import { Collection, GuildMember, Role } from "discord.js"
import { filterRolesFromMemberUpdate } from "../../server/helper/roleFilter"

function buildFakeRole(id: string, name: string): Role {
  return <Role>{ id, name }

}
test('filterRolesFromMemberUpdate', () => {
  const oldMemberRoles: Collection<string, Role> = new Collection<string, Role>()
  oldMemberRoles.set('1', buildFakeRole('01', 'Role01'))
  oldMemberRoles.set('2', buildFakeRole('02', 'Role02'))

  const newMemberRoles: Collection<string, Role> = new Collection<string, Role>()
  newMemberRoles.set('1', buildFakeRole('01', 'Role01'))
  newMemberRoles.set('2', buildFakeRole('02', 'Role02'))
  newMemberRoles.set('3', buildFakeRole('03', 'Role03'))

  const oldMember: GuildMember = <GuildMember>{ roles: { cache: oldMemberRoles }, guild: { id: "guildid" } }
  const newMember: GuildMember = <GuildMember>{ roles: { cache: newMemberRoles }, guild: { id: "guildid" } }
  const output = filterRolesFromMemberUpdate(oldMember, newMember)

  const expectedAddedRoles: Collection<string, Role> = new Collection<string, Role>()
  expectedAddedRoles.set('3', buildFakeRole('03', 'Role03'))
  const expectedRemovedRoles: Collection<string, Role> = new Collection<string, Role>()

  expect(output.addedRoles).toEqual(expectedAddedRoles)
  expect(output.removedRoles).toEqual(expectedRemovedRoles)
})