B4J=true
Group=Default Group
ModulesStructureVersion=1
Type=Class
Version=10
@EndOfDesignText@
'Class module
Sub Class_Globals
	Private mreq As ServletRequest 'ignore
	Private mresp As ServletResponse 'ignore
'	Dim cmd As DBCommand
	Dim theQuery As String
	Dim m, m2 As Map
	Dim getHash As CalculateHash
	Dim js As JSONGenerator
End Sub

Public Sub Initialize
	
End Sub

'Resumable Subs (wait for / sleep) in server handlers
'Resumable subs can only work when there is a message queue.
'By default, server handlers end when the Handle sub is completed. They do not create a message loop.
'If you want to wait for an event then you need to call StartMessageLoop and later StopMessageLoop.
'https://www.b4x.com/android/forum/threads/resumable-subs-wait-for-sleep-in-server-handlers.81833/
Sub Handle(req As ServletRequest, resp As ServletResponse)
	Log("##############################################################")
	Log("#############     Ruteador/Handle     ########################")
	Log("##############################################################")
'	Log("q='"&req.GetParameter("q")&"'")
	Log($"REQ: ${req.FullRequestURI}"$)
	Private elHash As String = getHash.CalculateTheHash(req.FullRequestURI)
'	Log(elHash)
	Private ruta As String = req.GetParameter("r")
	Private almacen As String = req.GetParameter("a")
	Private coords As String = req.GetParameter("c")
	Private matriz As String = req.GetParameter("m")
	Main.inicio = req.GetParameter("i")
	Main.final = req.GetParameter("f")
	If matriz <> "" And matriz <> "OSRM" Then matriz = ""
	Log($"r: ${ruta}, a: ${almacen}, Coords: ${coords}"$)
	Private urlParams As Map
	If ruta <> "" And almacen <> "" And coords <> "" Then
		If Main.final <> "" Then coords = coords & ";" & Main.final
		ruta = "R" & ruta
		urlParams.Initialize
		urlParams.Put("almacen", almacen)
		urlParams.Put("coords", coords)
		urlParams.Put("hash", elHash)
		urlParams.Put("ruta", ruta)
		Main.db.InitializeSQLite(File.DirApp, "kmt.db", True)
		Log($"${ruta}A${almacen}_${elHash}_punteo"$)
'		Log(checkIfTableExists($"${ruta}A${almacen}_${elHash}_punteo"$))

'		Si no existe la tabla del ruteo, la creamos.
		If Not(checkIfTableExists($"${ruta}A${almacen}_${elHash}_punteo"$)) Then
'			Log($"Creamos tablas ruta ${ruta}, almacen ${almacen}"$)
			Main.creaTablas(urlParams)
			generaMatrizRuteoTiempos($"${ruta}A${almacen}_${elHash}"$, resp, ruta, almacen, matriz)
			StartMessageLoop
		Else 'Si ya existe, solo calculamos los tiempos y distancias.
'			Log("Ya existe la tabla")
			tiempos($"${ruta}A${almacen}_${elHash}"$, resp, ruta, almacen, matriz)
			StartMessageLoop
'			Main.verRuta(ruta)
		End If
	Else
		resp.ContentType = "text/html"
		resp.Write("Hay un error en la solicitud, son necesarios los siguientes parametros:<br>* r - La ruta<br>* a - El almacen<br>* c - Lista de puntos (id_cliente,lon,lat) separadas por punto y coma, el primer punto de la lista, se considera el punto de INICIO de la ruta.<br>* m - La matriz a usar LOCAL u OSRM (Opcional, default local<br>* f - El destino final (id_cliente,lon,lat) de donde termina la ruta (Opcional)") 'this file will be loaded from the www folder
	End If
End Sub

