#!/usr/bin/env node
import { createHash } from "node:crypto";
import { open, mkdir, readFile, readdir, writeFile } from "node:fs/promises";
import path from "node:path";
import { inflateSync } from "node:zlib";
import { fileURLToPath } from "node:url";

const projectRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..", "..");
const recipeRoot = path.join(projectRoot, "scripts", "runewaker-pipeline", "recipes");
const publicRoot = path.join(projectRoot, "public");
const artifactRoot = path.join(projectRoot, "artifacts", "animation-audit");
const jsonFile = path.join(artifactRoot, "runtime-clip-coverage.json");
const markdownFile = path.join(artifactRoot, "runtime-clip-coverage.md");
const runtimeSelectorFile = path.join(projectRoot, "src", "game", "mobAnimation.ts");
const runtimeConsumerFile = path.join(projectRoot, "src", "scene", "MobPopulation.tsx");

const COMBAT_ANIMATION_IDS = {
  attack: [16, 17, 18, 19, 85, 87, 88, 95, 57, 58, 118, 53, 54, 32, 33, 2],
  cast: [32, 33, 53, 54, 2, 51, 52],
  wound: [10, 9, 8],
  death: [1, 121, 134, 148, 189],
};
const COMBAT_SEMANTICS = {
  attack: /^attack\b/i,
  cast: /^cast\b/i,
  wound: /^(wound|hurt)\b/i,
  death: /^(death|drown)\b/i,
};
const FALLBACK_ORDER = {
  idle: ["idle", "moving", "attacking", "dead"],
  moving: ["moving", "idle", "attacking", "dead"],
  attacking: ["attacking", "idle", "moving", "dead"],
  dead: ["dead", "idle", "moving", "attacking"],
};
const ROUND_DIGITS = 6;
const glbCache = new Map();

const readJson = async (file) => JSON.parse((await readFile(file, "utf8")).replace(/^\uFEFF/, ""));
const slash = (file) => path.relative(projectRoot, file).split(path.sep).join("/");
const constantCase = (value) => String(value).replaceAll("-", "_").toUpperCase();
const round = (value) => Number(Number(value).toFixed(ROUND_DIGITS));
const sha256 = (bytes) => createHash("sha256").update(bytes).digest("hex");

function generatedJson(source, name, suffix) {
  const marker = "export const " + name + " = ";
  const start = source.indexOf(marker);
  if (start < 0) throw new Error("Missing generated constant " + name + ".");
  const valueStart = start + marker.length;
  const valueEnd = source.indexOf(suffix, valueStart);
  if (valueEnd < 0) throw new Error("Missing type suffix for " + name + ".");
  return JSON.parse(source.slice(valueStart, valueEnd));
}

function parseWoWAnimationName(name) {
  const match = String(name).match(/^\s*(.*?)\s*\(ID\s+(\d+)\s+variation\s+(\d+)\)\s*$/i);
  return match
    ? { id: Number.parseInt(match[2], 10), variation: Number.parseInt(match[3], 10) }
    : { id: null, variation: 0 };
}

function classifyBaseClip(name) {
  const normalized = String(name).trim();
  if (/^(death|drown)\b/i.test(normalized)) return "dead";
  if (/^attack(?!.*ready)/i.test(normalized)) return "attacking";
  if (/^(walk|run)\b/i.test(normalized)) return "moving";
  if (/^(stand|idle)\b/i.test(normalized)) return "idle";
  return null;
}

function resolveBaseClip(names, requestedState) {
  for (const resolvedState of FALLBACK_ORDER[requestedState]) {
    const name = names.find((candidate) => classifyBaseClip(candidate) === resolvedState);
    if (name) return {
      name,
      requestedState,
      resolvedState,
      exact: requestedState === resolvedState,
    };
  }
  return names[0]
    ? { name: names[0], requestedState, resolvedState: "idle", exact: false }
    : null;
}

function combatVariants(names, kind) {
  for (const id of COMBAT_ANIMATION_IDS[kind]) {
    const matches = names
      .filter((name) => parseWoWAnimationName(name).id === id)
      .sort((left, right) => (
        parseWoWAnimationName(left).variation - parseWoWAnimationName(right).variation
      ));
    if (matches.length) return matches;
  }
  return names.filter((name) => COMBAT_SEMANTICS[kind].test(String(name).trim()));
}

function revisionCycle(names) {
  return names.map((name, revision) => ({ revision, name }));
}

function sampleTimes(duration, singleFrame) {
  if (singleFrame || !Number.isFinite(duration) || duration <= 0) return [{ phase: "only", seconds: 0 }];
  return [
    { phase: "start", seconds: 0 },
    { phase: "middle", seconds: round(duration / 2) },
    { phase: "end", seconds: round(duration) },
  ];
}

