package emuProfIILoRaCfg1

// provisioning device with
// f_port=1: 01 00 0A 0B 0C 0D 0E 17 18 19 F0 4C
//           01 00 08 0B 0C 0D 0E 17 18 19 F0 BE
// f_port=2: 01 00 0A 24 26 28 2A 7A
//           01 00 08 24 26 28 2A BE


import (
  "fmt"
  //"log"
  "encoding/json"
  "udi/database"
)


/*
    {
      "Active Energy Export T1 64bit": {
        "unit": "Wh",
        "value": 0
      },
      "Active Energy Import T1 64bit": {
        "unit": "Wh",
        "value": 0
      },
      "Reactive Energy Export T1 64bit": {
        "unit": "varh",
        "value": 0
      },
      "Reactive Energy Import T1 64bit": {
        "unit": "varh",
        "value": 0
      },
      "medium": {
        "desc": "Electricity",
        "type": 1
      },
      "timeStamp": 1702052100
    }
*/
type emuMessage2 struct {
  ActiveEnergyExport struct {
    Value int `json:"value"`
    Unit string `json:"unit"`
  } `json:"Active Energy Export T1 64bit"`
  ReactiveEnergyExport struct {
    Value int `json:"value"`
    Unit string `json:"unit"`
  } `json:"Reactive Energy Export T1 64bit"`
  ActiveEnergyImport struct {
    Value int `json:"value"`
    Unit string `json:"unit"`
  } `json:"Active Energy Import T1 64bit"`
  ReactiveEnergyImport struct {
    Value int `json:"value"`
    Unit string `json:"unit"`
  } `json:"Reactive Energy Import T1 64bit"`
  Medium struct {
    Desc string `json:"desc"`
    Type int `json:"type"`
  } `json:"medium"`
  Timestamp int `json:"timestamp"`
}

/*
    {
      "Active Power L1": {
        "cfgphase": 1,
        "unit": "W",
        "value": 0
      },
      "Active Power L123": {
        "unit": "W",
        "value": 0
      },
      "Active Power L2": {
        "cfgphase": 2,
        "unit": "W",
        "value": 0
      },
      "Active Power L3": {
        "cfgphase": 3,
        "unit": "W",
        "value": 0
      },
      "Powerfactor L1": {
        "cfgphase": 1,
        "unit": "Cos",
        "value": 0,
        "value_raw": 0
      },
      "Powerfactor L2": {
        "cfgphase": 2,
        "unit": "Cos",
        "value": 0,
        "value_raw": 0
      },
      "Powerfactor L3": {
        "cfgphase": 3,
        "unit": "Cos",
        "value": 0,
        "value_raw": 0
      },
      "errorcode": {
        "CTRatioChange": false,
        "ImpulseRatioChange": false,
        "ImpulseWidthChange": false,
        "LogbookFull": false,
        "PowerFail": false,
        "TimeChanged": false,
        "VTRatioChange": false,
        "value": 0
      },
      "medium": {
        "desc": "Electricity",
        "type": 1
      },
      "timeStamp": 1702392300
    }
*/
type emuMessage1 struct {
  ActivePowerL1 struct {
    CfgPhase int `json:"cfgphase"`
    Unit string `json:"unit"`
    Value int `json:"value"` 
  } `json:"Active Power L1"`
  ActivePowerL2 struct {
    CfgPhase int `json:"cfgphase"`
    Unit string `json:"unit"`
    Value int `json:"value"` 
  } `json:"Active Power L2"`
  ActivePowerL3 struct {
    CfgPhase int `json:"cfgphase"`
    Unit string `json:"unit"`
    Value int `json:"value"` 
  } `json:"Active Power L3"`
  ActivePowerL123 struct {
    Unit string `json:"unit"`
    Value int `json:"value"` 
  } `json:"Active Power L123"`
  PowerfactorL1 struct {
    CfgPhase int `json:"cfgphase"`
    Unit string `json:"unit"`
    Value float32 `json:"value"` 
    ValueRaw float32 `json:"value_raw"` 
  } `json:"Powerfactor L1"`
  PowerfactorL2 struct {
    CfgPhase int `json:"cfgphase"`
    Unit string `json:"unit"`
    Value float32 `json:"value"` 
    ValueRaw float32 `json:"value_raw"` 
  } `json:"Powerfactor L2"`
  PowerfactorL3 struct {
    CfgPhase int `json:"cfgphase"`
    Unit string `json:"unit"`
    Value float32 `json:"value"` 
    ValueRaw float32 `json:"value_raw"` 
  } `json:"Powerfactor L3"`
  ErrorCode struct {
    CTRatioChange bool `json:"CTRatioChange"`
    ImpulseRatioChange bool `json:"ImpulseRatioChange"`
    ImpulseWidthChange bool `json:"ImpulseWidthChange"`
    LogbookFull bool `json:"LogbookFull"`
    PowerFail bool `json:"PowerFail"`
    TimeChanged bool `json:"TimeChanged"`
    VTRatioChange bool `json:"VTRatioChange"`
    Value int `json:"value"`
  } `json:"errorcode"`
  Medium struct {
    Desc string `json:"desc"`
    Type int `json:"type"`
  } `json:"medium"`
  Timestamp int `json:"timestamp"`
}



