BondManager = BondManager or {}
-- 校验频率
BondManager.FPS = 2
-- 是否已激活
BondManager.Activated = false
-- 血量同步的百分比，存在大于这个百分比的队友且都未倒地时，双方同步血量
BondManager.SynchronizedPercentageOfBloodVolume = 0.3
-- 自动救援血量
BondManager.AutoRescueHealth = 0.7 - 1e-2


-- 激活函数
function BondManager.ActiveBondSystem()
    if BondManager.Activated then return end
    BondManager.Activated = true
    if BondManager.BondUpdateHandle == nil then
        BondManager.BondUpdateHandle = UGCEventSystem.SetTimerLoop(UGCGameSystem.GameState, BondManager.Update, 1./BondManager.FPS)
        UGCLogSystem.Log("[BondManager_ActiveBondSystem] Finish")
    end
end
-- 暂停函数
function BondManager.StopBondSystem()
    if not BondManager.Activated then return end
    BondManager.Activated = false
    if BondManager.BondUpdateHandle then
        UGCEventSystem.StopTimer(BondManager.BondUpdateHandle)
        BondManager.BondUpdateHandle = nil
        UGCLogSystem.Log("[BondManager_StopBondSystem] Finish")
    end
end

-- 更新函数
function BondManager.Update()
    local TeamIDs = UGCTeamSystem.GetTeamIDs()
    for i, TeamID in pairs(TeamIDs) do
        BondManager.BondFromTeamID(TeamID)
    end
end
-- 队伍羁绊触发，仅2人队伍生效
function BondManager.BondFromTeamID(InTeamID)
    local TeamPlayers = UGCGameSystem.GameState:GetTeamPlayer(InTeamID)
    -- 不为2人队伍则不处理
    if table.getCount(TeamPlayers) ~= 2 then return end
    local Pawn1 = UGCGameSystem.GetPlayerPawnByPlayerKey(TeamPlayers[1])
    local Pawn2 = UGCGameSystem.GetPlayerPawnByPlayerKey(TeamPlayers[2])
    -- 判有效
    if not UE.IsValid(Pawn1) or not UE.IsValid(Pawn2) then return end
    -- 判存活
    if not Pawn1:IsAlive() or not Pawn2:IsAlive() then return end

    -- 获取两个玩家的信息
    local PawnHealth1 = UGCPawnAttrSystem.GetHealth(Pawn1)
    local PawnHealth2 = UGCPawnAttrSystem.GetHealth(Pawn2)
    local PawnMaxHealth1 = UGCPawnAttrSystem.GetHealthMax(Pawn1)
    local PawnMaxHealth2 = UGCPawnAttrSystem.GetHealthMax(Pawn2)
    local PawnHasDying1 = UGCPawnSystem.HasPawnState(Pawn1, EPawnState.Dying)
    local PawnHasDying2 = UGCPawnSystem.HasPawnState(Pawn2, EPawnState.Dying)
    local HealthPercentage1 = PawnHealth1 / PawnMaxHealth1
    local HealthPercentage2 = PawnHealth2 / PawnMaxHealth2



    if not PawnHasDying1 and not PawnHasDying2 then
        -- 同步血量
        if (HealthPercentage1 > BondManager.SynchronizedPercentageOfBloodVolume or HealthPercentage2 > BondManager.SynchronizedPercentageOfBloodVolume) and math.abs(PawnHealth1 - PawnHealth2) > 1 then
            local TargetHealth = (PawnHealth1 + PawnHealth2) / 2
            UGCPawnAttrSystem.SetHealth(Pawn1, TargetHealth)
            UGCPawnAttrSystem.SetHealth(Pawn2, TargetHealth)
            UGCLogSystem.Log("[BondManager_BondFromTeamID] 同步血量  PawnHealth1:%s, PawnHealth2:%s, TargetHealth:%s", tostring(PawnHealth1), tostring(PawnHealth2), tostring(TargetHealth))
        end
    elseif PawnHasDying1 ~= PawnHasDying2 then
        -- 自动救援
        if PawnHasDying1 and HealthPercentage2 >= BondManager.AutoRescueHealth then
            UGCLogSystem.Log("[BondManager_BondFromTeamID] 自动救援玩家:%s", tostring(TeamPlayers[1]))
            Pawn1:GetCharacterRescueOtherComponent():RescueSucImmediately(Pawn1, 1)
        elseif PawnHasDying2 and HealthPercentage1 >= BondManager.AutoRescueHealth then
            UGCLogSystem.Log("[BondManager_BondFromTeamID] 自动救援玩家:%s", tostring(TeamPlayers[2]))
            Pawn2:GetCharacterRescueOtherComponent():RescueSucImmediately(Pawn2, 1)
        end
    end
end