async function inspectGlb(url) {
  if (!glbCache.has(url)) {
    glbCache.set(url, (async () => {
      const file = path.join(publicRoot, String(url).replace(/^\/+/, ""));
      const handle = await open(file, "r");
      try {
        const header = Buffer.alloc(20);
        const headerRead = await handle.read(header, 0, header.length, 0);
        if (headerRead.bytesRead !== 20 || header.toString("ascii", 0, 4) !== "glTF") {
          throw new Error("Not a GLB file: " + slash(file));
        }
        if (header.readUInt32LE(4) !== 2 || header.readUInt32LE(16) !== 0x4e4f534a) {
          throw new Error("Unsupported GLB header: " + slash(file));
        }
        const jsonLength = header.readUInt32LE(12);
        const jsonBytes = Buffer.alloc(jsonLength);
        const jsonRead = await handle.read(jsonBytes, 0, jsonLength, 20);
        if (jsonRead.bytesRead !== jsonLength) throw new Error("Truncated GLB JSON: " + slash(file));
        const json = JSON.parse(jsonBytes.toString("utf8").replace(/\0+$/, "").trim());
        const animations = (json.animations ?? []).map((animation, index) => {
          const inputAccessors = [...new Set((animation.samplers ?? []).map((sampler) => sampler.input))]
            .map((accessorIndex) => json.accessors?.[accessorIndex])
            .filter(Boolean);
          const duration = Math.max(0, ...inputAccessors.map((accessor) => Number(accessor.max?.[0] ?? 0)));
          const frameCounts = inputAccessors.map((accessor) => Number(accessor.count ?? 0));
          const maximumKeyframes = Math.max(0, ...frameCounts);
          const minimumKeyframes = Math.min(...frameCounts, maximumKeyframes);
          const singleFrame = maximumKeyframes <= 1 || duration <= 0.000001;
          return {
            name: animation.name ?? "animation-" + index,
            manifestIndex: index,
            durationSeconds: round(duration),
            channels: animation.channels?.length ?? 0,
            minimumKeyframes,
            maximumKeyframes,
            singleFrame,
            sampleTimes: sampleTimes(duration, singleFrame),
          };
        });
        return {
          file: slash(file),
          fileSha256: sha256(await readFile(file)),
          animations,
          skins: json.skins?.length ?? 0,
        };
      } finally {
        await handle.close();
      }
    })());
  }
  return glbCache.get(url);
}

function clipDetail(name, metadataByName) {
  if (!name) return null;
  const metadata = metadataByName.get(name);
  return metadata ? { ...metadata } : {
    name,
    durationSeconds: null,
    channels: null,
    minimumKeyframes: null,
    maximumKeyframes: null,
    singleFrame: null,
    sampleTimes: [],
    metadataMissing: true,
  };
}

function familyPlan(names, metadataByName, kind) {
  const variants = combatVariants(names, kind);
  return {
    selection: "revision modulo every variant in the highest-priority numeric ID, otherwise manifest-order semantic matches",
    revisionCycle: revisionCycle(variants),
    clips: variants.map((name) => clipDetail(name, metadataByName)),
  };
}

function semanticNearMisses(names) {
  return {
    idle: names.filter((name) => /^Action - .*\b(idle|stand)\b/i.test(name)),
    moving: names.filter((name) => /^Action - .*\b(walk|run)\b/i.test(name)),
    attack: names.filter((name) => /^Action - .*attack/i.test(name)),
    cast: names.filter((name) => /^Action - .*cast/i.test(name)),
    wound: names.filter((name) => /^Action - .*\b(hurt|wound)\b/i.test(name)),
    death: names.filter((name) => /^(Action|Terminal Pose) - .*\b(dead|death|drown)\b/i.test(name)),
  };
}

function validateRuntimeContract(selectorSource, consumerSource) {
  const checks = [
    ["base-first-match", /clips\.find\(\(candidate\) => classifyAnimationClip\(candidate\.name\) === resolvedState\)/],
    ["combat-modulo-rotation", /semanticClips\[Math\.abs\(revision\) % semanticClips\.length\]/],
    ["idle-moving-dead-base-consumer", /resolveMobAnimationClip\(gltf\.animations, animationState\)/],
    ["attack-cast-wound-one-shots", /playCombatAction = \(kind: "attack" \| "cast" \| "wound"/],
    ["death-not-dispatched-as-one-shot", /if \(animationState === "dead"\) return;/],
  ];
  const results = checks.map(([id, pattern]) => ({
    id,
    matched: pattern.test(id.startsWith("base") || id.startsWith("combat") ? selectorSource : consumerSource),
  }));
  if (results.some((check) => !check.matched)) {
    throw new Error("Runtime animation-selection contract changed: "
      + results.filter((check) => !check.matched).map((check) => check.id).join(", "));
  }
  return results;
}

function paeth(left, up, upperLeft) {
  const estimate = left + up - upperLeft;
  const leftDistance = Math.abs(estimate - left);
  const upDistance = Math.abs(estimate - up);
  const upperLeftDistance = Math.abs(estimate - upperLeft);
  return leftDistance <= upDistance && leftDistance <= upperLeftDistance
    ? left : upDistance <= upperLeftDistance ? up : upperLeft;
}

