// buttons

@import "css3";
@import "measurements";
@import "colors";
// Buttons stylings
//TODO: move button style in _forms.scss to this partial
//      add in styles for request button

//@warn "use 'default' in default names (from colors.scss i suppose)";
//@warn "some magic numbers";

@mixin link-button {
  background: none;
  border: 0;
  color: $link-color;
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;

  &:hover {
    text-decoration: none;
  }
}

@mixin basic-button (
  $background-color: $nypl-dark-gray,
  $border-color: $nypl-dark-gray,
  $border-radius: ($general-border-radius / 3),
  $border-width: ($general-border-width / 3),
  $button-icon: false,
  $collapsible: false,
  $disabled-color: $nypl-light-gray,
  $font-size: 1rem,
  $font-weight: normal,
  $hover-text-color: $nypl-dark-gray,
  $hover-background-color: $button-text-color,
  $height: auto,
  $letter-spacing: normal,
  $padding-horizontal: 0.75rem,
  $padding-vertical: 0.2rem,
  $text-color: $button-text-color,
  $text-transform: none) {
  background-color: $background-color;
  border: $border-width solid $border-color;
  border-radius: $border-radius;
  color: $text-color;
  cursor: pointer;
  display: inline-block;
  font-size: $font-size;
  font-weight: $font-weight;
  height: $height;
  letter-spacing: $letter-spacing;
  padding: $padding-vertical $padding-horizontal;
  text-decoration: none;
  text-transform: $text-transform;
  white-space: normal;
  -webkit-appearance: none;
  @content;

  @include transition(all, $hover-time, ease-in);

  @if ($collapsible == true) {
    // has nypl-icon with down arrow
    position: relative;
    padding-right: 1.5rem;
    text-align: left;

    .nypl-icon {
      @include transition(all, $hover-time, ease-in);
      @include nypl-icon(
        $fill: $text-color,
        $background-color: $background-color);
      height: 1rem;
      position: absolute;
      right: 0.25rem;
      $top: 0.2rem;
      @if ($padding-vertical != 0) {
        $top: ($top + $padding-vertical);
      }

      top: $top;
      width: 1rem;
    }
  } // /collapsible

  // Button w/ Icon...
  // TODO: Refactor $collapsible & $button-icon to be DRYer...
  @if ($button-icon == true) {

    .nypl-icon {
      @include nypl-icon(
      $fill: $text-color,
      $background-color: $background-color);
      @include transition(all, $hover-time, ease-in);
    }
  } // /button-icon

  &:link,
  &:visited {
    color: $text-color;
  }

  $the-text-color: "";
  $the-background-color: "";

  @if $hover-background-color != $text-color {
    // there's custom hover color
    $the-background-color: $hover-background-color;
  } @else {
    $the-background-color: $text-color;
  }

  @if $hover-text-color != $background-color {
    // there's custom hover color
    $the-text-color: $hover-text-color;
  } @else {
    $the-text-color: $background-color;
  }

  &:hover,
  &:hover:visited,
  &.active,
  &:focus {
    border-color: $the-text-color;
    background-color: $the-background-color;
    color: $the-text-color;

    @if $collapsible == true {
      // has nypl-icon with down arrow
      .nypl-icon {
        @include nypl-icon(
        $fill: $the-text-color,
        $background-color: $the-background-color);
      }
    }

    // button has an icon to the left or right:
    @if $button-icon == true {
      $custom-icon-height: "";
      $custom-icon-width: "";

      .nypl-icon {
        @include nypl-icon(
        $fill: $the-text-color,
        $background-color: $the-background-color,
        $height: $custom-icon-height,
        $width: $custom-icon-width);
      }
    }

    &:focus {
      box-shadow: 1px 1px 1px 1px darken($focus-color, 10%);
      border-radius: 0;
    }
  }

  &.active {
    @if $collapsible == true {
      .nypl-icon {
        transform: rotate(180deg);
      }
    }
  }

  &.disabled,
  &[disabled="disabled"],
  &[disabled="true"],
  &[disabled],
  &[disabled=true] {

    //@warn "set universal disabled style";
    background-color: $disabled-color;
    border-color: $the-background-color;
    cursor: default;

    &:hover {
      background-color: $disabled-color;
      border-color: $the-background-color;
      color: $text-color;
    }
  }
} // /"basic" button

@mixin primary-button {
  @include basic-button (
  $text-color: $nypl-white,
  $border-color: $nypl-blue,
  $background-color: $nypl-blue,
  $border-radius: 0.25rem);

  &:hover,
  &:focus {
    background: $nypl-white;
    border-color: $nypl-blue;
    color: $nypl-blue;
  }

  &:focus {
    box-shadow: 0 0 1px 1px darken($focus-color, 10%);
  }
}

//
// Mixin for the requesting pattern
//
@mixin request-button {
  @include basic-button (
  $text-color: $nypl-white,
  $border-color: $nypl-red,
  $background-color: $nypl-red,
  $border-radius: 0.25rem
  );

