// server/api/admin/village/complete-clearing.post.ts
import { getUserIdFromSession } from '../../../utils/auth';
import { PrismaClient } from '@prisma/client';

const prisma = new PrismaClient();

export default defineEventHandler(async (event) => {
  const userId = await getUserIdFromSession(event);

  // Simple admin check
  if (userId !== 1) {
    throw createError({ statusCode: 403, statusMessage: 'Forbidden' });
  }

  const village = await prisma.village.findUniqueOrThrow({ where: { userId } });

  const tilesToComplete = await prisma.villageTile.findMany({
    where: {
      villageId: village.id,
      terrainState: 'CLEARING',
    },
  });

  if (tilesToComplete.length === 0) {
    return { success: true, message: 'No clearing tasks to complete.' };
  }

  await prisma.$transaction([
    // Complete the tiles
    prisma.villageTile.updateMany({
      where: {
        id: { in: tilesToComplete.map(t => t.id) },
      },
      data: {
        terrainState: 'IDLE',
        terrainType: 'EMPTY',
        clearingStartedAt: null,
      },
    }),
    // Give the user the rewards (1 coin and 1 exp per tile)
    prisma.user.update({
      where: { id: userId },
      data: {
        coins: { increment: tilesToComplete.length },
        exp: { increment: tilesToComplete.length },
      },
    }),
  ]);

  return { success: true, message: `Completed ${tilesToComplete.length} clearing tasks.` };
});