module CmAdmin::ViewHelpers::FilterHelper

def add_date_filter(filter)
  value = params.dig(:filters, :date, :"#{filter.db_column_name}")
  concat(content_tag(:div, class: "position-relative mr-3 #{value ? '' : 'hidden'}") do
    concat filter_chip(value, filter)
    concat(content_tag(:div, class: 'date-filter-wrapper w-100') do
      concat tag.input class: 'w-100 pb-1', value: "#{value ? value : ''}", data: {behaviour: 'filter', filter_type: "#{filter.filter_type}", db_column: "#{filter.db_column_name}"}
    end)
  end)
  return
end

def add_filters_dropdown(filters)
  concat(content_tag(:div, class: 'dropdown add-filter-btn', data: {bs_toggle: 'dropdown'}) do
    tag.span '+ Add filter'
  end)
  concat(content_tag(:div, class: 'dropdown-menu dropdown-popup') do
    concat(content_tag(:div, class: 'popup-base') do
      concat(content_tag(:div, class: 'popup-inner') do
        concat(content_tag(:div, class: 'search-area') do
          concat tag.input placeholder: 'Search for filter', data: {behaviour: 'dropdown-filter-search'}
        end)
        concat(content_tag(:div, class: 'list-area') do
          filters.each do |filter|
            concat(content_tag(:div, class: 'pointer list-item', data: {behaviour: 'filter-option', filter_type: "#{filter.filter_type}", db_column: "#{filter.db_column_name}"}) do
              tag.span filter.db_column_name.to_s.titleize
            end)
          end
        end)
      end)
    end)
  end)
  return
end

def add_multi_select_filter(filter)
  value = params.dig(:filters, :"#{filter.filter_type}", :"#{filter.db_column_name}")
  concat(content_tag(:div, class: "position-relative mr-3 #{value ? '' : 'hidden'}") do
    concat filter_chip(value, filter)
    concat(content_tag(:div, class: 'position-absolute mt-2 dropdown-popup hidden') do
      concat(content_tag(:div, class: 'popup-base') do
        concat(content_tag(:div, class: 'popup-inner') do
          concat(content_tag(:div, class: "#{value ? 'search-with-chips' : 'search-area'}") do
            if value
              value.each do |val|
                concat(content_tag(:div, class: 'chip') do
                  concat tag.span val
                  concat(content_tag(:span, data: { behaviour: 'selected-chip' }) do
                    tag.i class: 'fa fa-times'
                  end)
                end)
              end
            end
            concat tag.input placeholder: "#{filter.placeholder}", data: {behaviour: 'dropdown-filter-search'}
          end)
          concat(content_tag(:div, class: 'list-area') do
            filter.collection.each do |val|
              concat(content_tag(:div, class: "pointer list-item #{(value && value.eql?(val)) ? 'selected' : ''}", data: {behaviour: 'select-option', filter_type: "#{filter.filter_type}", db_column: "#{filter.db_column_name}", value: val}) do
                concat tag.input class: 'cm-checkbox', type: 'checkbox', checked: value ? value.include?(val) : false
                concat tag.label val.to_s.titleize, class: 'pointer'
              end)
            end
          end)
          concat tag.div 'Apply', class: "apply-area #{value ? 'active' : ''}"
        end)
      end)
    end)
  end)
  return
end

def add_range_filter(filter)
  value = params.dig(:filters, :range, :"#{filter.db_column_name}")
  concat(content_tag(:div, class: "position-relative mr-3 #{value ? '' : 'hidden'}") do
    concat filter_chip(value, filter)
    concat(content_tag(:div, class: 'position-absolute mt-2 range-container hidden') do
      concat tag.input type: 'number', min: '0', step: '1', class: 'range-item', value: "#{value ? value.split(' to ')[0] : ''}", placeholder: 'From', data: {behaviour: 'filter', filter_type: "#{filter.filter_type}", db_column: "#{filter.db_column_name}"}
      concat tag.input type: 'number', min: '0', step: '1', class: 'range-item', value: "#{value ? value.split(' to ')[1] : ''}", placeholder: 'To', data: {behaviour: 'filter', filter_type: "#{filter.filter_type}", db_column: "#{filter.db_column_name}"}
    end)
  end)
  return
end

