import { readFile } from "node:fs/promises";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { describe, expect, it } from "vitest";
import { parse } from "yaml";

interface ComposeService {
  environment?: Record<string, string>;
  healthcheck?: unknown;
  image?: string;
  ports?: string[];
  volumes?: string[];
}

interface ComposeDocument {
  services?: Record<string, ComposeService>;
  volumes?: Record<string, unknown>;
}

interface PackageDocument {
  scripts?: Record<string, string>;
}

interface TurboDocument {
  tasks?: Record<string, unknown>;
}

interface WorkspaceDocument {
  packages?: string[];
}

const repositoryRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");

describe("development infrastructure", () => {
  it("has valid, local-only, version-pinned Compose services", async () => {
    const source = await readFile(
      path.join(repositoryRoot, "infrastructure", "compose.yaml"),
      "utf8",
    );
    const compose = parse(source) as ComposeDocument;
    const postgres = compose.services?.postgres;
    const objectStorage = compose.services?.["object-storage"];

    expect(postgres?.image).toBe("postgres:18.4-alpine3.24");
    expect(objectStorage?.image).toBe("chrislusf/seaweedfs:4.28");
    expect(postgres?.healthcheck).toBeDefined();
    expect(objectStorage?.healthcheck).toBeDefined();
    expect(postgres?.environment?.POSTGRES_INITDB_ARGS).toContain("--auth-host=scram-sha-256");

    for (const service of [postgres, objectStorage]) {
      expect(service).toBeDefined();
      expect(service?.image).not.toMatch(/:latest$/u);
      expect(service?.ports?.every((port) => port.startsWith("127.0.0.1:"))).toBe(true);
      expect(service?.volumes?.length).toBeGreaterThan(0);
    }

    expect(compose.volumes).toHaveProperty("postgres-data");
    expect(compose.volumes).toHaveProperty("object-storage-data");
  });

  it("has a parseable CI workflow with static and live infrastructure gates", async () => {
    const source = await readFile(
      path.join(repositoryRoot, ".github", "workflows", "ci.yml"),
      "utf8",
    );
    const workflow = parse(source) as {
      jobs?: {
        "infrastructure-smoke"?: { steps?: Array<{ run?: string }> };
        verify?: { steps?: Array<{ run?: string }> };
      };
    };
    const commands = workflow.jobs?.verify?.steps?.flatMap((step) => step.run ?? []) ?? [];
    const infrastructureCommands =
      workflow.jobs?.["infrastructure-smoke"]?.steps?.flatMap((step) => step.run ?? []) ?? [];

    expect(workflow.jobs?.verify).toBeDefined();
    expect(commands).toContain("pnpm install --frozen-lockfile");
    expect(commands).toContain("pnpm ci:verify");
    expect(infrastructureCommands).toContain("bash scripts/smoke-infrastructure.sh");
  });

  it("routes containerized S3 smoke checks through the isolated Compose network", async () => {
    const source = await readFile(
      path.join(repositoryRoot, "scripts", "smoke-infrastructure.sh"),
      "utf8",
    );

    expect(source).toContain("[[ -f /.dockerenv ]]");
    expect(source).toContain(`object_storage_container="$("\${compose[@]}" ps -q object-storage)"`);
    expect(source).toContain("docker inspect");
    expect(source).toContain('docker network connect "$compose_network" "$current_container"');
    expect(source).toContain('docker network disconnect "$compose_network" "$current_container"');
    expect(source).toContain('s3_endpoint="http://object-storage:8333"');
    expect(source).toContain('s3_endpoint="http://127.0.0.1:$s3_port"');
    expect(source).not.toContain("0.0.0.0:${S3_PORT");
    expect(source.indexOf("docker network disconnect")).toBeLessThan(
      source.indexOf(`"\${compose[@]}" down`),
    );
  });

  it("includes every official platform layer in the workspace", async () => {
    const source = await readFile(path.join(repositoryRoot, "pnpm-workspace.yaml"), "utf8");
    const workspace = parse(source) as WorkspaceDocument;

    expect(workspace.packages).toEqual(
      expect.arrayContaining([
        "apps/*",
        "builders/*",
        "core",
        "modules/*",
        "surfaces/*",
        "templates/*",
      ]),
    );
  });

  it("dispatches root and future package quality tasks through Turborepo", async () => {
    const packageSource = await readFile(path.join(repositoryRoot, "package.json"), "utf8");
    const turboSource = await readFile(path.join(repositoryRoot, "turbo.json"), "utf8");
    const packageDocument = JSON.parse(packageSource) as PackageDocument;
    const turboDocument = JSON.parse(turboSource) as TurboDocument;

    expect(packageDocument.scripts?.lint).toBe("turbo run lint lint:root");
    expect(packageDocument.scripts?.test).toBe("turbo run test test:root");
    expect(packageDocument.scripts?.typecheck).toBe("turbo run typecheck typecheck:root");
    expect(packageDocument.scripts?.["modules:validate"]).toBe(
      "turbo run build && node core/dist/cli/validate-modules.js",
    );
    expect(packageDocument.scripts?.verify).toContain("pnpm modules:validate");
    expect(turboDocument.tasks).toHaveProperty("//#lint:root");
    expect(turboDocument.tasks).toHaveProperty("//#test:root");
    expect(turboDocument.tasks).toHaveProperty("//#typecheck:root");
  });
});