import assert from "node:assert/strict";
import { test } from "node:test";
import { createHash } from "node:crypto";
import { loadReaderWorkspace } from "./reader-fixture.js";
import {
  compileExecutionPlan,
  checkExecutionWorld,
  checkedWorldDigest,
  implementationDigest,
  hexDigest,
  parsePackageArtifacts,
  artifactPath,
  type PackageArtifacts,
  type ExecutionPlan,
  type ArtifactImplementation,
} from "../src/execution-world/index.js";

import { buildArtifactFixture as buildFixture } from "./artifact-fixture.js";
const resign = (implementation: ArtifactImplementation) => {
  const { contentDigest, ...body } = implementation;
  implementation.contentDigest = implementationDigest(body);
};

test("reader execution plan closes selector storage and traversed interface dependencies", async () => {
  const workspace = await loadReaderWorkspace();
  const plan = compileExecutionPlan(workspace);
  assert.equal(plan.digest, compileExecutionPlan(structuredClone(workspace)).digest);
  assert.equal(plan.definition.owners.length, 5);
  const excerpt =
    plan.definition.operations.find((o) => o.operationId === "highlight:excerpt:get") ??
    plan.definition.operations.find((o) => o.binding.kind === "package" && o.binding.exportId === "reader:excerpt")!;
  assert.ok(excerpt.dependencies.some((d) => d.kind === "state" && d.slot === "slot:highlight:range"));
  assert.ok(
    excerpt.dependencies.some(
      (d) => d.kind === "edge" && d.edge === "edge:document-highlights" && d.projection === "projection:document",
    ),
  );
  const calls = excerpt.dependencies.filter((d) => d.kind === "operation");
  assert.equal(calls.length, 2);
  for (const call of calls) {
    assert.equal(call.via?.projectionId, "projection:document");
    const target = plan.definition.operations.find((o) => o.key === call.operation)!;
    assert.ok(target.dependencies.some((d) => d.kind === "state" && d.slot.startsWith("slot:document:")));
  }
  const admission = plan.definition.queries.find((q) => q.query.checked.declaration.displayName === "ReplicaInputs")!;
  assert.ok(admission.admittedOperations.includes(excerpt.key));
  assert.equal(plan.definition.profiles[0]!.profile, "camino-automerge-3.4.1-structured-v1");
  const factory = plan.definition.operations.find(
    (o) => o.binding.kind === "package" && o.binding.exportId === "reader:create-document",
  )!;
  assert.equal(factory.scope, "class");
  assert.ok(
    factory.binding.kind === "package" && factory.binding.dependencies.some((d) => d.binding.kind === "creation"),
  );
  assert.ok(plan.definition.owners.some((o) => Array.isArray(o.initialization) && o.initialization.length > 0));
});

test("artifact closure checks bytes, exact source/schema, ABI, exports and target coverage", async () => {
  const plan = compileExecutionPlan(await loadReaderWorkspace());
  const fixture = buildFixture(plan);
  const world = await checkExecutionWorld(plan, [fixture.manifest], fixture.read);
  assert.equal(world.artifacts.length, 3);
  assert.equal(
    checkedWorldDigest(world),
    checkedWorldDigest(await checkExecutionWorld(plan, [structuredClone(fixture.manifest)], fixture.read)),
  );
  const negative = async (change: (manifest: PackageArtifacts) => void, pattern: RegExp) => {
    const manifest = structuredClone(fixture.manifest);
    change(manifest);
    await assert.rejects(checkExecutionWorld(plan, [manifest], fixture.read), pattern);
  };
  await negative((m) => {
    m.bindingDigest = "0".repeat(64);
  }, /Substituted binding schema/);
  await negative((m) => {
    m.sourceDigest = "0".repeat(64);
  }, /source revision/);
  await negative((m) => {
    (m.versions as unknown as Record<string, string>).value = "v2";
  }, /Incompatible runtime codecs/);
  await negative((m) => {
    m.implementations = m.implementations.filter((i) => i.target !== "browser");
  }, /Missing browser implementation/);
  await negative((m) => {
    m.implementations = m.implementations.filter((i) => i.compatibility !== "quixos-service-v1");
  }, /Missing service fallback/);
  await negative((m) => {
    m.implementations[0]!.exports.push("wrong-export");
    resign(m.implementations[0]!);
  }, /Unknown export/);
  await negative((m) => {
    m.implementations[0]!.files[0]!.digest = "0".repeat(64);
    resign(m.implementations[0]!);
  }, /Artifact bytes/);
  await negative((m) => {
    m.implementations[0]!.exports.pop();
  }, /metadata digest mismatch/);
  await assert.rejects(
    checkExecutionWorld(plan, [fixture.manifest], async () => new Uint8Array([1])),
    /Artifact bytes/,
  );
  for (const path of ["/tmp/code", "../code", "a/../b", "a//b", "a\\b", "a%2fb", "a?query"])
    assert.throws(() => artifactPath(path), /normalized relative/);
  const changed = structuredClone(plan);
  changed.definition.versions.value = "wrong" as typeof changed.definition.versions.value;
  await assert.rejects(
    checkExecutionWorld(changed, [fixture.manifest], fixture.read),
    /Unsupported plan codec versions/,
  );
});

