class AdminUI::FilterTable

# File app/lib/ui/table.rb, line 10
def self.empty(message = '', status: :SKIP, status_message: '')
  return FilterTable.new if message.empty?

  FilterTable.new(
    columns: [
      Column.new('message')
    ],
    data: [
      Row.new([message])
    ],
    status: status,
    status_message: status_message
  )
end

# File app/lib/ui/table.rb, line 25
def initialize(columns: [], data: [], filters: [], totals: false, description: '', status: :SKIP,
  status_message: '', pagination: { enabled: false })
  @columns = columns
  @rows = data
  @filters = filters
  @filterable = false
  @totals = totals
  @description = description
  @pagination = pagination
  @columns.each do |col|
    @filterable = true if col.filterable
  end
  @status = status
  @status_message = status_message
end

# File app/lib/ui/table.rb, line 73
def add_column(column)
  @columns.push(column)
  @filterable = true if column.filterable
end

# File app/lib/ui/table.rb, line 60
def add_filter(filter)
  @filters.push(filter)
end

# File app/lib/ui/table.rb, line 64
def add_row(row)
  @rows.push(row)
  i = get_column_index(:status)
  return if i.negative?

  statval = UC3::UC3Client.status_resolve(row.cols[i])
  @status = UC3::UC3Client.status_compare(statval, @status)
end

# File app/lib/ui/table.rb, line 53
def get_column_index(colsym)
  @columns.each_with_index do |col, i|
    return i if col.sym.to_sym == colsym.to_sym
  end
  -1
end

# File app/lib/ui/table.rb, line 111
def render
  s = %(
<div class='table'>
<table class='data sortable'>
<caption>
  #{render_status}
  #{render_counts}
  #{render_description}
  #{render_filters}
</caption>
<thead>
<tr class='header'>
  #{render_column_headers}
</tr>
#{render_column_filters}
</thead>
<tbody>
)
  @rows.each do |row|
    s += row.render(@columns)
  end
  s += %(</tbody>)
  if @totals
    s += %(<tfoot><tr class='totals'>)
    @columns.each_with_index do |col, i|
      s += %(<td class='#{col.cssclass}'>)
      s += i.zero? ? 'Total' : ''
      s += %(</td>)
    end
    s += %(</tr></tfoot>)
  end
  s += %(</table></div>)
  s
end

# File app/lib/ui/table.rb, line 86
def render_column_filters
  s = ''
  if filterable
    s += %(<tr class='filters'>)
    @columns.each_with_index do |col, i|
      s += %(<th class='#{col.cssclass}'>)
      s += %(<button class='filter' title='remove filters to make table sortable'>Clear</button>) if i.zero?
      if col.filterable
        s += %(
        <select data='#{col.cssclass}' class='filter'>
          <option value='ALLVALS'>All</option>
        </select>
        )
      end
      s += %(</th>)
    end
    s += '</tr>'
  end
  s
end

# File app/lib/ui/table.rb, line 78
def render_column_headers
  s = ''
  @columns.each do |col|
    s += "<th class='#{col.cssclass}'>#{col.header}</th>"
  end
  s
end

# File app/lib/ui/table.rb, line 165
def render_counts
  counts = "#{@rows.length} Row(s)"
  nav = {}
  if pagination.fetch(:enabled, false)
    limit = pagination.fetch(:LIMIT, 0)
    offset = pagination.fetch(:OFFSET, 0)
    path = pagination.fetch(:path, '')
    urlparams = pagination.fetch(:urlparams, {})
    counts += "; Limit: #{limit}; Offset: #{offset}"
    if offset.positive?
      offsetprev = [offset - limit, 0].max
      nav[:prev] = render_page_link('prev', path, urlparams, limit, offsetprev)
      nav[:first] = render_page_link('first', path, urlparams, limit, 0) if offsetprev.positive?
    end
    nav[:next] = render_page_link('next', path, urlparams, limit, offset + limit) if @rows.length == limit
  end
  return '' if @rows.empty?

  %(
    <div class='counts'>
    #{nav.fetch(:first, '')}
    #{nav.fetch(:prev, '')}
    <span>#{counts}<span>
    #{nav.fetch(:next, '')}
    </div>
  )
end

# File app/lib/ui/table.rb, line 193
def render_description
  return '' if @description.empty?

  %(<div class='description'>#{Redcarpet::Markdown.new(
    Redcarpet::Render::HTML.new,
    fenced_code_blocks: true,
    tables: true
  ).render(@description)}</div>)
end

# File app/lib/ui/table.rb, line 146
def render_filters
  return '' if @filters.empty?

  s = '<div id="controls">'
  @filters.each do |filter|
    s += filter.render
  end
  s += '</div>'
  s
end

# File app/lib/ui/table.rb, line 157
def render_page_link(title, path, urlparams, limit, offset)
  params = urlparams
  params['limit'] = limit
  params['offset'] = offset
  query_string = params.map { |key, value| "#{key}=#{value}" }.join('&')
  %(<a href="#{path}?#{query_string}">#{title}</a>)
end

# File app/lib/ui/table.rb, line 107
def render_status
  %(<div class="#{@status}">#{@status}</div>) if @status
end

# File app/lib/ui/table.rb, line 41
def table_data
  d = []
  @rows.each do |row|
    r = {}
    row.cols.each_with_index do |col, i|
      r[@columns[i].sym.to_sym] = col.is_a?(Hash) ? col.fetch(:value, '') : col
    end
    d.append(r)
  end
  d
end

# File app/lib/ui/table.rb, line 203
def to_csv
  CSV.generate do |csv|
    row = @columns.map(&:header)
    csv << row
    @rows.each do |row|
      data = []
      row.cols.each_with_index do |col, _i|
        if col.is_a?(Hash)
          v = col.fetch(:value, '')
          v = v.to_s if v.is_a?(BigDecimal)
        else
          v = col.to_s
        end
        data << v
      end
      csv << data
    end
  end
end