async function pngColorSilhouette(file, minimumChannelSpread = 10) {
  const bytes = await readFile(file);
  if (bytes.subarray(0, 8).toString("hex") !== "89504e470d0a1a0a") throw new Error("Not a PNG: " + slash(file));
  let offset = 8;
  let width = 0;
  let height = 0;
  let bitDepth = 0;
  let colorType = 0;
  const idat = [];
  while (offset < bytes.length) {
    const length = bytes.readUInt32BE(offset);
    const type = bytes.toString("ascii", offset + 4, offset + 8);
    const data = bytes.subarray(offset + 8, offset + 8 + length);
    if (type === "IHDR") {
      width = data.readUInt32BE(0);
      height = data.readUInt32BE(4);
      bitDepth = data[8];
      colorType = data[9];
    } else if (type === "IDAT") idat.push(data);
    offset += length + 12;
    if (type === "IEND") break;
  }
  if (bitDepth !== 8 || ![2, 6].includes(colorType)) {
    throw new Error("PNG silhouette audit supports only 8-bit RGB/RGBA: " + slash(file));
  }
  const bytesPerPixel = colorType === 6 ? 4 : 3;
  const stride = width * bytesPerPixel;
  const filtered = inflateSync(Buffer.concat(idat));
  const pixels = Buffer.alloc(stride * height);
  let sourceOffset = 0;
  for (let y = 0; y < height; y += 1) {
    const filter = filtered[sourceOffset++];
    for (let x = 0; x < stride; x += 1) {
      const raw = filtered[sourceOffset++];
      const index = y * stride + x;
      const left = x >= bytesPerPixel ? pixels[index - bytesPerPixel] : 0;
      const up = y > 0 ? pixels[index - stride] : 0;
      const upperLeft = y > 0 && x >= bytesPerPixel ? pixels[index - stride - bytesPerPixel] : 0;
      const predictor = filter === 0 ? 0
        : filter === 1 ? left
          : filter === 2 ? up
            : filter === 3 ? Math.floor((left + up) / 2)
              : filter === 4 ? paeth(left, up, upperLeft)
                : null;
      if (predictor === null) throw new Error("Unsupported PNG filter " + filter + ".");
      pixels[index] = (raw + predictor) & 0xff;
    }
  }
  let selectedPixels = 0;
  let minX = width;
  let maxX = -1;
  let minY = height;
  let maxY = -1;
  let sumX = 0;
  let sumY = 0;
  for (let y = 0; y < height; y += 1) {
    for (let x = 0; x < width; x += 1) {
      const index = y * stride + x * bytesPerPixel;
      const red = pixels[index];
      const green = pixels[index + 1];
      const blue = pixels[index + 2];
      if (Math.max(red, green, blue) - Math.min(red, green, blue) < minimumChannelSpread) continue;
      selectedPixels += 1;
      minX = Math.min(minX, x);
      maxX = Math.max(maxX, x);
      minY = Math.min(minY, y);
      maxY = Math.max(maxY, y);
      sumX += x;
      sumY += y;
    }
  }
  return {
    file: slash(file),
    method: "foreground heuristic: max(R,G,B)-min(R,G,B) >= " + minimumChannelSpread,
    imageWidth: width,
    imageHeight: height,
    selectedPixels,
    bounds: selectedPixels ? {
      minX, maxX, minY, maxY,
      width: maxX - minX + 1,
      height: maxY - minY + 1,
    } : null,
    centroid: selectedPixels ? {
      x: round(sumX / selectedPixels),
      y: round(sumY / selectedPixels),
    } : null,
  };
}

async function pasperDiagnostics() {
  const base = path.join(projectRoot, "artifacts", "animation-diagnostics");
  const preFix = await pngColorSilhouette(path.join(base, "fog-ferocity-03", "Bind-Pose.png"));
  const fixed = await pngColorSilhouette(path.join(base, "fog-ferocity-03-fixed", "Bind-Pose.png"));
  const fixedFiles = (await readdir(path.join(base, "fog-ferocity-03-fixed")))
    .filter((file) => file.endsWith(".png") && file !== "Bind-Pose.png")
    .sort();
  const fixedSamples = [];
  for (const file of fixedFiles) {
    fixedSamples.push(await pngColorSilhouette(path.join(base, "fog-ferocity-03-fixed", file)));
  }
  const widthRatio = round(preFix.bounds.width / fixed.bounds.width);
  const heightRatio = round(preFix.bounds.height / fixed.bounds.height);
  const pixelRatio = round(preFix.selectedPixels / fixed.selectedPixels);
  const maximumFixedWidthRatio = round(Math.max(...fixedSamples.map((sample) => (
    sample.bounds.width / fixed.bounds.width
  ))));
  const maximumFixedHeightRatio = round(Math.max(...fixedSamples.map((sample) => (
    sample.bounds.height / fixed.bounds.height
  ))));
  return {
    evidenceKind: "same-camera color-silhouette comparison; useful regression evidence, not a substitute for vertex-space checks",
    preFix,
    fixed,
    fixedAnimationSamples: fixedSamples,
    comparison: {
      preFixToFixedBindWidthRatio: widthRatio,
      preFixToFixedBindHeightRatio: heightRatio,
      preFixToFixedColoredPixelRatio: pixelRatio,
      maximumFixedAnimationToBindWidthRatio: maximumFixedWidthRatio,
      maximumFixedAnimationToBindHeightRatio: maximumFixedHeightRatio,
      interpretation: "The broken bind pose was over twice the repaired silhouette width while height stayed similar; repaired sampled motion remained below the recommended goatman width threshold.",
    },
  };
}

