--[[   Script to take off/put on your helmet by holding hotkey.   ]]--

 local holdDelay = 0.5		--Delay in seconds while holding key before action for non MCM version

local lastHelmet
local lastHelmetId = nil

local KEY = headgear_animations_mcm.get_config("keybind") --change this if you don't use MCM or havn't updated to the curent version
local modifier = headgear_animations_mcm.get_config("modifier")
local mode = headgear_animations_mcm.get_config("mode")
local mcm_keybinds = ui_mcm and ui_mcm.key_hold --there will be a better way to test for MCM versions soon, but this will always be a solid way to check for keybind support

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-- Callbacks
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function on_game_start()
	RegisterScriptCallback("on_option_change", on_option_change)

	RegisterScriptCallback("on_key_hold", on_key_hold)
	RegisterScriptCallback("on_key_press", on_key_press)
	RegisterScriptCallback("on_key_release", on_key_release)

	RegisterScriptCallback("load_state", on_load_state)
	RegisterScriptCallback("save_state", on_save_state)
	RegisterScriptCallback("actor_on_first_update", actor_on_first_update)
end


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-- 
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function on_option_change()                --new in mcm 1.6.0 mcm passes true to the on_option_change callback
	KEY = headgear_animations_mcm.get_config("keybind") -- if it can't find the option it will return nil this form insures that with old versions of mcm the key doesn't get reset
	modifier = headgear_animations_mcm.get_config("modifier")
	mode = headgear_animations_mcm.get_config("mode")
end


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-- MCM Keybinding setup
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function on_key_hold(key)
	if mcm_keybinds and (key == KEY) and (mode == 2) and ui_mcm.get_mod_key(modifier) and ui_mcm.key_hold("liz_qht",key) then --repeating after 5 seconds for demo pourposes.
		toggle_helmet()
	end	
end


function on_key_press(key)
	if key ~= KEY then return end

	if (not mcm_keybinds) then --No MCM case
		CreateTimeEvent("quick_actions", "toggleHelmet", holdDelay, toggle_helmet)
		return
	end

	if (mode == 0) and ui_mcm.get_mod_key(modifier) then
		ui_mcm.simple_press("liz_qht", key, toggle_helmet)
	end

	if (mode == 1) and ui_mcm.get_mod_key(modifier) and ui_mcm.double_tap("liz_qht",key) then 
		toggle_helmet()
		return
	end
end


function on_key_release(key)
	if mcm_keybinds then return end

	if key == KEY then		--if the released key matches, remove our event to stop it from firing if released earlier than holdDelay
		RemoveTimeEvent("quick_actions","toggleHelmet")		
	end
end

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-- Persistance
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function on_save_state(m_data)
	if lastHelmet then
		m_data.lastHelmetId = lastHelmet:id()
	end
end


function on_load_state(m_data)
	lastHelmetId = m_data.lastHelmetId
end


function actor_on_first_update()
	local function itr(actor, item)
		if item:id() == lastHelmetId then
			lastHelmet = item
			return
		end
	end
	if lastHelmetId ~= nil then
		db.actor:iterate_ruck(itr, nil)
	end
end


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-- Main
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function toggle_helmet()
	if (not db.actor) and (not db.actor:alive()) then return end
	if enhanced_animations.used_item ~= nil then return end

	local currentHelmet = db.actor:item_in_slot(12)		--set currentHelmet to whatever player has equipped in helmet slot
	if currentHelmet then								--if it's a helmet, move it to inventory and save it for re-equipping later
		headgear_animations.on_toggle_unequip(currentHelmet)
		lastHelmet = currentHelmet
	elseif lastHelmet then								--if not, and lastHelmet is set, check player inventory for previously worn helmet
		if not is_have_helmet() then						--if helmet slot is empty and not blocked by armor
			db.actor:iterate_ruck(function (actor, item)
				if item:id() == lastHelmet:id() then
					headgear_animations.on_toggle_equip(item)
				end
			end, nil)
		end
	end

end


function is_have_helmet()
    --check if we have helmet in helmet slot
    local o_helm = db.actor:item_in_slot(12)
    if o_helm then 
        local m_headgear_is_in_whitelist = ini_whitelist:section_exist(o_helm:section())
        if not m_headgear_is_in_whitelist then
            return true
        else
            return false
        end
    end

    --if not check if we have outfit that have integrated helmet
    local o_outfit = db.actor:item_in_slot(7)
    if o_outfit then
        local c_outfit = o_outfit:cast_CustomOutfit()
        if not c_outfit.bIsHelmetAvaliable then return true end
    end

    return false
end