<?php

class Bat_EV_SDL_V2 extends IPSModule
{
    private const HOURS = 0.5; // 30 Minuten

    public function Create()
    {
        parent::Create();

        // Properties
        $this->RegisterPropertyString("Batteries", "[]");
        //$this->RegisterPropertyInteger("$upKWh + $underKWh)", 0);   
        $this->RegisterPropertyInteger("SDL_Leistung_Laden", 0);  
        $this->RegisterPropertyInteger("SDL_Leistung_Entladen", 0);    // W
        $this->RegisterPropertyInteger("UpdateInterval", 5);   // Minuten

        // Status
        $this->RegisterVariableBoolean("State", "Aktiv", "~Switch", 1);
        $this->EnableAction("State");

        // Prozentwerte
        $this->RegisterVariableFloat("SDL_Pos", "SDL Energie verfügbar (%)", "", 10);
        $this->RegisterVariableFloat("SoC_EV",  "EV Energie verfügbar (%)", "", 11);

        // Variablen
        $this->RegisterVariableFloat("Nennleistung_Soll_EV",  "Nennleistung Soll EV",  "", 2);
        $this->RegisterVariableFloat("Nennleistung_Soll_SDL", "Nennleistung Soll SDL", "", 3);
        $this->RegisterVariableFloat("Aktuelle_Leistung_EV",  "Aktuelle Leistung EV",  "", 5);
        $this->RegisterVariableFloat("Aktuelle_Leistung_SDL", "Aktuelle Leistung SDL", "", 4);
        $this->RegisterVariableFloat("P_SDL_laden",    "P SDL laden max (W)",    "", 21);
        $this->RegisterVariableFloat("P_SDL_entladen", "P SDL entladen max (W)", "", 22);
        $this->RegisterVariableFloat("P_EV_laden",     "P EV laden max (W)",     "", 31);
        $this->RegisterVariableFloat("P_EV_entladen",  "P EV entladen max (W)",  "", 32);

        // Debug
        $this->RegisterVariableString("CalcJSON", "Berechnung (JSON)", "", 99);

        // Timer: wichtig -> Prefix muss passen
        $this->RegisterTimer("UpdateTimer", 0, 'GEF_Update($_IPS["TARGET"]);');
    }

    public function ApplyChanges()
    {
        parent::ApplyChanges();

        $intervalSec = (int)$this->ReadPropertyInteger("UpdateInterval");
        $this->SetTimerInterval("UpdateTimer", ($intervalSec > 0) ? $intervalSec * 1000 : 0);

        // Cache neu bauen (force)
        $this->BuildBatteryCache(true);

        $this->Update();
    }

    public function RequestAction($Ident, $Value)
    {
        if ($Ident === "State") {
            SetValue($this->GetIDForIdent("State"), (bool)$Value);
            if ((bool)$Value) {
                $this->Update();
            }
            return;
        }

        throw new Exception("Invalid Ident: " . $Ident);
    }

    public function Update()
    {
        

        // Reentranzschutz – verhindert parallele Update()-Läufe
        $semKey = 'BatEVSDL_Update_' . $this->InstanceID;

        if (!IPS_SemaphoreEnter($semKey, 5000)) {
                // Überspringen, wenn bereits ein Lauf aktiv ist
                $this->SendDebug("Update", "SKIP (Semaphore locked)", 0);
                return;
        }


        try {

            if (!GetValue($this->GetIDForIdent("State"))) {
                return;
            }

            // Cache nur neu bauen, wenn nötig
            $this->BuildBatteryCache(false);

            $cache = json_decode($this->GetBufferSafe("BatCacheJSON"), true);
            if (!is_array($cache) || empty($cache["bats"])) {
                $this->WriteAllZero("cache empty/invalid");
                return;
            }

            $calc = [
                "inputs" => $cache["inputs"] ?? [],
                "batteries" => [],
                "total" => []
            ];

