local theTrain, startX, startY, startZ, toPedTimer, derailedTimer, pedx, pedy, pedz, pedr, ped, pedBlip, stx, sty, stz = nil
local stationBlip, midX, midY midZ, speedCheckTimer, walkingPedTimer = nil

function theJob(peds, pedLocations, trainStLocations)
	theTrain = getPedOccupiedVehicle(source) -- making the train public, that's bad practice tho. But easier to handle.
	if(not startX) then
		startX, startY, startZ = getElementPosition(theTrain) -- gets the starting train position to calculate the total distance.
	end
	destroyAllTheTimers()
	derailedTimer = setTimer(checkIfDerailed, 3000, 0)
	if (peds and pedLocations and trainStLocations and getElementData(source, "inMission") == "to_start_mission") then --if the element data is that, it means you need to go to ped. So i create it here.
		local randomPed = pedLocations[math.random(#pedLocations)]
		local randomPedID = peds[math.random(#peds)]
		local randomID = randomPedID[1]
		pedx = randomPed[1]
		pedy = randomPed[2]
		pedz = randomPed[3]
		pedr = randomPed[4]
		ped = createPed(randomID, pedx, pedy, pedz, pedr)
		outputChatBox("" ..pedx.. "")
		pedBlip = createBlipAttachedTo(ped, 62)
		pedColshape = createColCircle(pedx, pedy, 1.3) -- once u hit this, you pickup the luggage.
		addEventHandler("onClientColShapeHit", pedColshape, toHelpPed) -- need to make this for pedColshape only if possible.
		outputChatBox("Mission started, go to the tourist and leave the train to help with the luggage")

		setElementData(source, "inMission", "to_go_to_ped") -- changes the data, this is that he needs to hit the peds colshape to pickup the luggage.
	elseif(peds and pedLocations and trainStLocations and getElementData(source, "inMission") == "to_go_to_station") then --if the element data is that, it means you need to go to station. So i create it.
		local randomStation = trainStLocations[math.random(#trainStLocations)]
		stx = randomStation[1]
		sty = randomStation[2]
		stz = randomStation[3]
		stationMarker = createMarker(stx, sty, stz)
		stationBlip = createBlipAttachedTo(stationMarker, 19)
		addEventHandler("onClientMarkerHit", stationMarker, notifyForSpeed) -- need to make this for stationMarker only if possible.
		if(not midX) then
			midX, midY, midZ = getElementPosition(theTrain) -- get the position of the station too so i can make the payment.
		end
		speedCheckTimer = setTimer(toStation, 200, 0) -- checking the speed in order to stop the train to complete the mission in the station.
	end
end

addEvent("hasStarted", true)
addEventHandler("hasStarted", localPlayer, theJob)

function toCheckLeave(thePlayer) -- checking if the player leaves the train so he won't abuse with faster veh
	if(thePlayer ~= localPlayer) then return end
	killTimer(derailedTimer)
	derailedTimer = nil
	if(thePlayer == localPlayer) then
		if(getElementData(localPlayer, "inMission") == "to_go_to_ped") then
			outputChatBox("You have 20 sconds to go to help the tourist, else you will fail the mission.")
			toPedTimer = setTimer(failMission, 20000, 1)
		end
	else
		return false
	end
end

addEventHandler("onClientVehicleExit", resourceRoot, toCheckLeave)

function failMission() -- when the player fails by any means.
	if (theTrain) then
		outputChatBox("Mission Failed")
		destroyPed()
		destroyStation()
		destroyAllTheTimers()
		triggerServerEvent("toDestroy", resourceRoot, theTrain, localPlayer)
		theTrain = nil
		startX, startY, startZ, midX, midY, midZ, stx, sty, stz = nil
		setElementData(localPlayer, "inMission", "to_start_mission")
	else
		return false
	end
end