Sub generaMatrizRuteoTiempos(r As String, resp As ServletResponse, ruta As String, almacen As String, matriz As String) As ResumableSub
	Log("############################################################################")
	Log("#############     Ruteador/generaMatrizRuteoTiempos     ####################")
	Log("############################################################################")
	'Generamos la matriz
	If matriz = "OSRM" Then
		Wait for(Main.generaMatrizOSRM(r)) Complete (Result As Int)
	Else
		Main.generaMatrizLocal(r)
	End If
	'Generamos el ruteo
	Main.ruteo($"${r}"$, matriz)
	Wait for(Main.tiempos($"${r}"$)) Complete (Result As Int)
	Private ts As Map = Main.ts.Get($"${r}"$)
	Log(ts)
	Private tempMap As Map
	tempMap.Initialize
	If checkIfTableExists(r&"_punteo") Then
		Private p As ResultSet = Main.db.ExecQuery($"select * from ${r}_punteo"$)
		Private listCoords As List
		listCoords.Initialize
		'Ponemos el id de la tienda y las coordenadas en una lista para regresarla en un JSON.
		Do While p.NextRow
			listCoords.Add(CreateMap("pos":p.GetString("pos"), "id":p.GetString("id"), "lat":p.GetString("lat"), "lon":p.GetString("lon")))
		Loop
		Main.db.Close
		tempMap.Put("api", matriz)
		If matriz = "" Then tempMap.Put("api", "Local")
		'Ponemos la ruta, almacen, tiempos, distancias y la lista de las coordenadas en un mapa para regresarla en un JSON.
		tempMap.Put("code", "OK")
		tempMap.Put("ruta", ruta)
		tempMap.Put("almacen", almacen)
		tempMap.Put("duration", ts.Get("duration"))
		tempMap.Put("distance", ts.Get("distance"))
		tempMap.Put("puntos", ts.Get("puntos"))
		tempMap.Put("coords", listCoords)
		tempMap.Put("mensaje", Main.msg)
		If tempMap.get("puntos") = 0 Then tempMap.Put("code", "KO")
'		Log(tempMap)
		js.Initialize(tempMap)
		StopMessageLoop
		Main.error = ""
		Main.msg = ""
		'Regresamos en un JSON la info del ruteo.
		resp.ContentType = "text/html"
		resp.Write(js.ToString)
	Else
		tempMap.Put("api", "")
		tempMap.Put("code", "KO")
		tempMap.Put("error", Main.error)
		tempMap.Put("ruta", ruta)
		tempMap.Put("almacen", almacen)
		tempMap.Put("duration", 0)
		tempMap.Put("distance", 0)
		tempMap.Put("puntos", 0)
		tempMap.Put("coords", "")
		tempMap.Put("mensaje", Main.msg)
'		Log(tempMap)
		js.Initialize(tempMap)
		StopMessageLoop
		Main.error = ""
		Main.msg = ""
		resp.ContentType = "text/html"
		resp.Write(js.ToString)
	End If
	Return 1
End Sub

Sub tiempos(r As String, resp As ServletResponse, ruta As String, almacen As String, matriz As String) As ResumableSub
	Log("############################################################")
	Log("#############     Ruteador/tiempos     ####################")
	Log("############################################################")
	Wait for(Main.tiempos($"${r}"$)) Complete (Result As Int)
	Private ts As Map = Main.ts.Get($"${r}"$)
	Log(ts)
	Private tempMap As Map
	tempMap.Initialize
	Private p As ResultSet = Main.db.ExecQuery($"select * from ${r}_punteo"$)
	Private listCoords As List
	listCoords.Initialize
	Private coords2 As String = ""
	Do While p.NextRow
		listCoords.Add(CreateMap("pos":p.GetString("pos"), "id":p.GetString("id"), "lat":p.GetString("lat"), "lon":p.GetString("lon")))
		If coords2 = "" Then
			coords2 = $"${p.GetString("lon")},${p.GetString("lat")}"$
		Else
			coords2 = $"${coords2}:${p.GetString("lon")},${p.GetString("lat")}"$
		End If
	Loop
	Main.db.Close
	tempMap.Put("api", matriz)
	If matriz = "" Then tempMap.Put("api", "Local")
	tempMap.Put("code", "OK")
	tempMap.Put("ruta", ruta)
	tempMap.Put("almacen", almacen)
	tempMap.Put("duration", ts.Get("duration"))
	tempMap.Put("distance", ts.Get("distance"))
	tempMap.Put("puntos", ts.Get("puntos"))
	tempMap.Put("coords", listCoords)
	tempMap.Put("mensaje", Main.msg)
	If tempMap.get("puntos") = 0 Then tempMap.Put("code", "KO")
'	Log(tempMap)
	js.Initialize(tempMap)
	StopMessageLoop
	Main.error = ""
	Main.msg = ""
	resp.ContentType = "text/html"
	resp.Write(js.ToString)
	Log("###################################################################" & CRLF)
	Log($"http://keymon.lat:9001/kmz.php?a=1&c=${coords2}"$)
	Log("###################################################################" & CRLF)
	Log("Liga para ver la ruta en mapa:" & CRLF)
	Log($"https://osm.quelltextlich.at/viewer-js.html?kml_url=http://keymon.lat:9001/kmz.php?c=${coords2}"$)
	Return 1
End Sub

'Convierte una lista en un arreglo (array as object).
Public Sub ListToArray(inList As List) As Object()
	Dim OutArray(inList.Size) As Object
	For i = 0 To inList.Size - 1
		OutArray(i) = inList.Get(i)
	Next
	Return OutArray
End Sub

Sub checkIfTableExists(table As String) As Boolean
'	B4XPages.MainPage.db.InitializeSQLite(File.DirApp, "kmt.db", True)
	Private r As ResultSet = Main.db.ExecQuery($"Select name FROM sqlite_master WHERE Type='table' AND name='${table}'"$)
	If r.NextRow Then
'		B4XPages.MainPage.db.close
'		Log($"NAME: ${r.GetString("name")}"$)
		Return True
	Else
'		B4XPages.MainPage.db.close
		Return False
	End If
End Sub