{$value}: 0;
      }

      > #{$selector} {
        @each $value in $gutter-position {
          padding-#{$value}: 0;
        }
      }
    }
  }
}