/**
 * A list of colors for custom event colors. Can be an empty list of you don't 
 * need any custom event colors.
 * 
 * @example javascript
 * // Java code
 * // 'event' is an instance of EditableCalendarEvent
 * event.setStyleName("color1"); // 1st color in the list
 * event.setStyleName("color2"); // 2nd color in the list
 * // etc.
 * 
 * @group calendar
 */
$v-calendar-event-colors: #00ace0, #2d9f19, #d18100, #ce3812, #2d55cd !default;


/**
 * Outputs the global selectors and properties for the Calendar component - styles which are 
 * considered mandatory for the component to work properly.
 *
 * @param {string} $primary-stylename (v-calendar) - the primary style name for the selectors
 *
 * @group calendar
 */
@mixin valo-calendar-global ($primary-stylename: v-calendar) {
  .#{$primary-stylename}-month-day-scrollable {
    overflow-y: scroll;
  }

  .#{$primary-stylename}-week-wrapper {
    position: relative;
    overflow: hidden;
  }

  .#{$primary-stylename}-current-time {
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background: red;
    z-index: 2;
  }

  .#{$primary-stylename}-event-resizetop,
  .#{$primary-stylename}-event-resizebottom {
    position: absolute;
    height: 5%;
    min-height: 3px;
    width: 100%;
    z-index: 1;
  }

  .#{$primary-stylename}-event-resizetop {
    cursor: row-resize;
    top: 0;
  }

  .#{$primary-stylename}-event-resizebottom {
    cursor: row-resize;
    bottom: 0;
  }


  // What a truckload of magic numbers!
  // TODO Try to find out what these actually do, and how to make them dissappear

  .#{$primary-stylename}-header-month td:first-child {
    padding-left: 20px;
    // Same as VCalendar.MONTHLY_WEEKTOOLBARWIDTH - .#{$primary-stylename}-week-numbers border
  }

  .#{$primary-stylename}-week-numbers {
    //border-right: 1px solid;
  }

  .#{$primary-stylename}-month-sizedheight .#{$primary-stylename}-month-day {
    height: 100px;
  }

  .#{$primary-stylename}-month-sizedwidth .#{$primary-stylename}-month-day {
    width: 100px;
  }

  .#{$primary-stylename}-header-month-Hsized .#{$primary-stylename}-header-day {
    width: 101px;
  }

  .#{$primary-stylename}-header-month-Hsized td:first-child {
    padding-left: 21px;
  }

  .#{$primary-stylename}-header-day-Hsized {
    width: 200px;
  }

  .#{$primary-stylename}-week-numbers-Vsized .#{$primary-stylename}-week-number {
    height: 100px;
    line-height: 100px;
  }

  .#{$primary-stylename}-week-wrapper-Vsized {
    height: 400px;
    overflow-x: hidden !important;
  }

  .#{$primary-stylename}-times-Vsized .#{$primary-stylename}-time {
    height: 38px;
  }

  .#{$primary-stylename}-times-Hsized .#{$primary-stylename}-time {
    width: 42px;
  }

  .#{$primary-stylename}-day-times-Vsized .v-datecellslot,
  .#{$primary-stylename}-day-times-Vsized .v-datecellslot-even {
    height: 18px;
  }

  .#{$primary-stylename}-day-times-Hsized,
  .#{$primary-stylename}-day-times-Hsized .v-datecellslot,
  .#{$primary-stylename}-day-times-Hsized .v-datecellslot-even {
    width: 200px;
  }
}


/**
 * Outputs the selectors and properties for the Calendar component.
 *
 * @param {string} $primary-stylename (v-calendar) - the primary style name for the selectors
 *
 * @group calendar
 */
@mixin valo-calendar ($primary-stylename: v-calendar) {


  .#{$primary-stylename}-header-day {
    font-weight: $v-font-weight + 100;
    text-align: center;
    padding: round($v-unit-size/5) 0;
  }

  // Prev/next week buttons
  .#{$primary-stylename}-header-week .#{$primary-stylename}-back,
  .#{$primary-stylename}-header-week .#{$primary-stylename}-next {
    @include appearance(none);
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    outline: none;
    color: inherit;
    @include opacity(.5);

    &:focus {
      outline: none;
    }

    &:hover {
      @include opacity(1);
    }

    &:active {
      @include opacity(.5);
    }
  }

  .#{$primary-stylename}-header-week .#{$primary-stylename}-back {
    @include valo-calendar-prev-style;
  }

  .#{$primary-stylename}-header-week .#{$primary-stylename}-next {
    @include valo-calendar-next-style;
  }