function markdownClipList(plan) {
  return plan.clips.length ? plan.clips.map((clip) => clip.name).join("<br>") : "—";
}

function markdown(report) {
  const lines = [
    "# RuneWaker runtime clip coverage",
    "",
    "Generated by `node scripts/runewaker-pipeline/audit-runtime-clip-coverage.mjs`.",
    "",
    "Status: **" + report.status.toUpperCase() + "**",
    "",
    "Shipping manifest animation order is authoritative. GLB metadata is used only to cross-check names and measure duration/channel/keyframe quality.",
    "",
    "## Runtime selector contract",
    "",
    "- Idle and moving loop the **first** manifest clip classified into that state; alternate idle/walk/run clips do not rotate.",
    "- Attack, cast, and wound one-shots rotate by `abs(revision) % variationCount` across semantic matches in manifest order (or the highest-priority numeric WoW ID).",
    "- Dead state loops nothing: it plays the first `Death`/`Drown` base clip once and clamps at its end.",
    "- The death combat-selector can enumerate revision variants, but `MobPopulation` does not dispatch death as a combat one-shot today. The sample plan still includes every selector-visible death variant.",
    "- Missing attack/cast/wound/death clips receive bounded procedural presentation; missing idle/moving clips fall through the base-state order.",
    "",
    "## Totals",
    "",
    "| Dungeons | Templates | Configured base actors | Configured packaged variants | Native variants | Procedural/pose variants | Missing runtime-required families | Selector-visible single-frame clips |",
    "|---:|---:|---:|---:|---:|---:|---:|---:|",
    "| " + [
      report.totals.dungeons,
      report.totals.configuredTemplates,
      report.totals.configuredBaseActors,
      report.totals.configuredActorAssets,
      report.totals.nativeActorAssets,
      report.totals.proceduralActorAssets,
      report.totals.templatesMissingRuntimeRequiredFamily,
      report.totals.selectorVisibleSingleFrameClips,
    ].join(" | ") + " |",
    "",
    "Native/packaged family coverage (asset variants, not template rows): idle **"
      + report.totals.assetsWithExactIdle + "/" + report.totals.configuredActorAssets
      + "**, moving **" + report.totals.assetsWithExactMoving + "/" + report.totals.configuredActorAssets
      + "**, attack **" + report.totals.assetsWithAttackFamily + "/" + report.totals.configuredActorAssets
      + "**, cast **" + report.totals.assetsWithCastFamily + "/" + report.totals.configuredActorAssets
      + "**, wound **" + report.totals.assetsWithWoundFamily + "/" + report.totals.configuredActorAssets
      + "**, death **" + report.totals.assetsWithExactDeath + "/" + report.totals.configuredActorAssets + "**.",
    "",
    "Native variants missing at least one standard family: **"
      + report.totals.nativeAssetsMissingAnyStandardFamily + "**; variants with a semantic-looking `Action - ...` near-miss: **"
      + report.totals.nativeAssetsWithSemanticNearMiss + "**.",
    "",
    "## Dungeon summary",
    "",
    "| Dungeon | Templates | Actors | Variants | Native | Procedural | Missing families | Suspicious clips |",
    "|---|---:|---:|---:|---:|---:|---:|---:|",
  ];
  for (const dungeon of report.dungeons) {
    lines.push("| " + dungeon.dungeonId + " | " + [
      dungeon.configuredTemplates,
      dungeon.configuredBaseActors,
      dungeon.configuredActorAssets,
      dungeon.nativeActorAssets,
      dungeon.proceduralActorAssets,
      dungeon.templatesMissingRuntimeRequiredFamily,
      dungeon.suspiciousClips.length,
    ].join(" | ") + " |");
  }
  lines.push(
    "",
    "## Per-asset visual sample plan",
    "",
    "Every configured manifest variant is listed, including appearance/equipment variants sharing a base rig.",
    "",
    "| Dungeon | Asset | Mode | Idle (first) | Moving (first) | Attack rotation | Cast rotation | Wound rotation | Death selector rotation | Dead base (first) | Flags |",
    "|---|---|---|---|---|---|---|---|---|---|---|",
  );
  for (const dungeon of report.dungeons) {
    const plans = report.samplePlanByDungeonAndAsset[dungeon.dungeonId];
    for (const plan of Object.values(plans)) {
      lines.push("| " + dungeon.dungeonId + " | " + plan.assetId + " | " + plan.animationMode + " | "
        + (plan.base.idle?.clip?.name ?? "—") + " | "
        + (plan.base.moving?.clip?.name ?? "—") + " | "
        + markdownClipList(plan.combat.attack) + " | "
        + markdownClipList(plan.combat.cast) + " | "
        + markdownClipList(plan.combat.wound) + " | "
        + markdownClipList(plan.combat.death) + " | "
        + (plan.base.dead?.clip?.name ?? "—") + " | "
        + (plan.flags.length ? plan.flags.join("<br>") : "—") + " |");
    }
  }
  lines.push(
    "",
    "## Every configured template",
    "",
    "| Dungeon | Template | Kind | Actor | Runtime asset | Attack events | Required native families | Missing |",
    "|---|---|---|---|---|---|---|---|",
  );
  for (const template of report.templates) {
    lines.push("| " + template.dungeonId + " | " + template.templateId + " " + template.name + " | "
      + template.classification + " | " + template.actorId + " | "
      + (template.runtimeAssetId ?? "not instantiated") + " | "
      + (template.attackAnimationKinds.length ? template.attackAnimationKinds.join(", ") : "none") + " | "
      + template.requiredNativeFamilies.join(", ") + " | "
      + (template.missingRuntimeRequiredFamilies.length ? template.missingRuntimeRequiredFamilies.join(", ") : "—") + " |");
  }
  lines.push(
    "",
    "## Suspicious and unreachable clips",
    "",
  );
  if (!report.suspiciousClips.length) lines.push("No suspicious clips found.");
  else for (const issue of report.suspiciousClips) {
    lines.push("- `" + issue.dungeonId + ":" + issue.assetId + "` `" + issue.clip + "` ["
      + issue.code + "] " + issue.message);
  }
  lines.push(
    "",
    "## Pasper goatman pre-fix versus repaired diagnostic",
    "",
    "The retained same-camera bind screenshots give a reproducible color-silhouette signal. The broken bind width was **"
      + report.pasperGoatmanDiagnostics.comparison.preFixToFixedBindWidthRatio
      + "×** the repaired width, while height was **"
      + report.pasperGoatmanDiagnostics.comparison.preFixToFixedBindHeightRatio
      + "×**. The widest repaired idle/run/attack sample was **"
      + report.pasperGoatmanDiagnostics.comparison.maximumFixedAnimationToBindWidthRatio
      + "×** repaired bind width.",
    "",
    "Recommended automated thresholds:",
    "",
  );
  for (const threshold of report.recommendedDeformationThresholds) {
    lines.push("- **" + threshold.metric + "**: warn at " + threshold.warning + "; fail at "
      + threshold.failure + ". " + threshold.reason);
  }
  lines.push(
    "",
    "## Limitations",
    "",
  );
  for (const limitation of report.limitations) lines.push("- " + limitation);
  return lines.join("\n") + "\n";
}

