import { eq } from 'drizzle-orm'
import { permissions, rolePermissions, userRoles } from '../db/schema'

export async function getUserPermissions(userId: number) {
  const rows = await useDb()
    .select({ key: permissions.key })
    .from(rolePermissions)
    .innerJoin(permissions, eq(rolePermissions.permissionId, permissions.id))
    .innerJoin(userRoles, eq(rolePermissions.roleId, userRoles.roleId))
    .where(eq(userRoles.userId, userId))
  return [...new Set(rows.map(r => r.key))]
}

export async function getRolePermissions() {
  const rows = await useDb()
    .select({ roleId: rolePermissions.roleId, key: permissions.key })
    .from(rolePermissions)
    .innerJoin(permissions, eq(rolePermissions.permissionId, permissions.id))
  const byRole = new Map<number, string[]>()
  for (const row of rows) {
    const list = byRole.get(row.roleId) ?? []
    list.push(row.key)
    byRole.set(row.roleId, list)
  }
  return byRole
}