function toHelpPed(theElement) -- the ped and it's colshape here
	if(theElement == localPlayer) then
		if(getElementData(localPlayer, "inMission") == "to_go_to_ped") then
			killTimer(toPedTimer)
			toPedTimer = nil
			setPedControlState(ped, "forwards", true)
			walkingPedTimer = setTimer(stopWalkingPed, 2000, 1)
			setPedAnimation(localPlayer, "misc", "pickup_box", 1300, false, true, false, false)
			outputChatBox("Nice job now re-enter the train and move the tourist to the train station.")
			setElementData(localPlayer, "inMission", "to_go_to_station") -- changing the dataso once it hits it needs to go to the station
		end
	else
		return false
	end
end

function toGetPaid(totalD) --payment here
	local money = 2*totalD
	math.floor(money)
	triggerServerEvent("payPlayer", resourceRoot, money)
	startX, startY, startZ = getElementPosition(getPedOccupiedVehicle(localPlayer))
	destroyStation()
	money = 0
	setElementData(localPlayer, "inMission", "to_start_mission")
	triggerServerEvent("onMissionDone", resourceRoot, localPlayer, 0) -- to restart the mission
end

function checkIfDerailed() -- to check if the train gets derailed
	local rx, ry, rz = getElementRotation(theTrain)
	local thePlayer = getVehicleController(theTrain)
	if(thePlayer == localPlayer) then
		if(ry ~= 0) then
			failMission()
			outputChatBox("You failed the mission for going over the accepted speed limit and getting your train derailed.")
		end
	end
end

function toStation()  -- the station marker function, how it works.
	local driver = getVehicleController(theTrain)
	if(driver == localPlayer and getElementModel(theTrain) == 449) then
		local tx, ty, tz = getElementPosition(theTrain)
		local dist = getDistanceBetweenPoints3D(stx, sty, stz, tx, ty, tz)
		if (dist < 10) then
			local speedx, speedy, speedz = getElementVelocity(theTrain)
			local actualspeed = (speedx^2 + speedy^2 + speedz^2)^(0.5)
        	local speed = actualspeed * 180
        	if (speed < 20) then
        		if(speedCheckTimer) then
        			killTimer(speedCheckTimer)
        			speedCheckTimer = nil
        		end
        		stopTrainTimer = setTimer(keepTrainStopped, 50, 100)
        		local first = getDistanceBetweenPoints3D(startX, startY, startZ, midX, midY, midZ)
        		local second = getDistanceBetweenPoints3D(midX, midY, midZ, stx, sty, stz)
        		local total = first + second
        		toGetPaid(total)
        		startX, startY, startZ, midX, midY, midZ, stx, sty, stz = nil
			end
		end
    else
    	failMission()
		setElementData(localPlayer, "inMission", "to_start_mission")
    end
end

function destroyPed()
	if(ped) then
		destroyElement(ped)
		destroyElement(pedBlip)
		destroyElement(pedColshape)
		pedx, pedy, pedz = nil
	end
end

function destroyStation()
	if(stationMarker) then
		destroyElement(stationMarker)
		destroyElement(stationBlip)
		stationMarker, stationBlip = nil
		randomStation, stx, sty, stz = nil
	end
end

function stopWalkingPed()
	destroyPed()
	killTimer(walkingPedTimer)
	walkingPedTimer = nil
end

function keepTrainStopped()
	setTrainSpeed(theTrain, 0)
end

function notifyForSpeed(hitPlayer)
	if(hitPlayer == localPlayer) then
		outputChatBox("Slow down your train")
	end
end

function notifyPlayerForJob()
	outputChatBox("I guess that's all I need to do for that since my job starts once the player enters the train, also for start shift. All we need is to give him info i guess.")
end

function checkPlayerForResigned()
	if(theTrain) then
		failMission()
	else
		return false
	end
end

function destroyAllTheTimers()
	killTimer(toPedTimer)
	killTimer(derailedTimer)
	killTimer(speedCheckTimer)
	killTimer(walkingPedTimer)
	toPedTimer, derailedTimer, speedCheckTimer, walkingPedTimer = nil
end

addEventHandler("onClientPlayerWasted", localPlayer, failMission)