@import "../../../themes/ionic.globals.ios";

// iOS Toggle
// --------------------------------------------------

/// @prop - Width of the toggle
$toggle-ios-width: 51px !default;

/// @prop - Height of the toggle
$toggle-ios-height: 32px !default;

/// @prop - Border width of the toggle
$toggle-ios-border-width: 2px !default;

/// @prop - Border radius of the toggle
$toggle-ios-border-radius: $toggle-ios-height / 2 !default;

/// @prop - Background color of the unchecked toggle
$toggle-ios-background-color-off: $list-ios-background-color !default;

/// @prop - Border color of the unchecked toggle
$toggle-ios-border-color-off: grayscale(lighten($list-ios-border-color, 11%)) !default;

/// @prop - Background color of the checked toggle
$toggle-ios-background-color-on: color($colors-ios, primary) !default;

/// @prop - Width of the toggle handle
$toggle-ios-handle-width: $toggle-ios-height - ($toggle-ios-border-width * 2) !default;

/// @prop - Height of the toggle handle
$toggle-ios-handle-height: $toggle-ios-handle-width !default;

/// @prop - Border radius of the toggle handle
$toggle-ios-handle-border-radius: $toggle-ios-handle-height / 2 !default;

/// @prop - Box shadow of the toggle handle
$toggle-ios-handle-box-shadow: 0 3px 12px rgba(0, 0, 0, 0.16), 0 3px 1px rgba(0, 0, 0, 0.1) !default;

/// @prop - Background color of the toggle handle
$toggle-ios-handle-background-color: $toggle-ios-background-color-off !default;

/// @prop - Margin of the toggle handle
$toggle-ios-media-margin: 0 !default;

/// @prop - Transition duration of the toggle icon
$toggle-ios-transition-duration: 300ms !default;

/// @prop - Opacity of the disabled toggle
$toggle-ios-disabled-opacity: 0.3 !default;

/// @prop - Padding top of the toggle positioned on the start in an item
$toggle-ios-item-start-padding-top: 6px !default;

/// @prop - Padding end of the toggle positioned on the start in an item
$toggle-ios-item-start-padding-end: 16px !default;

/// @prop - Padding bottom of the toggle positioned on the start in an item
$toggle-ios-item-start-padding-bottom: 5px !default;

/// @prop - Padding start of the toggle positioned on the start in an item
$toggle-ios-item-start-padding-start: 0 !default;

/// @prop - Padding top of the toggle positioned on the end in an item
$toggle-ios-item-end-padding-top: 6px !default;

/// @prop - Padding end of the toggle positioned on the end in an item
$toggle-ios-item-end-padding-end: ($item-ios-padding-end / 2) !default;

/// @prop - Padding bottom of the toggle positioned on the end in an item
$toggle-ios-item-end-padding-bottom: 5px !default;

/// @prop - Padding start of the toggle positioned on the end in an item
$toggle-ios-item-end-padding-start: $item-ios-padding-start !default;

// iOS Toggle
// -----------------------------------------

.toggle-ios {
  position: relative;
  width: $toggle-ios-width;
  height: $toggle-ios-height;
  box-sizing: content-box;
  contain: strict;
}

// iOS Toggle Background Track: Unchecked
// -----------------------------------------

.toggle-ios .toggle-icon {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-color: $toggle-ios-border-color-off;
  transition: background-color $toggle-ios-transition-duration;
  
  @include border-radius($toggle-ios-border-radius);
}

// iOS Toggle Background Oval: Unchecked
// -----------------------------------------

.toggle-ios .toggle-icon::before {
  position: absolute;
  content: "";
  background-color: $toggle-ios-background-color-off;
  transition: transform $toggle-ios-transition-duration;
  transform: scale3d(1, 1, 1);
  
  @include position($toggle-ios-border-width, $toggle-ios-border-width, $toggle-ios-border-width, $toggle-ios-border-width);
  @include border-radius($toggle-ios-border-radius);
}

// iOS Toggle Inner Knob: Unchecked
// -----------------------------------------

.toggle-ios .toggle-inner {
  position: absolute;
  width: $toggle-ios-handle-width;
  height: $toggle-ios-handle-height;
  background-color: $toggle-ios-handle-background-color;
  box-shadow: $toggle-ios-handle-box-shadow;
  transition: transform $toggle-ios-transition-duration, width 120ms ease-in-out 80ms, left 110ms ease-in-out 80ms, right 110ms ease-in-out 80ms;
  will-change: transform;
  contain: strict;
  
  @include position($toggle-ios-border-width, null, null, $toggle-ios-border-width);
  @include border-radius($toggle-ios-handle-border-radius);
}

// iOS Toggle Background Track: Checked
// -----------------------------------------

.toggle-ios.toggle-checked .toggle-icon {
  background-color: $toggle-ios-background-color-on;
}

// iOS Toggle Background Oval: Activated or Checked
// -----------------------------------------

.toggle-ios.toggle-activated .toggle-icon::before,
.toggle-ios.toggle-checked .toggle-icon::before {
  transform: scale3d(0, 0, 0);
}

// iOS Toggle Inner Knob: Checked
// -----------------------------------------

.toggle-ios.toggle-checked .toggle-inner {
  @include transform(translate3d($toggle-ios-width - $toggle-ios-handle-width - ($toggle-ios-border-width * 2), 0, 0));
}

// iOS Toggle Background Oval: Activated and Checked
// -----------------------------------------

.toggle-ios.toggle-activated.toggle-checked .toggle-inner::before {
  transform: scale3d(0, 0, 0);
}

// iOS Toggle Inner Knob: Activated and Unchecked
// -----------------------------------------

.toggle-ios.toggle-activated .toggle-inner {
  width: $toggle-ios-handle-width + 6;
}

// iOS Toggle Inner Knob: Activated and Checked
// -----------------------------------------

.toggle-ios.toggle-activated.toggle-checked .toggle-inner {
  // when pressing down on the toggle and IS checked
  // make the knob wider and move it left a bit
  @include position-horizontal($toggle-ios-border-width - 6, null);
}

// iOS Toggle: Disabled
// -----------------------------------------

.toggle-ios.toggle-disabled,
.item-ios.item-toggle-disabled .ion-label {
  pointer-events: none;
  opacity: $toggle-ios-disabled-opacity;
}

// iOS Toggle Within An Item
// -----------------------------------------

.item-ios .toggle-ios {
  @include margin($toggle-ios-media-margin);
  @include padding($toggle-ios-item-end-padding-top, $toggle-ios-item-end-padding-end, $toggle-ios-item-end-padding-bottom, $toggle-ios-item-end-padding-start);
}

.item-ios .toggle-ios[item-left], // deprecated
.item-ios .toggle-ios[item-start] {
  @include padding($toggle-ios-item-start-padding-top, $toggle-ios-item-start-padding-end, $toggle-ios-item-start-padding-bottom, $toggle-ios-item-start-padding-start);
}

// iOS Toggle Color Mixin
// --------------------------------------------------

@mixin ios-toggle-theme($color-name, $color-base) {
  .toggle-ios-#{$color-name}.toggle-checked .toggle-icon {
    background-color: $color-base;
  }
  
}

// Generate iOS Toggle Colors
// --------------------------------------------------

@each $color-name, $color-base, $color-contrast in get-colors($colors-ios) {
  @include ios-toggle-theme($color-name, $color-base);
}