            // Summen
            $sdlDisKW_ges = 0.0;
            $evDisKW_ges  = 0.0;
            $sdlChKW_ges  = 0.0;
            $evChKW_ges   = 0.0;

            $real_kWh_ev_ges  = 0.0;
            $real_kWh_sdl_ges = 0.0;

            $SDL_kWh_ges = 0.0;
            $EV_kWh_ges  = 0.0;
            $totalCapKWh = 0.0;

            foreach ($cache["bats"] as $i => $c) {

                $capKWh = (float)($c["capKWh"] ?? 0.0);
                if ($capKWh <= 0.0) {
                    continue;
                }

                // dynamisch: SoC lesen
                $socVarId = (int)($c["socVarId"] ?? 0);
                $socPct   = $this->ReadSocPercent($socVarId);

                $real_kWh = $capKWh / 100.0 * $socPct;

                // vorkalkuliert:
                $typ        = (string)($c["typ"] ?? ("Bat " . ($i + 1)));
                $underKWh   = (float)($c["underKWh"] ?? 0.0);
                $upKWh      = (float)($c["upKWh"] ?? 0.0);
                $SDL_kWh    = (float)($c["SDL_kWh_total"] ?? 0.0);
                $EV_kWh     = (float)($c["EV_kWh_total"] ?? 0.0);

                $sdlShareKW_laden = (float)($c["sdlShareKW_laden"] ?? 0.0);
                $sdlShareKW_entladen = (float)($c["sdlShareKW_entladen"] ?? 0.0);
                $evShareKW_laden  = (float)($c["evShareKW_laden"] ?? 0.0);
                $evShareKW_entladen  = (float)($c["evShareKW_entladen"] ?? 0.0);


                // Defaults
                $EV_SOC = 0.0;
                $SDL_SOC = 0.0;

                $sdlDisKW = 0.0; $evDisKW = 0.0;
                $sdlChKW  = 0.0; $evChKW  = 0.0;

                $real_kWh_ev  = 0.0;
                $real_kWh_sdl = 0.0;

                // --- Deine 3 Fälle ---
                if ($underKWh <= $real_kWh && $upKWh >= $real_kWh) {

                    
                $denSDL = ($capKWh - $upKWh + $underKWh);
                if ($denSDL > 0.0) {
                    $SDL_SOC = 100.0 * $underKWh / $denSDL;
                } else {
                    $SDL_SOC = 0.0;
                }
                $SDL_SOC = is_finite($SDL_SOC) ? max(0.0, min(100.0, $SDL_SOC)) : 0.0;

                    
                    if ($EV_kWh > 0.0) {
                        $EV_SOC = 100.0 * ($real_kWh - $underKWh) / $EV_kWh;
                    } else {
                        $EV_SOC = 0.0; // definierter Fallback
                    }
                    $EV_SOC = is_finite($EV_SOC) ? max(0.0, min(100.0, $EV_SOC)) : 0.0;

                    
                    $sdlDisKW = $sdlShareKW_entladen;
                    $evDisKW  = $evShareKW_entladen;
                    $sdlChKW  = $sdlShareKW_laden;
                    $evChKW   = $evShareKW_laden;

                    $real_kWh_ev  = $real_kWh - $underKWh;
                    $real_kWh_sdl = $underKWh;

                } elseif ($upKWh < $real_kWh) {

                    $EV_SOC = 100.0;

                    $den1 = ($capKWh - $real_kWh + $underKWh);
                    $den2 = (2.0 * $underKWh);

                    if ($den1 > 0.0 && $den2 > 0.0) {
                        $SDL_SOC = min(100.0, ($den1 / $den2) * 100.0);
                    } else {
                        $SDL_SOC = 0.0;
                    }
                    $SDL_SOC = is_finite($SDL_SOC) ? max(0.0, min(100.0, $SDL_SOC)) : 0.0;