const selectorBytes = await readFile(runtimeSelectorFile);
const consumerBytes = await readFile(runtimeConsumerFile);
const selectorSource = selectorBytes.toString("utf8");
const consumerSource = consumerBytes.toString("utf8");
const runtimeContractChecks = validateRuntimeContract(selectorSource, consumerSource);
const recipeFiles = (await readdir(recipeRoot))
  .filter((file) => file.endsWith("-population.json"))
  .sort();
const dungeons = [];
const templates = [];
const suspiciousClips = [];
const samplePlanByDungeonAndAsset = {};
const configuredActorKeys = new Set();

for (const recipeName of recipeFiles) {
  const recipeFile = path.join(recipeRoot, recipeName);
  const recipe = await readJson(recipeFile);
  const configuredTemplates = recipe.templates.filter((template) => ["combat", "boss"].includes(template.classification));
  const configuredActorIds = new Set(configuredTemplates.map((template) => template.actor).filter(Boolean));
  const actors = new Map(recipe.actors.map((actor) => [actor.id, actor]));
  const manifestFile = path.resolve(projectRoot, recipe.files.actorManifest);
  const manifest = await readJson(manifestFile);
  const generatedFile = path.resolve(projectRoot, recipe.files.generatedSource);
  const generatedSource = await readFile(generatedFile, "utf8");
  const prefix = constantCase(recipe.dungeonId);
  const entities = generatedJson(generatedSource, prefix + "_ENTITIES", " as const satisfies PopulationDefinitionMap;");
  const manifestAssets = (manifest.assets ?? []).filter((asset) => configuredActorIds.has(asset.baseActorId ?? asset.id));
  const assetByUrl = new Map(manifestAssets.map((asset) => [asset.url, asset]));
  const assetsByActor = new Map();
  for (const asset of manifestAssets) {
    const actorId = asset.baseActorId ?? asset.id;
    const selected = assetsByActor.get(actorId) ?? [];
    selected.push(asset);
    assetsByActor.set(actorId, selected);
  }
  const attackKindsByActor = new Map([...configuredActorIds].map((actorId) => [actorId, new Set()]));
  for (const template of configuredTemplates) {
    const entityId = recipe.runtimeIdPrefix + "-" + template.id;
    const entity = entities[entityId] ?? null;
    for (const attack of entity?.combat?.attacks ?? []) {
      if (["attack", "cast"].includes(attack.animation)) attackKindsByActor.get(template.actor)?.add(attack.animation);
    }
  }

