current_pods = {}
conf = {}
check_current_pods = false
endpoint =  ""
token = ""
namespace = ""
namespace_list = {}
namespace_cnt = 0
namespace_total = 0 
automatic = false
last_namespace_change = false
last_hit_time = os.clock()
alien_proximity_factor = 15 
hit_cpu_time_rate_limit = 0
pod_update_time = 0.5
kubernetes_pods = {}
last_pod_log = false
last_pod_log_time = false
start_chaos = false

local COLLISION_RESPONSE = hash("collision_response")
local timer = require "main.mymodules.timer"
local spaceship = require "main.mymodules.spaceship"
local help = require "main.mymodules.help"
local pod_mod = require "main.mymodules.pod"
local pod_api = require "main.mymodules.pod_api"
local press_play = require "main.mymodules.press_play"

function start_chaos()
	msg.post("ui#gui", "mode",{ mode = "Press \"a\" to use automatic pilot" })
	local path = os.getenv("HOME") .. "/.KubeInv.json"
	local contents = ""
	conf = {}
	local file = io.open( path, "r" )
	if file then
		local contents = file:read( "*a" )
		conf = json.decode(contents);
		io.close(file)
	else
		conf["token"] = os.getenv("TOKEN")
		conf["endpoint"] = os.getenv("ENDPOINT") 
		conf["namespace"] = os.getenv("NAMESPACE")

		if os.getenv("ALIENPROXIMITY") ~= nil then 
			alien_proximity_factor = tonumber(os.getenv("ALIENPROXIMITY"))
		end

		if os.getenv("HITSLIMIT") ~= nil then
			hit_cpu_time_rate_limit = tonumber(os.getenv("HITSLIMIT"))
		end

		if os.getenv("UPDATETIME") ~= nil then
			pod_update_time = tonumber(os.getenv("UPDATETIME"))
		end

	end 

	if conf["token"] == nil or conf["endpoint"] == nil or conf["namespace"] == nil then
		msg.post("ui#gui", "howto",{ howto_message = "Please create .KubeInv.json in " ..  os.getenv("HOME") .. "\nThe file .KubeInv.json should be like this \n{\"endpoint\": \"http://ocmaster39\",\"token\": \"xxxx\",\"namespace\": \"foobar\"}"})
	else
		print( "token: ", conf["token"] )
		print( "endpoint: ", conf["endpoint"] )
		print( "namespace: ", conf["namespace"] )

		endpoint = conf["endpoint"]
		token = conf["token"] 
		namespace_cnt = 0
		for i in string.gmatch(conf["namespace"], "[^,]+") do
			namespace_list[namespace_cnt] = i
			namespace_cnt = namespace_cnt + 1
		end
		namespace_total = table.getn(namespace_list)
		namespace_cnt = 0
		namespace = namespace_list[0]

		info = "Endpoint: " .. conf["endpoint"] .. "\n\n" .. "Namespace: " .. namespace
		msg.post("ui#gui", "info",{ infomessage =  info })

		msg.post(".", "acquire_input_focus")	

		headers = {
			["Accept"] = "application/json",
			["Content-Type"] = "application/json",
			["Authorization"] = "Bearer " .. token
		}
		timer.repeat_seconds(pod_update_time, function()
			pod_api.update_pod()
			pod_mod.swap_pod(kubernetes_pods)		
		end)
		timer.repeat_seconds(1, function()
			msg.post("ui#gui","pod_name",{ pod_name = false, position = go.get_position()})
		end)	
		timer.repeat_seconds(1, function()
			spaceship.auto()
		end)
		pod_api.set_pods()
	end
	started_chaos = true
	go.delete('/start_chaos')
	go.delete('/start_k3s')
end

function reverse(tbl)
	for i=1, math.floor(#tbl / 2) do
		local tmp = tbl[i]
		tbl[i] = tbl[#tbl - i + 1]
		tbl[#tbl - i + 1] = tmp
	end
end

