// Foundation for Sites
// https://get.foundation
// Licensed under MIT Open Source

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

/// Returns the appropriate CSS flex value for a cell base.
///
/// @param {Keyword} $size [full] - The size of your cell. Accepts `full`, `auto`, `shrink`, `grow`, or any other value representing a cell size (it will be treated as `shrink`).
///
/// @returns {List} The cell flex property value.
@function xy-cell-base($size: full) {
  @if ($size == 'auto') {
    @return 1 1 0px;
  }
  @else if ($size == 'grow') {
    @return 1 0 auto;
  }
  @else if ($size == 'shrink' or $size == 'full' or zf-is-fraction($size, $allow-no-denominator: true)) {
    @return 0 0 auto;
  }
  @return null;
}

/// Calculate the size of a cell gutters.
///
/// @param {Number|Map} $gutters [$grid-margin-gutters] - Map or single value for gutters.
/// @param {String} $breakpoint [null] - The name of the breakpoint size in your gutters map to get the size from. If `auto`, returns the responsive gutters map `$gutters`. If using with the `breakpoint()` mixin this will be set automatically unless manually entered.
///
/// @returns {Number|Map} The cell gutter size or the responsive gutters map.
@function xy-cell-gutters(
  $gutters: $grid-margin-gutters,
  $breakpoint: null
) {
  // For `auto`, returns the responsive map `$gutters`.
  @if ($breakpoint == 'auto') {
    @return $gutters;
  }

  // Use the contextual breakpoint by default.
  $breakpoint: -zf-current-breakpoint($breakpoint);

  @if ($breakpoint) {
    @return -zf-get-bp-val($gutters, $breakpoint);
  }
  @else {
    @return -zf-get-bp-val($gutters, $-zf-zero-breakpoint) or 0;
  }
}

/// Returns the percentage size of a cell.
///
/// @param {Number|List} $size [$grid-columns] - Size to make the cell. You can pass a value in multiple formats, such as `6`, `50%`, `1 of 2` or `1/3`.
///
/// @returns {Number} Size of the cell (in percent).
@function xy-cell-size(
  $size: $grid-columns
) {
  @return fraction-to-percentage($size, $denominator: $grid-columns);
}

/// Returns the appropriate CSS value for a cell size.
///
/// Gutters-related arguments are required for cells with margin gutters (by default) as the gutter is included in the width.
///
/// @param {Keyword|Number} $size [full] - The size of your cell. Can be `full`, `auto`, `shrink` or any fraction like `6`, `50%`, `1 of 2` or `1/2`.
/// @param {Number|Map} $gutters [$grid-margin-gutters] - Map or single value for gutters.
/// @param {Keyword} $gutter-type [margin] - Type of gutter to output. Accepts `margin`, `padding` or `none`.
/// @param {String} $breakpoint [null] - The name of the breakpoint size in your gutters map to get the size from. If `auto`, returns a map of sizes adapted to responsive gutters. If using with the `breakpoint()` mixin this will be set automatically unless manually entered.
///
/// @returns {Number|String|Map} The cell sizing property value, or a responsive map of them.
@function xy-cell-size-css(
  $size: full,
  $gutters: $grid-margin-gutters,
  $gutter-type: margin,
  $breakpoint: null
) {
  $margin-gutter: 0;

  @if ($size == 'auto' or $size == 'shrink') {
    @return auto;
  }

  // For cells with margin gutters, the gutter is included in the width.
  @if ($gutter-type == 'margin') {
    $margin-gutter: xy-cell-gutters($gutters, $breakpoint);
    @if ($margin-gutter == null) {
      @error 'xy-cell-size: no gutters were found in `$gutters` for "$breakpoint: #{$breakpoint}"';
    }
  }

  // Calculate the cell size (number)
  $size-raw: if($size == 'full', 100%, xy-cell-size($size));

  // Calculate the cell CSS size including gutters (string)
  // If the cell has responsive margin gutters, return a responsive map of sizes.
  @if type-of($margin-gutter) == 'map' {
    $responsive-css-sizes: ();

    @each $bp, $mg in $margin-gutter {
      $size-css: if($mg == 0, $size-raw, calc(#{$size-raw} - #{rem-calc($mg)}));
      $responsive-css-sizes: map-merge($responsive-css-sizes, ($bp: $size-css));
    }

