local Luan = require "luan:Luan.luan"
local error = Luan.error
local set_metatable = Luan.set_metatable or error()
local try = Luan.try or error()
local Package = require "luan:Package.luan"
local Io = require "luan:Io.luan"
local String = require "luan:String.luan"
local matches = String.matches or error()
local Http = require "luan:http/Http.luan"


local Http_test = {}

Http_test.welcome_file = "index.html"
Http_test.cookies = {}

function Http_test.get_page(path)
	Http.request.path = path
	if Http_test.welcome_file ~= nil and matches(path,"/$") then
		path = path .. Http_test.welcome_file
	end
	local old_out = Io.stdout
	try {
		function()
			local mod = Package.load("site:"..path..".luan") or error(path.." not found")
			mod()
			Http_test.text_writer.close()
		end
		finally = function()
			Io.stdout = old_out
		end
	}
	return Http_test.result.read_text()
end

function Http_test.run_page(page_fn)
	local old_out = Io.stdout
	try {
		function()
			page_fn()
			Http_test.text_writer.close()
		end
		finally = function()
			Io.stdout = old_out
		end
	}
	return Http_test.result.read_text()
end

function Http_test.init()
	function Http.reset_luan() end
	Http.request = Http.new_request()
	Http.request.cookies = Http_test.cookies

	Http.response = {

		headers = {}

		status = Http.STATUS.OK

		text_writer = function()
			Http_test.result = Io.uri "string:"
			Http_test.text_writer = Http_test.result.text_writer()
			return Http_test.text_writer
		end

		set_cookie = function(name,value)
			Http_test.cookies[name] = value
		end

		set_persistent_cookie = function(name,value)
			Http_test.cookies[name] = value
		end

		remove_cookie = function(name)
			Http_test.cookies[name] = nil
		end

		send_redirect = function(url)
			Http.response.redirect = url
		end

		send_error = function(code)
			error("sent error "..code)
		end

	}

end

return Http_test