<?php

class Ladestation_v2 extends IPSModule
{
    public function Create()
    {
    
        parent::Create();

        // Ladestationspezifische Properties
        $this->RegisterPropertyInteger("MinLeistung", 3600);
        $this->RegisterPropertyInteger("MaxLeistung", 11000);
        $this->RegisterPropertyInteger("MinLeistung_1ph", 1400);
        $this->RegisterPropertyInteger("MaxLeistung_1ph", 7800);
        $this->RegisterPropertyString("IP_Adresse", "0.0.0.0");
        $this->RegisterPropertyInteger("Ladestation", 2);
        $this->RegisterPropertyString("ID", "");
        $this->RegisterPropertyString("Seriennummer", "");
        $this->RegisterPropertyString("Username", "");
        $this->RegisterPropertyString("Password", "");
        $this->RegisterPropertyInteger("Interval", 5); // Recheninterval


        // Ladestationspezifische Variabeln
        $this->RegisterVariableFloat("Max_Current", 0);
        $this->RegisterVariableBoolean("Is_1_ph", "Is_1_ph", "", false);
        $this->RegisterVariableBoolean("Car_Detected", false);
        $this->RegisterPropertyInteger("Pending_Counter", "Pending_Counter", "", 0);
        $this->RegisterVariableBoolean("Car_is_full", "Car_is_full", "", false);

        $this->RegisterVariableBoolean("Ladebereit", "Ladebereit", "~Switch", 1);
        $this->RegisterVariableBoolean("Solarladen", "Solarladen", "~Switch", 0);
        $this->RegisterVariableInteger("Fahrzeugstatus", "Fahrzeugstatus", "", 0);
        $this->RegisterVariableInteger("Lademodus", "Lademodus", "", 0);
        $this->RegisterVariableFloat("Ladeleistung_Effektiv", "Ladeleistung_Effektiv", "", 0);
        $this->RegisterVariableBoolean("Peak", "Peak", "", 0);
        $this->RegisterVariableInteger("Ladestrom", "Ladestrom");
        $this->RegisterVariableInteger("Ladeleistung", "Ladeleistung");
        
        // Variabeln für Kommunkation mit Manager
        $this->RegisterVariableInteger("Sperre_Prio", "Sperre_Prio");
        $this->RegisterVariableInteger("PV_Prio", "PV_Prio");
        $this->RegisterVariableBoolean("Idle", "Idle", "", 0);
        $this->RegisterVariableInteger("Aktuelle_Leistung", "Aktuelle_Leistung", "", 0);
        $this->RegisterVariableFloat("Bezogene_Energie", "Bezogene_Energie", "", 0);
        $this->RegisterVariableString("PowerSteps", "PowerSteps");
        $this->RegisterVariableInteger("Power", "Power");
        $this->RegisterVariableBoolean("Is_Peak_Shaving", "Is_Peak_Shaving");
        $this->RegisterVariableInteger("Leistung_Delta", "Leistung_Delta", "", 0);
        $this->RegisterVariableInteger("Power_Count", "Power_Count", "", 0);

        // Hilfsvariabeln für Idle zustand
        $this->RegisterPropertyInteger("IdleCounterMax", 2);
        $this->RegisterVariableInteger("IdleCounter", "IdleCounter", "", 0);
        $this->SetValue("IdleCounter", 0);

        // Initialisiere Idle
        $this->SetValue("Idle", true);

        $this->RegisterTimer("Timer_Do_UserCalc_EVC",$this->ReadPropertyInteger("Interval")*1000,"IPS_RequestAction(" .$this->InstanceID .', "Do_UserCalc", "");');

    }

    public function ApplyChanges()
    {
        parent::ApplyChanges();
        $this->SetTimerInterval("Timer_Do_UserCalc_EVC",$this->ReadPropertyInteger("Interval")*1000); 

