1import { envHome } from '../../sharedF/isDevPcF.mts'
2import { mkdirSync, readFileSync, writeFileSync, renameSync } from 'fs'
3import { chalkGreen, chalkGray } from '../../serverF/libChalkF.mts'
4
5const modelsJsonPath = `${envHome}/.cache/opencode/models.json`
6const modelsApiUrl = 'https://models.dev/api.json'
7
8export const ocModelsCacheJob = {
9  name: 'ocModelsCache',
10  intervalSec: 86400,
11  runFnc: async () => {
12    mkdirSync(`${envHome}/.cache/opencode`, {recursive: true})
13    const resp = await fetch(modelsApiUrl, {signal: AbortSignal.timeout(30_000)})
14    if (!resp.ok) throw new Error(`models.dev ${resp.status}`)
15    const text = await resp.text()
16    let existing = null
17    try { existing = readFileSync(modelsJsonPath, 'utf8') } catch { /* not yet cached */ } // catch:userapproved
18    if (existing === text) return chalkGray(`ocModelsCache: unchanged (${text.length}b)`)
19    const tmpPath = `${modelsJsonPath}.tmp.${process.pid}`
20    writeFileSync(tmpPath, text)
21    renameSync(tmpPath, modelsJsonPath)
22    return chalkGreen(`ocModelsCache: ${text.length}b written`)
23  },
24}
25