-- Style for football tables
local pp = {}

function pp.header(t,Args,p_sub,pos_label,group_col,VTE_text,full_table,results_header_txt)
	-- Load relevant modules
	local yesno = require('Module:Yesno')
	
	-- Create table header
	-- Pre stuff
	local team_width = Args['teamwidth'] or '190'
	local sort_text = ''
	local sort_table_val = Args['sortable_table'] 	or 'no'
	if yesno(sort_table_val) then sort_text = 'sortable' end
	local rounds_won = yesno(Args['rounds_won'] or 'no')
	table.insert(t,'{|class="wikitable '..sort_text..'" style="text-align:center;"\n')            			-- Open table
	-- Table title
	if Args['title'] then
		table.insert(t,'|+ ' .. Args['title'] .. '\n')
	end
	-- Custom header options
	local draw_head_text = Args['draw_header'] or '<abbr title="Drawn">D</abbr>'
	local group_head_text = Args['group_header'] or '<abbr title="Group">Grp</abbr>'
	local team_head_text = Args['team_header'] or 'Team'
	local loss_first = Args['loss_before_draw'] or false
	-- What to rank the teams by
	local ranking_style = Args['ranking_style'] or 'pts'
	local show_points, show_perc = false
	ranking_style = string.lower(ranking_style)
	if ranking_style=='w' or ranking_style=='win' or ranking_style=='wins' then
		-- Based on wins
	elseif ranking_style=='perc' or ranking_style=='percentage' or ranking_style=='%' then
		-- Based on percentage
		show_perc = true
	else
		-- Based on points
		show_points = true
	end
	local show_bonus_points = yesno(Args['show_bonus_points'] or 'no')
	-- Use points instead of goals for/against
	local for_against_style = Args['for_against_style'] 	or 'goals'
	local fa_letter, fa_word_sing, fa_word_plur
	local hide_for_against = false
	-- First convert to lower case if it is a string
	for_against_style = string.lower(for_against_style)
	if for_against_style=='g' or for_against_style=='goal' or for_against_style=='goals' then
		fa_letter = 'G'
		fa_word_sing = 'Goal'
		fa_word_plur = 'Goals'
	elseif for_against_style=='p' or for_against_style=='point' or for_against_style=='points' then
		fa_letter = 'P'
		fa_word_sing = 'Point'
		fa_word_plur = 'Points'
	elseif for_against_style=='none' then
		hide_for_against = true
	else
		fa_letter = 'G'
		fa_word_sing = 'Goal'
		fa_word_plur = 'Goals'
	end
	-- Whether to use goal ratio (goal average) instead
	local use_ratio_val = Args['use_goal_ratio'] 	or 'no'
	local do_ratio = false
	-- True if exist, false otherwise
	if yesno(use_ratio_val) then do_ratio = true end
	
	-- Whether to use goal percentage instead
	local use_percentage_val = Args['use_goal_percentage'] 	or Args['use_point_percentage'] or 'no'
	local do_percentage = false
	-- True if exist, false otherwise
	if yesno(use_percentage_val) then do_percentage = true end
	
	-- Initialize
	local tt = {}
	tt.count = 0 		-- Up by one after every call
	tt.tab_text = t		-- Actual text
	-- Actual headers
	if pos_label ~= nil then
		tt = p_sub.colhead(tt,28,pos_label)									-- Position col
	end
	-- Add group header
	if full_table and group_col then
		tt = p_sub.colhead(tt,28,group_head_text)			-- Group col
	end
	tt = p_sub.colhead(tt,team_width,team_head_text..VTE_text)				-- Team col
	tt = p_sub.colhead(tt,28,'<abbr title="Played">Pld</abbr>')				-- Matches played col
	if full_table then
		tt = p_sub.colhead(tt,28,'<abbr title="Won">W</abbr>')				-- Win col
		if loss_first then
			tt = p_sub.colhead(tt,28,'<abbr title="Lost">L</abbr>')			-- Loss col
			tt = p_sub.colhead(tt,28,draw_head_text)						-- Draw col
		else
			tt = p_sub.colhead(tt,28,draw_head_text)						-- Draw col
			tt = p_sub.colhead(tt,28,'<abbr title="Lost">L</abbr>')			-- Loss col
		end
		if rounds_won then
			tt = p_sub.colhead(tt,28,'<abbr title="Rounds won">RW</abbr>')  -- Rounds won
		end
		if not hide_for_against then
			tt = p_sub.colhead(tt,28,'<abbr title="'..fa_word_plur..' for">'..fa_letter..'F</abbr>')		-- For col
			tt = p_sub.colhead(tt,28,'<abbr title="'..fa_word_plur..' against">'..fa_letter..'A</abbr>')	-- Against col
			if do_ratio then
				tt = p_sub.colhead(tt,28,'<abbr title="'..fa_word_sing..' ratio">'..fa_letter..'R</abbr>')	-- Ratio col
			elseif do_percentage then
				tt = p_sub.colhead(tt,28,'<abbr title="'..fa_word_sing..' percentage">%</abbr>')			-- Percentage col
			else
				tt = p_sub.colhead(tt,28,'<abbr title="'..fa_word_sing..' difference">'..fa_letter..'D</abbr>')	-- Difference col
			end
		end
	end
	if show_bonus_points then
		tt = p_sub.colhead(tt,28,'<abbr title="Bonus points">BP</abbr>')			-- Bonus points col
	end
	if show_points then
		tt = p_sub.colhead(tt,28,'<abbr title="Points">Pts</abbr>')					-- Points col
	elseif show_perc then
		tt = p_sub.colhead(tt,36,'<abbr title="Win percentage">PCT</abbr>')			-- Win percentage col
	end
	if full_table then
		tt.count = tt.count+1
		table.insert(tt.tab_text,results_header_txt)
	end
	
