local api = {}

api.SHORT_CYCLE		= 0	-- for particles and fast animations
api.DEFAULT_CYCLE	= 0	-- for most effect types
api.LONG_CYCLE		= 0	-- for write operations and skybox changes

climate_mod.weathers = {}
climate_mod.effects = {}
climate_mod.cycles = {}

function api.register_weather(name, conditions, effects)
	-- TODO: check and sanitize
	climate_mod.weathers[name] = {
		conditions = conditions,
		effects = effects,
		active_players = {}
	}
end

function api.register_effect(name, handler, htype)
	-- check for valid handler types
	if htype ~= "start" and htype ~= "tick" and htype ~= "stop" then
		minetest.log("warn", "[Climate API] Invalid effect handler type: " .. htype)
		return
	end
	-- create effect handler registry if not existent yet
	if type(climate_mod.effects[name]) == "nil" then
		climate_mod.effects[name] = { start = {}, tick = {}, stop = {} }
		climate_mod.cycles[name] = { timespan = DEFAULT_CYCLE, timer = 0 }
	end
	-- store effect handler
	table.insert(climate_mod.effects[name][htype], handler)
end

function api.set_effect_cycle(name, cycle)
	climate_mod.cycles[name].timespan = cycle
end

return api