# frozen_string_literal: true

module Casein
  module CaseinHelper
    def casein_get_footer_string(include_version = false)
      if include_version
        "Running on #{link_to 'Casein', 'http://www.caseincms.com'} #{casein_get_full_version_string}, an open-source project.".html_safe
      else
        "Running on #{link_to 'Casein', 'http://www.caseincms.com'}, an open-source project.".html_safe
      end
    end

    def casein_get_version_info
      Casein::VERSION_HASH
    end

    def casein_get_full_version_string
      "v#{Casein::VERSION}"
    end

    def casein_get_short_version_string
      version_info = casein_get_version_info
      "v#{version_info[:major]}"
    end

    def casein_generate_page_title
      return casein_config_website_name if @casein_page_title.nil?

      casein_config_website_name + ' > ' + @casein_page_title
    end

    def casein_get_access_level_text(level)
      case level
      when $CASEIN_USER_ACCESS_LEVEL_ADMIN
        'Administrator'
      when $CASEIN_USER_ACCESS_LEVEL_USER
        'User'
      else
        'Unknown'
      end
    end

    def casein_get_access_level_array
      [['Administrator', $CASEIN_USER_ACCESS_LEVEL_ADMIN], ['User', $CASEIN_USER_ACCESS_LEVEL_USER]]
    end

    def casein_pagination_details(objs)
      " <small class='pagination-details'>/ page #{objs.current_page} of #{objs.total_pages}</small>".html_safe if objs.current_page && objs.total_pages > 1
    end

    def casein_table_cell_link(contents, link, options = {})
      if options.key? :casein_truncate
        contents = truncate(contents, length: options[:casein_truncate], omission: '...')
      end

      link_to contents.to_s.html_safe, link, options
    end

    def casein_table_cell_no_link(contents, options = {})
      if options.key? :casein_truncate
        contents = truncate(contents, length: options[:casein_truncate], omission: '...')
      end

      "<div class='no-link'>#{contents}</div>".html_safe
    end

    def casein_span_icon(icon_name)
      "<span class='glyphicon glyphicon-#{icon_name}' title='#{icon_name.titleize}'></span>"
    end

    def casein_show_icon(icon_name)
      "<div class='icon'>#{casein_span_icon icon_name}</div>".html_safe
    end

    def casein_show_row_icon(icon_name)
      "<div class='iconRow'>#{casein_span_icon icon_name}</div>".html_safe
    end

    def casein_format_date(date, format = '%b %d, %Y')
      date.strftime(format)
    end

    def casein_format_time(time, format = '%H:%M')
      time.strftime(format)
    end

    def casein_format_datetime(datetime, format = '%b %d, %Y %H:%M')
      datetime.strftime(format)
    end

    def casein_sort_link(title, column, options = {})
      condition = options[:unless] if options.key?(:unless)
      icon_to_show_html = "<div class='table-header-icon'>&nbsp;</div>".html_safe
      if params[:c].to_s == column.to_s
        icon_to_show = params[:d] == 'down' ? 'chevron-up' : 'chevron-down'
        icon_to_show_html = "<div class='table-header-icon glyphicon glyphicon-#{icon_to_show}'></div>".html_safe
      end
      sort_dir = params[:d] == 'down' ? 'up' : 'down'
      link_to_unless(condition, title, request.parameters.merge(c: column, d: sort_dir)) + icon_to_show_html
    end

    def casein_yes_no_label(value)
      if value
        "<span class='label label-success'>Yes</span>".html_safe
      else
        "<span class='label label-danger'>No</span>".html_safe
      end
    end

    def casein_no_yes_label(value)
      if value
        "<span class='label label-danger'>Yes</span>".html_safe
      else
        "<span class='label label-success'>No</span>".html_safe
      end
    end

    # Styled form tag helpers

    def casein_text_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.text_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_password_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.password_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_text_area(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.text_area(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_text_area_big(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.text_area(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_check_box(form, obj, attribute, options = {})
      form_tag = "<div class='check-box'>#{form.check_box(attribute, strip_casein_options(options))}</div>".html_safe
      casein_form_tag_wrapper(form_tag, form, obj, attribute, options).html_safe
    end

    def casein_check_box_group(form, obj, check_boxes = {})
      form_tags = ''

      check_boxes.each do |check_box|
        form_tags += casein_check_box form, obj, check_box[0], check_box[1]
      end

      casein_form_tag_wrapper(form_tag, form, obj, attribute, options)
    end

    def casein_radio_button(form, obj, attribute, tag_value, options = {})
      form_tag = form.radio_button(obj, attribute, tag_value, strip_casein_options(options))

      if options.key? :casein_button_label
        form_tag = '<div>' + form_tag + "<span class=\"rcText\">#{options[:casein_button_label]}</span></div>".html_safe
      end

      casein_form_tag_wrapper(form_tag, form, obj, attribute, options).html_safe
    end

    def casein_radio_button_group(form, obj, radio_buttons = {})
      form_tags = ''