  const plans = {};
  for (const asset of manifestAssets) {
    const actorId = asset.baseActorId ?? asset.id;
    const actor = actors.get(actorId);
    const glb = await inspectGlb(asset.url);
    const manifestNames = [...(asset.animations ?? [])];
    const glbNames = glb.animations.map((animation) => animation.name);
    const metadataByName = new Map(glb.animations.map((animation) => [animation.name, animation]));
    const idle = resolveBaseClip(manifestNames, "idle");
    const moving = resolveBaseClip(manifestNames, "moving");
    const dead = resolveBaseClip(manifestNames, "dead");
    const attack = familyPlan(manifestNames, metadataByName, "attack");
    const cast = familyPlan(manifestNames, metadataByName, "cast");
    const wound = familyPlan(manifestNames, metadataByName, "wound");
    const death = familyPlan(manifestNames, metadataByName, "death");
    const nearMisses = semanticNearMisses(manifestNames);
    const actorAttackKinds = [...(attackKindsByActor.get(actorId) ?? [])].sort();
    const animationMode = actor?.animationException?.kind === "pose-only" ? "procedural" : "native";
    const flags = [];
    if (manifestNames.join("\n") !== glbNames.join("\n")) flags.push("manifest-glb-clip-order-mismatch");
    if (!idle?.exact) flags.push("missing-exact-idle");
    if (!moving?.exact) flags.push("missing-exact-moving");
    if (!dead?.exact) flags.push("missing-exact-death");
    if (!wound.clips.length) flags.push("missing-wound");
    for (const kind of actorAttackKinds) {
      if (!(kind === "attack" ? attack : cast).clips.length) flags.push("missing-configured-" + kind);
    }
    const standardFamilyGaps = [
      !idle?.exact ? "idle" : null,
      !moving?.exact ? "moving" : null,
      !attack.clips.length ? "attack" : null,
      !cast.clips.length ? "cast" : null,
      !wound.clips.length ? "wound" : null,
      !dead?.exact ? "death" : null,
    ].filter(Boolean);
    for (const family of standardFamilyGaps) flags.push("standard-family-missing:" + family);
    for (const family of standardFamilyGaps) {
      if (nearMisses[family]?.length) flags.push("semantic-near-miss:" + family);
    }
    if (animationMode === "procedural") flags.push("documented-pose-only-procedural-mode");
    const selectedNames = new Set([
      idle?.name, moving?.name, dead?.name,
      ...attack.clips.map((clip) => clip.name),
      ...cast.clips.map((clip) => clip.name),
      ...wound.clips.map((clip) => clip.name),
      ...death.clips.map((clip) => clip.name),
    ].filter(Boolean));
    for (const animation of glb.animations) {
      const selectorVisible = selectedNames.has(animation.name);
      if (animation.singleFrame) {
        suspiciousClips.push({
          dungeonId: recipe.dungeonId,
          actorId,
          assetId: asset.id,
          clip: animation.name,
          code: selectorVisible ? "selector-visible-single-frame" : "unreachable-single-frame",
          message: (selectorVisible ? "A selector-visible" : "A currently unreachable") + " clip has "
            + animation.maximumKeyframes + " keyframe(s) over " + animation.durationSeconds + " seconds.",
        });
      } else if (/^Terminal Pose\b/i.test(animation.name)) {
        suspiciousClips.push({
          dungeonId: recipe.dungeonId,
          actorId,
          assetId: asset.id,
          clip: animation.name,
          code: "terminal-pose-not-runtime-classified",
          message: "The exported terminal pose is intentionally not classified by the current base or death one-shot selectors; the full Death clip supplies runtime death.",
        });
      } else if (animation.durationSeconds < 0.1 && selectorVisible) {
        suspiciousClips.push({
          dungeonId: recipe.dungeonId,
          actorId,
          assetId: asset.id,
          clip: animation.name,
          code: "selector-visible-short-clip",
          message: "A selector-visible clip is shorter than 0.1 seconds.",
        });
      }
    }
    const templateIds = configuredTemplates.filter((template) => template.actor === actorId).map((template) => template.id);
    if (plans[asset.id]) throw new Error("Duplicate configured asset id in " + recipe.dungeonId + ": " + asset.id);
    plans[asset.id] = {
      dungeonId: recipe.dungeonId,
      actorId,
      assetId: asset.id,
      baseActorId: asset.baseActorId ?? asset.id,
      appearanceSignature: asset.appearanceSignature ?? null,
      templateIds,
      url: asset.url,
      glb: glb.file,
      glbSha256: glb.fileSha256,
      animationMode,
      configuredAttackAnimationKinds: actorAttackKinds,
      standardFamilyGaps,
      semanticNearMisses: nearMisses,
      manifestIsAuthoritative: true,
      manifestClipCount: manifestNames.length,
      manifestAnimations: manifestNames,
      manifestGlbExactOrderMatch: manifestNames.join("\n") === glbNames.join("\n"),
      base: {
        idle: idle ? { ...idle, clip: clipDetail(idle.name, metadataByName) } : null,
        moving: moving ? { ...moving, clip: clipDetail(moving.name, metadataByName) } : null,
        dead: dead ? { ...dead, clip: clipDetail(dead.name, metadataByName) } : null,
      },
      combat: { attack, cast, wound, death },
      runtimeNotes: {
        idleAndMovingVariantRotation: false,
        attackCastWoundVariantRotation: true,
        deathCombatSelectorInvokedByMobPopulation: false,
        deathBasePlaysOnceAndClamps: true,
      },
      flags,
    };
  }
  samplePlanByDungeonAndAsset[recipe.dungeonId] = plans;