        // Zusätzliche Anpassungen nach Bedarf
    }

    public function RequestAction($Ident, $Value)
    {
        switch ($Ident) {

            case "SetAktuelle_Leistung":
                $this->SetValue("Power", (int)$Value);
                break;
    
            case "GetCurrentData":
                $this->SetValue("Is_Peak_Shaving", (bool)$Value);
                break;
                
            case "Do_UserCalc":


                if($this->Detect_Car($this->ReadPropertyInteger("Ladestation"))){
                    $this->SetAktuelle_Leistung($this->GetValue("Power"));
                    $this->GetCurrentData($this->GetValue("Is_Peak_Shaving"));
                }
                else{
                    SetValue($this->GetIDForIdent("PowerSteps"), json_encode([0]));
                    $this->SetValue("Power", 0); 
                
                }
                break; 

            default:
                throw new Exception("Invalid Ident");
        }
    }


    public function Detect_Car(int $carType)
    {   

        if($this->GetValue("Car_Detected")){
            if($this->Get_Car_Status($carType)==true){
                $this->SetValue("Car_Detected", true);
            }else{
                $this->SetValue("Car_Detected", false);
            }
        }
        else{
            if($this->Get_Car_Status($carType)==true){

                $this->sendPowerToStation(32); 

                $counter = $this->GetValue("Pending_Counter"); 

                if($counter>(20/($this->ReadPropertyInteger("Interval")*1000))){

                    $this->SetValue("Pending_Counter", 0);
                    if($this->GetValue("Ladeleistung_Effektiv")>7500){
                        $this->SetValue("Is_1_ph", false);
                    
                    }
                    else{
                        $this->SetValue("Is_1_ph", true);
                    }

                    $this->Calc_Max_Current($this->GetValue("Is_1_ph")); 
                    $this->SetValue("Car_Detected", true);


                }
                else{
                    $this->SetValue("Pending_Counter", $counter+1);
                    $this->SetValue("Car_Detected", false);

                }                


            }else{
                $this->SetValue("Car_Detected", false);
            }
        }
        return $this->GetValue("Car_Detected"); 

    }

    public function Get_Car_Status(int $carType)
    {
        $plug_state = false;
    
        switch ($carType) {
            case 1:
                curl_setopt($ch, CURLOPT_URL, "http://" . $this->ReadPropertyString("IP_Adresse") . "/mqtt?payload=");
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
                $response = curl_exec($ch);
                curl_close($ch);
                $data = json_decode($response, true);
    
                if (json_last_error() === JSON_ERROR_NONE && isset($data["car"])) {
                    if ($data["car"] != 1) {
                        $plug_state = true;
                    }
                    $this->SetValue("Ladeleistung_Effektiv", $data["nrg"][11]*10);
                    $this->SetValue("Fahrzeugstatus", $data["car"]);
                }
                break;
    
            case 2:
                curl_setopt($ch, CURLOPT_URL, "http://" . $this->ReadPropertyString("IP_Adresse") . "/api/status");
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
                $response = curl_exec($ch);
                curl_close($ch);
                $data = json_decode($response, true);
    
                if (json_last_error() === JSON_ERROR_NONE && isset($data["car"])) {
                    if ($data["car"] != 1) {
                        $plug_state = true;
                    }
                    $this->SetValue("Ladeleistung_Effektiv", $data["nrg"][11]);
                    $this->SetValue("Fahrzeugstatus", $data["car"]);
                }
                break;
    
            case 3:
                curl_setopt($ch, CURLOPT_URL, "https://api.smart-me.com/pico/charging/" . $this->ReadPropertyString("ID"));
                curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
                curl_setopt($ch, CURLOPT_USERPWD, $this->ReadPropertyString("Username") . ":" . $this->ReadPropertyString("Password"));
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
                $response = curl_exec($ch);
                curl_close($ch);
                $data = json_decode($response, true);
    
                if (json_last_error() === JSON_ERROR_NONE && isset($data["State"])) {
                    if ($data["State"] != 1) {
                        $plug_state = true;
                    }
                    $this->SetValue("Ladeleistung_Effektiv", round($data["ActiveChargingPower"]*1000));
                    $this->SetValue("Fahrzeugstatus", $data["State"]);

                }
                break;
    
            case 4:
                $plug_state = true;
                break;
    
            case 5:
                echo "Fall 5";
                break;
    
            default:
                $plug_state = false;
                $this->SetValue("Fahrzeugstatus", -1);
                break;
        }
    