test("artifact identity changes when code or registry changes without hashing its own digest", async () => {
  const plan = compileExecutionPlan(await loadReaderWorkspace()),
    fixture = buildFixture(plan);
  const before = checkedWorldDigest(await checkExecutionWorld(plan, [fixture.manifest], fixture.read));
  const manifest = structuredClone(fixture.manifest);
  manifest.implementations[2]!.registryExport = "anotherRegistry";
  resign(manifest.implementations[2]!);
  const after = checkedWorldDigest(await checkExecutionWorld(plan, [manifest], fixture.read));
  assert.notEqual(before, after);
  assert.equal(parsePackageArtifacts(manifest).implementations[2]!.registryExport, "anotherRegistry");
  assert.equal(hexDigest(plan.definition), plan.digest);
});

test("transactions cannot derive their membership from an admitted presentation query", async () => {
  const workspace = await loadReaderWorkspace(),
    pkg = workspace.packageImports[0]!;
  const query = pkg.queries!.find((q) => q.placement?.kind === "local")!;
  const entry = pkg.exports.find((e) => e.id === "reader:add-highlight")!;
  const portId = "test:query-port" as (typeof entry.dependencyPorts)[number]["id"];
  entry.dependencyPorts.push({
    id: portId,
    displayName: "visible",
    requirement: { kind: "query", packageRevisionId: pkg.revisionId, queryId: query.id },
  });
  const bound = workspace.conformances
    .flatMap((c) => c.operationBindings)
    .find((o) => o.binding.kind === "package" && o.binding.exportId === entry.id)!.binding;
  assert.equal(bound.kind, "package");
  if (bound.kind !== "package") return;
  bound.dependencies.push({
    portId,
    binding: { kind: "query", packageRevisionId: pkg.revisionId, queryId: query.id, scope: "object" },
  });
  assert.throws(() => compileExecutionPlan(workspace), /QUERY_IN_TRANSACTION.*test:query-port/);
});

test("port ABI carries only declared port actions, never caller-selected storage IDs", async () => {
  const { checkPortInvocation } = await import("../src/execution-world/index.js");
  const frame = {
    abi: "quixos-transaction-ports-v1",
    frame: "frame1",
    invocation: "invoke1",
    sequence: 1,
    portId: "content",
    action: { kind: "state", primitive: "read" },
    input: { codec: "camino-value-v1", usage: "argument", value: null },
  };
  assert.deepEqual(checkPortInvocation(frame), frame);
  assert.throws(() => checkPortInvocation({ ...frame, slotId: "private" }), /fields or ABI/);
  assert.throws(
    () => checkPortInvocation({ ...frame, action: { kind: "state", primitive: "read", slotId: "private" } }),
    /Invalid port action/,
  );
  assert.throws(() => checkPortInvocation({ ...frame, sequence: NaN }), /sequence/);
  assert.throws(() => checkPortInvocation({ ...frame, action: { kind: "creation", key: "" } }), /Invalid port action/);
});

test("local queries cannot silently expand the replica relationship traversal", async () => {
  const workspace = await loadReaderWorkspace((name, text) =>
    name === "queries/replica-inputs.graphql" ? "query ReplicaInputs { root { sourceRevision content } }" : text,
  );
  assert.throws(() => compileExecutionPlan(workspace), /REPLICA_TRAVERSAL_MISSING/);
});

