local a = {}  
local good_args = {
['away_goals_header'] = 1,
['bonus_header'] = 1,
['class_rules'] = 1,
['draw_header'] = 1,
['drawpoints'] = 1,
['float'] = 1,
['for_against_style'] = 1,
['GB_team'] = 1,
['goalpoints'] = 1,
['group_header'] = 1,
['hide_for_against_columns'] = 1,
['hide_played'] = 1,
['hide_results'] = 1,
['highest_pos'] = 1,
['legs'] = 1,
['loss_before_draw'] = 1,
['loss_before_tie'] = 1,
['losspoints'] = 1,
['lowest_pos'] = 1,
['matches_style'] = 1,
['matches_text'] = 1,
['match_col_width'] = 1,
['note_header_res'] = 1,
['only_pld_pts'] = 1,
['only_totals'] = 1,
['only_fa_totals'] = 1,
['pct_style'] = 1,
['pld_header'] = 1,
['postitle'] = 1,
['perc_first'] = 1,
['pts_first'] = 1,
['ranking_style'] = 1,
['res_col_header'] = 1,
['result_prefix'] = 1,
['rwpoints'] = 1,
['rw_header'] = 1,
['section'] = 1,
['short_style'] = 1,
['show_GB'] = 1,
['show_away_goals'] = 1,
['show_bonus_points'] = 1,
['show_class_rules'] = 1,
['show_draw'] = 1,
['show_groups'] = 1,
['show_limit'] = 1,
['show_matches'] = 1,
['show_positions'] = 1,
['show_rw'] = 1,
['show_status'] = 1,
['show_totals'] = 1,
['solid_cell'] = 1,
['sortable_table'] = 1,
['source'] = 1,
['start_date'] = 1,
['stack_footer'] = 1,
['status_order'] = 1,
['status_pos'] = 1,
['style'] = 1,
['table_header'] = 1,
['table_header_source'] = 1,
['team_header'] = 1,
['team_order'] = 1,
['team_order_start'] = 1,
['teamwidth'] = 1,
['template_name'] = 1,
['title'] = 1,
['title_source'] = 1,
['transcludesection'] = 1,
['update'] = 1,
['use_goal_average'] = 1,
['use_goal_diff'] = 1,
['use_goal_percentage'] = 1,
['use_goal_ratio'] = 1,
['use_goals_scored'] = 1,
['use_point_percentage'] = 1,
['use_goals_per_match'] = 1,
['use_points_per_match'] = 1,
['use_tie'] = 1,
['winpoints'] = 1,
}
local good_args_HA = {
['hdrawpoints'] = 1,
['adrawpoints'] = 1,
['hlosspoints'] = 1,
['alosspoints'] = 1,
['hwinpoints'] = 1,
['awinpoints'] = 1
}
local good_args_PKOT = {
['showOTloss'] = 1,
['showOTwin'] = 1,
['showPKloss'] = 1,
['showPKwin'] = 1,
['show_tiebr'] = 1,
['PKlosspoints'] = 1,
['OTlosspoints'] = 1,
['PKwinpoints'] = 1,
['OTwinpoints'] = 1,
['PKloss_after_loss'] = 1,
['OTloss_after_loss'] = 1,
['tiebr_header'] = 1,
}
local ignored_args = {
['date'] = 1,
['ptsfirst'] = 1
}
local col_names = {
['adjust_points'] = 1,
['away_goals'] = 1,
['draw'] = 1,
['loss'] = 1,
['gf'] = 1,
['ga'] = 1,
['group'] = 1,
['pf'] = 1,
['pa'] = 1,
['matches'] = 1,
['pos'] = 1,
['rw'] = 1,
['short'] = 1,
['startpoints'] = 1,
['status'] = 1,
['win'] = 1,
}
local col_names_HA = {
['draw'] = 0,
['loss'] = 0,
['gf'] = 0,
['ga'] = 0,
['pf'] = 0,
['pa'] = 0,
['rw'] = 0,
['hdraw'] = 1,
['adraw'] = 1,
['hloss'] = 1,
['aloss'] = 1,
['hwin'] = 1,
['awin'] = 1,
['hga'] = 1,
['aga'] = 1,
['hgf'] = 1,
['agf'] = 1,
['hpa'] = 1,
['apa'] = 1,
['hpf'] = 1,
['apf'] = 1,
}
local col_names_PKOT = {
['PKloss'] = 1,
['OTloss'] = 1,
['PKwin'] = 1,
['OTwin'] = 1,
['tiebr'] = 1
}
local tracked_styles = {
['football'] = 'WDL',
['WDL'] = 'WDL',
['WL'] = 'WDL',
['WDLHA'] = 'HA',
['WDL OT'] = 'PKOT',
['WLHA'] = 'HA',
['WL OT'] = 'PKOT',
['WL PK'] = 'PKOT',
['WL OTL tiebreak'] = 'PKOT'
}  
function a.check(targs, pargs)
local teams = {}
local missing_teams = {}
local results = {}
local missing_results = {}
local orphaned_match_notes = {}
local orphaned_results = {}
local orphaned_names = {}
local orphaned_notes = {}
local ignored = {}
local possibly_ignored = {}
local unknown = {}
local warn = {}
local track = {}  
local mstyle = mw.ustring.gsub(targs['style'] or '', '[%s_][%s_]*', ' ')
mstyle = tracked_styles[mstyle]  
if mstyle == nil then
return warn,track
end  
if mstyle == 'HA' then
for k, v in pairs(good_args_HA) do
good_args[k] = v ~= 0 and v or nil
end
for k, v in pairs(col_names_HA) do
col_names[k] = v ~= 0 and v or nil
end
if targs['only_fa_totals'] then
col_names['pf'] = 1
col_names['gf'] = 1
col_names['pa'] = 1
col_names['ga'] = 1
end
end  
if mstyle == 'PKOT' then
for k, v in pairs(good_args_PKOT) do
good_args[k] = v ~= 0 and v or nil
end
for k, v in pairs(col_names_PKOT) do
col_names[k] = v ~= 0 and v or nil
end
end  
-- Alternative syntax for team list
if targs['team_order'] and targs['team_order'] ~= '' then
local tlist = mw.text.split(targs['team_order'], '%s*[;,]%s*')
for k, tname in ipairs(tlist) do
if tname ~= '' then
targs['team' .. k] = tname
end
end
end  
-- Limited tracking if we are only showing part of the table
if targs['showteam'] then
local top_pos = tonumber(targs['highest_pos']) or 1
local bottom_pos = tonumber(targs['lowest_pos']) or 0
local N = top_pos - 1
while targs['team'..N+1] ~= nil and (bottom_pos < top_pos or N < bottom_pos) do
N = N + 1
teams[targs['team'..N]] = 1
if teams[targs['showteam']] then
return warn,track
end
end
end  
-- Step 1: Generate a team and result list
for k,v in pairs(targs) do
if type(k) == 'string' then
if k:find('^team%d%d*$') then
teams[v] = 1
targs[k] = ''
if targs['name_' .. v] then
-- Great!