                    $sdlDisKW = $sdlShareKW_entladen;
                    $evDisKW  = $evShareKW_entladen;
                    $sdlChKW  = $sdlShareKW_laden;
                    $evChKW   = 0.0;

                    $real_kWh_ev  = $capKWh - ($capKWh - $upKWh + $underKWh);
                    $real_kWh_sdl = ($capKWh - $upKWh + $underKWh) - ($capKWh - $real_kWh);

                } elseif ($underKWh > $real_kWh) {

                    $EV_SOC = 0.0;

                    $den = $upKWh + $underKWh;
                    $SDL_SOC = ($den > 0.0) ? ($real_kWh * 100.0 / $den) : 0.0;
                    $SDL_SOC = is_finite($SDL_SOC) ? max(0.0, min(100.0, $SDL_SOC)) : 0.0;

                    $sdlDisKW = $sdlShareKW_entladen;
                    $evDisKW  = 0.0;
                    $sdlChKW  = $sdlShareKW_laden;
                    $evChKW   = $evShareKW_laden;

                    $real_kWh_ev  = 0.0;
                    $real_kWh_sdl = $real_kWh;
                }

                // Null/Full
                if ($real_kWh <= 0.0) {
                    $sdlDisKW = 0.0;
                    $real_kWh_ev = 0.0;
                    $real_kWh_sdl = 0.0;
                } elseif ($real_kWh >= $capKWh) {
                    $sdlChKW = 0.0;
                    //$real_kWh_ev  = $capKWh - ($upKWh + $underKWh);
                    //$real_kWh_sdl = $upKWh + $underKWh;

                    $real_kWh_ev  = $EV_kWh;
                    $real_kWh_sdl = $SDL_kWh;
                }

                $real_kWh_ev  = max(0.0, $real_kWh_ev);
                $real_kWh_sdl = max(0.0, $real_kWh_sdl);

                // Summen
                $totalCapKWh += $capKWh;

                $sdlDisKW_ges += $sdlDisKW;
                $evDisKW_ges  += $evDisKW;
                $sdlChKW_ges  += $sdlChKW;
                $evChKW_ges   += $evChKW;

                $real_kWh_ev_ges  += $real_kWh_ev;
                $real_kWh_sdl_ges += $real_kWh_sdl;

                $SDL_kWh_ges += $SDL_kWh;
                $EV_kWh_ges  += $EV_kWh;

                $calc["batteries"][] = [
                    "idx" => $c["idx"] ?? $i,
                    "typ" => $typ,
                    "SoC_varId" => $socVarId,
                    "SoC_pct"   => round($socPct, 3),
                    "Effektive kWh" => round($real_kWh, 3),

                    "EV_SOC"  => round($EV_SOC, 3),
                    "SDL_SOC" => round($SDL_SOC, 3),

                    "EV_kWh"  => round($real_kWh_ev, 3),
                    "SDL_kWh" => round($real_kWh_sdl, 3),

                    "under_grenze_kWh" => round($underKWh, 3),
                    "up_grenze_kWh"    => round($upKWh, 3),

                    "SDL_Charge_kW"    => round($sdlChKW, 3),
                    "SDL_Discharge_kW" => round($sdlDisKW, 3),
                    "EV_Charge_kW"     => round($evChKW, 3),
                    "EV_Discharge_kW"  => round($evDisKW, 3),
                ];
            }

            $evPosPct  = ($EV_kWh_ges  > 0.0) ? ($real_kWh_ev_ges  / $EV_kWh_ges  * 100.0) : 0.0;
            $sdlPosPct = ($SDL_kWh_ges > 0.0) ? ($real_kWh_sdl_ges / $SDL_kWh_ges * 100.0) : 0.0;

            $this->SetIdentValue("SDL_Pos", round($sdlPosPct, 3));
            $this->SetIdentValue("SoC_EV",  round($evPosPct, 3));

