import assert from 'node:assert/strict'
import { readFileSync, existsSync } from 'node:fs'
import { resolve, join } from 'node:path'
const dir = resolve(process.argv[2] || 'tools/city-massing/city/cad-bim/city-hybrid-v1')
const tree = JSON.parse(readFileSync(join(dir, 'tileset.json'), 'utf8'))
const report = JSON.parse(readFileSync(join(dir, 'manifest.json'), 'utf8'))
assert.equal(report.farCoarseFiles, 74)
assert.equal(report.fineFiles, 3023)
assert.equal(tree.root.children.length, 74)
let coarse = 0, fine = 0, paths = new Set()
function walk(tile, parent = null) {
    if (tile.children?.length) assert.equal(tile.refine, 'REPLACE')
    if (tile.content?.uri) {
        const path = resolve(dir, tile.content.uri)
        assert.ok(existsSync(path), path)
        assert.ok(!paths.has(path), `duplicate content ${path}`)
        paths.add(path)
        if (/-lod1\.glb$/.test(tile.content.uri)) coarse++
        if (/-lod0\.glb$/.test(tile.content.uri)) {
            fine++
            assert.equal(tile.geometricError, 0)
            assert.ok(parent, 'fine leaf must have coarse parent')
        }
    }
    for (const child of tile.children || []) walk(child, tile)
}
walk(tree.root)
assert.equal(coarse, 74)
assert.equal(fine, 3023)
console.log(JSON.stringify({ passed: true, coarse, fine, content: paths.size,
    policy: '74 coarse parents; fine leaves are local children, no global coarse handoff',
    traversalValidated: false }))