import { describe, expect, test } from "bun:test";
import { getDeploymentNames, mergeServiceEnv } from "../../command/up";
import { buildServices, imageDigestChanged } from "../../lib/build";
import type { KubernetesResource } from "../../lib/convert";
import type { ComposeSpecification } from "../../schema/docker.d";

describe("up task selection", () => {
  test("merges generated service environments without dropping providers", () => {
    expect(
      mergeServiceEnv(
        {
          app: { DATABASE_URL: "postgresql://database" },
          worker: { EXISTING: "yes" },
        },
        {
          app: { AWS_ACCESS_KEY_ID: "key" },
        },
      ),
    ).toEqual({
      app: {
        DATABASE_URL: "postgresql://database",
        AWS_ACCESS_KEY_ID: "key",
      },
      worker: { EXISTING: "yes" },
    });
  });

  test("selects only named Deployment resources for rollout waiting", () => {
    const resources = [
      {
        apiVersion: "apps/v1",
        kind: "Deployment",
        metadata: { name: "app" },
      },
      {
        apiVersion: "apps/v1",
        kind: "Deployment",
        metadata: {},
      },
      { apiVersion: "v1", kind: "Service", metadata: { name: "app" } },
    ] as KubernetesResource[];
    expect(getDeploymentNames(resources)).toEqual(["app"]);
  });

  test("reports no built deployments without invoking build infrastructure", async () => {
    expect(
      await buildServices(
        "project",
        {
          services: { app: { image: "nginx:latest" } },
        } as ComposeSpecification,
        process.cwd(),
      ),
    ).toEqual({ built: [], changed: [], images: {} });
  });

  test("restarts only for changed or unknown image digests", () => {
    const digest = `sha256:${"a".repeat(64)}`;
    expect(imageDigestChanged(digest, digest)).toBe(false);
    expect(imageDigestChanged(digest, `sha256:${"b".repeat(64)}`)).toBe(true);
    expect(imageDigestChanged(undefined, digest)).toBe(true);
    expect(imageDigestChanged(digest, undefined)).toBe(true);
  });
});