local config = require("config")
local session = require("session")
local pages = require("pages")
local cache = require("cache")

local function paste_get(req)
	--Get the paste page
	local host = http_request_get_host(req)
	local text
	local author,_ = session.get(req)
	if host == config.domain and author then
		http_response_header(req,"Location",string.format("https://%s.%s/_paste",author,config.domain))
		http_response(req,303,"")
		return
	elseif host == config.domain and author == nil then
		print("doing anon paste")
		text = cache.render(string.format("%s/_paste",host),function()
			log(LOG_DEBUG, "Cache missing, rendering post page")
			return assert(pages.paste{
				domain = config.domain,
				err = "",
			})
		end)
		http_response(req,200,text)
	elseif host ~= config.domain and author then
		print("doing author paste")
		text = assert(pages.author_paste{
			domain = config.domain,
			user = author,
			err = "",
			text="",
		})
	elseif host ~= config.domain and author == nil then
		http_response_header(req,"Location",string.format("https://%s/_paste",config.domain))
		http_response(req,303,"")
		return
	else
		error(string.format(
			"Unable to find a good case for paste:%s,%s,%s",
			host,
			config.domain,
			author
		))
	end
	assert(text)
	http_response(req,200,text)
end

return paste_get