@use 'sass:map';
@use 'sass:math';
@use '../../utils/functions';
@use '../../mixins/css3/breakpoints' as media;
@use '../../variables' as vars;

// Grid system
//
// Original source: Bootstrap v5.2.

@mixin make-row($gutter: vars.$grid-gutter-width) {
  --#{vars.$prefix}gap-x: #{$gutter};
  --#{vars.$prefix}gap-y: 0;

  display: flex;
  flex-wrap: wrap;
  margin-top: calc(-1 * var(--#{vars.$prefix}gap-y));
  margin-right: calc(-0.5 * var(--#{vars.$prefix}gap-x));
  margin-left: calc(-0.5 * var(--#{vars.$prefix}gap-x));
}

@mixin make-col-ready() {
  box-sizing: border-box;
  // 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(--#{vars.$prefix}gap-x) * 0.5);
  padding-left: calc(var(--#{vars.$prefix}gap-x) * 0.5);
  margin-top: var(--#{vars.$prefix}gap-y);
}

@mixin make-col($size: false, $columns: vars.$grid-columns) {
  @if $size {
    flex: 0 0 auto;
    width: math.percentage(math.div($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, $columns: vars.$grid-columns) {
  $num: math.div($size, $columns);
  margin-left: functions.fn-if($num == 0, 0, math.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: math.div(100%, $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(
  $columns: vars.$grid-columns,
  $gutter: vars.$grid-gutter-width,
  $breakpoints: vars.$grid-breakpoints
) {
  @each $breakpoint in map.keys($breakpoints) {
    $infix: media.breakpoint-infix($breakpoint, $breakpoints);

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

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

      @if vars.$grid-row-columns > 0 {
        @for $i from 1 through vars.$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, $value in vars.$gutters {
        .g#{$infix}-#{$key},
        .gx#{$infix}-#{$key} {
          --#{vars.$prefix}gap-x: #{$value};
        }

        .g#{$infix}-#{$key},
        .gy#{$infix}-#{$key} {
          --#{vars.$prefix}gap-y: #{$value};
        }
      }
    }
  }
}

@mixin make-css-grid($columns: vars.$grid-columns, $breakpoints: vars.$grid-breakpoints) {
  @each $breakpoint in map-keys($breakpoints) {
    $infix: media.breakpoint-infix($breakpoint, $breakpoints);

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

        // Start with `1` because `0` is and 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;
          }
        }
      }
    }
  }
}