local parsers = require("parsers")
local tags = require("tags")
local util = require("util")
local pages = require("pages")
local config = require("config")

local function preview_post(req)
	local host = http_request_get_host(req)
	local path = http_request_get_path(req)
	http_request_populate_post(req)
	local title = assert(http_argument_get_string(req,"title"))
	local text = assert(http_argument_get_string(req,"text"))
	local markup = assert(http_argument_get_string(req,"markup"))
	local tag_str = http_argument_get_string(req,"tags")
	local tags = {}
	if tag_str then
		tags = util.parse_tags(tag_str)
	end
	local parsed = parsers[markup](text)
	local ret = pages.read{
		domain = config.domain,
		title = title,
		author = "preview",
		idp = "preview",
		text = parsed,
		tags = tags,
	}
	http_response(req,200,ret)
end

return preview_post