  // Month grid

  .#{$primary-stylename}-month {
    outline: none;
    overflow: hidden;

    td {
      vertical-align: top;
    }
  }

  .#{$primary-stylename}-week-number {
    cursor: pointer;
    width: 20px; // Same as VCalendar.MONTHLY_WEEKTOOLBARWIDTH
    text-align: center;
    font-size: 0.8em;
    @include opacity(.5);

    &:hover {
      @include opacity(1);
    }
  }

  .#{$primary-stylename}-month-day {
    outline: none;
    box-sizing: border-box;
    line-height: 1.2;
  }

  .#{$primary-stylename}-month tr:not(:first-child) .#{$primary-stylename}-month-day {
    //width: auto !important;
  }

  .#{$primary-stylename}-bottom-spacer,
  .#{$primary-stylename}-spacer,
  .#{$primary-stylename}-bottom-spacer-empty {
    height: round($v-font-size * 1.2);
    margin-bottom: round($v-unit-size/12);
  }

  .#{$primary-stylename}-bottom-spacer {
    font-size: 0.8em;
    padding: 0 round($v-unit-size/8);
    cursor: pointer;

    &:hover {
      color: $v-focus-color;
    }
  }

  .#{$primary-stylename}-day-number {
    line-height: round($v-unit-size/1.5);
    font-size: $v-font-size;
    text-align: right;
    margin: 0 round($v-unit-size/8);
    white-space: nowrap;
    border-top: 1px solid darken($v-background-color, 3%);
    cursor: pointer;

    &:hover {
      color: $v-focus-color;
    }
  }

  .#{$primary-stylename}-month-day-today {
    background: blend-normal(rgba($v-focus-color, .05), $v-background-color);

    .#{$primary-stylename}-day-number {
      font-weight: $v-font-weight + 100;
      color: $v-focus-color;
      border-top: 2px solid $v-focus-color;
      line-height: round($v-unit-size/1.5) - 1px;
      margin: 0;
      padding: 0 round($v-unit-size/8);
    }
  }

  .#{$primary-stylename}-month-day-selected {
    background-color: blend-normal(rgba($v-selection-color, .1), $v-background-color);
  }

  .#{$primary-stylename}-month-day-dragemphasis {
      background-color: #a8a8a8;
  }

  .#{$primary-stylename}-month-day-scrollable {
    overflow-y: scroll;
  }











  // Week/day view

  $_times-column-width: 50px; // Seems to be a fixed number

  .#{$primary-stylename}-weekly-longevents {
    margin-left: $_times-column-width; // Seems to be a fixed number
    border-bottom: round($v-unit-size/12) solid darken($v-background-color, 10%);

    .#{$primary-stylename}-event-all-day {
      height: round($v-font-size * 0.85 * 1.6);
      line-height: 1.6;
      margin-bottom: round($v-unit-size/12);
    }
  }

  .#{$primary-stylename}-header-week td {
    vertical-align: middle !important;
  }

  .#{$primary-stylename}-header-week .#{$primary-stylename}-header-day {
    cursor: pointer;
  }

  .#{$primary-stylename}-times {
    width: $_times-column-width;
    font-size: 0.77em;
    line-height: 1;
    white-space: nowrap;
  }

  .#{$primary-stylename}-time {
    text-align: right;
    padding-right: round($v-unit-size/4);
    margin-top: round($v-font-size*0.8/-2);
    padding-bottom: round($v-font-size*0.8/2);
  }

  .#{$primary-stylename}-day-times,
  .#{$primary-stylename}-day-times-today {
    outline: none;
    border-right: 1px solid transparent;

    &:focus {
      outline: none;
    }
  }

  $valo-calendar-time-divider-color: first-color(valo-border($color: $v-app-background-color, $strength: 0.5));

  .#{$primary-stylename} .v-datecellslot,
  .#{$primary-stylename} .v-datecellslot-even {
    border-top: 1px solid $valo-calendar-time-divider-color;

    &:first-child {
      border-top-color: transparent;
    }
  }

  .#{$primary-stylename} .v-datecellslot {
    border-top-style: dotted;
  }

  .#{$primary-stylename} .v-datecellslot,
  .#{$primary-stylename} .v-datecellslot-even {
    margin-right: round($v-unit-size/8);
  }

  .#{$primary-stylename}-current-time {
    background: $v-focus-color;
    line-height: 1px;
    pointer-events: none;
    @include opacity(.5);

    &:before {
      content: "\2022";
      color: $v-focus-color;
      font-size: 22px;
      margin-left: -0.07em;
    }
  }

  .#{$primary-stylename} .v-daterange {
    position: relative;