  &:hover,
  &:focus {
    background: $nypl-white;
    border-color: $nypl-red;
    color: $nypl-red;
  }

  &:focus {
    box-shadow: 1px 1px 2px 2px darken($focus-color, 10%);
  }
}


@mixin results-button {
  @include basic-button (
    $text-color: $nypl-blue,
    $border-color: $nypl-blue,
    $background-color: $nypl-white,
    $hover-text-color: $nypl-white,
    $hover-background-color: $nypl-blue,
    $border-radius: 0.25rem);
  margin: 0.5rem 0;

  span {
    display: block;
    font-size: 2rem;
    line-height: 1;
    margin-right: 0.25rem;
  }
}

@mixin service-button(
  $collapsible: false,
  $text-color: $nypl-white,
  $background-color: $nypl-red) {

  @include basic-button(
    $font-size: 0.8rem,
    $text-color: $text-color,
    $background-color:
    $background-color,
    $collapsible: $collapsible,
    $border-width: 0,
    $padding-vertical: 0,
    $padding-horizontal: 0.5rem);
  border-radius: 0;
  display: block;
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@mixin login-button($collapsible: false) {
  @include basic-button(
    $font-size: 0.7rem,
    $text-color: $nypl-white,
    $background-color: $nypl-gray,
    $padding-vertical: 0,
    $padding-horizontal: 0.5rem,
    $collapsible: $collapsible,
    $border-width: 0);
  border-radius: 0;
  display: block;
  font-weight: bold;
  text-transform: uppercase;
}

@mixin menu-button(
    $attachment: "left",
    $text-color: $button-text-color,
    $background-color: $nypl-search-color-dark) {
  display: inline-block;
  position: relative;

  .nypl-menu-button_button {
    @include basic-button($collapsible: true);
  }

  .nypl-menu-button_menu {
    background-color: $background-color;
    border-radius: $general-border-radius;
    color: $text-color;
    min-width: 10rem;
    padding: 1rem;
    position: absolute;
    z-index: 1;

    @if ($attachment == "left") {
      left: 0;
    } @else {
      right: 0;
    }
  }
}

@mixin navigation-button(
  $text-color: $button-text-color,
  $background-color: $nypl-search-color-dark) {
  display: inline-block;
  position: relative;

  .nypl-navigation-button_button {
    @include basic-button($collapsible: true);
  }

  .nypl-navigation-button_list {
    background-color: $background-color;
    border-radius: $general-border-radius;
    color: $text-color;
    left: 0;
    list-style: none;
    padding: 0;
    position: absolute;
    top: 0;
    z-index: 1;

    li {
      margin: 0;
      padding: 0;
    }

    a {
      color: $text-color;
      display: block;
      min-width: 10rem;
      padding: 0.5rem 1rem;
    }
  }
}




///
/// TODO: A better method for combining buttons & icons needs to be developed.
///       Probably undo this mixin mess and make button, buttons with text & icons and buttons with icons only...
///
@mixin basic-button-icon($button-icon: true) {
  @include basic-button(
  $background-color: $nypl-red,
  $border-color: $nypl-red,
  $border-radius: 0.25rem,
  $button-icon: true,
  $hover-text-color: $nypl-red,
  $hover-background-color: $nypl-white,
  $text-color: $nypl-white
  );
  // We set the icon's position here and not on the general mixin since we are using a specific icon [x]
  .nypl-icon {
    height: 1rem;
    position: relative;
    top: 0.15rem;
    width: 1rem;
  }
} // /basic-button-icon



///
/// TODO: Hovering w/ different icons needs sorting out.
///
@mixin close-button($button-icon: true) {
  @include basic-button(
  $background-color: $nypl-white,
  $border-width: 0,
  $button-icon: true,
  $hover-text-color: $nypl-red,
  $text-color: $nypl-red
  );

  .nypl-icon {
    width: 1.75rem;
    height: 1.75rem;
    position: relative;
    top: 0.5rem;
  }
} // /close-button

///
/// A special case where we need to change dimensions of the button:
/// A use case its the "Filter Results"
@mixin short-button(
  // hacky
  $short-button-height: 2.1rem
  ) {
  @include basic-button(
    $background-color: $nypl-white,
    $border-color: $nypl-dark-gray,
    $border-radius: 0.25rem,
    $button-icon: true,
    $font-size: 0.85rem,
    $height: null,
    $hover-text-color: $nypl-white,
    $hover-background-color: $nypl-dark-gray,
    $padding-vertical: 0,
    $padding-horizontal: 1.5rem,
    $text-color: $nypl-dark-gray) {
    height: $short-button-height;
    padding-right: 0.5rem;
    -webkit-appearance: none !important;
  }

  .nypl-icon {
    height: 1rem;
    margin-left: 1.75rem;
    position: relative;
    top: 0.1rem;
    width: 1rem;
  }
}