/*
* NSChild-PM2
*
* Description:
* This Hubitat driver provides a spot to put Apex data in children of the parent device. It has no
* ability to check anything on it's own but the children make it much easier for dashboard and comparison purposes.
*
* Instructions for using Tile Template method (originally based on @mircolino's HTML Templates):
* 1) In "Hubitat -> Devices" select the child/sensor (not the parent) you would like to "templetize"
* 2) In "Preferences -> Tile Template" enter your template (example below) and click "Save Preferences"
*   Ex: "[font size='2'][b]Temperature:[/b] ${ temperature }°${ location.getTemperatureScale() }[/br][/font]"
* 3) In a Hubitat dashboard, add a new tile, and select the child/sensor, in the center select "Attribute", and on the right select the "Tile" attribute
* 4) Select the Add Tile button and the tile should appear
* NOTE: Should accept most HTML formatting commands with [] instead of <>
* 
* Features List:
* Ability to receive just state variables without posting events
* Ability to display Apex attributes
* Ability to check a website (mine) to notify user if there is a newer version of the driver available
* 
* Licensing:
* Copyright 2024 David Snell
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
* for the specific language governing permissions and limitations under the License.
*
* Version Control:
* 0.1.1 - Correction to ProcessEvent function and removal of old driver-specific attributes when Preferences are saved
* 0.1.0 - Initial Version
* 
* Thank you(s):
* Thank you to @Cobra for inspiration of how I perform driver version checking
* Thank you to @mircolino for working out a parent/child method and pointing out other areas for significant improvement as well as coming up with the
*   HTML Template method to assist in formatting child/sensors for dashboard use
*/

// Returns the driver name
def DriverName(){
    return "NSChild-PM2"
}

// Returns the driver version
def DriverVersion(){
    return "0.1.1"
}

// Driver Metadata
metadata{
	definition( name: "NSChild-PM2", namespace: "Snell", author: "David Snell", importUrl: "https://www.drdsnell.com/projects/hubitat/drivers/NSChild-PM2.groovy" ) {
        capability "Sensor"
        capability "TemperatureMeasurement"
        
        // Commands being built in
        
        // Attributes for the driver itself
		attribute "DriverName", "string" // Identifies the driver being used for update purposes
		attribute "DriverVersion", "string" // Handles version for driver
        attribute "DriverStatus", "string" // Handles version notices for driver
        
        // Attributes being built into the device
		attribute "temperature", "number" // Temperature value received
        attribute "Salinity", "number" // Salinity value based on conductivity
        attribute "Switch Input 1", "string"
        attribute "Switch Input 2", "string"
        attribute "Switch Input 3", "string"
        attribute "Switch Input 4", "string"
        attribute "Switch Input 5", "string"
        attribute "Switch Input 6", "string"
        attribute "Switch Input 1 Name", "string"
        attribute "Switch Input 2 Name", "string"
        attribute "Switch Input 3 Name", "string"
        attribute "Switch Input 4 Name", "string"
        attribute "Switch Input 5 Name", "string"
        attribute "Switch Input 6 Name", "string"
        // What the child device is thought to be
        attribute "Type", "string"
        
        // Tile Template attribute
        attribute "Tile", "string"; // Ex: "[font size='2'][b]Temperature:[/b] ${ temperature }°${ location.getTemperatureScale() }[/br][/font]"

    }
	preferences{
		section{
            if( ShowAllPreferences ){
                input( name: "TileTemplate", type: "string", title: "<b>Tile Template</b>", description: "<font size='2'>Ex: [b]Temperature:[/b] \${ state.temperature }&deg;${ location.getTemperatureScale() }[/br]</font>", defaultValue: "");
    			input( type: "enum", name: "LogType", title: "<b>Enable Logging?</b>", required: false, multiple: false, options: [ "None", "Info", "Debug", "Trace" ], defaultValue: "Info" )
                input( type: "bool", name: "ShowAllPreferences", title: "<b>Show All Preferences?</b>", defaultValue: true )
            } else {
                input( type: "bool", name: "ShowAllPreferences", title: "<b>Show All Preferences?</b>", defaultValue: true )
            }
        }
	}
}

