@import 'wagtailadmin/scss/variables';
@import 'wagtailadmin/scss/mixins';
@import 'wagtailadmin/scss/font-icons';
@import 'wagtailadmin/scss/variables-icons';

// =============================================================================
// Variables
// =============================================================================

$size-home-button: 3.5em;
$position: 2em;
$width-arrow: .6em;
$box-shadow-props: 0 0 1px 0 rgba(107, 214, 230, 1);
$max-items: 12;
$userbar-radius: 6px;


// Classnames will start with this parameter, eg .wagtail-
$namespace: 'wagtail';

// Possible positions for the userbar to exist in. These are set through the
// {% wagtailuserbar 'bottom-left' %} template tag.
$positions: (
    'top-left': (
        'vertical': 'top',
        'horizontal': 'left',
        'arrow': 'bottom'
    ),
    'top-right': (
        'vertical': 'top',
        'horizontal': 'right',
        'arrow': 'bottom'
    ),
    'bottom-left': (
        'vertical': 'bottom',
        'horizontal': 'left',
        'arrow': 'top'
    ),
    'bottom-right': (
        'vertical': 'bottom',
        'horizontal': 'right',
        'arrow': 'top'
    )
);


// =============================================================================
// Fonts
// =============================================================================

@include webfont(Open Sans, opensans-regular, 400, normal);

// =============================================================================
// Namespaced icon component
// =============================================================================

//  TODO: refactor into a mixin
.#{$namespace}-icon:before {
    @include icon();
}


// =============================================================================
// Icons
// =============================================================================

@each $icon, $content in $icons {
    .#{$namespace}-icon-#{$icon}:before {
        content: quote(#{$content});
    }
}

@each $icon, $content in $icons-after {
    .#{$namespace}-icon-#{$icon}:after {
        content: quote(#{$content});
    }
}


// =============================================================================
// Wagtail userbar proper
// =============================================================================

.#{$namespace}-userbar-reset {
    all: initial;
}


.#{$namespace}-userbar {
    position: fixed;
    z-index: 9999;
    font-size: initial !important;
    line-height: initial;
    margin: 0;
    padding: 0;
    display: block;
    border: 0;
    width: auto;
    height: auto;
}

    .#{$namespace}-userbar-trigger {
        display: flex;
        align-items: center;
        justify-content: center;
        width: $size-home-button;
        height: $size-home-button;
        margin: 0 !important;
        overflow: hidden;
        background-color: $color-white;
        border-radius: 50%;
        color: $color-black;
        padding: 0 !important;
        cursor: pointer;
        box-shadow: $box-shadow-props, 0 1px 10px 0 rgba(107, 214, 230, .7);
        transition: all 0.2s ease-in-out;
        font-size: 16px;
        text-decoration: none !important;
        position: relative;

        .#{$namespace}-userbar.touch.is-active &,
        .#{$namespace}-userbar.no-touch &:hover {
            box-shadow: $box-shadow-props, 0 3px 15px 0 rgba(107, 214, 230, .95);
        }

        .#{$namespace}-userbar-help-text {
            position: absolute;
            top: 100%;
            left: 0;
        }

        &.#{$namespace}-icon:before {
            transition: color .2s ease;
            font-size: 32px;
            width: auto;
            margin: 0;
        }
    }

    .#{$namespace}-userbar-items {
        display: block;
        list-style: none;
        position: absolute;
        margin: 0;
        min-width: 210px;
        visibility: hidden;
        font-family: 'Open Sans', sans-serif;
        font-size: 14px;
        box-sizing: border-box;
        padding-left: 0;
        text-decoration: none;

        .#{$namespace}-userbar.is-active & {
            visibility: visible;
        }
    }

    // Arrow
    .#{$namespace}-userbar-items:after {
        content: '';
        position: absolute;
        width: 0;
        height: 0;
        opacity: 0;
        border: solid $width-arrow transparent;
        transition-duration: .15s;
        transition-timing-function: cubic-bezier(.55, 0, .1, 1);

