//- 💫 MIXINS > BASE

//- Aside wrapper
    label - [string] aside label

mixin aside-wrapper(label)
    aside.c-aside
        .c-aside__content(role="complementary")&attributes(attributes)
            if label
                h4.u-text-label.u-text-label--dark=label

            block

//- Date
    input - [string] date in the format YYYY-MM-DD

mixin date(input)
    - var date = new Date(input)
    - var months = [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ]

    time(datetime=JSON.parse(JSON.stringify(date)))&attributes(attributes)=months[date.getMonth()] + ' ' + date.getDate() + ', ' + date.getFullYear()


//- SVG from map
    file   - [string] SVG file name in /assets/img/
    name   - [string] SVG symbol id
    width  - [integer] width in px
    height - [integer] height in px (default: same as width)

mixin svg(file, name, width, height)
    svg(aria-hidden="true" viewBox="0 0 #{width} #{height || width}" width=width height=(height || width))&attributes(attributes)
        use(xlink:href="/assets/img/#{file}.svg##{name}")


//- Icon
    name - [string] icon name, should be SVG symbol ID
    size - [integer] icon width and height (default: 20)

mixin icon(name, size)
    +svg("icons", name, size || 20).o-icon&attributes(attributes)


//- Pro/Con/Neutral icon
    icon - [string] "pro", "con" or "neutral" (default: "neutral")

mixin procon(icon)
    - colors = { pro: "green", con: "red", neutral: "yellow" }
    +icon(icon)(class="u-color-#{colors[icon] || 'subtle'}" aria-label=icon)&attributes(attributes)


//- Headlines Helper Mixin
    level - [integer] 1, 2, 3, 4, or 5

mixin headline(level)
    if level == 1
        h1.u-heading-1&attributes(attributes)
            block

    else if level == 2
        h2.u-heading-2&attributes(attributes)
            block

    else if level == 3
        h3.u-heading-3&attributes(attributes)
            block

    else if level == 4
        h4.u-heading-4&attributes(attributes)
            block

    else if level == 5
        h5.u-heading-5&attributes(attributes)
            block


//- Permalink rendering
    id - [string] permalink ID used for link anchor

mixin permalink(id)
    if id
        a.u-permalink(id=id href="##{id}")
            +icon("anchor").u-permalink__icon
            block

    else
        block


//- Terminal-style code window
    label - [string] title displayed in top bar of terminal window

mixin terminal(label)
    .x-terminal
        .x-terminal__icons: span
        .u-padding-small.u-text-label.u-text-center=label

        +code.x-terminal__code
            block


//- Gitter chat button and widget
    button - [string] text shown on button
    label  - [string] title of chat window (default: same as button)

mixin gitter(button, label)
    aside.js-gitter.c-chat.is-collapsed(data-title=(label || button))

    button.js-gitter-button.c-chat__button.u-text-small
        +icon("chat").o-icon--inline
        !=button


//- Logo

mixin logo()
    +svg("graphics", "spacy", 500).o-logo&attributes(attributes)


//- Landing

mixin landing-header()
    header.c-landing
        .c-landing__wrapper
            .c-landing__content
                block