local _M = loadPrevious(...)

do
	local weapon_classes = {
		onehanded = {waraxe = true, dagger = true, mace = true, mindstar = true, longsword = true, whip = true},
		twohanded = {battleaxe = true, greatmaul = true, greatsword = true, trident = true, staff = true},
		melee     = {waraxe = true, dagger = true, mace = true, mindstar = true, longsword = true, whip = true,
		             battleaxe = true, greatmaul = true, greatsword = true, trident = true, staff = true},
		ranged    = {bow = true, sling = true},
		warrior   = {waraxe = true, battleaxe = true, mace = true,
		             greatmaul = true, longsword = true, greatsword = true},
		exotic    = {trident = true, whip = true},
		axe       = {waraxe = true, battleaxe = true},
		blunt     = {mace = true, greatmaul = true},
		sword     = {longsword = true, greatsword = true},
		dagger    = {dagger = true},
		shield    = {shield = false},	-- a shield is a weapon sometimes, but not here
		any       = setmetatable({}, {__index = function (t, idx) return type(idx) == "string" and idx ~= "shield" end})
	}
	weapon_classes.missile    = weapon_classes.ranged	-- synonyms
	weapon_classes.projectile = weapon_classes.ranged
	weapon_classes.knife      = weapon_classes.dagger

	local retmeta = {
		__len = function (t)
			local i = 0
			for _ in pairs(t) do
				i = i + 1
			end
			return i
		end
	}

	function _M:hasWeapon(weapon_type)
		local hands = {self.INVEN_MAINHAND, self.INVEN_OFFHAND, self.INVEN_PSIONIC_FOCUS}
		local ret, match
		if weapon_type then
			ret = setmetatable({}, retmeta)
			match = weapon_classes[weapon_type] or {[weapon_type] = true}
		end

		for i = 1, #hands do
			local hand = hands[i]
			local inven = self:getInven(hand)
			if inven and inven[1] then
				if not weapon_type then
					return true
				elseif match[inven[1].subtype] then
					ret[hand] = {inven = inven, weapon = inven[1]}
				end
			end
		end

		return ret or false
	end
end

return _M