module DepartmentsHelper
  def render_department_rows(departments, level)
    html = ''.html_safe
    departments.each do |dept|
      html << render_department_row(dept, level)
      html << render_department_rows(dept.children.sorted, level + 1) if dept.children.any?
    end
    html
  end

  def render_department_row(dept, level)
    indent = ('&nbsp;&nbsp;&nbsp;&nbsp;' * level).html_safe
    prefix = level > 0 ? '└ '.html_safe : ''.html_safe
    leader = dept.effective_leader
    member_count = dept.all_members.count

    content_tag(:tr) do
      content_tag(:td) do
        indent + prefix + link_to(dept.name, department_path(dept), class: 'icon icon-group')
      end +
      content_tag(:td) do
        type_badge(dept.department_type)
      end +
      content_tag(:td) do
        if leader
          name = link_to(leader.name, user_path(leader))
          badge = dept.has_acting_leader? ? content_tag(:span, '대결', style: 'background: #ffc107; color: #333; padding: 1px 5px; border-radius: 3px; font-size: 10px; margin-left: 3px;') : ''.html_safe
          name + badge
        else
          '-'.html_safe
        end
      end +
      content_tag(:td, member_count) +
      content_tag(:td) do
        link_to('관리', department_path(dept), class: 'icon icon-edit') + ' '.html_safe +
        link_to('수정', edit_department_path(dept), class: 'icon icon-edit') + ' '.html_safe +
        link_to('삭제', "/org_chart/#{dept.id}", method: :delete,
                data: { confirm: '정말 삭제하시겠습니까?' }, class: 'icon icon-del')
      end
    end
  end

  def type_badge(type)
    colors = {
      'ceo' => '#dc3545',
      'executive' => '#6f42c1',
      'division' => '#007bff',
      'team' => '#28a745'
    }
    labels = {
      'ceo' => 'CEO',
      'executive' => 'C-Level',
      'division' => '본부',
      'team' => '팀'
    }
    color = colors[type] || '#6c757d'
    label = labels[type] || type
    content_tag(:span, label, style: "background: #{color}; color: white; padding: 2px 8px; border-radius: 3px; font-size: 11px;")
  end

  # 본부와 하위 팀을 렌더링 (팀은 세로 배열)
  def render_org_branch(division)
    teams = Department.teams.where(parent_id: division.id).sorted

    content_tag(:div, class: 'org-node') do
      card = content_tag(:div, class: 'org-card org-division', onclick: "location.href='#{department_path(division)}'") do
        html = content_tag(:div, '본부', class: 'org-type')
        html += content_tag(:h4, division.name)
        if division.effective_leader
          leader_class = division.has_acting_leader? ? 'org-leader acting' : 'org-leader'
          leader_text = division.has_acting_leader? ? "대결: #{division.effective_leader.name}" : division.effective_leader.name
          html += content_tag(:div, leader_text, class: leader_class)
        else
          html += content_tag(:div, '(본부장 미지정)', class: 'org-leader no-leader')
        end
        html += content_tag(:div, "#{division.all_members.count}명", class: 'org-members')
        html
      end

      if teams.any?
        children = content_tag(:div, class: 'org-branch-children-vertical') do
          teams.map do |team|
            content_tag(:div, class: 'org-node-vertical') do
              content_tag(:div, class: 'org-card org-team', onclick: "location.href='#{department_path(team)}'") do
                t_html = content_tag(:div, '팀', class: 'org-type')
                t_html += content_tag(:h4, team.name)
                if team.effective_leader
                  leader_class = team.has_acting_leader? ? 'org-leader acting' : 'org-leader'
                  leader_text = team.has_acting_leader? ? "대결: #{team.effective_leader.name}" : team.effective_leader.name
                  t_html += content_tag(:div, leader_text, class: leader_class)
                else
                  t_html += content_tag(:div, '(팀장 미지정)', class: 'org-leader no-leader')
                end
                t_html += content_tag(:div, "#{team.all_members.count}명", class: 'org-members')
                t_html
              end
            end
          end.join.html_safe
        end
        card + children
      else
        card
      end
    end
  end
end