// ---------------------------------------------------------------------------
// Importing dependencies

@import "../media";

// ---------------------------------------------------------------------------
// Layout store, for use in each-layout

$layouts: ();

// ---------------------------------------------------------------------------
// @function set-layout

@function set-layout(
  $columns,
  $grid-padding   : false,
  $at-breakpoint  : false,
  $column-width   : false,
  $gutter-width   : false,
  $legacy-support : false,
  $is-fluid       : $is-fluid
  ) {

  // Catching media breakpoints from set-breakpoint
  @if type-of( $at-breakpoint ) == "list" {
    @if ( not $legacy-support ) and length( $at-breakpoint ) > 1 {
      // Inheriting legacy support setting from set-breakpoint
      $legacy-support: nth( $at-breakpoint, 2 );
      $at-breakpoint: nth( $at-breakpoint, 1 );
    }
  }

  $layout: ( $columns ($grid-padding) ($at-breakpoint) $column-width $gutter-width $legacy-support $is-fluid );

  // Storing layout
  $layouts: append( $layouts, $layout, comma ) !global;

  @return $layout;

}

// ---------------------------------------------------------------------------
// @mixin at-layout

@mixin at-layout( 
  $layout, 
  $legacy-support : false 
  ) {

  // Storing reference to global variables
  $at-breakpoint-ref  : $at-breakpoint;
  $is-fluid-ref       : $is-fluid;
  $total-columns-ref  : $total-columns;
  $grid-padding-ref   : $grid-padding;
  $column-width-ref   : $column-width;
  $gutter-width-ref   : $gutter-width;

  // Using settings from layout
  $total-columns  : nth( $layout, 1 ) !global;
  $grid-padding   : nth( $layout, 2 ) !global;
  $at-breakpoint  : nth( $layout, 3 ) !global;
  $column-width   : nth( $layout, 4 ) !global;
  $gutter-width   : nth( $layout, 5 ) !global;
  $is-fluid       : nth( $layout, 7 ) !global;

  // Use general settings if false
  @if not $grid-padding {
    $grid-padding : $grid-padding-ref !global;
  }
  @if not $column-width {
    $column-width : $column-width-ref !global;
  }
  @if not $gutter-width {
    $gutter-width : $gutter-width-ref !global;
  }

  // Get legacy support setting from layout if not forced
  @if not $legacy-support {
    $legacy-support : nth( $layout, 6 );
  }

  @if $at-breakpoint {
    @include at-breakpoint( $at-breakpoint $legacy-support ) {
      @content;
    }
  } @else {
    @content;
  }

  // Resetting references to original values
  $at-breakpoint  : $at-breakpoint-ref !global;
  $is-fluid       : $is-fluid-ref !global;
  $total-columns  : $total-columns-ref !global;
  $grid-padding   : $grid-padding-ref !global;
  $column-width   : $column-width-ref !global;
  $gutter-width   : $gutter-width-ref !global;
}

// ---------------------------------------------------------------------------
// @mixin each-layout

@mixin each-layout( $layouts: $layouts ) {
  @each $layout in $layouts {
    @include at-layout( $layout ) {
      @content;
    }
  }
}