      radio_buttons.each do |_radio_button|
        form_tags += casein_radio_button form, obj, check_box[0], check_box[1], check_box[2]
      end

      casein_form_tag_wrapper(form_tag, form, obj, attribute, options).html_safe
    end

    def casein_select(form, obj, attribute, option_tags, options = {}, html_options = {})
      html_options_to_use = merged_class_hash(options, 'form-control') # legacy support
      html_options_to_use = options_hash_with_merged_classes(html_options, html_options_to_use[:class])

      casein_form_tag_wrapper(form.select(attribute, option_tags, strip_casein_options(options), html_options_to_use), form, obj, attribute, options).html_safe
    end

    def casein_time_zone_select(form, obj, attribute, option_tags, options = {})
      casein_form_tag_wrapper(form.time_zone_select(attribute, option_tags, strip_casein_options(options), merged_class_hash(options, 'form-control')), form, obj, attribute, options).html_safe
    end

    # e.g. casein_collection_select f, f.object, :article, :author_id, Author.all, :id, :name, { prompt: 'Select author' }
    def casein_collection_select(form, obj, object_name, attribute, collection, value_method, text_method, options = {})
      casein_form_tag_wrapper(collection_select(object_name, attribute, collection, value_method, text_method, strip_casein_options(options), merged_class_hash(options, 'form-control')), form, obj, attribute, options).html_safe
    end

    def casein_date_select(form, obj, attribute, options = {})
      casein_form_tag_wrapper("<div class='casein-date-select'>".html_safe + form.date_select(attribute, strip_casein_options(options), merged_class_hash(options, 'form-control')) + '</div>'.html_safe, form, obj, attribute, options).html_safe
    end

    def casein_time_select(form, obj, attribute, options = {})
      casein_form_tag_wrapper("<div class='casein-time-select'>".html_safe + form.time_select(attribute, strip_casein_options(options), merged_class_hash(options, 'form-control')) + '</div>'.html_safe, form, obj, attribute, options).html_safe
    end

    def casein_datetime_select(form, obj, attribute, options = {})
      casein_form_tag_wrapper("<div class='casein-datetime-select'>".html_safe + form.datetime_select(attribute, strip_casein_options(options), merged_class_hash(options, 'form-control')) + '</div>'.html_safe, form, obj, attribute, options).html_safe
    end

    def casein_file_field(form, obj, _object_name, attribute, options = {})
      class_hash = merged_class_hash(options, 'form-control')
      contents = "<div class='#{class_hash[:class]}'>" + form.file_field(attribute, strip_casein_options(options)) + '</div>'

      if options.key? :casein_contents_preview
        contents = options[:casein_contents_preview].html_safe + contents.html_safe
      end

      casein_form_tag_wrapper(contents, form, obj, attribute, options).html_safe
    end

    def casein_hidden_field(form, _obj, attribute, options = {})
      form.hidden_field(attribute, strip_casein_options(options)).html_safe
    end

    def casein_color_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.color_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_search_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.search_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_telephone_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.telephone_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_url_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.url_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_email_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.email_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_date_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.date_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_datetime_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.datetime_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_datetime_local_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.datetime_local_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_month_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.month_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_week_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.week_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_time_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.time_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_number_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.number_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_range_field(form, obj, attribute, options = {})
      casein_form_tag_wrapper(form.range_field(attribute, strip_casein_options(options_hash_with_merged_classes(options, 'form-control'))), form, obj, attribute, options).html_safe
    end

    def casein_custom_field(form, obj, attribute, custom_contents, options = {})
      casein_form_tag_wrapper(custom_contents, form, obj, attribute, options).html_safe
    end

    protected

    def strip_casein_options(options)
      options.reject { |key, _value| key.to_s.include? 'casein_' }
    end

    def merged_class_hash(options, new_class)
      new_class += " #{options[:class]}" if options.key? :class

      { class: new_class }
    end

    def options_hash_with_merged_classes(options, new_class)
      new_class += " #{options[:class]}" if options.key? :class
      options[:class] = new_class
      options
    end

    def casein_form_tag_wrapper(form_tag, form, obj, attribute, options = {})
      human_attribute_name = if options.key? :casein_label
                               options[:casein_label]
                             else
                               attribute.to_s.humanize.titleize
                             end

      sublabel = ''

      if options.key? :casein_sublabel
        sublabel = " <small>#{options[:casein_sublabel]}</small>".html_safe
      end

      html = ''

      if obj && obj.errors[attribute].any?
        html += "<div class='form-group has-error'>"
        html += form.label(attribute, "#{human_attribute_name} #{obj.errors[attribute].first}".html_safe, class: 'control-label')
      else
        html += "<div class='form-group'>"
        html += form.label(attribute, "#{human_attribute_name}#{sublabel}".html_safe, class: 'control-label')
      end

      html += "<div class='well'>#{form_tag}</div></div>"
    end
  end
end