def add_search_filter(filter)
  tag.div class: 'filter-search mr-3' do
    tag.div class: 'form-field' do
      tag.div class: 'field-input-wrapper' do
        concat(content_tag(:input, class: 'search-input', value: "#{params.dig(:filters, :search)}", placeholder: "#{filter.placeholder}", data: {behaviour: 'input-search'}) do
          tag.span class: 'search-input-icon' do
            tag.i class: 'fa fa-search'
          end
        end)
      end
    end
  end
end

def add_single_select_filter(filter)
  value = params.dig(:filters, :"#{filter.filter_type}", :"#{filter.db_column_name}")
  concat(content_tag(:div, class: "position-relative mr-3 #{value ? '' : 'hidden'}") do
    concat filter_chip(value, filter)
    concat(content_tag(:div, class: 'dropdown-menu dropdown-popup') do
      concat(content_tag(:div, class: 'popup-base') do
        concat(content_tag(:div, class: 'popup-inner') do
          concat(content_tag(:div, class: 'search-area') do
            concat tag.input placeholder: "#{filter.placeholder}", data: {behaviour: 'dropdown-filter-search'}
          end)
          concat(content_tag(:div, class: 'list-area') do
            filter.collection.each do |val|
              concat(content_tag(:div, class: "pointer list-item #{(value.present? && value.eql?(val)) ? 'selected' : ''}", data: {behaviour: 'select-option', filter_type: "#{filter.filter_type}", db_column: "#{filter.db_column_name}", value: val}) do
                concat tag.span val.to_s
              end)
            end
          end)
        end)
      end)
    end)
  end)
  return
end

def clear_filters
  concat(content_tag(:div, class: "clear-btn #{params.dig(:filters) ? '' : 'hidden'}") do
    tag.span 'Clear all'
  end)
  return
end

def filter_chip(value, filter)
  data_hash = {behaviour: 'filter-input', filter_type: "#{filter.filter_type}", db_column: "#{filter.db_column_name}"}
  data_hash.merge!(bs_toggle: 'dropdown') if filter.filter_type.to_s.eql?('single_select')
  if value && filter.filter_type.to_s.eql?('multi_select')
    truncated_value = value[0]
    truncated_value += " + #{value.size - 1} more" if truncated_value.size > 1
  end
  concat(content_tag(:div, class: "filter-chip #{filter.filter_type.to_s.eql?('single_select') ? 'dropdown' : ''}", data: data_hash) do
    concat tag.span "#{filter.db_column_name.to_s.titleize} is "
    concat tag.span "#{filter.filter_type.to_s.eql?('multi_select') ? truncated_value : value}"
    concat(content_tag(:div, class: "filter-chip-remove #{value ? '' : 'hidden'}") do
      tag.i class: 'fa fa-times bolder'
    end)
  end)
  return
end

def filter_ui(filters)
  filters.each do |filter|
    case filter.filter_type
    when :date
      concat add_date_filter(filter)
    when :range
      concat add_range_filter(filter)
    when :single_select
      concat add_single_select_filter(filter)
    when :multi_select
      concat add_multi_select_filter(filter)
    end
  end
  return
end

def generate_filters(filters)
  search_filter = filters.select{ |x| x.filter_type.eql?(:search) }.last
  other_filters = filters.reject{ |x| x.filter_type.eql?(:search) }
  concat(content_tag(:div, class: 'cm-filters-v2') do
    concat(content_tag(:div, class: 'cm-filters-v2__inner') do
      concat add_search_filter(search_filter) if search_filter
      if other_filters.any?
        concat filter_ui(other_filters)
        concat add_filters_dropdown(other_filters)
      end
      concat clear_filters
    end)
  end)
  return
end