1import { readLedger, getGitShaFull, type ActionResult } from './actionResultsAI.mts'
2import { toPtRelPath } from '../../serverF/pathF/absPathToPtPathF.mts'
3import { chalkGray, chalkGreen, chalkRed } from '../../serverF/libChalkF.mts'
4import { getFullEpImportTree } from '../dockerF/dfFromMadgeF.mts'
5import { globalDependPaths } from '../dockerF/dockerImageF.mts'
6import { getUncommittedInPathSet, gitDiffQuietInPaths } from '../libF/gitF/gitDirtyPathsAI.mts'
7import { availActionsCtx } from '../ctxF/availActionsCtxF.mts'
8import { cliHelpText } from '../../serverF/cliArgAI.mts'
9import type { Ptenv } from '../../sharedF/ptenvF.mts'
10import { getAction } from '../ctxF/actionCtxF.mts'
11import { betDurMs } from '../../sharedF/timingAI.mts'
12import { isVeryVerbose } from '../../sharedF/isDevPcF.mts'
13import { betLog } from '../../sharedF/betterConsLogF.mts'
14import { readMemoTempfileIfExist } from '../../serverF/ptDiskF/memoTmpfileF.mts'
15
16export type SkipResult = { skip: boolean, reason?: string, lastRecord?: ActionResult }
17
18export const shouldSkipTests = async ({ep, ptenv}: {
19  ep: string
20  ptenv: Ptenv
21}): Promise<SkipResult> => {
22
23  const epRel = toPtRelPath(ep)
24  const last = readLedger().findLast(r =>
25    r.ep === epRel && r.action === 'runtests' && r.ptenv === ptenv && r.success
26  )
27  if (!last?.gitSha) return { skip: false }
28
29  const currentSha = getGitShaFull()
30  const lastSha = last.gitSha
31
32  // Tier 1: same commit (fast path — no tree computation needed)
33  if (currentSha === lastSha) {
34    if (isVeryVerbose) betLog({tier: 'memo:tier1', skip: true})
35    return { skip: true, reason: `unchanged at ${currentSha}`, lastRecord: last }
36  }
37
38  // Tier 1.5: reuse lastSha's cached import tree to check for diffs before recomputing.
39  // Safe because any file added to the tree between shas implies a modifying edit to a
40  // file already in the old tree (the one that gained the new import) → gitDiff catches it.
41  const lastTree = await readMemoTempfileIfExist<string[]>({cacheKeyA: [lastSha, epRel, 'fullTree-v1']})
42  if (lastTree?.length) {
43    const lastAllPaths = [...lastTree, ...globalDependPaths]
44    const uncommittedInLastTree = getUncommittedInPathSet(lastAllPaths)
45    if (!uncommittedInLastTree.length) {
46      try {
47        if (gitDiffQuietInPaths(lastSha, currentSha, lastAllPaths)) {
48          if (isVeryVerbose) betLog({tier: 'memo:tier1.5', skip: true})
49          return { skip: true, reason: `no import-tree changes since ${lastSha}`, lastRecord: last }
50        }
51      } catch { // catch:userapproved
52      }
53    }
54  }
55
56  const importPaths = await betDurMs('shouldSkipTests:getFullEpImportTree', () => getFullEpImportTree(epRel))
57  const allPaths = [...importPaths, ...globalDependPaths]
58
59  const uncommittedInCodeTree = getUncommittedInPathSet(allPaths)
60  if (uncommittedInCodeTree.length) {
61    if (isVeryVerbose) betLog({tier: 'memo:uncommitted', skip: false})
62    return { skip: false }
63  }
64
65  // Tier 2: different commit but no import-tree diff
66  try {
67    if (gitDiffQuietInPaths(lastSha, currentSha, allPaths)) {
68      if (isVeryVerbose) betLog({tier: 'memo:tier2', skip: true})
69      return { skip: true, reason: `no import-tree changes since ${lastSha}`, lastRecord: last }
70    }
71  } catch { // catch:userapproved
72    // old SHA pruned from git, etc. — don't skip
73  }
74
75  if (isVeryVerbose) betLog({tier: 'memo:miss', skip: false})
76  return { skip: false }
77}
78
79export const printSkipMsg = (ptenv: Ptenv, reason: string, lastRecord?: ActionResult) => {
80  console.log(`${chalkGreen('runtests')} ${chalkGray(`ptenv=${ptenv}`)} ${chalkGreen('SKIP')} ${chalkGray(`(${reason})`)}`)
81  if (lastRecord?.suites) {
82    for (const [name, sr] of Object.entries(lastRecord.suites)) {
83      const status = sr.passed ? chalkGreen('PASS') : chalkRed('FAIL')
84      console.log(`  ${status} testsuite=${name} ${sr.message} ${chalkGray('(memoized)')}`)
85    }
86  }
87  const action = getAction()
88  const cliSchema = action && availActionsCtx.getStore()?.[action]?.cliSchema
89  if (cliSchema) console.log(chalkGray(cliHelpText('', cliSchema).trim()))
90}
91