// Grid system
//
// Generate semantic grid columns with these mixins.

@mixin make-row($gutter: $grid-gutter-width) {
  --#{$prefix}gutter-x: var(--#{$prefix}grid-gap);
  --#{$prefix}gutter-y: 0;
  display: flex;
  flex-wrap: wrap;
  // TODO: Revisit calc order after https://github.com/react-bootstrap/react-bootstrap/issues/6039 is fixed
  margin-top: calc(-1 * var(--#{$prefix}gutter-y));
  margin-right: calc(-.5 * var(--#{$prefix}gutter-x));
  margin-left: calc(-.5 * var(--#{$prefix}gutter-x));
}

@mixin make-col-ready() {
  // Add box sizing if only the grid is loaded
  box-sizing: if(variable-exists(include-column-box-sizing) and $include-column-box-sizing, border-box, null);
  // Prevent columns from becoming too narrow when at smaller grid tiers by
  // always setting `width: 100%;`. This works because we set the width
  // later on to override this initial width.
  flex-shrink: 0;
  width: 100%;
  max-width: 100%; // Prevent `.col-auto`, `.col` (& responsive variants) from breaking out the grid
  padding-right: calc(var(--#{$prefix}gutter-x) * .5);
  padding-left: calc(var(--#{$prefix}gutter-x) * .5);
  margin-top: var(--#{$prefix}gutter-y);
}

@mixin make-col($size: false, $columns: $grid-columns) {
  @if $size {
    flex: 0 0 auto;
    width: percentage(divide($size, $columns));

  } @else {
    flex: 1 1 0;
    max-width: 100%;
  }
}

@mixin make-col-auto() {
  flex: 0 0 auto;
  width: auto;
}

@mixin make-col-offset($size, $columns: $grid-columns) {
  $num: divide($size, $columns);
  margin-left: if($num == 0, 0, percentage($num));
}

// Row columns
//
// Specify on a parent element(e.g., .row) to force immediate children into NN
// number of columns. Supports wrapping to new lines, but does not do a Masonry
// style grid.
@mixin row-cols($count) {
  > * {
    flex: 0 0 auto;
    width: percentage(divide(1, $count));
  }
}

// Framework grid generation
//
// Used only by Bootstrap to generate the correct number of grid classes given
// any value of `$grid-columns`.

@mixin make-grid-columns($columns: $grid-columns, $gutter: $grid-gutter-width, $breakpoints: $grid-breakpoints) {
  @each $breakpoint in map-keys($breakpoints) {
    // OUDS mod: use breakpoint prefixes instead of infixes
    $breakpoint-prefix: breakpoint-prefix($breakpoint, $breakpoints);

    @include media-breakpoint-up($breakpoint, $breakpoints) {
      // Provide basic `.{bp}:col` classes for equal-width flexbox columns
      .#{$breakpoint-prefix}col {
        flex: 1 0 0;
      }

      .#{$breakpoint-prefix}row-cols-auto > * {
        @include make-col-auto();
      }

      @if $grid-row-columns > 0 {
        @for $i from 1 through $grid-row-columns {
          .#{$breakpoint-prefix}row-cols-#{$i} {
            @include row-cols($i);
          }
        }
      }

      .#{$breakpoint-prefix}col-auto {
        @include make-col-auto();
      }

      @if $columns > 0 {
        @for $i from 1 through $columns {
          .#{$breakpoint-prefix}col-#{$i} {
            @include make-col($i, $columns);
          }
        }

        // `$columns - 1` because offsetting by the width of an entire row isn't possible
        @for $i from 0 through ($columns - 1) {
          @if not ($breakpoint-prefix == "" and $i == 0) { // Avoid emitting useless .offset-0
            .#{$breakpoint-prefix}offset-#{$i} {
              @include make-col-offset($i, $columns);
            }
          }
        }
      }