  let templatesMissingRuntimeRequiredFamily = 0;
  for (const template of configuredTemplates) {
    const entityId = recipe.runtimeIdPrefix + "-" + template.id;
    const entity = entities[entityId] ?? null;
    const runtimeAsset = entity?.visual?.model?.url ? assetByUrl.get(entity.visual.model.url) ?? null : null;
    const actorAssets = assetsByActor.get(template.actor) ?? [];
    const attackAnimationKinds = [...new Set((entity?.combat?.attacks ?? [])
      .map((attack) => attack.animation)
      .filter((animation) => ["attack", "cast"].includes(animation)))].sort();
    const requiredNativeFamilies = ["idle", "moving", ...attackAnimationKinds, "wound", "death"];
    const selectedPlan = runtimeAsset ? plans[runtimeAsset.id] : null;
    const missingRuntimeRequiredFamilies = [];
    if (!selectedPlan?.base.idle?.exact) missingRuntimeRequiredFamilies.push("idle");
    if (!selectedPlan?.base.moving?.exact) missingRuntimeRequiredFamilies.push("moving");
    for (const kind of attackAnimationKinds) {
      if (!selectedPlan?.combat[kind]?.clips.length) missingRuntimeRequiredFamilies.push(kind);
    }
    if (!selectedPlan?.combat.wound.clips.length) missingRuntimeRequiredFamilies.push("wound");
    if (!selectedPlan?.base.dead?.exact) missingRuntimeRequiredFamilies.push("death");
    if (missingRuntimeRequiredFamilies.length) templatesMissingRuntimeRequiredFamily += 1;
    templates.push({
      dungeonId: recipe.dungeonId,
      templateId: template.id,
      entityId: entity?.id ?? null,
      name: template.name,
      classification: template.classification,
      actorId: template.actor,
      configuredActorAssetIds: actorAssets.map((asset) => asset.id),
      runtimeAssetId: runtimeAsset?.id ?? null,
      runtimeAssetUrl: runtimeAsset?.url ?? entity?.visual?.model?.url ?? null,
      animationMode: entity?.visual?.model?.animationMode ?? (actors.get(template.actor)?.animationException ? "procedural" : "native"),
      attackAnimationKinds,
      requiredNativeFamilies,
      missingRuntimeRequiredFamilies,
      proceduralFallbackCoversMissingCombatPresentation: missingRuntimeRequiredFamilies.length > 0,
    });
  }

  const dungeonSuspicious = suspiciousClips.filter((issue) => issue.dungeonId === recipe.dungeonId);
  const proceduralActorAssets = Object.values(plans).filter((plan) => plan.animationMode === "procedural").length;
  dungeons.push({
    dungeonId: recipe.dungeonId,
    recipe: slash(recipeFile),
    manifest: slash(manifestFile),
    manifestStatus: manifest.status,
    configuredTemplates: configuredTemplates.length,
    configuredBaseActors: configuredActorIds.size,
    configuredActorAssets: manifestAssets.length,
    nativeActorAssets: manifestAssets.length - proceduralActorAssets,
    proceduralActorAssets,
    templatesMissingRuntimeRequiredFamily,
    suspiciousClips: dungeonSuspicious,
  });
  for (const actorId of configuredActorIds) configuredActorKeys.add(recipe.dungeonId + ":" + actorId);
}

templates.sort((left, right) => left.dungeonId.localeCompare(right.dungeonId)
  || String(left.templateId).localeCompare(String(right.templateId), undefined, { numeric: true }));
suspiciousClips.sort((left, right) => left.dungeonId.localeCompare(right.dungeonId)
  || left.assetId.localeCompare(right.assetId) || left.clip.localeCompare(right.clip));

