From 9bdec51059405e8e3ec5d70a4e1df0430c52939e Mon Sep 17 00:00:00 2001
From: ElectricalBoy <15651807+ElectricalBoy@users.noreply.github.com>
Date: Fri, 20 Mar 2026 14:00:02 +0900
Subject: [PATCH] add walkover support

---
 .../commons/Standings/Tiebreaker/Game.lua     | 51 +++++++++++++++++++
 .../Standings/Tiebreaker/Game/Count.lua       | 12 +++--
 .../Standings/Tiebreaker/Game/Diff.lua        | 18 +++++--
 .../Standings/Tiebreaker/Game/WinRate.lua     | 13 +++--
 .../Standings/Tiebreaker/Game/Wins.lua        |  9 ++--
 5 files changed, 86 insertions(+), 17 deletions(-)
 create mode 100644 lua/wikis/commons/Standings/Tiebreaker/Game.lua

diff --git a/lua/wikis/commons/Standings/Tiebreaker/Game.lua b/lua/wikis/commons/Standings/Tiebreaker/Game.lua
new file mode 100644
index 00000000000..d32f8b367d6
--- /dev/null
+++ b/lua/wikis/commons/Standings/Tiebreaker/Game.lua
@@ -0,0 +1,51 @@
+---
+-- @Liquipedia
+-- page=Module:Standings/Tiebreaker/Game
+--
+-- Please see https://github.com/Liquipedia/Lua-Modules to contribute
+--
+
+local Lua = require('Module:Lua')
+
+local Class = Lua.import('Module:Class')
+local FnUtil = Lua.import('Module:FnUtil')
+
+local TiebreakerInterface = Lua.import('Module:Standings/Tiebreaker/Interface')
+
+---@class AbstractGameTiebreaker : StandingsTiebreaker
+local AbstractGameTiebreaker = Class.new(TiebreakerInterface)
+
+---@protected
+---@param self AbstractGameTiebreaker
+---@return number
+AbstractGameTiebreaker.getWalkoverCoefficient = FnUtil.memoize(function (self)
+	local config = self.config
+	if not config then
+		return 0
+	end
+	return tonumber(config.walkover) or 0
+end)
+
+---@protected
+---@return boolean
+function AbstractGameTiebreaker:isWalkoverCoefficientDefined()
+	return self:getWalkoverCoefficient() > 0
+end
+
+---@protected
+---@param walkover {w: integer?, l: integer?}?
+---@return {w: integer, l: integer}
+function AbstractGameTiebreaker:calculateWalkoverValues(walkover)
+	if not self:isWalkoverCoefficientDefined() or not walkover then
+		return {w = 0, l = 0}
+	end
+
+	local walkoverCoefficient = self:getWalkoverCoefficient()
+
+	return {
+		w = (walkover.w or 0) * walkoverCoefficient,
+		l = (walkover.l or 0) * walkoverCoefficient
+	}
+end
+
+return AbstractGameTiebreaker
diff --git a/lua/wikis/commons/Standings/Tiebreaker/Game/Count.lua b/lua/wikis/commons/Standings/Tiebreaker/Game/Count.lua
index f313c615bea..f9e7ae9e69b 100644
--- a/lua/wikis/commons/Standings/Tiebreaker/Game/Count.lua
+++ b/lua/wikis/commons/Standings/Tiebreaker/Game/Count.lua
@@ -9,18 +9,22 @@ local Lua = require('Module:Lua')
 
 local Class = Lua.import('Module:Class')
 
+local AbstractGameTiebreaker = Lua.import('Module:Standings/Tiebreaker/Game')
 local TiebreakerGameUtil = Lua.import('Module:Standings/Tiebreaker/Game/Util')
-local TiebreakerInterface = Lua.import('Module:Standings/Tiebreaker/Interface')
 
----@class TiebreakerGameCount : StandingsTiebreaker
-local TiebreakerGameCount = Class.new(TiebreakerInterface)
+---@class TiebreakerGameCount : AbstractGameTiebreaker
+local TiebreakerGameCount = Class.new(AbstractGameTiebreaker)
 
 ---@param state TiebreakerOpponent[]
 ---@param opponent TiebreakerOpponent
 ---@return integer
 function TiebreakerGameCount:valueOf(state, opponent)
 	local games = TiebreakerGameUtil.getGames(opponent)
-	return games.games
+	if not games.walkover or not self:isWalkoverCoefficientDefined() then
+		return games.games
+	end
+	local walkoverGames = self:calculateWalkoverValues(games.walkover)
+	return games.games + (self:getWalkoverCoefficient() * (walkoverGames.w + walkoverGames.l))
 end
 
 ---@return string
diff --git a/lua/wikis/commons/Standings/Tiebreaker/Game/Diff.lua b/lua/wikis/commons/Standings/Tiebreaker/Game/Diff.lua
index cd24b516de8..a1cda77139c 100644
--- a/lua/wikis/commons/Standings/Tiebreaker/Game/Diff.lua
+++ b/lua/wikis/commons/Standings/Tiebreaker/Game/Diff.lua
@@ -9,18 +9,22 @@ local Lua = require('Module:Lua')
 
 local Class = Lua.import('Module:Class')
 