    &:before {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      bottom: -1px;
      left: 0;
      background: $v-selection-color;
      @include opacity(.5);
      @if $v-border-radius > 0 {
        border-radius: $v-border-radius $v-border-radius 0 0;
      }
    }

    + .v-daterange {
      border-color: transparent;

      &:before {
        @if $v-border-radius > 0 {
          border-radius: 0;
        }
      }
    }
  }




  // Event styles

  .#{$primary-stylename}-event {
    font-size: 0.85em;
    overflow: hidden;
    cursor: pointer;
    outline: none;
    border-radius: $v-border-radius;

    &:focus {
      outline: none;
    }
  }

  .#{$primary-stylename}-event-month {
    padding: 0 round($v-unit-size/8);
    box-sizing: border-box;
    margin-bottom: round($v-unit-size/12);
    white-space: nowrap;
    text-overflow: ellipsis;
    height: round($v-font-size * 1.2);
    line-height: round($v-font-size * 1.2);

    .#{$primary-stylename}-event-time {
      float: right;
      font-size: 0.9em;
      line-height: round($v-font-size * 1.2);
      @include opacity(.5);
    }

    &:before {
      content: "\25cf";
      margin-right: .2em;
    }
  }

  .#{$primary-stylename}-event-all-day {
    padding: 0 round($v-unit-size/8);
    box-sizing: border-box;
    height: round($v-font-size * 1.2);
    line-height: round($v-font-size * 1.2);
    border-radius: 0;
    margin-left: -1px;
    white-space: nowrap;

    &:before {
      content: "";
    }
  }

  .#{$primary-stylename}-event-start {
    overflow: visible;
    margin-left: 0;

    &.#{$primary-stylename}-event-continued-to,
    &.#{$primary-stylename}-event-end {
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }

  @if $v-border-radius > 0 {
    .#{$primary-stylename}-event-start {
      border-top-left-radius: $v-border-radius;
      border-bottom-left-radius: $v-border-radius;
      margin-left: round($v-unit-size/8);
    }
    .#{$primary-stylename}-event-end {
      border-top-right-radius: $v-border-radius;
      border-bottom-right-radius: $v-border-radius;
      margin-right: round($v-unit-size/8);
    }
  }

  .#{$primary-stylename}-event-caption {
    font-weight: $v-font-weight + 200;
    line-height: 1.2;
    padding: round($v-unit-size/8) 0;
    position: absolute;
    overflow: hidden;
    right: round($v-unit-size/4);
    left: round($v-unit-size/8);
    bottom: 0;
    top: 0;

    span {
      font-weight: $v-font-weight;
      white-space: nowrap;
    }
  }

  .#{$primary-stylename}-week-wrapper .#{$primary-stylename}-event {
    overflow: visible;

    // Event is being dragged
    &[style*=" left:"] .#{$primary-stylename}-event-content {
    }
  }

  .#{$primary-stylename}-week-wrapper .#{$primary-stylename}-event-caption {

  }

  .#{$primary-stylename}-week-wrapper .#{$primary-stylename}-event-content {
    margin-top: -1px;
    border-radius: $v-border-radius + 1px;
    border: 1px solid $v-app-background-color;
    padding-top: 3px;
    margin-right: round($v-unit-size/8);
  }







  // Custom event colors

  @for $i from 1 through length($v-calendar-event-colors) {
    $color: nth($v-calendar-event-colors, $i);
    $bg: blend-normal(rgba($color, .2), $v-background-color);

    // First color is considered the default color (and stylename 'color1' will equal to that)
    $stylename: if($i == 1, '', '[class*="color#{$i}"]');

    .#{$primary-stylename}-event-month#{$stylename}:before {
      color: $color;
    }

    .#{$primary-stylename}-event-all-day#{$stylename} {
      background-color: $bg;
      background-color: rgba($bg, .8);
      color: $color;
    }

    .#{$primary-stylename}-week-wrapper .#{$primary-stylename}-event#{$stylename} {
      color: $color;

      .#{$primary-stylename}-event-content {
        background-color: $bg;
        background-color: rgba($bg, .8);
      }
    }
  }



  .#{$primary-stylename}.v-disabled * {
    cursor: default;
  }

}


/**
 * Outputs the styles for the previous button.
 * 
 * @group calendar
 */
@mixin valo-calendar-prev-style {
  &:before {
    @include valo-tabsheet-scroller-prev-icon-style;
  }
}


/**
 * Outputs the styles for the next button.
 * 
 * @group calendar
 */
@mixin valo-calendar-next-style {
  &:before {
    @include valo-tabsheet-scroller-next-icon-style;
  }
}