import type { RequestHandler } from "./$types"

import { error, json, text } from "@sveltejs/kit"

import UserMgmt from "$lib/server/usermgmt"

import { LoginResponseCause } from "$lib/errors"

export const POST: RequestHandler = async ({ request, cookies }) => {
	
	const data = await request.formData()

	const email = data.get("email")
	const password = data.get("password")

	if (data.keys.length > 2 || !(typeof email === "string" && typeof password === "string")) {
		return error(400, { cause: LoginResponseCause.MalformedRequest, message: "Invalid request" })
	}

	if (email.length == 0) {
		return error(400, { cause: LoginResponseCause.EmailLength, message: "Email must be provided" })
	}
	if (password.length == 0) {
		return error(400, { cause: LoginResponseCause.PasswordLength, message: "Password must be provided" })
	}

	const session = await UserMgmt.login(email, password)
	if (!session) {
		return error(401, { message: "Invalid username or password" })
	}

	return json({ token: session.token, expires: session.expires })
}