import { describe, expect, test } from "bun:test";
import { renderUsage } from "citty";
import { login, logout, whoami } from "../../command/auth";
import { db } from "../../command/db";
import { down } from "../../command/down";
import { exec } from "../../command/exec";
import { exportCommand } from "../../command/export";
import { logs } from "../../command/logs";
import { initializeCompletion, main } from "../../command/main";
import { maintenance } from "../../command/maintenance";
import { ps } from "../../command/ps";
import { restart } from "../../command/restart";
import { rollback } from "../../command/rollback";
import { s3 } from "../../command/s3";
import { start } from "../../command/start";
import { stop } from "../../command/stop";
import { up } from "../../command/up";

type Command = {
  meta?: { name?: string; description?: string; hidden?: boolean };
  args?: Record<string, Record<string, unknown>>;
  subCommands?: Record<string, Command>;
  run?: unknown;
};

describe("CLI command definitions", () => {
  const commands = [
    ["kuber", "Deploy and manage projects on Kubernetes", main],
    ["up", "Create and start deployments", up],
    ["login", "Log in to the cluster", login],
    ["logout", "Log out of kuber.astrxl.dev", logout],
    ["whoami", "Show the current kuber user", whoami],
    ["start", "Start deployments without rebuilding images", start],
    ["stop", "Stop all deployments", stop],
    ["restart", "Restart deployments", restart],
    ["rollback", "Roll deployments back to the previous release", rollback],
    ["maintenance", "Toggle maintenance page on hostnames", maintenance],
    ["s3", "View project object storage settings", s3],
    ["down", "Delete managed resources except ingress and PVCs", down],
    ["ps", "List deployments", ps],
    ["logs", "Show deployment logs", logs],
    ["exec", "Execute a command inside a deployment pod", exec],
    ["export", "Write rendered manifests to a YAML file", exportCommand],
    ["db", "View project databases and credentials", db],
  ] as const;

  test.each(commands)(
    "defines %s command metadata",
    (name, description, command) => {
      const definition = command as Command;
      expect(definition.meta).toMatchObject({ name, description });
      if (name !== "kuber" && name !== "db" && name !== "s3")
        expect(typeof definition.run).toBe("function");
      if (name === "kuber") expect(definition.run).toBeUndefined();
    },
  );

  test("defines the rollback command alias", () => {
    expect((rollback as Command).meta).toMatchObject({ alias: "fuck" });
  });

  test("defines build, cleanup, listing, logging, and export flags", () => {
    expect((up as Command).args?.build).toMatchObject({
      type: "boolean",
      alias: "b",
      default: true,
    });
    expect((down as Command).args?.full).toMatchObject({
      type: "boolean",
      alias: "f",
    });
    expect((ps as Command).args?.all).toMatchObject({
      type: "boolean",
      alias: "a",
    });
    expect((logs as Command).args?.follow).toMatchObject({
      type: "boolean",
      alias: "f",
    });
    expect((exportCommand as Command).args?.output).toMatchObject({
      type: "string",
      alias: "o",
    });
    expect((main as Command).args?.config).toMatchObject({
      type: "string",
    });
    expect((login as Command).args?.session).toMatchObject({
      type: "boolean",
    });
  });

  test("defines both database inspection subcommands", () => {
    const subCommands = (db as Command).subCommands;
    expect(Object.keys(subCommands ?? {}).sort()).toEqual(["creds", "ls"]);
    expect(subCommands?.ls?.meta?.name).toBe("ls");
    expect(subCommands?.creds?.meta?.name).toBe("creds");
    expect(typeof subCommands?.ls?.run).toBe("function");
    expect(typeof subCommands?.creds?.run).toBe("function");
  });

  test("defines S3 inspection subcommands", () => {
    const subCommands = (s3 as Command).subCommands;
    expect(Object.keys(subCommands ?? {}).sort()).toEqual([
      "creds",
      "ls",
      "ui",
    ]);
    expect(subCommands?.ls?.meta?.name).toBe("ls");
    expect(subCommands?.creds?.meta?.name).toBe("creds");
    expect(subCommands?.ui?.meta?.name).toBe("ui");
    expect(typeof subCommands?.ls?.run).toBe("function");
    expect(typeof subCommands?.creds?.run).toBe("function");
    expect(typeof subCommands?.ui?.run).toBe("function");
  });

  test("registers shell completion on the root command", async () => {
    await initializeCompletion();
    expect((await Promise.resolve(main.meta))?.name).toBe("kuber");
    expect(
      Object.keys((await Promise.resolve(main.subCommands)) ?? {}),
    ).toContain("complete");
  });

  test("hides internal commands only from root help", async () => {
    const usage = await renderUsage(main);
    for (const name of [
      "ci",
      "whoami",
      "logout",
      "operations",
      "maintenance",
      "audit",
      "users",
    ]) {
      expect(usage).not.toContain(name);
      expect(usage).not.toContain(`${name}|`);
    }
    for (const name of ["add", "login", "up"]) expect(usage).toContain(name);
  });

  test("does not mutate exported command metadata when loading hidden commands", async () => {
    await renderUsage(main);
    const { ci } = await import("../../command/ci");
    const { whoami, logout } = await import("../../command/auth");
    const { operations } = await import("../../command/operations");
    const { maintenance } = await import("../../command/maintenance");
    const { audit } = await import("../../command/audit");
    const { users } = await import("../../command/users");
    for (const command of [
      ci,
      whoami,
      logout,
      operations,
      maintenance,
      audit,
      users,
    ])
      expect(
        (command as Command & { meta?: { hidden?: boolean } }).meta?.hidden,
      ).toBeUndefined();
  });
});