        $this->SetValue("Car_detected", $plug_state);
        
        return $plug_state;
    }

    public function Calc_Max_Current(bool $is_1_ph)  
    {
        $maxCurrent = 32; 
        if($is_1_ph){
            $maxCurrent = 1.1 * ($this->GetValue("Ladeleistung_Effektiv") / 230); 
        }
        else{
            $maxCurrent = 1.1 * ($this->GetValue("Ladeleistung_Effektiv") / (1.71*400)); 
        }
        if($maxCurrent>32){
            $maxCurrent = 32; 
        }
            $this->SetValue("Max_Current", $maxCurrent); 
    }

    public function Get_Current_From_Power(bool $is_1_ph, int $power)
    {
        if ($is_1_ph) {
            $current = round($power / 230);
        } else {
            $current = round($power / (400 * 1.71));
        }
    
        return $current;
    }

    public function Get_Array_From_Current(bool $is_1_ph, float $current)
    {
        $resultArray = [];
    
        for ($i = 6; $i <= $current; $i++) {
            if ($is_1_ph) {
                $resultArray[] = $i * 230;
            } else {
                $resultArray[] = $i * 400 * 1.71;
            }
        }
    
        return $resultArray;
    }


    public function SetAktuelle_Leistung(int $power)
    {

        $internalPower = GetValue($this->GetIDForIdent("Aktuelle_Leistung"));
        // Aktuelle Leistungsvorgabe setzen
        SetValue($this->GetIDForIdent("Aktuelle_Leistung"), $power);
        $this->SetValue("Bezogene_Energie", ($this->GetValue("Bezogene_Energie") + ($this->GetValue("Aktuelle_Leistung")*($this->ReadPropertyInteger("Interval")/3600))));

        if ($power != $internalPower) {
            // Setze die interne Leistungsvorgabe

            // Idle für 4 Zyklen auf false setzen
            SetValue($this->GetIDForIdent("Idle"), false);
            SetValue(
                $this->GetIDForIdent("IdleCounter"),
                $this->ReadPropertyInteger("IdleCounterMax")
            );
        } else {
            // IdleCallCounter herunterzählen, wenn power == interne Leistungsvorgabe
            $idleCounter = GetValue($this->GetIDForIdent("IdleCounter"));
            if ($idleCounter > 0) {
                $idleCounter--;
                SetValue($this->GetIDForIdent("IdleCounter"), $idleCounter);
                if ($idleCounter == 0) {
                    SetValue($this->GetIDForIdent("Idle"), true);
                }
            }
        }

        // Ladeleistung setzen
        $peak = GetValue($this->GetIDForIdent("Peak"));
        $solarladen = GetValue($this->GetIDForIdent("Solarladen"));
        $Ladebereit = GetValue($this->GetIDForIdent("Ladebereit"));
        if (!$Ladebereit) {

            $this->sendPowerToStation(0);

        } elseif (!$peak && !$solarladen) {
            // Wenn weder Peak noch Solarladen aktiv sind, setze Ladeleistung auf MaxLeistung
            $this->sendPowerToStation(Get_Current_From_Power($this->GetValue("Is_1_ph"), $this->GetValue("Max_Current")));

        } else {
            // Ansonsten setze Ladeleistung auf die aktuelle Leistungsvorgabe (Aktuelle_Leistung)
            $this->sendPowerToStation(Get_Current_From_Power($this->GetValue("Is_1_ph"), $power));

        }
    }

    // Methode zum Abrufen der aktuellen Daten
    public function GetCurrentData(bool $Peak)
    {
        // Aktuelle Properties abrufen
        $ladebereit = GetValue($this->GetIDForIdent("Ladebereit"));
        $solarladen = GetValue($this->GetIDForIdent("Solarladen"));


        // Peak-Wert speichern
        $this->SetValue("Peak", $Peak);

        // Array für die Powersteps initialisieren
        $powerSteps = [];

