// Verify the corrected GIS-aligned CAD/BIM batches and far wrapper provenance.
import assert from 'node:assert/strict'
import { readFileSync, existsSync } from 'node:fs'
import { join, resolve } from 'node:path'

const root = resolve('tools/city-massing/city/cad-bim')
const dirs = process.argv.slice(2)
assert.ok(dirs.length, 'aligned batch directories required')
const requiredMaterials = ['Door_Walnut', 'Glass_Dark']
const results = []
const ids = new Set()
for (const name of dirs) {
    const dir = resolve(name)
    const manifestPath = join(dir, 'manifest.json')
    const treePath = join(dir, 'tileset.json')
    assert.ok(existsSync(manifestPath), `${name}: manifest missing`)
    const manifest = JSON.parse(readFileSync(manifestPath, 'utf8'))
    const tree = JSON.parse(readFileSync(treePath, 'utf8'))
    assert.equal(manifest.provenance?.gisFootprints, true, `${name}: GIS footprint provenance missing`)
    assert.equal(manifest.provenance?.roadsProcedural, false, `${name}: procedural roads provenance`)
    assert.equal(manifest.provenance?.lod1FootprintOnly, true, `${name}: LOD1 footprint mode missing`)
    assert.equal(manifest.provenance?.facadeDetails, true, `${name}: facade provenance missing`)
    assert.ok(tree.root?.transform?.length === 16, `${name}: root transform missing`)
    assert.ok(tree.root?.children?.length, `${name}: no coarse children`)
    const cellIds = manifest.cells.flatMap((cell) => cell.buildingIds)
    assert.equal(cellIds.length, manifest.count, `${name}: manifest coverage count mismatch`)
    for (const id of cellIds) {
        assert.ok(!ids.has(id), `${name}: duplicate building id ${id}`)
        ids.add(id)
    }
    const lod1Files = manifest.coarseCells.map((record) => record.uri)
    assert.ok(lod1Files.length, `${name}: no coarse records`)
    const materials = new Set()
    for (const uri of lod1Files) {
        const bytes = readFileSync(join(dir, uri))
        const length = bytes.readUInt32LE(12)
        const gltf = JSON.parse(bytes.toString('utf8', 20, 20 + length))
        for (const material of gltf.materials || []) if (material.name) materials.add(material.name)
    }
    for (const material of requiredMaterials) assert.ok(materials.has(material), `${name}: LOD1 lacks ${material}`)
    results.push({ name, buildings: manifest.count, coarseFiles: lod1Files.length,
        lod1Triangles: manifest.totals.lod1.triangles, lod0Triangles: manifest.totals.lod0.triangles,
        materials: [...materials].sort() })
}
console.log(JSON.stringify({ passed: true, batches: results, buildings: ids.size }))