import { requireAuth } from '~/server/utils/auth'
import { prisma } from '~/server/utils/prisma'

export default defineEventHandler(async (event) => {
  const user = requireAuth(event)

  const userGroups = await prisma.groupMember.findMany({
    where: { userId: user.id },
    select: { groupId: true }
  })
  const groupIds = userGroups.map(m => m.groupId)

  const canvasList = await prisma.canvas.findMany({
    where: {
      OR: [
        { ownerId: user.id },
        { isPublic: true },
        { groupId: { in: groupIds } }
      ]
    },
    select: {
      id: true,
      name: true,
      ownerId: true,
      groupId: true,
      isPublic: true,
      createdAt: true,
      updatedAt: true,
      nodes: true
    },
    orderBy: { updatedAt: 'desc' }
  })

  return {
    canvases: canvasList.map(c => ({
      ...c,
      nodeCount: Array.isArray(c.nodes) ? (c.nodes as any[]).length : 0,
      nodes: undefined
    }))
  }
})