// What Admin → Teams says (client/src/lib/teamAdmin.js).
//
// The test that earns this file: "no Teams" and "core has not been able to ask"
// must never read the same. They produce almost identical screens — an empty
// table — and one is fine while the other is an outage an operator needs to act
// on. Everything else here is in service of that distinction.
import { test } from 'node:test'
import assert from 'node:assert/strict'

import {
  freshnessOf, ago, statusOf, gateLabelFor, describeRequest, parsePayload, leadershipOf, TONE,
} from '../src/lib/teamAdmin.js'

const minutesAgo = (n) => new Date(Date.now() - n * 60_000).toISOString()

// ── Freshness: four states that must not be confused ───────────────────────

test('no provider is idle, not a fault', () => {
  const f = freshnessOf({ configured: false })
  assert.equal(f.tone, TONE.idle)
  assert.match(f.label, /No Team provider/)
})

test('never synced is reported as never synced, not as an empty shard', () => {
  // The failure this prevents: an empty projection core has never confirmed,
  // rendered as though the game genuinely has no Teams.
  const f = freshnessOf({ configured: true, lastSyncAt: null })
  assert.equal(f.tone, TONE.bad)
  assert.equal(f.label, 'Never synced')
  assert.match(f.detail, /not a confirmed empty shard/)
})

test('stale says how old it is', () => {
  const f = freshnessOf({ configured: true, stale: true, lastSyncAt: minutesAgo(14) })
  assert.equal(f.tone, TONE.warn)
  assert.equal(f.label, 'Stale')
  assert.match(f.detail, /14 minutes ago/)
})

test('current says so plainly', () => {
  const f = freshnessOf({ configured: true, stale: false, lastSyncAt: minutesAgo(2) })
  assert.equal(f.tone, TONE.ok)
  assert.equal(f.label, 'Current')
})

test('ago is deliberately coarse', () => {
  // Second-level precision would be false comfort about a projection whose poll
  // interval is fifteen minutes.
  assert.equal(ago(null), 'never')
  assert.equal(ago(new Date().toISOString()), 'just now')
  assert.equal(ago(minutesAgo(14)), '14 minutes ago')
  assert.equal(ago(minutesAgo(60)), '1 hour ago')
  assert.equal(ago(minutesAgo(180)), '3 hours ago')
  assert.equal(ago(minutesAgo(60 * 72)), '3 days ago')
})

// ── Status ─────────────────────────────────────────────────────────────────

test('the four Team statuses are distinguishable', () => {
  assert.equal(statusOf({ status: 'active' }).label, 'Public')
  assert.equal(statusOf({ status: 'active', hidden: 1, hiddenReason: 'reserved_name' }).label, 'Hidden — reserved name')
  assert.equal(statusOf({ status: 'active', hidden: 1, hiddenReason: 'staff' }).label, 'Hidden by staff')
  assert.equal(statusOf({ status: 'archived', archivedReason: 'disbanded' }).label, 'Archived')
  assert.equal(statusOf({ status: 'archived', archivedReason: 'renamed' }).label, 'Renamed')
})

test('a reserved-name hide is the loudest tone', () => {
  assert.equal(statusOf({ status: 'active', hidden: 1, hiddenReason: 'reserved_name' }).tone, TONE.bad)
  assert.equal(statusOf({ status: 'active', hidden: 1, hiddenReason: 'staff' }).tone, TONE.warn)
})

// ── The gate, described honestly ───────────────────────────────────────────

test('the button says what will actually happen for this role', () => {
  // The server decides from the live role; this only describes it. Saying
  // "Publish" to a moderator would make the pending result a surprise.
  assert.equal(gateLabelFor('admin', 'Publish'), 'Publish')
  assert.equal(gateLabelFor('moderator', 'Publish'), 'Request publish')
})

// ── The approval queue ─────────────────────────────────────────────────────

test('a request describes itself, including the name being published', () => {
  assert.equal(
    describeRequest({ action: 'unhide', requested_username: 'mod1', team_name: 'Admin' }),
    'mod1 asks to publish “Admin”',
  )
  assert.equal(
    describeRequest({
      action: 'display_name_override', requested_username: 'mod1', team_name: 'Admin',
      payload: { displayName: 'The Old Guard' },
    }),
    'mod1 asks to display “Admin” as “The Old Guard”',
  )
  assert.equal(
    describeRequest({ action: 'clear_display_name_override', requested_username: 'mod1', team_name: 'X' }),
    'mod1 asks to clear the display name on “X”',
  )
})

test('a deleted requester still reads as a sentence', () => {
  // §2.10 sets requested_by to NULL and keeps the username snapshot; when even
  // that is gone the queue must not render "null asks to publish".
  assert.match(describeRequest({ action: 'unhide', team_name: 'Admin' }), /^a deleted user asks/)
})

test('a payload arrives parsed or as a string, and both work', () => {
  assert.deepEqual(parsePayload({ displayName: 'X' }), { displayName: 'X' })
  assert.deepEqual(parsePayload('{"displayName":"X"}'), { displayName: 'X' })
  assert.deepEqual(parsePayload(null), {})
  assert.deepEqual(parsePayload('not json'), {})
})

// ── Leadership shows the decision, not just the answer ─────────────────────

test('an unoverridden member reads straight from the projection', () => {
  const l = leadershipOf({ isLeader: true, isLeaderSynced: true })
  assert.equal(l.isLeader, true)
  assert.equal(l.overridden, false)
  assert.equal(l.note, null)
})

test('an override is shown AS an override, with what the game says', () => {
  // Staff looking at a roster need to see that a decision was made, not a fact
  // that looks like the game's.
  const l = leadershipOf({
    isLeaderSynced: true,
    leaderOverride: { effect: 'deny', by: 'mod1', reason: 'harassment' },
  })
  assert.equal(l.isLeader, false)
  assert.equal(l.overridden, true)
  assert.match(l.note, /Denied by mod1 — harassment/)
  assert.match(l.note, /the game says leader/)
})

test('a grant override says the game disagrees', () => {
  const l = leadershipOf({ isLeaderSynced: false, leaderOverride: { effect: 'grant', by: 'root' } })
  assert.equal(l.isLeader, true)
  assert.match(l.note, /the game says not a leader/)
})