            $this->SetIdentValue("P_SDL_laden",    round($sdlChKW_ges  * 1000.0, 0));
            $this->SetIdentValue("P_SDL_entladen", round($sdlDisKW_ges * 1000.0, 0));
            $this->SetIdentValue("P_EV_laden",     round($evChKW_ges   * 1000.0, 0));
            $this->SetIdentValue("P_EV_entladen",  round($evDisKW_ges  * 1000.0, 0));

            $calc["total"] = [
                "SDL_SoC_pct" => round($sdlPosPct, 3),
                "EV_SoC_pct"  => round($evPosPct, 3),

                "SDL_kWh_total" => round($SDL_kWh_ges, 3),
                "EV_kWh_total"  => round($EV_kWh_ges, 3),

                "SDL_Charge_kW"    => round($sdlChKW_ges, 3),
                "SDL_Discharge_kW" => round($sdlDisKW_ges, 3),
                "EV_Charge_kW"     => round($evChKW_ges, 3),
                "EV_Discharge_kW"  => round($evDisKW_ges, 3),

                "totalCap_kWh" => round($totalCapKWh, 3)
            ];

            $this->SetIdentValue("CalcJSON", json_encode($calc, JSON_PRETTY_PRINT));
            $this->ApplySetpoints();


        } catch (Throwable $e) {
            $this->SendDebug("Update ERROR", $e->getMessage() . " @ " . $e->getFile() . ":" . $e->getLine(), 0);
            $this->WriteAllZero("Exception: " . $e->getMessage());
        }
        finally {
            IPS_SemaphoreLeave($semKey); // ✅ Tür immer wieder aufschließen
    }
    }

    private function BuildBatteryCache(bool $force): void
    {
        $batteriesRaw = $this->ReadPropertyString("Batteries");
        //$sdlTotalW    = max(0, (int)$this->ReadPropertyInteger("SDL_Leistung"));
        $sdlTotalW_laden    = max(0, (int)$this->ReadPropertyInteger("SDL_Leistung_Laden"));
        $sdlTotalW_entladen    = max(0, (int)$this->ReadPropertyInteger("SDL_Leistung_Entladen"));
        $hours        = self::HOURS;

        $hash = md5(json_encode([
            "Batteries" => $batteriesRaw,
            "SDL_W_Laden"     => $sdlTotalW_laden,
            "SDL_W_Entladen"  => $sdlTotalW_entladen,
            "hours"     => $hours
        ]));

        $oldHash = $this->GetBufferSafe("BatCacheHash");
        if (!$force && $oldHash === $hash) {
            return;
        }

        $batteries = json_decode($batteriesRaw, true);
        if (!is_array($batteries)) $batteries = [];

        $sumBatPowerW = 0.0;
        foreach ($batteries as $b) {
            $p = (float)($b["powerbat"] ?? 0);
            if ($p > 0) $sumBatPowerW += $p;
        }

        $cache = [
            "inputs" => [
                "SDL_Leistung_W_laden" => $sdlTotalW_laden,
                "SDL_Leistung_W_entladen" => $sdlTotalW_entladen,
                "SumBatPower_W"  => round($sumBatPowerW, 0),
                "hours"          => $hours
            ],
            "bats" => []
        ];

        if ($sumBatPowerW <= 0.0) {
            $this->SetBuffer("BatCacheHash", $hash);
            $this->SetBuffer("BatCacheJSON", json_encode($cache));
            $this->SendDebug("Cache", "sumBatPowerW=0 -> empty cache", 0);
            return;
        }

        $sumBatPowerkW = $sumBatPowerW / 1000.0;
        //$sdlTotalkW    = $sdlTotalW / 1000.0;

        $sdlTotalkW_laden    = $sdlTotalW_laden / 1000.0;
        $sdlTotalkW_entladen = $sdlTotalW_entladen / 1000.0;

        foreach ($batteries as $idx => $b) {

            $pBatW  = max(0.0, (float)($b["powerbat"] ?? 0));
            $pBatkW = $pBatW / 1000.0;

