import assert from 'node:assert/strict'
import test from 'node:test'
import { ApiNetworkError, StaleSessionError } from '../src/api/errors'
import { invalidateSession } from '../src/api/authSession'
import { bindMeMutationApply, resetMeMutationQueueForTests, runMeMutation } from '../src/api/meMutationQueue'
import { clonePlan, initialPlan, revisedPlan } from '../src/modules/gold-land/financial-goal/goalMath'

test('changing the later rate does not change the initial snapshot', () => {
  const initial = initialPlan(30, 120, 15, 30, 10)
  assert.equal(initial.weeks, 6)
  assert.equal(initial.remaining, 90)
  const snapshot = clonePlan(15)
  const later = revisedPlan(30, 120, snapshot, 5, 20)
  assert.equal(snapshot, 15)
  assert.equal(later.balanceAfterTwo, 50)
  assert.equal(later.totalWeeks, 2 + Math.ceil(70 / 20))
  const paused = revisedPlan(30, 120, snapshot, 0, 15)
  assert.equal(paused.balanceAfterTwo, 45)
  assert.equal(snapshot, 15)
})

test('review and a failed submit keep the chosen plan', async () => {
  let answers = { 'q-left': '120' }
  answers = { ...answers, 'q-left': '90' }
  const plan = clonePlan({ initialWeekly: 15, exceptionWeekly: 5, continueWeekly: 15 })
  resetMeMutationQueueForTests()
  let applied = 0
  bindMeMutationApply(() => {
    applied += 1
    return true
  })
  await assert.rejects(() => runMeMutation(async () => { throw new ApiNetworkError() }), ApiNetworkError)
  await assert.rejects(() => runMeMutation(async () => {
    invalidateSession()
    return { me: { user: { coins: 1 } } }
  }), StaleSessionError)
  assert.equal(applied, 0)
  assert.equal(answers['q-left'], '90')
  assert.equal(plan.exceptionWeekly, 5)
})