        .#{$namespace}-userbar.is-active & {
            opacity: 1;
            transform: translateY(0);
            transition-delay: .3s;
        }
    }


    .#{$namespace}-userbar-nav {
        background: transparent !important;
        padding: 0;
        margin: 0 !important;
        display: block !important;

        .#{$namespace}-action {

            background: transparent;
        }
    }



    .#{$namespace}-userbar__item {
        margin: 0;
        background-color: $color-grey-1;
        opacity: 0;
        overflow: hidden;
        transition-duration: .125s;
        transition-timing-function: cubic-bezier(.55, 0, .1, 1);
        font-family: 'Open Sans', sans-serif;
        font-size: 16px !important;
        text-decoration: none !important;

        &:first-child {
            border-top-left-radius: $userbar-radius;
            border-top-right-radius: $userbar-radius;
        }

        &:last-child {
            border-bottom-right-radius: $userbar-radius;
            border-bottom-left-radius: $userbar-radius;
        }

        & + & {
            border-top: 1px solid darken($color-grey-1, 3%);
        }


        a,
        .#{$namespace}-action {
            color: #aaa;
            display: block;
            text-decoration: none !important;
            transform: none !important;
            transition: none !important;
            margin: 0 !important;
            font-size: 14px !important;

            &:hover,
            &:focus {
                outline: none;
                color: $color-white;
                background-color: rgba(100, 100, 100, 0.15);
            }
        }

        .#{$namespace}-icon {
            position: relative;

            &:before {
                position: absolute;
                top: 50%;
                transform: translateY(-50%);
                left: 14px;
            }
        }

        a,
        input {
            font-size: 14px !important;
            text-align: left;
            padding: 0.8em 1.7em 0.8em 2.7em;
        }

        input {
            border: 0;
            background: none;
            width: 100%;
        }
    }




// =============================================================================
// Userbar positional classes (tl, tr, bl, br)
// =============================================================================

@each $pos, $attrs in $positions {
    $vertical: map-get($attrs, vertical);
    $horizontal: map-get($attrs, horizontal);
    $arrow: map-get($attrs, arrow);

    .#{$namespace}-userbar--#{$pos} {
        #{$vertical}: $position;
        #{$horizontal}: $position;

        .#{$namespace}-userbar-items {
            #{$vertical}: 100%;
            #{$horizontal}: 0;
            padding-#{$vertical}: $width-arrow * 2;
        }

        .#{$namespace}-userbar-nav .#{$namespace}-userbar__item {
            // Yes, we could use an @else, but there's a bug in scss-lint.
            @if $vertical == 'bottom' {
                transform: translateY(1em);
            }

            @if $vertical == 'top' {
                transform: translateY(-1em);
            }
        }

        .#{$namespace}-userbar-items:after {
            #{$vertical}: 2px;
            #{$horizontal}: $size-home-button / 2 - $width-arrow / 2;
            border-#{$arrow}-color: $color-grey-1;

            @if $vertical == 'bottom' {
                transform: translateY(-$width-arrow);
            }
            @if $vertical == 'top' {
                transform: translateY($width-arrow);
            }
        }

        &.is-active .#{$namespace}-userbar__item {
            @for $i from 1 through $max-items {

                @if $vertical == 'bottom' {
                    $prop: 'nth-last-child' !global;
                }

                @if $vertical == 'top' {
                    $prop: 'nth-child' !global;
                }

                &:#{unquote($prop)}(#{$i}) {
                    transition-delay: .05s * $i;
                }
            }
        }
    }
}


// =============================================================================
// States
// =============================================================================

// Active state for the list items comes last.

.#{$namespace}-userbar.is-active .#{$namespace}-userbar__item {
    transform: translateY(0) !important;
    opacity: 1 !important;
}
