// Generators :: Grid

// Dependencies
@import "../mixins/col";

@mixin generate-grid-columns($columns: $seed-grid-columns, $gutter: $seed-grid-gutter, $breakpoints: $seed-breakpoints) {
  $breakpoint-counter: 0;
  @each $breakpoint in map-keys($breakpoints) {
    $breakpoint-counter: ($breakpoint-counter + 1);
    $_class: $seed-grid-namespace-col;
    $_col-class: $_class;
    $_col-offset-class: $_class;
    $_col-pull-class: $_class;
    $_col-push-class: $_class;

    @include breakpoint-up($breakpoint, $breakpoints) {
      @for $column from 1 through length($columns) {
        $item: nth($columns, $column);
        $i: nth($item, 1);
        $width: nth($item, 2);

        @if $breakpoint == xs {
          $_col-class: #{$_class}-#{$i};
        }
        @else {
          $_col-class: #{$_class}-#{$i}#{$seed-breakpoints-at-namespace}#{$breakpoint};
        }

        .#{$_col-class} {
          width: #{$width};
        }
      }
      // `$columns - 1` because offsetting by the width of an entire row isn't possible
      @for $column from 1 through (length($columns)) {
        $item: nth($columns, $column);
        $i: nth($item, 1);
        $width: nth($item, 2);

        @if $breakpoint == xs {
          $_col-offset-class: #{$_class}-offset-#{$i};
          $_col-pull-class: #{$_class}-pull-#{$i};
          $_col-push-class: #{$_class}-push-#{$i};
        }
        @else {
          $_col-offset-class: #{$_class}-offset-#{$i}#{$seed-breakpoints-at-namespace}#{$breakpoint};
          $_col-pull-class: #{$_class}-pull-#{$i}#{$seed-breakpoints-at-namespace}#{$breakpoint};
          $_col-push-class: #{$_class}-push-#{$i}#{$seed-breakpoints-at-namespace}#{$breakpoint};
        }

        @if $breakpoint-counter != 1 or $i != 0 {
          .#{$_col-offset-class} {
            @include col-calculate-offset(offset, $i, $width)
          }
          .#{$_col-pull-class} {
            @include col-calculate-offset(pull, $i, $width)
          }
          .#{$_col-push-class} {
            @include col-calculate-offset(push, $i, $width)
          }
        }
      }
    }
  }
}