--[[
- @file node.module.lua
- The node it the center unit of content in Ajato.
- Almost every content (pages, forum topics, blog entries)
- are nodes.
- @author Bruno Massa
]]

--[[
- Implementation of hook_menu()
]]
function node_menu()
  local items = {}
  items['admin/content'] = {
    ['access arguments'] = {'administer nodes'},
    ['description']      = "Manage your site's content.",
    ['file']             = 'system.admin.lua',
    ['file path']        = ajato_module_path('system'),
    ['page callback']    = 'system_admin_menu_block_page',
    ['position']         = 'left',
    ['title']            = 'Content management',
    ['weight']           = -10
  }
  items['admin/content/node'] = {
    ['access arguments'] = {'administer nodes'},
    ['description']      = "View, edit, and delete your site's content.",
    ['page callback']    = 'node_admin_content',
    ['title']            = 'Content'
  }
  items['admin/content/node/overview'] = {
    ['title']            = 'List',
    ['type']             = C.MENU_DEFAULT_LOCAL_TASK,
    ['weight']           = -10
  }
  items['admin/content/node-settings'] = {
    ['access arguments'] = {'administer nodes'},
    ['description']      = 'Control posting behavior, such as teaser length, requiring previews before posting, and the number of posts on the front page.',
    ['title']            = 'Post settings',
    ['page arguments']   = {'node_configure'},
    ['page callback']    = 'ajato_form_get'
  }
  items['admin/content/node-settings/rebuild'] = {
    ['page arguments']   = {'node_configure_rebuild_confirm'},
    ['title']            = 'Rebuild permissions',
    ['type']             = C.MENU_CALLBACK
  }
  items['admin/content/types'] = {
    ['access arguments'] = {'administer content types'},
    ['description']      = 'Manage posts by content type, including default status, front page promotion, etc.',
    ['page callback']    = 'node_overview_types',
    ['title']            = 'Content types'
  }
  items['admin/content/types/list'] = {
    ['title']            = 'List',
    ['type']             = C.MENU_DEFAULT_LOCAL_TASK,
    ['weight']           = -10
  }
  items['admin/content/types/add'] = {
    ['page arguments']   = {'node_type_form'},
    ['page callback']    = 'ajato_form_get',
    ['title']            = 'Add content type',
    ['type']             = C.MENU_LOCAL_TASK
  }
  items['node'] = {
    ['access arguments'] = {'access content'},
    ['page callback']    = 'node_page_default',
    ['title']            = 'Content',
    ['type']             = C.MENU_MODIFIABLE_BY_ADMIN
  }
  items['node/add'] = {
    ['access callback']  = '_node_add_access',
    ['file']             = 'system.admin.lua',
    ['file path']        = ajato_module_path('system'),
    ['page callback']    = 'system_admin_menu_block_page',
    ['title']            = 'Create content',
    ['weight']           = 1
  }
  items['rss.xml'] = {
    ['access arguments'] = {'access content'},
    ['page callback']    = 'node_feed',
    ['title']            = 'RSS feed',
    ['type']             = C.MENU_CALLBACK
  }
  items['node/%node'] = {
    ['access arguments'] = {'view', 1},
    ['access callback']  = 'node_access',
    ['page arguments']   = {1},
    ['page callback']    = 'node_page_view',
    ['title']            = 'View',
    ['type']             = C.MENU_CALLBACK
  }
  items['node/%node/view'] = {
    ['title']            = 'View',
    ['type']             = C.MENU_DEFAULT_LOCAL_TASK,
    ['weight']           = -10
  }
  items['node/%node/edit'] = {
    ['title']            = 'Edit',
    ['page callback']    = 'node_page_edit',
    ['page arguments']   = {1},
    ['access callback']  = 'node_access',
    ['access arguments'] = {'update', 1},
    ['type']             = C.MENU_LOCAL_TASK,
    ['weight']           = 1
  }
  items['node/%node/delete'] = {
    ['access arguments'] = {'delete', 1},
    ['access callback']  = 'node_access',
    ['page arguments']   = {'node_delete_confirm', 1},
    ['page callback']    = 'ajato_form_get',
    ['title']            = 'Delete',
    ['type']             = C.MENU_CALLBACK,
    ['weight']           = 1,
  }
  items['node/%node/revisions'] = {
    ['access arguments'] = {1},
    ['access callback']  = '_node_revision_access',
    ['page callback']    = 'node_revisions',
    ['title']            = 'Revisions',
    ['type']             = C.MENU_LOCAL_TASK,
    ['weight']           = 2
  }

  if ajato_module_isenabled('search') then
    items['admin/content/search'] = {
      ['access arguments'] = {'administer nodes'},
      ['description']      = 'Search content by keyword.',
      ['page callback']    = 'node_admin_search',
      ['title']            = 'Search content',
    }
  end