    @return $responsive-css-sizes;
  }
  // Otherwise, return a single CSS size.
  @else {
    $css-size: if($margin-gutter == 0, $size-raw, calc(#{$size-raw} - #{rem-calc($margin-gutter)}));
    @return $css-size;
  }
}

/// Sets base flex properties for cells.
///
/// @param {Keyword} $size [full] - The size of your cell. Accepts `full`, `auto`, `shrink`, `grow`, or any other value representing a cell size (it will be treated as `shrink`).
@mixin xy-cell-base($size: full) {
  $base: xy-cell-base($size);

  flex: #{$base};

  // Set base styles for "full" only
  @if($size == 'full') {
    min-height: 0px;
    min-width: 0px;
  }
}

/// Resets a cells width (or height if vertical is true) as well as strips its gutters.
///
/// @param {Boolean} $vertical [false] - Set to true to output vertical (height) styles rather than widths.
@mixin xy-cell-reset($vertical: true) {
  $direction: if($vertical == true, height, width);
  #{$direction}: auto;
  max-#{$direction}: none;
}

/// Sets sizing properties for cells.
///
/// Gutters-related arguments are required for cells with margin gutters (by default) as the gutter is included in the width.
///
/// @param {Keyword|Number} $size [full] - The size of your cell. Can be `full` (100% width), `auto` (use all available space), `shrink` (use only the required space) or any fraction (`6`, `50%`, `1 of 2` or `1/2`...).
/// @param {Number|Map} $gutters [$grid-margin-gutters] - Map or single value for gutters.
/// @param {Keyword} $gutter-type [margin] - Type of gutter to output. Accepts `margin`, `padding` or `none`.
/// @param {String} $breakpoint [null] - The name of the breakpoint size in your gutters map to get the size from. If `auto`, generates sizes adapted for responsive gutters. If using with the `breakpoint()` mixin this will be set automatically unless manually entered.
/// @param {Boolean} $vertical [false] - Set to true to output vertical (height) styles rather than widths.
@mixin xy-cell-size(
  $size: full,
  $gutters: $grid-margin-gutters,
  $gutter-type: margin,
  $breakpoint: null,
  $vertical: false
) {
  $sizes: xy-cell-size-css($size, $gutters, $gutter-type, $breakpoint);
  $direction: if($vertical == true, height, width);

  @if (type-of($sizes) == 'map') {
    @include -zf-breakpoint-value(auto, $sizes) {
      #{$direction}: $-zf-bp-value;
    }
  }
  @else {
    #{$direction}: $sizes;
  }
}

/// Sets gutters properties for cells.
///
/// @param {Number|Map} $gutters [$grid-margin-gutters] - Map or single value for gutters.
/// @param {Keyword} $gutter-type [margin] - Type of gutter to output. Accepts `margin`, `padding` or `none`.
/// @param {List} $gutter-position [null] - The position to apply gutters to. Accepts `top`, `bottom`, `left`, `right` in any combination. By default `right left` for horizontal cells and `top bottom` for vertical cells.
/// @param {String} $breakpoint [null] - The name of the breakpoint size in your gutters map to get the size from. If `auto`, generates responsive gutters. If using with the `breakpoint()` mixin this will be set automatically unless manually entered.
/// @param {Boolean} $vertical [false] - Direction of the gutters to output. See `$gutter-position`.
@mixin xy-cell-gutters(
  $gutters: $grid-margin-gutters,
  $gutter-type: margin,
  $gutter-position: null,
  $breakpoint: null,
  $vertical: false
) {
  // Get the default gutter position according to cell direction
  @if($gutter-position == null) {
    $gutter-position: if($vertical == true, top bottom, left right);
  }

  // Get the gutter width for this breakpoint
  $gutter-width: xy-cell-gutters($gutters, $breakpoint);
  @if ($gutter-width == null) {
    @error 'xy-cell-gutters: no gutters were found in `$gutters` for "$breakpoint: #{$breakpoint}"';
  }

  @if ($gutter-type and $gutter-type != none) {
    @include xy-gutters($gutter-width, $gutter-type, $gutter-position);
  }
}