	return tt
end

function pp.row(frame,t,Args,p_sub,notes_exist,hth_id_list,full_table,rand_val,team_list,team_code_ii,ii_start,ii_end,ii_fw,bg_col,N_teams,ii,ii_show)
	-- Build the inner parts of individual rows
	
	-- Sub-module usage
	local mm = require('Module:Math')
	local yesno = require('Module:Yesno')
	
	-- Get custom/default options for in table
	local win_points = tonumber(Args['winpoints'])				or 3
	local draw_points = tonumber(Args['drawpoints'])			or 1
	local loss_points = tonumber(Args['losspoints'])			or 0
	local rw_points = tonumber(Args['rwpoints'])				or 1
	
	-- Order of draws and losses --
	local loss_first = Args['loss_before_draw']                 or false	

	-- Optional rounds won
	local rounds_won = yesno(Args['rounds_won'] or 'no')
	
	-- Get some input
	local wins = tonumber(Args['win_'..team_code_ii])			or 0
	local draws = tonumber(Args['draw_'..team_code_ii]) 		or 0
	local losses = tonumber(Args['loss_'..team_code_ii])		or 0
	local rw = tonumber(Args['rw_'..team_code_ii])		or 0
	local gfor = tonumber(Args['gf_'..team_code_ii]) or	tonumber(Args['pf_'..team_code_ii]) or 0
	local gaig = tonumber(Args['ga_'..team_code_ii]) or	tonumber(Args['pa_'..team_code_ii]) or 0
	local s_pts = tonumber(Args['adjust_points_'..team_code_ii]) or tonumber(Args['startpoints_'..team_code_ii]) or 0
	local hth_local = Args['hth_'..team_code_ii]				or nil
	-- Then calculate some values
	local matches = wins + draws + losses
	local points = win_points*wins + draw_points*draws + loss_points*losses + rw_points*rw + s_pts
	
	--Some sports use draw as well
	local win_perc = mm._precision_format((2*wins + draws) / (2*matches), 3)
	if matches == 0 then 
		-- Escape for zero matches
		win_perc = '&mdash;' 
	elseif losses > 0 then
		-- Drop the leading zero (from the string)
		win_perc = string.sub(win_perc,2,string.len(win_perc))
	end
	
	-- Show for/against
	local for_against_style = Args['for_against_style'] 	or 'goals'
	local hide_for_against = false
	for_against_style = string.lower(for_against_style)
	if for_against_style=='none' then
		hide_for_against = true
	end
	
	-- Comparison of for against
	local gcomp
	-- Whether to use goal ratio (goal average) or goal percentage instead
	local use_ratio_val = Args['use_goal_ratio'] 	or 'no'
	local use_percentage_val = Args['use_goal_percentage'] 	or 'no'
	local use_point_percentage_val = Args['use_point_percentage'] or 'no'
	local skip_sign
	if yesno(use_ratio_val) then
		-- Now it is the goal ratio/goal average
		if gaig == 0 then
			gcomp = '&mdash;'
		else
			gcomp = mm._precision_format(gfor / gaig, 3)
		end
	elseif yesno(use_percentage_val) then
		-- Now it is the percentage
		if gaig == 0 then
			gcomp = '&mdash;'
		else
			gcomp = mm._precision_format(100 * gfor / gaig , 1)
		end
	elseif yesno(use_point_percentage_val) then
		-- Now it is the point percentage
		if (gfor + gaig) <= 0 then
			gcomp = '&mdash;'
		else
			gcomp = mm._precision_format(100 * gfor / (gfor + gaig) , 2)
		end
	else
		-- It's goal difference
		gcomp = gfor - gaig
		-- Formatting with signs
		if gcomp>0 then
			gcomp='+'..gcomp
		elseif gcomp < 0 then
			gcomp='&minus;'..-gcomp
		end
	end
	