const totals = {
  dungeons: dungeons.length,
  configuredTemplates: templates.length,
  configuredBaseActors: configuredActorKeys.size,
  configuredActorAssets: dungeons.reduce((sum, dungeon) => sum + dungeon.configuredActorAssets, 0),
  nativeActorAssets: dungeons.reduce((sum, dungeon) => sum + dungeon.nativeActorAssets, 0),
  proceduralActorAssets: dungeons.reduce((sum, dungeon) => sum + dungeon.proceduralActorAssets, 0),
  templatesMissingRuntimeRequiredFamily: templates.filter((template) => template.missingRuntimeRequiredFamilies.length).length,
  selectorVisibleSingleFrameClips: suspiciousClips.filter((issue) => issue.code === "selector-visible-single-frame").length,
  unreachableSingleFrameClips: suspiciousClips.filter((issue) => issue.code === "unreachable-single-frame").length,
  terminalPoseClipsNotRuntimeClassified: suspiciousClips.filter((issue) => issue.code === "terminal-pose-not-runtime-classified").length,
};
const allAssetPlans = Object.values(samplePlanByDungeonAndAsset).flatMap((plans) => Object.values(plans));
Object.assign(totals, {
  assetsWithExactIdle: allAssetPlans.filter((plan) => plan.base.idle?.exact).length,
  assetsWithExactMoving: allAssetPlans.filter((plan) => plan.base.moving?.exact).length,
  assetsWithAttackFamily: allAssetPlans.filter((plan) => plan.combat.attack.clips.length).length,
  assetsWithCastFamily: allAssetPlans.filter((plan) => plan.combat.cast.clips.length).length,
  assetsWithWoundFamily: allAssetPlans.filter((plan) => plan.combat.wound.clips.length).length,
  assetsWithExactDeath: allAssetPlans.filter((plan) => plan.base.dead?.exact).length,
  nativeAssetsMissingAnyStandardFamily: allAssetPlans.filter((plan) => (
    plan.animationMode === "native" && plan.standardFamilyGaps.length
  )).length,
  nativeAssetsWithSemanticNearMiss: allAssetPlans.filter((plan) => (
    plan.animationMode === "native" && plan.standardFamilyGaps.some((family) => plan.semanticNearMisses[family]?.length)
  )).length,
});
const report = {
  schemaVersion: 1,
  status: totals.templatesMissingRuntimeRequiredFamily || totals.selectorVisibleSingleFrameClips ? "review" : "pass",
  generatedAt: new Date().toISOString(),
  authority: {
    manifestAnimations: "authoritative for clip order and selector input",
    glbJson: "cross-check and duration/channel/keyframe metadata",
    runtimeSelector: slash(runtimeSelectorFile),
    runtimeConsumer: slash(runtimeConsumerFile),
    runtimeSelectorSha256: sha256(selectorBytes),
    runtimeConsumerSha256: sha256(consumerBytes),
    contractChecks: runtimeContractChecks,
  },
  totals,
  dungeons,
  templates,
  samplePlanByDungeonAndAsset,
  suspiciousClips,
  pasperGoatmanDiagnostics: await pasperDiagnostics(),
  recommendedDeformationThresholds: [
    {
      metric: "Pasper goatman same-camera silhouette width / repaired bind width",
      warning: "> 1.85x",
      failure: "> 2.00x",
      reason: "Repaired sampled motion peaks at 1.70x; the retained broken bind is 2.12x.",
    },
    {
      metric: "Bind-pose AABB extent versus static/unskinned reference (each axis)",
      warning: "> 1.05x or < 0.95x",
      failure: "> 1.10x or < 0.90x",
      reason: "A bind pose should reproduce the source mesh; normal animation amplitude is irrelevant to this comparison.",
    },
    {
      metric: "Sampled skinned triangle-edge length / bind triangle-edge length",
      warning: "p99 > 1.35x or max > 2.00x",
      failure: "p99 > 1.60x or max > 2.50x",
      reason: "Catches isolated vertex-to-bone or inverse-bind failures while tolerating ordinary linear-skinning stretch.",
    },
    {
      metric: "Sampled vertex distance from bind center / bind bounding-sphere radius",
      warning: "max > 2.00x",
      failure: "max > 2.50x",
      reason: "Catches exploded limbs and seam spikes; review winged or intentionally telescoping actors separately.",
    },
    {
      metric: "Finite sampled transforms and normalized quaternions",
      warning: "|quaternion length - 1| > 0.001",
      failure: "any NaN/Infinity or |quaternion length - 1| > 0.01",
      reason: "The Pasper repair involved skeletal transform integrity; invalid or non-unit rotations must fail before rendering.",
    },
  ],
  limitations: [
    "This audit proves selector reachability and clip metadata, not visual correctness of all 322 actor variants. The generated sample plan is the input contract for the Blender/browser pose-audit subprocess.",
    "GLB accessor min/max values expose duration and keyframe counts without decoding meshopt streams; vertex-space deformation thresholds still need the pose-audit renderer or a meshopt-aware sampler.",
    "A template with no active runtime entity cannot identify one appearance variant as its runtime asset; every manifest variant for its configured base actor remains in the per-asset sample plan.",
    "Terminal Pose - dead exports are retained as forensic/pose data but are not currently runtime-classified. Runtime dead state selects the full Death/Drown clip and clamps it.",
  ],
};

await mkdir(artifactRoot, { recursive: true });
await writeFile(jsonFile, JSON.stringify(report, null, 2) + "\n", "utf8");
await writeFile(markdownFile, markdown(report), "utf8");
console.log("Wrote " + slash(jsonFile));
console.log("Wrote " + slash(markdownFile));
console.log(JSON.stringify({ status: report.status, totals }, null, 2));