            // Konfiguration des powerSteps-Arrays basierend auf den Properties
            if (!$ladebereit) {
                $powerSteps = [0];
            } elseif (!$Peak && !$solarladen) {
                $powerSteps = [$max($this->Get_Array_From_Current("Max_Current"))];
            } elseif (!$Peak && $solarladen) {
                        $powerSteps = $this->Get_Array_From_Current("Max_Current");
            } elseif ($solarladen && $Peak) {
                $powerSteps = [0];
            } else {       
                $powerSteps = [0];
            }
        
        // PowerSteps in der RegisterVariable speichern
        SetValue($this->GetIDForIdent("PowerSteps"), json_encode($powerSteps));
        // Rückgabe der Powersteps
        $counter = $this->GetValue("Pending_Counter"); 

        if(max($powerSteps)==$this->GetValue("Aktuelle_Leistung")){
            if(max($powerSteps)>(1.11*$this->GetValue("Ladeleistung_Effektiv"))){
             $this->SetValue("Pending_Counter", $counter+1); 

            }
            else{

                $this->SetValue("Pending_Counter", 0); 

            }

            if($counter>(20/($this->ReadPropertyInteger("Interval")*1000))){

                $this->SetValue("Pending_Counter", 0);
                $this->Calc_Max_Current($this->GetValue("Is_1_ph")); 
            }
        }


        return $powerSteps;
    }

    public function sendPowerToStation(float $value)
    {
        $baseUrl = "";
        $stationType = $this->ReadPropertyInteger("Ladestation");
    
        switch ($stationType) {
            case 1:
                $baseUrl = "http://" . $this->ReadPropertyString("IP_Adresse") . "/mqtt?payload=";
                break;
            case 2:
                $baseUrl = "http://" . $this->ReadPropertyString("IP_Adresse") . "/api/set?";
                break;
            case 3:
                $baseUrl = "https://api.smart-me.com/pico/loadmanagementgroup/current/" . $this->ReadPropertyString("Seriennummer") . "?current=";
                break;
            case 4:
                // Nichts zu tun für Dummy station
                return;
        }
    
        $value = $this->convertPowerToCurrent($value, GetValue($this->GetIDForIdent("Lademodus")));
        $ch = curl_init();
        IPS_LogMessage("value", "nach konvertierung" . $value);
    
        if ($value == 0) {
            switch ($stationType) {
                case 1:
                    $url = $baseUrl . "alw=0";
                    break;
                case 2:
                    $url = $baseUrl . "frc=1";
                    break;
                case 3:
                    $url = $baseUrl . "0";
                    curl_setopt($ch, CURLOPT_POST, true);
                    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
                    curl_setopt($ch, CURLOPT_USERPWD, $this->ReadPropertyString("Username") . ":" . $this->ReadPropertyString("Password"));
                    break;
                case 4:
                    // Nichts zu tun für Dummy station
                    return;
                default:
                    return "Invalid station type.";
            }
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $response = curl_exec($ch);
            curl_close($ch);
            return $response;
        } elseif ($value >= 1 && $value <= 32) {
            switch ($stationType) {
                case 1:
                    $url1 = $baseUrl . "alw=1";
                    $url2 = $baseUrl . "amp=$value";
                    break;
                case 2:
                    $url1 = $baseUrl . "frc=2";
                    $url2 = $baseUrl . "amp=$value";
                    break;
                case 3:
                    $url2 = $baseUrl . ($value * 1000);
                    curl_setopt($ch, CURLOPT_POST, true);
                    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
                    curl_setopt($ch, CURLOPT_USERPWD, $this->ReadPropertyString("Username") . ":" . $this->ReadPropertyString("Password"));
                    break;
                case 4:
                    // Nichts zu tun für Dummy station
                    return;
                default:
                    return "Invalid station type.";
            }
    
            if (isset($url1)) {
                curl_setopt($ch, CURLOPT_URL, $url1);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                $response1 = curl_exec($ch);
                if (curl_errno($ch)) {
                    curl_close($ch);
                    return "Error:" . curl_error($ch);
                }
            }
    
            curl_setopt($ch, CURLOPT_URL, $url2);
            $response2 = curl_exec($ch);
            if (curl_errno($ch)) {
                curl_close($ch);
                return "Error:" . curl_error($ch);
            }
            curl_close($ch);
            return;
        } else {
            return "Invalid value. Must be between 0 and 32.";
        }
    }


}
?>