	-- Some local vars	
	local hth_string
	local tt_return = p_sub.hth(frame,Args,full_table,hth_id_list,hth_local,notes_exist,team_list,team_code_ii,ii_start,ii_end,rand_val)
	hth_string = tt_return.str
	hth_id_list = tt_return.list
	notes_exist = tt_return.notes_exist
	
	-- What to rank the teams by
	local ranking_style = Args['ranking_style'] or 'pts'
	local rank_points, rank_perc = false
	local win_fw, win_string
	ranking_style = string.lower(ranking_style)
	if ranking_style=='w' or ranking_style=='win' or ranking_style=='wins' then
		-- Based on wins
		win_fw = 'font-weight: bold;'
		win_string = hth_string
	elseif ranking_style=='perc' or ranking_style=='percentage' or ranking_style=='%' then
		-- Based on percentage
		rank_perc = true
		win_fw=ii_fw
		win_string = ''
	else
		-- Based on points
		rank_points = true
		win_fw=ii_fw
		win_string = ''
	end
	local show_bonus_points = yesno(Args['show_bonus_points'] or 'no')
	-- Row building
	table.insert(t,'| style="'..ii_fw..bg_col..'" |'..matches..'\n') 		-- Played
	if full_table then
		table.insert(t,'| style="'..win_fw..bg_col..'" |'..wins..win_string..'\n') 			-- Won
		
		if loss_first then
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..losses..'\n') 	-- Lost
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..draws..'\n') 		-- Drawn
		else
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..draws..'\n') 		-- Drawn
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..losses..'\n') 	-- Lost
		end
		if rounds_won then
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..rw..'\n')         -- Rounds won
		end
		if not hide_for_against then
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..gfor..'\n') 		-- GF
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..gaig..'\n')		-- GA
			table.insert(t,'| style="'..ii_fw..bg_col..'" |'..gcomp..'\n')      -- Goal comparison
		end
		
	end
	if show_bonus_points then
		if s_pts < 0 then
			table.insert(t,'| style="'..bg_col..'" | &minus;'..-s_pts..'\n')
		else
			table.insert(t,'| style="'..bg_col..'" | '..s_pts..'\n')
		end
	end
	if rank_points then
		-- Add &minus; for negative point totals
		if points<0 then
			table.insert(t,'| style="font-weight: bold;'..bg_col..'" | &minus;'..-points..hth_string..'\n')
		else
			table.insert(t,'| style="font-weight: bold;'..bg_col..'" | '..points..hth_string..'\n')
		end
	elseif rank_perc then
		table.insert(t,'| style="font-weight: bold;'..bg_col..'" | '..win_perc..hth_string..'\n')
	end
	return {t=t, notes_exist=notes_exist, hth_id_list=hth_id_list}
end

function pp.status(Args)
	-- Declare status options
	-- ------------------------------------------------------------
	-- NOTE: If you add to status_code, also add to status_called and status_letters!!
	-- Or functionality will be compromised
	-- ------------------------------------------------------------
	local status_code, status_called = {}
	status_code = {	A='Advance to a further round', C='Champion', D='Disqualified', 
		E='Eliminated', G='Guest', H='Host', O='Play-off winner', P='Promoted', Q='Qualified to the phase indicated',
		R='Relegated', T='Qualified, but not yet to the particular phase indicated',
		X='?', Y='?', Z='?'}
	status_called = {	A=false, C=false, D=false, E=false, G=false, H=false, O=false, P=false,
		Q=false, R=false, T=false, X=false, Y=false, Z=false}
	local status_letters = 'ACDEGHOPQRTXYZ'
	
	-- Status position (before or after read and default)
	local stat_pos_val = Args['status_pos'] or ''
	local status_position = 'after' 	-- Default location
	stat_pos_val = string.lower(stat_pos_val)
	if stat_pos_val=='before' then
		status_position = 'before'
	elseif stat_pos_val=='after' then
		status_position = 'after'
	end
	-- Read in custom status options
	for l in mw.text.gsplit(status_letters, '') do
		if Args['status_text_' .. l] then
			status_code[l] = Args['status_text_' .. l]
		end
	 end
	
	return {code=status_code, called=status_called, letters=status_letters, position=status_position}
end

return pp