// Truthful coverage ledger: source-backed, approximate and excluded artifacts stay separate.
import { readFileSync, writeFileSync, existsSync } from 'node:fs'
const read = (p) => JSON.parse(readFileSync(p, 'utf8'))
const inventory = read('tools/city-massing/city/city-inventory.json')
const regular = read('tools/city-massing/city/regular-estate/lod-preview/manifest.json')
const oldtown = read('tools/city-massing/city/oldtown/lod-preview/manifest.json')
const sample = read('tools/city-massing/district/lod-preview/manifest.json')
const estatePlan = read('tools/city-massing/city/regular-estate/plan.json')
const oldPlan = read('tools/city-massing/city/oldtown/plan.json')
const seated = read('tools/city-massing/city/oldtown/seated-plan.json')
const verification = existsSync('tools/city-massing/city/city-model-verification.json')
    ? read('tools/city-massing/city/city-model-verification.json')
    : null
const imageryReport = existsSync('tools/city-massing/city/imagery-footprints-report.json')
    ? read('tools/city-massing/city/imagery-footprints-report.json')
    : null
const placementSources = {}
for (const building of oldPlan.buildings)
    placementSources[building.placementSource] = (placementSources[building.placementSource] || 0) + 1
const construction = {}
for (const building of seated.buildings)
    construction[building.construction || 'flat'] = (construction[building.construction || 'flat'] || 0) + 1
const exclusionReasons = {}
for (const entry of oldPlan.excluded) exclusionReasons[entry.reason] = (exclusionReasons[entry.reason] || 0) + 1
const output = {
    bounds: inventory.bounds,
    sourceInventory: inventory.originalSources,
    districts: inventory.districts,
    sourceBacked: {
        scope: regular.scope,
        roofTraces: estatePlan.roofs.length,
        acceptedModules: regular.count,
        excludedModules: estatePlan.modules.length - regular.count,
        excludedReasons: 'original DEM relief >2.5m',
    },
    oldTownBacked: {
        scope: oldtown.scope,
        placementSources,
        footprintPlanned: oldPlan.buildings.length,
        footprintSources: oldPlan.sources.length,
        seated: seated.buildings.length,
        seatedSources: new Set(seated.buildings.map((b) => b.sourceId)).size,
        construction,
        excludedFootprints: oldPlan.excluded.length,
        excludedModules: seated.excluded.length,
        exclusionReasons,
        imagerySegmentation: imageryReport
            ? {
                accepted: imageryReport.totals.accepted,
                trustedMasks: [65, 66, 126],
                untrustedMasks: { 63: 'river/farmland sliver; greenhouse roofs', 130: 'industry park; bright yards read as roof' },
                limitations: imageryReport.limitations,
            }
            : null,
    },
    previousSample: { scope: sample.scope, accepted: sample.count },
    runtimeVerification: verification
        ? {
            passed: verification.passed,
            checkedAt: verification.checkedAt,
            trees: verification.summary,
            sourceConflictCount: verification.sourceConflictCount,
        }
        : null,
    runtime: {
        defaultModelEnabled: false,
        reviewUrl: 'http://127.0.0.1:8092/preview.html',
        lightingFlag: 'map.tilesets[].lighting=true',
        lod: 'coarse spatial parents with REPLACE LOD1/LOD0 children',
    },
    disclaimer:
        'This ledger counts generated artifacts, not surveyed coverage. Heights and facades are estimated; imagery-segmented footprints are per-roof rectangles, not survey geometry; the estate source conflicts listed in city-model-verification.json still need a human decision.',
}
writeFileSync('tools/city-massing/city/coverage-summary.json', JSON.stringify(output, null, 2))
console.log(
    JSON.stringify({
        regular: regular.count,
        oldtownPlaced: oldtown.count,
        oldtownSeatedSources: output.oldTownBacked.seatedSources,
        construction,
        imageryTrustedMasks: [65, 66, 126],
        omittedEstate: output.sourceBacked.excludedModules,
        omittedOldtownModules: seated.excluded.length,
        verificationPassed: verification?.passed ?? null,
        conflicts: verification?.sourceConflictCount ?? null,
    })
)