            $capKWh = max(0.0, (float)($b["capazity"] ?? 0));
            if ($capKWh <= 0.0) continue;

            $socVarId = (int)($b["soc"] ?? 0);
            $typ      = (string)($b["typ"] ?? ("Bat " . ($idx + 1)));


            //  Mit laden und entladen unterschiedlich
            //----------------------------------------------------
            $sdlShareKW_laden = ($sumBatPowerkW > 0.0) ? ($sdlTotalkW_laden / $sumBatPowerkW * $pBatkW) : 0.0;
            $evShareKW_laden = $pBatkW - $sdlShareKW_laden;
            $upKWh = $capKWh - $sdlShareKW_laden * 0.5;

            $sdlShareKW_entladen = ($sumBatPowerkW > 0.0) ? ($sdlTotalkW_entladen / $sumBatPowerkW * $pBatkW) : 0.0;
            $evShareKW_entladen = $pBatkW - $sdlShareKW_entladen;
            $underKWh = $sdlShareKW_entladen * 0.5;

            $SDL_kWh = $underKWh + ($capKWh -$upKWh);
            $EV_kWh = $capKWh - $SDL_kWh;
            //----------------------------------------------------

            $cache["bats"][] = [
                "idx" => $idx,
                "typ" => $typ,

                "socVarId" => $socVarId,
                "capKWh"   => $capKWh,

                "pBatW"      => $pBatW,
                "sdlShareKW_laden" => $sdlShareKW_laden,
                "sdlShareKW_entladen" => $sdlShareKW_entladen,
                "evShareKW_laden"  => $evShareKW_laden,
                "evShareKW_entladen"  => $evShareKW_entladen,

                "underKWh" => $underKWh,
                "upKWh"    => $upKWh,

                "SDL_kWh_total" => $SDL_kWh,
                "EV_kWh_total"  => $EV_kWh
            ];
        }

        $this->SetBuffer("BatCacheHash", $hash);
        $this->SetBuffer("BatCacheJSON", json_encode($cache));

        $this->SendDebug("Cache", "Battery cache rebuilt (" . count($cache["bats"]) . " bats)", 0);
    }

    private function GetBufferSafe(string $name): string
    {
        $v = $this->GetBuffer($name);
        return is_string($v) ? $v : "";
    }

    private function WriteAllZero(string $reason): void
    {
        $this->SetIdentValue("SDL_Pos", 0.0);
        $this->SetIdentValue("SoC_EV", 0.0);

        $this->SetIdentValue("P_SDL_laden", 0.0);
        $this->SetIdentValue("P_SDL_entladen", 0.0);

        $this->SetIdentValue("P_EV_laden", 0.0);
        $this->SetIdentValue("P_EV_entladen", 0.0);

        $this->SetIdentValue("CalcJSON", json_encode(["error" => $reason], JSON_PRETTY_PRINT));
    }

    private function SetIdentValue(string $ident, $value): void
    {
        $id = @$this->GetIDForIdent($ident);
        if ($id <= 0) {
            $this->SendDebug(__FUNCTION__, "Ident nicht gefunden: $ident", 0);
            return;
        }
        SetValue($id, $value);
    }

    private function ReadSocPercent(int $varId): float
    {
        // Falls jemand statt Variable direkt 0..100 einträgt
        if ($varId >= 0 && $varId <= 100 && !IPS_VariableExists($varId)) {
            return (float)$varId;
        }

        if ($varId <= 0 || !IPS_VariableExists($varId)) {
            return 0.0;
        }

        $v = GetValue($varId);
        if (!is_numeric($v)) {
            return 0.0;
        }

        $soc = (float)$v;
        if ($soc < 0.0) $soc = 0.0;
        if ($soc > 100.0) $soc = 100.0;

        return $soc;
    }

        public function ApplySetpoints(): void
    {
        $pEvW  = (float) GetValue($this->GetIDForIdent("Nennleistung_Soll_EV"));
        $pSdlW = (float) GetValue($this->GetIDForIdent("Nennleistung_Soll_SDL"));

