import { useValidatedParams, z, zh } from 'h3-zod';
import prisma from '~~/lib/prisma';

export default defineEventHandler(async (event) => {
  const user = await requireUserSession(event);
  const userId = user.user.id;

  const { huntId } = await useValidatedParams(
    event,
    z.object({
      huntId: zh.numAsString
    })
  );

  // Find the team the user is a member of (but not the owner)
  const membership = await prisma.teamMember.findFirst({
    where: {
      memberId: userId,
      team: {
        huntId,
        ownerId: {
          not: userId
        }
      }
    },
    select: {
      memberId: true,
      teamId: true
    }
  });

  if (!membership) {
    // Either the user has no team in this hunt, or they are the owner.
    // Owners cannot leave their own team (they must delete it instead).
    const isOwner = await prisma.huntTeam.findFirst({
      where: {
        huntId,
        ownerId: userId
      },
      select: {
        id: true
      }
    });

    throw createError({
      status: isOwner ? 403 : 404,
      statusText: isOwner ? 'Owner cannot leave the team!' : 'Not found!'
    });
  }

  await prisma.teamMember.delete({
    where: {
      memberId_teamId: membership
    }
  });

  return { success: true };
});