import { readFile } from 'node:fs/promises'
import { resolve } from 'node:path'

const root = resolve(new URL('..', import.meta.url).pathname)
const inventory = JSON.parse(await readFile(resolve(root, 'config/freecad-gui-command-inventory.json'), 'utf8'))
const fail = (message) => { throw new Error(`FreeCAD GUI command inventory: ${message}`) }
if (inventory.schemaVersion !== 1 || inventory.baseline?.freecadVersion !== '1.1.1' || inventory.baseline?.commit !== '0108fd4b4850cc46e625b60e53cea7a7bbe69f8d') fail('baseline mismatch.')
if (!Number.isInteger(inventory.commandCount) || inventory.commandCount < 900 || !Array.isArray(inventory.commands) || inventory.commands.length !== inventory.commandCount) fail('runtime command inventory is incomplete.')
const ids = new Set()
for (const command of inventory.commands) {
  if (!command.id || ids.has(command.id)) fail(`duplicate or empty command '${command.id}'.`)
  ids.add(command.id)
  if (!Array.isArray(command.sourceModules) || command.sourceModules.length === 0 || !Array.isArray(command.workbenches) || command.workbenches.length === 0) fail(`${command.id} is missing source/workbench ownership.`)
  for (const caseName of ['emptySelection', 'selectedPartBox']) {
    const probeCase = command.cases?.[caseName]
    if (!probeCase?.observed || !Array.isArray(probeCase.states) || probeCase.states.length === 0) fail(`${command.id} is missing ${caseName} evidence.`)
    if (probeCase.states.some((state) => !['true', 'false', 'error', 'no-action'].includes(String(state)))) fail(`${command.id} has an invalid ${caseName} state.`)
  }
}
if (!Array.isArray(inventory.sourceOnlyCommands)) fail('sourceOnlyCommands must be an array.')
for (const command of inventory.sourceOnlyCommands) {
  if (!command.id || !Array.isArray(command.sourceModules) || !command.reason) fail('source-only command entry is incomplete.')
}
console.log(JSON.stringify({ status: 'gui-command-inventory-pass', commandCount: inventory.commandCount, sourceOnlyCount: inventory.sourceOnlyCommands.length, workbenchCount: inventory.runtimeEvidence?.workbenchCount }, null, 2))