        //Diverenz zwischen EV und SDl berechnen 
        

        // Methode für priorisierung
        $distribution = $this->CalculateBatteryDistribution($pEvW,$pSdlW);


        $this->WriteBatteryPowerSetpoints($distribution);
    }


private function CalculateBatteryDistribution(float $pEvW, float $pSdlW): array
    {
        $calcJsonId = $this->GetIDForIdent("CalcJSON");
        // Fallback, falls Variable leer ist oder nicht existiert
        if (!IPS_VariableExists($calcJsonId)) {
            return [];
        }
        $rawJson = (string)GetValue($calcJsonId);
        if (empty($rawJson)) {
            return [];
        }
        $calc = json_decode($rawJson, true);
        $batteries = $calc['batteries'] ?? [];
 
        // ---------------------------------------------------------
        // Hilfsfunktion: Verteilungslogik (Closure)
        // ---------------------------------------------------------
        $distributePower = function(float $targetPower, string $mode) use ($batteries): array {
            // Initialisierung des Ergebnis-Arrays (Key = idx, Value = zugewiesene Watt)
            $result = [];
            foreach ($batteries as $bat) {
                $result[$bat['idx']] = 0.0;
            }
 
            if (abs($targetPower) < 0.01) {
                return $result; // Nichts zu tun
            }
 
            $isCharge = ($targetPower > 0);
            $absPower = abs($targetPower);
            // Relevante Keys basierend auf Modus (EV oder SDL) und Richtung (Laden/Entladen)
            $socKey = ($mode === 'EV') ? 'EV_SOC' : 'SDL_SOC';
            // Achtung: JSON Limits sind in kW, wir rechnen in Watt -> * 1000
            $limitKey = $isCharge ? $mode . '_Charge_kW' : $mode . '_Discharge_kW';
 
            // 1. Batterien vorbereiten und gruppieren nach gerundetem SoC
            $groups = [];
            foreach ($batteries as $bat) {
                $soc = (int)round($bat[$socKey]); // Auf ganze Zahl runden
                $maxW = ((float)$bat[$limitKey]) * 1000.0; // kW in Watt umrechnen
                $groups[$soc][] = [
                    'idx' => $bat['idx'],
                    'maxW' => $maxW
                ];
            }
 
            // 2. Sortieren der Gruppen
            // Laden: Wenig SoC zuerst (ASC) -> leere füllen
            // Entladen: Viel SoC zuerst (DESC) -> volle leeren
            if ($isCharge) {
                ksort($groups);
            } else {
                krsort($groups);
            }
 
            // 3. Verteilung
            $remainingNeeded = $absPower;
 
            foreach ($groups as $soc => $groupBatteries) {
                if ($remainingNeeded <= 0.01) break;
 
                // Gesamte verfügbare Leistung in dieser SoC-Gruppe ermitteln
                $groupTotalCapacity = 0.0;
                foreach ($groupBatteries as $gb) {
                    $groupTotalCapacity += $gb['maxW'];
                }
 
                // Wie viel können wir dieser Gruppe zuteilen?
                // Entweder alles was die Gruppe kann, oder den Restbedarf
                $powerForThisGroup = min($remainingNeeded, $groupTotalCapacity);
 
                // Proportionale Aufteilung innerhalb der Gruppe
                // Falls Gruppe Kapazität 0 hat (Defekt/Voll), verhindern wir DivByZero
                if ($groupTotalCapacity > 0) {
                    $ratio = $powerForThisGroup / $groupTotalCapacity;
                    foreach ($groupBatteries as $gb) {
                        $assigned = $gb['maxW'] * $ratio;
                        $result[$gb['idx']] = $assigned;
                    }
                }
 
