import assert from "node:assert/strict";
import { test } from "node:test";
import { readFile } from "node:fs/promises";
import { resolve } from "node:path";
import {
  compileCapabilityResourceSource,
  compileCapabilitySource,
  formatQx,
} from "../src/capability-language/index.js";
import type { InterfaceRevision } from "../src/capability-model/types.js";
import { compileQuery } from "../src/query/compile.js";
import { linkQueries } from "../src/query/link.js";
const directory = resolve("test/fixtures/local-first-reader");
const read = (name: string) => readFile(resolve(directory, name), "utf8");
const source = { repository: "https://example.test/reader.git", commit: "a".repeat(40) };
const load = async (transform = (name: string, text: string) => text) => {
  const interfaces = new Map<string, InterfaceRevision>();
  for (const name of ["DocumentData", "HighlightData", "CommentData", "DocumentActions", "DocumentFactory"]) {
    const text = transform(`${name}.qx`, await read(`${name}.qx`));
    const result = compileCapabilityResourceSource(formatQx(text), { source });
    assert.ok(result.ok && result.resource.kind === "interface", `${name}: ${JSON.stringify(result.diagnostics)}`);
    interfaces.set(name, result.resource.revision);
  }
  const environment = { interfaces, interfaceClosure: [...interfaces.values()] };
  const pkg = compileCapabilityResourceSource(formatQx(transform("ReaderRuntime.qx", await read("ReaderRuntime.qx"))), {
    source,
    environment,
  });
  assert.ok(pkg.ok && pkg.resource.kind === "package", JSON.stringify(pkg.diagnostics));
  const revision = pkg.resource.revision;
  revision.checkedQueries = await Promise.all(
    revision.queries!.map((query) => compileQuery(query, [...interfaces.values()], read)),
  );
  const result = compileCapabilitySource(formatQx(await read("workspace.qx")), "workspace.qx", {
    ...environment,
    packages: new Map([["ReaderRuntime", revision]]),
    packageClosure: [revision],
  });
  assert.ok(result.ok, JSON.stringify(result.diagnostics));
  return result.workspace;
};
test("complete reader contracts compose factories, portable selectors, CRDT edits, and six query scopes", async () => {
  const workspace = await load();
  assert.equal(workspace.constructors.length, 0);
  assert.equal(workspace.atoms.length, 3);
  const linked = linkQueries(workspace);
  assert.equal(linked.length, 6);
  assert.equal(linked.filter((q) => q.checked.declaration.placement?.kind === "local").length, 3);
  const screen = linked.find((q) => q.checked.declaration.displayName === "ReaderScreen")!;
  assert.ok(screen.fields.some((f) => f.memberId === "highlight:excerpt" && f.binding.kind === "package"));
  assert.ok(screen.fields.some((f) => f.memberId === "comment:content" && f.binding.kind === "state"));
  assert.equal(
    linked.find((q) => q.checked.declaration.displayName === "HighlightEditorInputs")!.checked.declaration.root.kind,
    "object",
  );
  assert.equal(
    linked.find((q) => q.checked.declaration.displayName === "HighlightScope")!.checked.declaration.root.kind,
    "workspace-interface",
  );
});

test("reader composition reports the dependency that weakens a portable promise", async () => {
  await assert.rejects(
    load((name, text) =>
      name === "ReaderRuntime.qx"
        ? text.replace(/(operation excerpt[\s\S]*?targets )\[browser, server\]/, "$1[server]")
        : text,
    ),
    /does not provide execution target browser/,
  );
  await assert.rejects(
    load((name, text) =>
      name === "ReaderRuntime.qx"
        ? text.replace(
            "using [sourceRevision.get, content.get];",
            "using [sourceRevision.get, content.get, highlights.connect];",
          )
        : text,
    ),
    /Snapshot execution cannot perform a transaction/,
  );
});

test("a field can remain server-queryable while failing local query placement", async () => {
  const workspace = await load();
  const pkg = workspace.packageImports[0]!;
  const highlight = workspace.interfaceImports.find((i) => i.displayName === "HighlightData")!;
  const field = highlight.members.find((m) => m.displayName === "color")!;
  delete field.operations[0]!.execution;
  const admission = pkg.queries!.find((q) => q.displayName === "HighlightScope")!;
  const local = pkg.queries!.find((q) => q.displayName === "HighlightList")!;
  await compileQuery(admission, workspace.interfaceImports, read);
  await assert.rejects(
    compileQuery(local, workspace.interfaceImports, read),
    /browser snapshot getter for HighlightData.color/,
  );
});