// Only retained REA evidence is read; this script never opens WorkBuddy or its installation.
import fs from 'node:fs'
import path from 'node:path'
import { createHash } from 'node:crypto'
import postcss from 'postcss'

const sha = text => createHash('sha256').update(text).digest('hex')
const archive = JSON.parse(fs.readFileSync('.tmp/rea-runtime-scripts.json', 'utf8'))
const source = archive.items.find(item => item.file_path.endsWith('contexts-BMeWSUHk.js'))?.source.artifact
const sourcePin = '5f35b7489b107e21ef452c8ee88a95265756f6fc444841eef869228bbc44768b'
if (!source || source.sha256 !== sourcePin || sha(source.text) !== sourcePin) throw Error('REA runtime source digest mismatch')
const cssManifest = JSON.parse(fs.readFileSync('.tmp/rea-css-recovered/manifest.json', 'utf8'))
const cssIdentity = cssManifest.files.find(file => file.file === 'contexts-BkjwYSZT.css')
const css = fs.readFileSync(path.join('.tmp/rea-css-recovered', cssIdentity.file), 'utf8')
if (sha(css) !== cssIdentity.sha256) throw Error('REA CSS source digest mismatch')
const output = postcss.root()
postcss.parse(css).walkRules(rule => {
  if (!/\.conversation-(?:team-collaboration|member-detail)(?:[\s_.:#\[>+-]|$)/.test(rule.selector)) return
  let copy = rule.clone()
  for (let parent = rule.parent; parent?.type === 'atrule'; parent = parent.parent) {
    copy = parent.clone({ nodes: [copy] })
  }
  output.append(copy)
})
if (!output.nodes.length) throw Error('REA member CSS was not found')
const folder = 'src/renderer/src/workbuddy/subagents'
const header = `/* WorkBuddy 5.8.2; retained REA ${cssManifest.sourceEvidenceId}.\n * Exact selected source rules; host primitive adapters are kept separately.\n */\n`
const result = header + output.toString().replaceAll('}', '}\n').trimEnd() + '\n'
// The conversation's generated theme is scoped to .chat-pane. Give the sibling
// member surface the same retained token declarations without leaking them globally.
const memberTheme = postcss.root()
postcss.parse(fs.readFileSync('src/renderer/src/workbuddy/conversation/source-styles.css', 'utf8')).walkRules(rule => {
  const selectors = rule.selectors.filter(selector => /^\.chat-pane\.cr-theme(?:\[data-cr-theme=(?:light|dark)\])?$/.test(selector))
  if (!selectors.length) return
  const declarations = rule.nodes.filter(node => node.type === 'decl' && node.prop.startsWith('--')).map(node => node.clone())
  if (declarations.length) memberTheme.append(postcss.rule({ selector: selectors.map(selector => selector.replace('.chat-pane', '.conversation-member-detail')).join(','), nodes: declarations }))
})
if (!memberTheme.nodes.length) throw Error('Scoped conversation theme tokens were not found')
const themeResult = '/* Same retained conversation token scopes for the sibling member detail surface. */\n' + memberTheme.toString().replaceAll('}', '}\n').trimEnd() + '\n'
const manifest = { version: '5.8.2', runtimeEvidenceId: archive.evidence_id, runtimeFile: 'contexts-BMeWSUHk.js', runtimeSha256: sourcePin,
  cssEvidenceId: cssManifest.sourceEvidenceId, cssFile: cssIdentity.file, cssSha256: cssIdentity.sha256, rules: output.nodes.length,
  sourceRanges: { members: [6187325, 6193670], detail: [5913738, 5917850], finishedFooter: [6891900, 6892500], streamingFooter: [6977800, 6978800] },
  adaptations: ['YCode SubagentSnapshot supplies identity, status and events.', 'The existing workbench owns member selection and its detail surface.', 'Source button/avatar/icon primitives bind to local React elements; adapters are separate.', 'Cancellation remains available from the member detail header.'],
  limitations: ['No current live WorkBuddy capture; full-state pixel and motion equivalence remains unverified.'], outputSha256: sha(result), themeOutputSha256: sha(themeResult) }
fs.mkdirSync(folder, { recursive: true })
for (const [file, content] of [['source.css', result], ['theme.css', themeResult], ['manifest.json', JSON.stringify(manifest, null, 2) + '\n']]) {
  const target = path.join(folder, file)
  if (process.argv.includes('--check')) {
    if (fs.readFileSync(target, 'utf8') !== content) throw Error('Recovered source drift: ' + target)
  } else fs.writeFileSync(target, content)
}
console.log(JSON.stringify({ rules: output.nodes.length, cssEvidenceId: manifest.cssEvidenceId, outputSha256: manifest.outputSha256 }))