import fs from "node:fs";
import path from "node:path";
import { afterEach, describe, expect, it } from "vitest";
import { pinIosVersion, parseArgs } from "../../scripts/ios-pin-version.ts";
import { resolveIosVersion } from "../../scripts/lib/ios-version.ts";
import { cleanupTempDirs, makeTempDir } from "../helpers/temp-dir.js";

const tempDirs: string[] = [];

function writeIosFixture(params: {
  version: string;
  changelog: string;
  packageVersion?: string;
  releaseNotes?: string;
  versionXcconfig?: string;
}) {
  const rootDir = makeTempDir(tempDirs, "openclaw-ios-pin-");
  fs.mkdirSync(path.join(rootDir, "apps", "ios", "Config"), { recursive: true });
  fs.mkdirSync(path.join(rootDir, "apps", "ios", "fastlane", "metadata", "en-US"), {
    recursive: true,
  });
  fs.writeFileSync(
    path.join(rootDir, "package.json"),
    `${JSON.stringify({ version: params.packageVersion ?? "2026.4.6" }, null, 2)}\n`,
    "utf8",
  );
  fs.writeFileSync(
    path.join(rootDir, "apps", "ios", "version.json"),
    `${JSON.stringify({ version: params.version }, null, 2)}\n`,
    "utf8",
  );
  fs.writeFileSync(path.join(rootDir, "apps", "ios", "CHANGELOG.md"), params.changelog, "utf8");
  fs.writeFileSync(
    path.join(rootDir, "apps", "ios", "Config", "Version.xcconfig"),
    params.versionXcconfig ?? "",
    "utf8",
  );
  fs.writeFileSync(
    path.join(rootDir, "apps", "ios", "fastlane", "metadata", "en-US", "release_notes.txt"),
    params.releaseNotes ?? "",
    "utf8",
  );
  return rootDir;
}

afterEach(() => {
  cleanupTempDirs(tempDirs);
});

describe("parseArgs", () => {
  it("requires exactly one pin source", () => {
    expect(() => parseArgs([])).toThrow(
      "Choose exactly one of --from-gateway or --version <YYYY.M.D>",
    );
    expect(() => parseArgs(["--from-gateway", "--version", "2026.4.7"])).toThrow(
      "Choose exactly one of --from-gateway or --version <YYYY.M.D>",
    );
  });
});

describe("pinIosVersion", () => {
  it("pins an explicit iOS release version and syncs generated artifacts", () => {
    const rootDir = writeIosFixture({
      version: "2026.4.6",
      changelog: `# OpenClaw iOS Changelog

## Unreleased

- Draft release notes.
`,
    });

    const result = pinIosVersion({
      explicitVersion: "2026.4.7",
      fromGateway: false,
      rootDir,
      sync: true,
    });

    expect(result.previousVersion).toBe("2026.4.6");
    expect(result.nextVersion).toBe("2026.4.7");
    expect(result.packageVersion).toBeNull();
    expect(resolveIosVersion(rootDir).canonicalVersion).toBe("2026.4.7");
    expect(fs.readFileSync(path.join(rootDir, "apps", "ios", "version.json"), "utf8")).toContain(
      '"version": "2026.4.7"',
    );
    expect(
      fs.readFileSync(path.join(rootDir, "apps", "ios", "Config", "Version.xcconfig"), "utf8"),
    ).toContain("OPENCLAW_MARKETING_VERSION = 2026.4.7");
    expect(
      fs.readFileSync(
        path.join(rootDir, "apps", "ios", "fastlane", "metadata", "en-US", "release_notes.txt"),
        "utf8",
      ),
    ).toContain("- Draft release notes.");
    expect(result.syncedPaths).toHaveLength(2);
  });

  it("pins from the current gateway version without carrying prerelease suffixes", () => {
    const rootDir = writeIosFixture({
      version: "2026.4.6",
      packageVersion: "2026.4.10-beta.3",
      changelog: `# OpenClaw iOS Changelog

## Unreleased

- Candidate release notes.
`,
    });

    const result = pinIosVersion({
      explicitVersion: null,
      fromGateway: true,
      rootDir,
      sync: true,
    });

    expect(result.previousVersion).toBe("2026.4.6");
    expect(result.nextVersion).toBe("2026.4.10");
    expect(result.packageVersion).toBe("2026.4.10-beta.3");
    expect(resolveIosVersion(rootDir).marketingVersion).toBe("2026.4.10");
  });

  it("can skip syncing checked-in artifacts when requested", () => {
    const rootDir = writeIosFixture({
      version: "2026.4.6",
      changelog: `# OpenClaw iOS Changelog

## Unreleased

- Candidate release notes.
`,
      versionXcconfig: "stale\n",
      releaseNotes: "stale\n",
    });

    const result = pinIosVersion({
      explicitVersion: "2026.4.8",
      fromGateway: false,
      rootDir,
      sync: false,
    });

    expect(result.syncedPaths).toHaveLength(0);
    expect(
      fs.readFileSync(path.join(rootDir, "apps", "ios", "Config", "Version.xcconfig"), "utf8"),
    ).toBe("stale\n");
  });
});