func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
  //log.Printf("Parse input: %d, %s", fPort, decodedPayload)
  switch fPort {
  case 1:
    var emuMessage1 emuMessage1
    err := json.Unmarshal(decodedPayload, &emuMessage1)
    if err != nil {
      return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
    }
    (*variables)["ActivePowerL1"] = database.VariableType { 
      Variable: "ActivePowerL1", 
      Unit: emuMessage1.ActivePowerL1.Unit,
      Value: emuMessage1.ActivePowerL1.Value,
    }
    (*variables)["ActivePowerL2"] = database.VariableType { 
      Variable: "ActivePowerL2", 
      Unit: emuMessage1.ActivePowerL2.Unit,
      Value: emuMessage1.ActivePowerL2.Value,
    }
    (*variables)["ActivePowerL3"] = database.VariableType { 
      Variable: "ActivePowerL3", 
      Unit: emuMessage1.ActivePowerL3.Unit,
      Value: emuMessage1.ActivePowerL3.Value,
    }
    (*variables)["ActivePowerL123"] = database.VariableType { 
      Variable: "ActivePowerL123", 
      Unit: emuMessage1.ActivePowerL123.Unit,
      Value: emuMessage1.ActivePowerL123.Value,
    }
    (*variables)["PowerfactorL1"] = database.VariableType { 
      Variable: "PowerfactorL1", 
      Unit: emuMessage1.PowerfactorL1.Unit,
      Value: emuMessage1.PowerfactorL1.Value,
    }
    (*variables)["PowerfactorL2"] = database.VariableType { 
      Variable: "PowerfactorL2", 
      Unit: emuMessage1.PowerfactorL2.Unit,
      Value: emuMessage1.PowerfactorL2.Value,
    }
    (*variables)["PowerfactorL3"] = database.VariableType { 
      Variable: "PowerfactorL3", 
      Unit: emuMessage1.PowerfactorL3.Unit,
      Value: emuMessage1.PowerfactorL3.Value,
    }

    return nil
  case 2:
    var emuMessage2 emuMessage2
    err := json.Unmarshal(decodedPayload, &emuMessage2)
    if err != nil {
      return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
    }
    (*variables)["ActiveEnergyExport"] = database.VariableType { 
      Variable: "ActiveEnergyExport", 
      Unit: emuMessage2.ActiveEnergyExport.Unit,
      Value: emuMessage2.ActiveEnergyExport.Value,
    }
    (*variables)["ActiveEnergyImport"] = database.VariableType { 
      Variable: "ActiveEnergyImport", 
      Unit: emuMessage2.ActiveEnergyImport.Unit,
      Value: emuMessage2.ActiveEnergyImport.Value,
    }
    (*variables)["ReactiveEnergyExport"] = database.VariableType { 
      Variable: "ReactiveEnergyExport", 
      Unit: emuMessage2.ReactiveEnergyExport.Unit,
      Value: emuMessage2.ReactiveEnergyExport.Value,
    }
    (*variables)["ReactiveEnergyImport"] = database.VariableType { 
      Variable: "ReactiveEnergyImport", 
      Unit: emuMessage2.ReactiveEnergyImport.Unit,
      Value: emuMessage2.ReactiveEnergyImport.Value,
    }
    return nil
  default:
    return fmt.Errorf("Unexpected fPort %d", fPort)
  }
}