test("local relationships require complete source candidates even when a filter initially matches", async () => {
  for (const selection of ["highlights(first: 10)", 'highlights(all: 1000, where: {color: {eq: "yellow"}})']) {
    const workspace = await loadReaderWorkspace((name, text) =>
      name === "queries/replica-inputs.graphql" ? text.replace("highlights(all: 1000)", selection) : text,
    );
    assert.throws(() => compileExecutionPlan(workspace), /REPLICA_RELATION_INCOMPLETE/);
  }
});

test("closed generic applications retain distinct identities and codec shapes", async () => {
  const { compileCapabilityResourceSource, compileCapabilitySource } =
    await import("../src/capability-language/index.js");
  const source = { repository: "https://example.test/generic.git", commit: "a".repeat(40) };
  const definition = compileCapabilityResourceSource(
    `interface Cell<value V : storable> id "cell" revision "cell@1" {
    value content id "value" : V { get id "get" execution snapshot targets [browser, server]; }
  }`,
    { source },
  );
  assert.ok(definition.ok && definition.resource.kind === "interface", JSON.stringify(definition.diagnostics));
  const compiled = compileCapabilitySource(
    `workspace Demo id "ws" revision "ws@1" commit "${source.commit}" {
    import interface Cell; atom Item id "item";
    conform Item as Cell<string> id "text-owner" { private state Text id "text-slot" on Item : string policy register; bind content.get to state Text.read; }
    conform Item as Cell<int64> id "number-owner" { private state Number id "number-slot" on Item : int64 policy register; bind content.get to state Number.read; }
  }`,
    "workspace.qx",
    { interfaces: new Map([["Cell", definition.resource.revision]]) },
  );
  assert.ok(compiled.ok, JSON.stringify(compiled.diagnostics));
  const plan = compileExecutionPlan(compiled.workspace);
  assert.equal(plan.definition.operations.length, 2);
  assert.notEqual(
    plan.definition.operations[0]!.interfaceRevisionId,
    plan.definition.operations[1]!.interfaceRevisionId,
  );
  assert.deepEqual(
    new Set(plan.definition.operations.map((o) => (o.output.kind === "scalar" ? o.output.name : null))),
    new Set(["string", "int64"]),
  );
  assert.ok(plan.definition.bindingSchema.interfaces.every((i) => i.application));
});

test("unbound portable exports cannot claim an unsupported transport codec", async () => {
  const workspace = await loadReaderWorkspace();
  workspace.packageImports[0]!.exports.find((e) => e.id === "reader:validate-range")!.outputType = {
    kind: "message",
    descriptorId: "opaque-message",
  };
  assert.throws(() => compileExecutionPlan(workspace), /UNSUPPORTED_PORTABLE_CODEC.*reader:validate-range/);
});

test("query dependencies propagate target requirements through selected getters", async () => {
  const workspace = await loadReaderWorkspace(),
    pkg = workspace.packageImports[0]!;
  const query = pkg.queries!.find((q) => q.displayName === "HighlightList")!;
  const entry = pkg.exports.find((e) => e.id === "reader:excerpt")!;
  const portId = "test:selector-query" as (typeof entry.dependencyPorts)[number]["id"];
  entry.dependencyPorts.push({
    id: portId,
    displayName: "visible",
    requirement: { kind: "query", packageRevisionId: pkg.revisionId, queryId: query.id },
  });
  const bound = workspace.conformances
    .flatMap((c) => c.operationBindings)
    .find((o) => o.binding.kind === "package" && o.binding.exportId === entry.id)!.binding;
  assert.equal(bound.kind, "package");
  if (bound.kind !== "package") return;
  bound.dependencies.push({
    portId,
    binding: { kind: "query", packageRevisionId: pkg.revisionId, queryId: query.id, scope: "workspace" },
  });
  compileExecutionPlan(workspace);
  const field = workspace.interfaceImports
    .find((i) => i.displayName === "HighlightData")!
    .members.find((m) => m.displayName === "color")!;
  field.operations.find((o) => o.displayName === "get")!.execution = { kind: "snapshot", targets: ["browser"] };
  assert.throws(() => compileExecutionPlan(workspace), /MISSING_EXECUTION_TARGET.*test:selector-query.*server/);
});