function init(self)
	msg.post(".", "acquire_input_focus")
end

function update(self, dt)
	timer.update(dt)
end

function on_input(self, action_id, action)
	p = go.get_position()
	if action_id == hash("up") then
		msg.post("ui#gui","pod_log",{infomessage = ''})
		last_pod_log = false
		if p.y < 1000 then
			p.y = p.y + 4
			go.set_position(p)
		end
	elseif action_id == hash("down") then
		msg.post("ui#gui","pod_log",{infomessage = ''})
		last_pod_log = false
		if p.y > 1 then
			p.y = p.y - 4
			go.set_position(p)
		end
	elseif action_id == hash("left") then
		msg.post("ui#gui","pod_log",{infomessage = ''})
		last_pod_log = false
		if p.x > 1 then
			p.x = p.x - 4
			go.set_position(p)
		end
	elseif action_id == hash("right") then
		msg.post("ui#gui","pod_log",{infomessage = ''})
		last_pod_log = false
		if p.x < 1800 then
			p.x = p.x + 4
			go.set_position(p)
		end
	elseif action_id == hash("infopod") then
		pod_mod.print_pod_name()
	elseif action_id == hash("refresh_pod_log") then
		last_pod_log = false		
	elseif action_id == hash("help") then
		print "help!"
		help.get_help()
	elseif action_id == hash("quit_help") then
		help.quit_help()
	elseif action_id == hash("automatic") then
		automatic = true
		msg.post("ui#gui", "mode",{ mode = "Press \"m\" to switch to manual mode"})
	elseif action_id == hash("manual") then
		print ("[change_mode] manual")
		automatic = false
		msg.post("ui#gui", "mode",{ mode = "Press \"a\" to use automatic pilot"})
	elseif action_id == hash("namespace") then
		print ("[change_namespace] change namespaces requested by user")
		msg.post("ui#gui", "error",{ errormessage = "changing namespace!" })

		-- Returns an approximation of the amount in seconds of CPU time used by the program.
		current_time = os.clock()

		if last_namespace_change ~= false then
			diff_time = current_time - last_namespace_change
			print ("[change_namespace] diff_time ".. diff_time)
		else 
			diff_time = 99
		end

		if diff_time > 0.1 then
			for i,value in ipairs(current_pods) do
				go.delete(value["id"])
			end
			current_pods = {}
			if namespace_cnt > (namespace_total - 1) then
				print ("[change_namespace] return to first namespace")
				namespace = namespace_list[0]
				namespace_cnt = 0
			else
				namespace_cnt = namespace_cnt + 1	
				print ("[change_namespace] go to namespace " .. namespace_cnt)
				namespace = namespace_list[namespace_cnt]	
			end
		end

		last_namespace_change = os.clock()
		info = "Endpoint: " .. conf["endpoint"] .. "\n\n" .. "Namespace: " .. namespace
		msg.post("ui#gui", "info",{ infomessage =  info })

	elseif action_id == hash("space") and action.pressed then
		msg.post("ui#gui", "error",{ errormessage = "" })
		-- Returns an approximation of the amount in seconds of CPU time used by the program.
		current_hit_time = os.clock()
		if automatic == false then
			shot = true
			if ((current_hit_time - last_hit_time) < hit_cpu_time_rate_limit) then
				shot = false
			end
			if shot == true then
				local pos = go.get_position()
				local to = pos.y + 2 * 64
				local bullet = factory.create("/bullet#bulletfactory", pos)
				go.animate(bullet, "position.y", go.PLAYBACK_ONCE_FORWARD, 1200, go.EASING_INQUAD, 1,0,function()
					go.delete(bullet)
				end)
				last_hit_time = os.clock()
			end
		end
	end
end

function on_message(self, message_id, message, sender)
	current_time = os.clock()
	print('DEBUG' .. message_id)
	if message_id == COLLISION_RESPONSE and started_chaos then
		for i,value in ipairs(current_pods) do
			if (message["other_id"] == value["id"]) then
				pod_name = value["pod_name"]
			end
		end

		if last_pod_log_time ~= false then
			diff_time = current_time - last_pod_log_time
		else 
			diff_time = 99
		end

		if last_pod_log ~= pod_name and  diff_time > 0.2 then
			last_pod_log = pod_mod.print_pod_log(message["other_id"])
			print("last_pod_log " .. last_pod_log)
			print("pod_name " .. pod_name)
			last_pod_log_time = os.clock()
		end
	elseif message_id == hash('start_chaos') then
		start_chaos()
	end
end