http = {}

function http.listen(port)
	return __http_listen(port)
end

function http.route(method, path, handler)
	return __http_route(method, path, handler)
end

function http.status(code)
	return __http_set_status(code)
end

function http.header(name, value)
	return __http_set_header(name, value)
end

function http.redirect(url, status)
	__http_redirect(url, status or 302)
	coroutine.yield() -- Exit handler
end

function http.json(data)
	http.header("Content-Type", "application/json")
	return json.encode(data)
end

function http.html(content)
	http.header("Content-Type", "text/html")
	return content
end

function http.text(content)
	http.header("Content-Type", "text/plain")
	return content
end

-- Session functions
session = {}

function session.get(key)
	return __session_get(key)
end

function session.set(key, value)
	return __session_set(key, value)
end

function session.flash(key, value)
	return __session_flash(key, value)
end

function session.get_flash(key)
	return __session_get_flash(key)
end

-- Cookie functions
cookie = {}

function cookie.set(name, value, options)
	return __cookie_set(name, value, options)
end

function cookie.get(name)
	return __cookie_get(name)
end

-- CSRF functions
csrf = {}

function csrf.generate()
	return __csrf_generate()
end

function csrf.validate()
	return __csrf_validate()
end

function csrf.field()
	local token = csrf.generate()
	return string.format('<input type="hidden" name="_csrf_token" value="%s" />', token)
end

-- Helper functions
function redirect_with_flash(url, type, message)
	session.flash(type, message)
	http.redirect(url)
end

-- JSON encoding/decoding placeholder
json = {
	encode = function(data)
		-- Simplified JSON encoding
		if type(data) == "table" then
			local result = "{"
			local first = true
			for k, v in pairs(data) do
				if not first then result = result .. "," end
				result = result .. '"' .. tostring(k) .. '":' .. json.encode(v)
				first = false
			end
			return result .. "}"
		elseif type(data) == "string" then
			return '"' .. data .. '"'
		else
			return tostring(data)
		end
	end,
	
	decode = function(str)
		-- Simplified JSON decoding - you'd want a proper implementation
		return {}
	end
}