import { z } from 'astro:schema';
import { db } from '@db/database.ts';
import { externalApi } from '../_api.ts';

export const POST = externalApi({
  auth: true,
  input: z.object({
    firstname: z.string().trim(),
    lastname: z.string().trim(),
    birthday: z.string().date(),
    phone: z.string().trim().nullable(),
    username: z.string().trim(),
    uuid: z.string(),
    edition: z.enum(['java', 'bedrock']),
    code: z.string().nullish()
  }),
  handler: async ({ input }) => {
    if (input.code) {
      const directSignup = await db.getDirectSignupByCode({ code: input.code });

      // check if direct signup code exists
      if (!directSignup) return new Response(null, { status: 404 });
      // check if direct signup code was already used
      else if (directSignup.user) return new Response(null, { status: 409 });
    }

    const existing = await db.existsUser({
      username: input.username,
      uuid: input.uuid
    });
    // check if user is already registered
    if (existing) return new Response(null, { status: 409 });

    await db.transaction(async (tx) => {
      const user = await tx.addUser({
        firstname: input.firstname,
        lastname: input.lastname,
        birthday: input.birthday,
        telephone: input.phone,
        username: input.username,
        edition: input.edition,
        uuid: input.uuid
      });

      if (input.code) {
        await tx.setDirectSignupUser({ code: input.code, userId: user.id });
      }
    });

    return new Response(null, { status: 201 });
  }
});