                $remainingNeeded -= $powerForThisGroup;
            }
 
            // Wenn wir entladen, müssen die Werte negativ sein
            if (!$isCharge) {
                foreach ($result as $idx => $val) {
                    $result[$idx] = -$val;
                }
            }
 
            return $result;
        };
 
        // ---------------------------------------------------------
        // Hauptablauf
        // ---------------------------------------------------------
 
        // 1. Berechnung für EV und SDL getrennt durchführen
        $evDistribution = $distributePower($pEvW, 'EV');
        $sdlDistribution = $distributePower($pSdlW, 'SDL');
 
        // 2. Ergebnisse zusammenführen und Output formatieren
        $finalOutput = [];
 
        foreach ($batteries as $bat) {
            $idx = $bat['idx'];
            // Summe der beiden Anforderungen (kann sich gegenseitig aufheben)
            $valEv = $evDistribution[$idx] ?? 0.0;
            $valSdl = $sdlDistribution[$idx] ?? 0.0;
            $totalW = $valEv + $valSdl;
 
            // Aufteilen in Charge / Discharge für das Return-Format
            $chargeW = 0.0;
            $dischargeW = 0.0;
 
            if ($totalW > 0) {
                $chargeW = abs($totalW);
            } else {
                $dischargeW = abs($totalW);
            }
 
            // JSON Objekt erstellen
            $finalOutput[] = [
                "idx" => $idx,
                "typ" => (string)$bat['typ'], // Typ als String beibehalten
                "chargeW" => round($chargeW, 0), // Optional: runden für sauberes JSON
                "dischargeW" => round($dischargeW, 0)
            ];
        }
 

        $batteriesRaw = json_decode($this->ReadPropertyString("Batteries"));

        $totalPower_ist = 0; 

            foreach ($batteriesRaw as $bat) {

                        $totalPower_ist +=  GetValue($bat->register_bat_power);

            }


$sumReq = (abs($pEvW) + abs($pSdlW));
$sumReqRel = ($pEvW + $pSdlW);

if($sumReq==0){

            $this->SetValue("Aktuelle_Leistung_EV",  $totalPower_ist / 2);
            $this->SetValue("Aktuelle_Leistung_SDL", $totalPower_ist / 2);

}else{

            if($pEvW>=0){

            $this->SetValue("Aktuelle_Leistung_EV",((1+($totalPower_ist-$sumReqRel) / $sumReq)) * $pEvW);

            }else{
            $this->SetValue("Aktuelle_Leistung_EV",((1-($totalPower_ist-$sumReqRel) / $sumReq)) * $pEvW);

            }

            if($pSdlW>=0){
            $this->SetValue("Aktuelle_Leistung_SDL",((1+($totalPower_ist-$sumReqRel) / $sumReq)) * $pSdlW);

            }else{
            $this->SetValue("Aktuelle_Leistung_SDL",((1-($totalPower_ist-$sumReqRel) / $sumReq)) * $pSdlW);
            }

}
/*
        $sumReq = (float)($pEvW + $pSdlW);

        if (!is_finite($sumReq) || abs($sumReq) < 0.01) {

            $this->SetValue("Aktuelle_Leistung_EV",  $totalPower_ist / 2);
            $this->SetValue("Aktuelle_Leistung_SDL", $totalPower_ist / 2);

        } else {

            $this->SetValue("Aktuelle_Leistung_EV",($totalPower_ist / $sumReq) * $pEvW);

            $this->SetValue("Aktuelle_Leistung_SDL",($totalPower_ist / $sumReq) * $pSdlW);
        }

        */


        return $finalOutput;
    }

    private function WriteBatteryPowerSetpoints(array $distribution): void
    {
        IPS_LogMessage(
        __FUNCTION__,
        "distribution=" . json_encode($distribution, JSON_PRETTY_PRINT)
        );