// updated
def updated(){
    if( LogType == null ){
        LogType = "Info"
    }
    unschedule()
    
    // Get times to use for scheduling
    def Hour = ( new Date().format( "h" ) as int )
    def Minute = ( new Date().format( "m" ) as int )
    def Second = ( new Date().format( "s" ) as int )
    // Set the driver name and version before update checking is scheduled
    if( state."Driver Name" != null ){
        state.remove( "Driver Name" )
        state.remove( "Driver Version" )
        device.deleteCurrentState( "Driver Name" )
        device.deleteCurrentState( "Driver Version" )
    }
    ProcessState( "DriverName", "${ DriverName() }" )
    ProcessState( "DriverVersion", "${ DriverVersion() }" )
    
    // Schedule the daily driver version check
    schedule( "${ Second } ${ Minute } ${ Hour } ? * *", "CheckForUpdate" )
    
    Logging( "Updated", 2 )
}

// installed is called when the device is installed, all it really does is run updated
def installed(){
	Logging( "Installed", 2 )
	updated()
}

// initialize is called when the device is initialized, all it really does is run updated
def initialize(){
	Logging( "Initialized", 2 )
	updated()
}

// Tile Template method based on @mircolino's HTML Template method
private void UpdateTile( String val ){
    if( settings.TileTemplate ){
        // Create special compound/html tile
        val = settings.TileTemplate.toString().replaceAll( "\\[", "<" )
        val = val.replaceAll( "\\]", ">" )
        val = val.replaceAll( ~/\$\{\s*([A-Za-z][A-Za-z0-9_]*)\s*\}/ ) { java.util.ArrayList m -> device.currentValue("${ m [ 1 ] }").toString() }
        if( device.currentValue( "Tile" ).toString() != val ){
            sendEvent( name: "Tile", value: val )
        }
    }
}

// Process data to check against current state value and then send an event if it has changed
def ProcessEvent( Variable, Value, Unit = null ){
    if( state."${ Variable }" != Value ){
        state."${ Variable }" = Value
        if( Unit != null ){
            Logging( "Event: ${ Variable } = ${ Value }${ Unit }", 4 )
            sendEvent( name: "${ Variable }", value: Value, unit: Unit, isStateChange: true )
        } else {
            Logging( "Event: ${ Variable } = ${ Value }", 4 )
            sendEvent( name: "${ Variable }", value: Value, isStateChange: true )
        }
        UpdateTile( "${ Value }" )
    }
}

// Process data to check against current state value and update if it has changed
def ProcessState( Variable, Value ){
    if( state."${ Variable }" != Value ){
        Logging( "State: ${ Variable } = ${ Value }", 4 )
        state."${ Variable }" = Value
        UpdateTile( "${ Value }" )
    }
}

// Handles whether logging is enabled and thus what to put there.
def Logging( LogMessage, LogLevel ){
	// Add all messages as info logging
    if( ( LogLevel == 2 ) && ( LogType != "None" ) ){
        log.info( "${ device.displayName } - ${ LogMessage }" )
    } else if( ( LogLevel == 3 ) && ( ( LogType == "Debug" ) || ( LogType == "Trace" ) ) ){
        log.debug( "${ device.displayName } - ${ LogMessage }" )
    } else if( ( LogLevel == 4 ) && ( LogType == "Trace" ) ){
        log.trace( "${ device.displayName } - ${ LogMessage }" )
    } else if( LogLevel == 5 ){
        log.error( "${ device.displayName } - ${ LogMessage }" )
    }
}