+local AbstractGameTiebreaker = Lua.import('Module:Standings/Tiebreaker/Game')
 local TiebreakerGameUtil = Lua.import('Module:Standings/Tiebreaker/Game/Util')
-local TiebreakerInterface = Lua.import('Module:Standings/Tiebreaker/Interface')
 
----@class TiebreakerGameDiff : StandingsTiebreaker
-local TiebreakerGameDiff = Class.new(TiebreakerInterface)
+---@class TiebreakerGameDiff : AbstractGameTiebreaker
+local TiebreakerGameDiff = Class.new(AbstractGameTiebreaker)
 
 ---@param state TiebreakerOpponent[]
 ---@param opponent TiebreakerOpponent
 ---@return integer
 function TiebreakerGameDiff:valueOf(state, opponent)
 	local games = TiebreakerGameUtil.getGames(opponent)
-	return games.w - games.l
+	if not games.walkover or not self:isWalkoverCoefficientDefined() then
+		return games.w - games.l
+	end
+	local walkoverGames = self:calculateWalkoverValues(games.walkover)
+	return (games.w + walkoverGames.w) - (games.l + walkoverGames.l)
 end
 
 ---@return string
@@ -33,7 +37,11 @@ end
 ---@return string
 function TiebreakerGameDiff:display(state, opponent)
 	local games = TiebreakerGameUtil.getGames(opponent)
-	return games.w .. ' - ' .. games.l
+	if not games.walkover or not self:isWalkoverCoefficientDefined() then
+		return games.w .. ' - ' .. games.l
+	end
+	local walkoverGames = self:calculateWalkoverValues(games.walkover)
+	return (games.w + walkoverGames.w) .. ' - ' .. (games.l + walkoverGames.l)
 end
 
 return TiebreakerGameDiff
diff --git a/lua/wikis/commons/Standings/Tiebreaker/Game/WinRate.lua b/lua/wikis/commons/Standings/Tiebreaker/Game/WinRate.lua
index 7857f82855c..b506f9bdbce 100644
--- a/lua/wikis/commons/Standings/Tiebreaker/Game/WinRate.lua
+++ b/lua/wikis/commons/Standings/Tiebreaker/Game/WinRate.lua
@@ -10,18 +10,23 @@ local Lua = require('Module:Lua')
 local Class = Lua.import('Module:Class')
 local MathUtil = Lua.import('Module:MathUtil')
 
+local AbstractGameTiebreaker = Lua.import('Module:Standings/Tiebreaker/Game')
 local TiebreakerGameUtil = Lua.import('Module:Standings/Tiebreaker/Game/Util')
-local TiebreakerInterface = Lua.import('Module:Standings/Tiebreaker/Interface')
 
----@class TiebreakerGameWinRate : StandingsTiebreaker
-local TiebreakerGameWinRate = Class.new(TiebreakerInterface)
+---@class TiebreakerGameWinRate : AbstractGameTiebreaker
+local TiebreakerGameWinRate = Class.new(AbstractGameTiebreaker)
 
 ---@param state TiebreakerOpponent[]
 ---@param opponent TiebreakerOpponent
 ---@return integer
 function TiebreakerGameWinRate:valueOf(state, opponent)
 	local games = TiebreakerGameUtil.getGames(opponent)
-	return games.games == 0 and 0.5 or (games.w / games.games)
+	if not games.walkover or not self:isWalkoverCoefficientDefined() then
+		return games.games == 0 and 0.5 or (games.w / games.games)
+	end
+	local walkoverGames = self:calculateWalkoverValues(games.walkover)
+	local totalGames = games.games + walkoverGames.w + walkoverGames.l
+	return (games.w + walkoverGames.w) / totalGames
 end
 
 ---@return string
diff --git a/lua/wikis/commons/Standings/Tiebreaker/Game/Wins.lua b/lua/wikis/commons/Standings/Tiebreaker/Game/Wins.lua
index 779aafac3c9..dcc19c3c1ad 100644
--- a/lua/wikis/commons/Standings/Tiebreaker/Game/Wins.lua
+++ b/lua/wikis/commons/Standings/Tiebreaker/Game/Wins.lua
@@ -9,18 +9,19 @@ local Lua = require('Module:Lua')
 
 local Class = Lua.import('Module:Class')
 
+local AbstractGameTiebreaker = Lua.import('Module:Standings/Tiebreaker/Game')
 local TiebreakerGameUtil = Lua.import('Module:Standings/Tiebreaker/Game/Util')
-local TiebreakerInterface = Lua.import('Module:Standings/Tiebreaker/Interface')
 
----@class TiebreakerGameWins : StandingsTiebreaker
-local TiebreakerGameWins = Class.new(TiebreakerInterface)
+---@class TiebreakerGameWins : AbstractGameTiebreaker
+local TiebreakerGameWins = Class.new(AbstractGameTiebreaker)
 
 ---@param state TiebreakerOpponent[]
 ---@param opponent TiebreakerOpponent
 ---@return integer
 function TiebreakerGameWins:valueOf(state, opponent)
 	local games = TiebreakerGameUtil.getGames(opponent)
-	return games.w
+	local walkoverGames = self:calculateWalkoverValues(games.walkover)
+	return games.w + walkoverGames.w
 end
 
 ---@return string