# frozen_string_literal: true

module SP

# Sets up a tabs with top switcher bar

class Tabs < Liquid::Block

def initialize(tag_name, markup, tokens)

super

@group = markup.strip.empty? ? 'default' : markup.strip

end

def render(context)

tab_bar_content = ''

context['tabs'] = []

context['tab_group'] = @group

result = super

context['tabs'].each_with_index do |(label, title), index|

res = index.zero? ? ' btn-purple' : ''

tab_bar_content += <<~CONTENT

<button class="skhep-bar-item #{@group}-#{label}-btn btn m-2#{res}" onclick="openTab('#{label}', '#{@group}')">#{title}</button>

CONTENT

end

<<~RETURN

<div class="skhep-bar d-flex m-2" style="justify-content:center;">

#{tab_bar_content}

</div>

#{result}

RETURN

end

end

# Sets up tabs without the top switcher bar

class TabBodies < Liquid::Block

def initialize(tag_name, markup, tokens)

super

@group = markup.strip.empty? ? 'default' : markup.strip

end

def render(context)

context['tabs'] = []

context['tab_group'] = @group

super

end

end

# This is the content of each tab

class Tab < Liquid::Block

def initialize(tag_name, markup, tokens)

super

@label, @title = markup.strip.split(/ /, 2)

end

def render(context)

raise SyntaxError, "'tab' be in 'tabs' or 'tabbodies'" unless context.key?('tabs')

group = context['tab_group'] || 'default'

res = context['tabs'].empty? ? '' : ' style="display:none;"'

context['tabs'] << [@label, @title]

<<~RETURN

<div class="skhep-tab #{group}-#{@label}-tab" markdown="1"#{res}>

#{super}

</div>

RETURN

end

end

end

Liquid::Template.register_tag('tabs', SP::Tabs)

Liquid::Template.register_tag('tabbodies', SP::TabBodies)

Liquid::Template.register_tag('tab', SP::Tab)