// Checks drdsnell.com for the latest version of the driver
// Original inspiration from @cobra's version checking
def CheckForUpdate(){
    ProcessEvent( "DriverName", DriverName() )
    ProcessEvent( "DriverVersion", DriverVersion() )
	httpGet( uri: "https://www.drdsnell.com/projects/hubitat/drivers/versions.json", contentType: "application/json" ){ resp ->
        switch( resp.status ){
            case 200:
                if( resp.data."${ DriverName() }" ){
                    CurrentVersion = DriverVersion().split( /\./ )
                    if( resp.data."${ DriverName() }".version == "REPLACED" ){
                       ProcessEvent( "DriverStatus", "Driver replaced, please use ${ resp.data."${ state.DriverName }".file }" )
                    } else if( resp.data."${ DriverName() }".version == "REMOVED" ){
                       ProcessEvent( "DriverStatus", "Driver removed and no longer supported." )
                    } else {
                        SiteVersion = resp.data."${ DriverName() }".version.split( /\./ )
                        if( CurrentVersion == SiteVersion ){
                            Logging( "Driver version up to date", 3 )
				            ProcessEvent( "DriverStatus", "Up to date" )
                        } else if( ( CurrentVersion[ 0 ] as int ) > ( SiteVersion [ 0 ] as int ) ){
                            Logging( "Major development ${ CurrentVersion[ 0 ] }.${ CurrentVersion[ 1 ] }.${ CurrentVersion[ 2 ] } version", 3 )
				            ProcessEvent( "DriverStatus", "Major development ${ CurrentVersion[ 0 ] }.${ CurrentVersion[ 1 ] }.${ CurrentVersion[ 2 ] } version" )
                        } else if( ( CurrentVersion[ 1 ] as int ) > ( SiteVersion [ 1 ] as int ) ){
                            Logging( "Minor development ${ CurrentVersion[ 0 ] }.${ CurrentVersion[ 1 ] }.${ CurrentVersion[ 2 ] } version", 3 )
				            ProcessEvent( "DriverStatus", "Minor development ${ CurrentVersion[ 0 ] }.${ CurrentVersion[ 1 ] }.${ CurrentVersion[ 2 ] } version" )
                        } else if( ( CurrentVersion[ 2 ] as int ) > ( SiteVersion [ 2 ] as int ) ){
                            Logging( "Patch development ${ CurrentVersion[ 0 ] }.${ CurrentVersion[ 1 ] }.${ CurrentVersion[ 2 ] } version", 3 )
				            ProcessEvent( "DriverStatus", "Patch development ${ CurrentVersion[ 0 ] }.${ CurrentVersion[ 1 ] }.${ CurrentVersion[ 2 ] } version" )
                        } else if( ( SiteVersion[ 0 ] as int ) > ( CurrentVersion[ 0 ] as int ) ){
                            Logging( "New major release ${ SiteVersion[ 0 ] }.${ SiteVersion[ 1 ] }.${ SiteVersion[ 2 ] } available", 2 )
				            ProcessEvent( "DriverStatus", "New major release ${ SiteVersion[ 0 ] }.${ SiteVersion[ 1 ] }.${ SiteVersion[ 2 ] } available" )
                        } else if( ( SiteVersion[ 1 ] as int ) > ( CurrentVersion[ 1 ] as int ) ){
                            Logging( "New minor release ${ SiteVersion[ 0 ] }.${ SiteVersion[ 1 ] }.${ SiteVersion[ 2 ] } available", 2 )
				            ProcessEvent( "DriverStatus", "New minor release ${ SiteVersion[ 0 ] }.${ SiteVersion[ 1 ] }.${ SiteVersion[ 2 ] } available" )
                        } else if( ( SiteVersion[ 2 ] as int ) > ( CurrentVersion[ 2 ] as int ) ){
                            Logging( "New patch ${ SiteVersion[ 0 ] }.${ SiteVersion[ 1 ] }.${ SiteVersion[ 2 ] } available", 2 )
				            ProcessEvent( "DriverStatus", "New patch ${ SiteVersion[ 0 ] }.${ SiteVersion[ 1 ] }.${ SiteVersion[ 2 ] } available" )
                        }
                    }
                } else {
                    Logging( "${ DriverName() } is not published on drdsnell.com", 2 )
                    ProcessEvent( "DriverStatus", "${ DriverName() } is not published on drdsnell.com" )
                }
                break
            default:
                Logging( "Unable to check drdsnell.com for ${ DriverName() } driver updates.", 2 )
                break
        }
    }
}