/// Creates a cell for your grid.
///
/// @param {Keyword|Number} $size [full] - The size of your cell. Can be `full` (100% width), `auto` (use all available space), `shrink` (use only the required space) or any fraction (`6`, `50%`, `1 of 2` or `1/2`...).
/// @param {Boolean} $gutter-output [null] - [DEPRECATED] Whether or not to output gutters.
/// @param {Number|Map} $gutters [$grid-margin-gutters] - Map or single value for gutters.
/// @param {Keyword} $gutter-type [margin] - Type of gutter to output. Accepts `margin`, `padding` or `none`.
/// @param {List} $gutter-position [null] - The position to apply gutters to. Accepts `top`, `bottom`, `left`, `right` in any combination. By default `right left` for horizontal cells and `top bottom` for vertical cells.
/// @param {String} $breakpoint [null] - The name of the breakpoint size in your gutters map to get the size from. If `auto`, generates responsive gutters. If using with the `breakpoint()` mixin this will be set automatically unless manually entered.
/// @param {Boolean} $vertical [false] - Set to true to output vertical (height) styles rather than widths.
/// @param {List} $output [(base size gutters)] - Cell parts to output. You will need to generate others parts of the cell seperately, it may not work properly otherwise.
@mixin xy-cell(
  $size: full,
  $gutter-output: null,
  $gutters: $grid-margin-gutters,
  $gutter-type: margin,
  $gutter-position: null,
  $breakpoint: null,
  $vertical: false,
  $output: (base size gutters)
) {
  // Default for $gutter-output
  @if ($gutter-output != null) {
    @warn 'xy-cell: $gutter-output is deprecated and will be removed. See migration notes at https://git.io/foundation-6-6-0';
    @if ($gutter-output == false) {
      $output: sl-remove($output, gutters);
    }
  }

  @if (index($output, base)) {
    @include xy-cell-base($size);
  }
  @if (index($output, size)) {
    @include xy-cell-size($size, $gutters, $gutter-type, $breakpoint, $vertical);
  }
  @if (index($output, gutters)) {
    @include xy-cell-gutters($gutters, $gutter-type, $gutter-position, $breakpoint, $vertical);
  }
}

/// Creates a single breakpoint sized grid. Used to generate our grid classes.
///
/// `xy-cell-static()` is deprecated and will be removed.
/// Use `xy-cell()` instead with `$output: (size gutters)` to not generate the cell base.
/// See migration notes at https://git.io/foundation-6-6-0
///
/// @deprecated v6.6.0
///
/// @param {Keyword|Number} $size [full] - The size of your cell. Can be `full` (100% width), `auto` (use all available space), `shrink` (use only the required space) or any fraction (`6`, `50%`, `1 of 2` or `1/2`...).
/// @param {Boolean} $gutter-output [true] - Whether or not to output gutters. Always `true` for margin gutters.
/// @param {Number|Map} $gutters [$grid-margin-gutters] - Map or single value for gutters.
/// @param {Keyword} $gutter-type [margin] - Map or single value for gutters.
/// @param {String} $breakpoint [null] - The name of the breakpoint size in your gutters map to get the size from. If using with the `breakpoint()` mixin this will be set automatically unless manually entered.
/// @param {Boolean} $vertical [false] - Set to true to output vertical (height) styles rather than widths.
@mixin xy-cell-static(
  $size: full,
  $gutter-output: true,
  $gutters: $grid-margin-gutters,
  $gutter-type: margin,
  $breakpoint: $-zf-zero-breakpoint,
  $vertical: false
) {
  @warn 'xy-cell-static() mixin is deprecated and will be removed. Use "xy-cell()" instead. See migration notes at https://git.io/foundation-6-6-0';

  $gutter: -zf-get-bp-val($gutters, $breakpoint);
  $gutter-position: if($vertical == true, top bottom, left right);

  $-gutter-output: if($gutter-type == 'margin', true, $gutter-output);
  $-gutter-margin: if($gutter-type == 'margin', $gutter, 0);

  @include -xy-cell-properties($size, $-gutter-margin, $vertical);
  @if ($-gutter-output) {
    @include xy-gutters($gutter, $gutter-type, $gutter-position);
  }
}