      // Gutters
      //
      // Make use of `.g-*`, `.gx-*` or `.gy-*` utilities to change spacing between the columns.
      @each $key, $value in $ouds-dimension-space-fixed { // OUDS mod: use `$ouds-dimension-space-fixed` instead of `$gutters`
        .#{$breakpoint-prefix}g-#{$key},
        .#{$breakpoint-prefix}gx-#{$key} {
          --#{$prefix}gutter-x: #{$value if($enable-important-utilities, !important, null)}; // OUDS mod: `$enable-important-utilities` check is added
        }

        .#{$breakpoint-prefix}g-#{$key},
        .#{$breakpoint-prefix}gy-#{$key} {
          --#{$prefix}gutter-y: #{$value if($enable-important-utilities, !important, null)}; // OUDS mod: `$enable-important-utilities` check is added
        }
      }

      @if $enable-bootstrap-compatibility {
        // Emit infix-based grid classes for Bootstrap compatibility if enabled
        $infix: breakpoint-infix($breakpoint, $breakpoints);

        @if $infix != "" { // Avoid duplicates already emitted by normal loop above
          // Provide basic `.col-{bp}` classes for equal-width flexbox columns
          .col#{$infix} {
            flex: 1 0 0;
          }

          .row-cols#{$infix}-auto > * {
            @include make-col-auto();
          }

          @if $grid-row-columns > 0 {
            @for $i from 1 through $grid-row-columns {
              .row-cols#{$infix}-#{$i} {
                @include row-cols($i);
              }
            }
          }

          .col#{$infix}-auto {
            @include make-col-auto();
          }

          @if $columns > 0 {
            @for $i from 1 through $columns {
              .col#{$infix}-#{$i} {
                @include make-col($i, $columns);
              }
            }

            // `$columns - 1` because offsetting by the width of an entire row isn't possible
            @for $i from 0 through ($columns - 1) {
              @if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-0
                .offset#{$infix}-#{$i} {
                  @include make-col-offset($i, $columns);
                }
              }
            }
          }
        }

        // Gutters
        //
        // Make use of `.g-*`, `.gx-*` or `.gy-*` utilities to change spacing between the columns.
        @each $key, $value in $gutters {
          .g#{$infix}-#{$key},
          .gx#{$infix}-#{$key} {
            --#{$prefix}gutter-x: #{$value if($enable-important-utilities, !important, null)}; // OUDS mod: `$enable-important-utilities` check is added
          }

          .g#{$infix}-#{$key},
          .gy#{$infix}-#{$key} {
            --#{$prefix}gutter-y: #{$value if($enable-important-utilities, !important, null)}; // OUDS mod: `$enable-important-utilities` check is added
          }
        }
      }
    }
  }
}

@mixin make-cssgrid($columns: $grid-columns, $breakpoints: $grid-breakpoints) {
  // OUDS mod: use breakpoint prefixes instead of infixes
  @each $breakpoint in map-keys($breakpoints) {
    $breakpoint-prefix: breakpoint-prefix($breakpoint, $breakpoints);

    @include media-breakpoint-up($breakpoint, $breakpoints) {
      @if $columns > 0 {
        @for $i from 1 through $columns {
          .#{$breakpoint-prefix}g-col-#{$i} {
            grid-column: auto / span $i;
          }
        }

        // Start with `1` because `0` is an invalid value.
        // Ends with `$columns - 1` because offsetting by the width of an entire row isn't possible.
        @for $i from 1 through ($columns - 1) {
          .#{$breakpoint-prefix}g-start-#{$i} {
            grid-column-start: $i;
          }
        }

        @if $enable-bootstrap-compatibility {
          $infix: breakpoint-infix($breakpoint, $breakpoints);

          @if $infix != "" { // Avoid duplicates already emitted by normal case above
            @for $i from 1 through $columns {
              .g-col-#{$infix}-#{$i} {
                grid-column: auto / span $i;
              }
            }

            // Start with `1` because `0` is an invalid value.
            // Ends with `$columns - 1` because offsetting by the width of an entire row isn't possible.
            @for $i from 1 through ($columns - 1) {
              .g-start-#{$infix}-#{$i} {
                grid-column-start: $i;
              }
            }
          }
        }
      }
    }
  }
  // End mod
}