--   foreach (node_get_types('types', NULL, TRUE) as type) {
--     name = check_plain(type->name}
--     type_url_str = str_replace('_', '-', type->type}
--     items['node/add/'. type_url_str] = {
--       ['access arguments'] = {'create', type->type},
--       ['access callback']  = 'node_access',
--       ['description']      = type->description,
--       ['page arguments']   = {2},
--       ['page callback']    = 'node_add',
--       ['title']            = ajato_ucfirst(name),
--     }
--     items['admin/content/types/'. type_url_str] = {
--       ['page arguments']   = {'node_type_form', type},
--       ['page callback']    = 'ajato_form_get',
--       ['title']            = type->name,
--       ['type']             = C.MENU_CALLBACK,
--     }
--     items['admin/content/types/'. type_url_str .'/delete'] = {
--       ['page arguments']   = {'node_type_delete_confirm', type},
--       ['title']            = 'Delete',
--       ['type']             = C.MENU_CALLBACK,
--     }
--   }
  return items
end

--[[
-Menu callback; Generate a listing of promoted nodes.
]]
function node_page_default()
  local result = db_pager(db_rewrite_sql([[SELECT n.nid, n.sticky, n.created
    FROM {node} n WHERE n.promote = 1 AND n.status = 1 ORDER BY n.sticky DESC,
    n.created DESC]]), ajato_variable_get('default_nodes_main', 10))
  local result = false
  local output = ajato_string()

  if result then
    local feed_url = url('rss.xml', {['absolute'] = true})
    ajato_add_feed(feed_url, variable_get('site_name', 'Ajato') ..' '.. t('RSS'));

    for node in db_rows(result) do
      output  = output .. node_view(node_load(node['nid']), 1)
    end
    output  = output .. theme('pager', nil, variable_get('default_nodes_main', 10))
    output = tostring(output)
  else
    -- Check for existence of admin account.
    local admin = db_result(db_query('SELECT uid FROM {users} WHERE uid = 1'))

    output  = output ..'<h1 class="title">'.. t('Welcome to your new Ajato website!') ..
      '</h1>'
    output  = output ..'<p>'.. t('Please follow these steps to set up and start using your website:') ..
      '</p>'

    output  = output ..'<ol>'
    output  = output ..'<li>'..
      t('<strong>Configure your website</strong> Once logged in, visit the @admin, where you can @config all aspects of your website.',
      {['@admin'] = l(t('administration section'), 'admin'),
      ['@config'] = l(t('customize and configure'), 'admin/settings')}) ..'</li>';
    output  = output .. '<li>'..
      t('<strong>Enable additional functionality</strong> Next, visit the @modules and enable features which suit your specific needs. You can find additional modules in the @download_modules.',
      {['@modules'] = l('module list', 'admin/build/modules'),
      ['@download_modules'] = l(t('Ajato modules download section'), 'https://launchpad.net/ajato')}) ..
      '</li>'
    output  = output .. '<li>'..
      t('<strong>Customize your website design</strong> To change the "look and feel" of your website, visit the @themes. You may choose from one of the included themes or download additional themes from the @download_themes.',
      {['@themes'] = l(t('themes section'), 'admin/build/themes'),
      ['@download_themes'] = l(t('Ajato themes download section'), 'https://launchpad.net/ajato')}) ..
      '</li>'
    output  = output .. '<li>'..
      t('<strong>Start posting content</strong> Finally, you can @content for your website. This message will disappear once you have promoted a post to the front page.',
      {['@content'] = l(t('create content'), 'node/add')}) ..'</li>'
    output  = output .. '</ol>'

    output  = output .. '<p>'..
      t('For more information, please refer to the @help, or the @handbook. You may also post at the @forum, or view the wide range of @support available.',
      {['@help'] = l(t('help section'), 'admin/help'),
      ['@handbook'] = l(t('online Ajato handbooks'), 'https://launchpad.net/ajato'),
      ['@forum'] = l(t('Ajato forum'), 'https://launchpad.net/ajato'),
      ['@support'] = l(t('other support options'), 'https://launchpad.net/ajato')}) ..
      '</p>'

    output = '<div id="first-time">'.. tostring(output) ..'</div>'
  end
  ajato_set_title('')

  return output
end

--[[
- Theme the node content
-
- @param content
-   String, The node content
- @ingroup theme
]]
function themes.node(content)
  return '<div class="node">'.. content ..'</div>'
end