-- Compiled with roblox-ts v2.1.1
-- Types
--[[
	*
	* @param {*} target
	* @param {PropertyKey} propertyKey
	* @returns {string}
]]
local getKeyId = function(target, propertyKey)
	return if propertyKey == nil then tostring(target) else tostring(target) .. ("." .. tostring(propertyKey))
end
--[[
	*
	* Gets all the keys in the map as an Array.
	*
	* @param {ReadonlyMap<K, V>} map - The map to get the keys from
	* @returns {Array<K>}
]]
local getMapKeys = function(map)
	-- ▼ ReadonlyMap.size ▼
	local _size = 0
	for _ in map do
		_size += 1
	end
	-- ▲ ReadonlyMap.size ▲
	local result = table.create(_size)
	local _map = map
	local _arg0 = function(_, key)
		local _key = key
		table.insert(result, _key)
	end
	for _k, _v in _map do
		_arg0(_v, _k, _map)
	end
	return result
end
--[[
	*
	* Represents a Reflector class that provides
	* reflection capabiltiies.
	*
	* @class Reflector
	* @classdesc The Reflector class allows introspetion and dynamic manipulation of objects and classes.
]]
local Reflector
do
	Reflector = setmetatable({}, {
		__tostring = function()
			return "Reflector"
		end,
	})
	Reflector.__index = Reflector
	function Reflector.new(...)
		local self = setmetatable({}, Reflector)
		return self:constructor(...) or self
	end
	function Reflector:constructor()
	end
	function Reflector:defineMetadata(targetOrMetadataKey, metadataKeyOrValue, metadataValue, propertyKey)
		-- Decide which way to define metadata based on overloads.
		local _condition = metadataValue == nil and propertyKey == nil
		if _condition then
			local _targetOrMetadataKey = targetOrMetadataKey
			_condition = type(_targetOrMetadataKey) == "string"
		end
		if _condition then
			-- It's declared the declarative way
			local metadataKey = targetOrMetadataKey
			local metadataValue = metadataKeyOrValue
			-- Create a @decorator
			return function(target, propertyKey, _descriptor)
				local metadataStore = Reflector:createOrGetMetadataStore(target)
				local keyId = getKeyId(target, propertyKey)
				local hasMetadata = Reflector:hasMetadata(target, metadataKey, propertyKey)
				if not hasMetadata then
					metadataStore[keyId] = {}
				end
				metadataStore[keyId][metadataKey] = metadataValue
			end
		end
		-- Declared in the imperative ways
		local target = targetOrMetadataKey
		local metadataKey = metadataKeyOrValue
		local metadataStore = Reflector:createOrGetMetadataStore(target)
		local keyId = getKeyId(target, propertyKey)
		local hasMetadata = Reflector:hasMetadata(target, metadataKey, propertyKey)
		if not hasMetadata then
			metadataStore[keyId] = {}
		end
		local _exp = metadataStore[keyId]
		local _metadataValue = metadataValue
		_exp[metadataKey] = _metadataValue
	end
	function Reflector:getMetadataKeys(target, propertyKey)
		local metadataStore = Reflector:getMetadataStore(target)
		if metadataStore == nil then
			return nil
		end
		local keyId = getKeyId(target, propertyKey)
		local metadata = metadataStore[keyId]
		if not metadata then
			return nil
		end
		return getMapKeys(metadata)
	end
	function Reflector:hasMetadata(target, metadataKey, propertyKey)
		local metadataStore = Reflector:getMetadataStore(target)
		if metadataStore == nil then
			return false
		end
		local keyId = getKeyId(target, propertyKey)
		if not (metadataStore[keyId] ~= nil) then
			return false
		end
		local _exp = metadataStore[keyId]
		local _metadataKey = metadataKey
		if _exp[_metadataKey] == nil then
			return false
		end
		return true
	end
	function Reflector:getMetadata(target, metadataKey, propertyKey)
		local metadataStore = Reflector:getMetadataStore(target)
		if metadataStore == nil then
			return nil
		end
		local keyId = getKeyId(target, propertyKey)
		if metadataStore[keyId] ~= nil then
			local _exp = metadataStore[keyId]
			local _metadataKey = metadataKey
			return _exp[_metadataKey]
		end
		return nil
	end
	function Reflector:getMetadataStore(target)
		if target == nil then
			return nil
		end
		if target and target.__metadataStore == nil then
			return nil
		end
		return target.__metadataStore
	end
	function Reflector:createOrGetMetadataStore(target)
		if target and target.__metadataStore == nil then
			target.__metadataStore = {}
		end
		return target.__metadataStore
	end
end
return {
	default = Reflector,
}