--!strict
--!optimize 2
--!native

local Types = require("../Types")

return function(keysolver: Types.DataTypeInterface, valuesolver: Types.DataTypeInterface)
	return {
		write = function(self: Types.Writer, map: { [unknown]: unknown })
			local count = 0
			for _ in map do
				count+=1
			end
			
			buffer.writeu16(self._data, self._cursor, count)
			self._cursor += 2
			
			for key, value in map do
				keysolver.write(self, key)
				valuesolver.write(self, value)
			end
		end,
		read = function(self: Types.Writer)
			local count = buffer.readu16(self._data, self._cursor)
			self._cursor += 2
			
			local map = {}
			
			for _ = 1, count do
				map[keysolver.read(self)] = valuesolver.read(self)
			end

			return map
		end,
		length = function(map)
			local size = 2
			for key, value in map do
				size += keysolver.length(key) + valuesolver.length(value)
			end
			
			return size
		end,
	}
end