module:set_global();

local moduleapi = require "core.moduleapi";

local smtp = require"socket.smtp";

local config = module:get_option("smtp", { origin = "prosody", exec = "sendmail" });

local function send_email(to, headers, content)

	if type(headers) == "string" then -- subject

		headers = {

			Subject = headers;

			From = config.origin;

		};

	end

	headers.To = to;

	if not headers["Content-Type"] then

		headers["Content-Type"] = 'text/plain; charset="utf-8"';

	end

	local message = smtp.message{

		headers = headers;

		body = content;

	};

	if config.exec then

		local pipe = io.popen(config.exec ..

			" '"..to:gsub("'", "'\\''").."'", "w");

		for str in message do

			pipe:write(str);

		end

		return pipe:close();

	end

	return smtp.send({

		user = config.user; password = config.password;

		server = config.server; port = config.port;

		domain = config.domain;

		from = config.origin; rcpt = to;

		source = message;

	});

end

assert(not moduleapi.send_email, "another email module is already loaded");

function moduleapi:send_email(email) --luacheck: ignore 212/self

	return send_email(email.to, email.headers or email.subject, email.body);

end