targs['name_' .. v] = ''
else
table.insert(missing_teams, v)
end
if targs['note_' .. v] then
targs['note_' .. v] = ''
end
if targs['hth_' .. v] then
local multiref = 1
local hth_local_table = mw.text.split(targs['hth_' .. v], '%s*,%s*')
if (#hth_local_table > 1) then
for j, hth_loc in ipairs(hth_local_table) do
multiref = multiref * (targs['hth_' .. hth_loc] and 1 or 0)
end
else
multiref = 0
end
if multiref > 0 then
for j, hth_loc in ipairs(hth_local_table) do
targs['hth_' .. hth_loc] = ''
end
elseif targs['hth_' .. targs['hth_' .. v]] then
targs['hth_' .. targs['hth_' .. v]] = ''
end
targs['hth_' .. v] = ''
end
elseif k:find('^result%d%d*$') or k:find('^.*_result%d%d*$') then
local pre = mw.ustring.gsub(k, '^(.*)result%d%d*$', '%1')
results[v] = 1
targs[k] = ''
if targs[pre .. 'col_' .. v] or targs[pre .. 'text_' .. v] or targs[pre .. 'note_res_' .. v] then
-- Great!
if targs[pre .. 'col_' .. v] then
targs[pre .. 'col_' .. v] = ''
end
if targs[pre .. 'text_' .. v] then
targs[pre .. 'text_' .. v] = ''
end
if targs[pre .. 'note_res_' .. v] then
local multiref = 1
local note_res_local_table = mw.text.split(targs[pre .. 'note_res_' .. v], '%s*,%s*')
if (#note_res_local_table > 1) then
for j, note_res_loc in ipairs(note_res_local_table) do
multiref = multiref * (targs[pre .. 'note_res_' .. note_res_loc] and 1 or 0)
end
else
multiref = 0
end
if multiref > 0 then
for j, note_res_loc in ipairs(note_res_local_table) do
targs[pre .. 'note_res_' .. note_res_loc] = ''
end
elseif targs[pre .. 'note_res_' .. targs[pre .. 'note_res_' .. v]] then
targs[pre .. 'note_res_' .. targs[pre .. 'note_res_' .. v]] = ''
end
targs[pre .. 'note_res_' .. v] = ''
end
if targs[pre .. 'res_col_header'] then
targs[pre .. 'res_col_header'] = ''
end
else
table.insert(missing_results, v)
end
elseif k:find('^match[%d]*_.*_.*_note$') then
local m = mw.ustring.gsub(k, '^(match[%d]*_.*_.*)_note$', '%1')
targs[k] = ''
if targs[m] then
if targs['note_' .. v] then
targs['note_' .. v] = ''
end
-- Great!
else
table.insert(orphaned_match_notes, m)
end
end
end
end  
local possible_missing_winpoints = 0
for k,v in pairs(targs) do
if v and v~= '' then
local found_arg = 0
if type(k) == 'string' then
if k:find('^adjust_points_') then
local p = mw.ustring.gsub(k, '^adjust_points_', '')
if (tonumber(v) or 0) ~= 0 then
local pdiff = (tonumber(targs['win_' .. p] or 0) or 0) + tonumber(v)
if pdiff == 0 then
possible_missing_winpoints = possible_missing_winpoints + 1
else
possible_missing_winpoints = possible_missing_winpoints - 1
end
end
end
if found_arg == 0 and (good_args[k] or k:find('^split[%d][%d]*$')) then
-- Great!
found_arg = 1
end
if found_arg == 0 and k == 'showteam' then
-- Great!
found_arg = 1
if teams[v] ~= 1 then
table.insert(missing_teams, v)
end
end
if found_arg == 0 and (ignored_args[k] or k:find('^att_')) then
found_arg = 1
table.insert(ignored, k)
end
if found_arg == 0 and k:find('^[A-Za-z]*_.*$') then
local p = mw.ustring.gsub(k, '^([A-Za-z]*)_.*$', '%1')
if col_names[p] then
-- Great!
found_arg = 1
end
end