        $batteriesCfg = json_decode($this->ReadPropertyString("Batteries"), true);
        if (!is_array($batteriesCfg) || empty($batteriesCfg)) {
            return;
        }

        foreach ($distribution as $d) {

            $idx = (int)($d["idx"] ?? -1);
            if ($idx < 0 || !isset($batteriesCfg[$idx])) {
                continue;
            }

            $cfg = $batteriesCfg[$idx];

            $typ = (string)($d["typ"] ?? ($cfg["typ"] ?? ("Bat " . ($idx + 1))));

            // ✅ immer positiv
            $chargeW    = max(0.0, (float)($d["chargeW"] ?? 0.0));
            $dischargeW = max(0.0, (float)($d["dischargeW"] ?? 0.0));

            // nie gleichzeitig
            if ($chargeW > 0.0 && $dischargeW > 0.0) {
                $this->SendDebug("WriteBatteryPowerSetpoints", "WARN: both >0 for $typ (idx=$idx) -> set 0", 0);
                $chargeW = 0.0;
                $dischargeW = 0.0;
            }

            $this->WriteByVendorRegistersSingleMode($typ, $cfg, $chargeW, $dischargeW);

            $this->SendDebug("Setpoints", "$typ (idx=$idx) charge={$chargeW}W discharge={$dischargeW}W", 0);
        }
    }

private function WriteByVendorRegistersSingleMode(string $typ, array $cfg, float $chargeW, float $dischargeW): void
{
    $t = mb_strtolower($typ);

    // Leistungs-Variablen
    $varPowerCharge = (int)($cfg["powerbat_laden"] ?? 0);
    $varPowerDisch  = (int)($cfg["powerbat_entladen"] ?? 0);

    // ✅ EIN Modus-Register
    $varMode = (int)($cfg["register_ladenentladen_modus"] ?? 0);

    // sichere Writer
    $setInt = function(int $varId, int $value): void {
        if ($varId > 0 && IPS_VariableExists($varId)) {
            RequestAction($varId, $value);
        }
    };
    $setW = function(int $varId, float $w): void {
        if ($varId > 0 && IPS_VariableExists($varId)) {
            RequestAction($varId, (int)round(max(0.0, $w), 0)); // ✅ niemals negativ
        }
    };

    // Moduscodes je Typ
    $modeCharge = 1; $modeDisch = 2; // Default
    if (strpos($t, "goodwe") !== false) {
        $modeCharge = 11; $modeDisch = 12;
    } elseif (strpos($t, "solaredge") !== false) {
        $modeCharge = 3;  $modeDisch = 4;
    }

    // =========================
    // Laden
    // =========================
    if ($chargeW > 0.0) {

        // Modus setzen (ein Register)
        $setInt($varMode, $modeCharge);

        // GoodWe: nur powerbat_laden
        if (strpos($t, "goodwe") !== false) {
            $setW($varPowerCharge, (int)$chargeW);
            $setW($varPowerDisch, (int)0);
            return;
        }

        // SolarEdge + Default: zwei Leistungsregister
        $setW($varPowerCharge, $chargeW);
        $setW($varPowerDisch, 0.0);
        return;
    }

    // =========================
    // Entladen
    // =========================
    if ($dischargeW > 0.0) {

        // Modus setzen (ein Register)
        $setInt($varMode, $modeDisch);

        // GoodWe: Entladen nutzt trotzdem powerbat_laden (immer positiv)
        if (strpos($t, "goodwe") !== false) {
            $setW($varPowerCharge, (int)$dischargeW);
            $setW($varPowerDisch, (int)0);
            return;
        }

        // SolarEdge + Default: Entladen in powerbat_entladen
        $setW($varPowerDisch, $dischargeW);
        $setW($varPowerCharge, 0.0);
        return;
    }

    // =========================
    // Stop / Neutral
    // =========================
    $setW($varPowerCharge, 0.0);
    $setW($varPowerDisch, 0.0);
    // optional: Modus nicht anfassen oder auf 0 setzen:
    // $setInt($varMode, 0);
}


}
?>