import { describe, expect, test } from "bun:test";

describe("thread commands", () => {
  // Note: These tests focus on argument parsing logic
  // Integration tests would require mocking JMAP client

  test("parseArgs handles threadId positional arg", () => {
    const args = ["thread-123"];
    const parsed = parseArgs(args);

    expect(parsed._0).toBe("thread-123");
    expect(parsed._length).toBe(1);
  });

  test("parseArgs handles --body-type flag for get", () => {
    const args = ["thread-123", "--body-type", "text"];
    const parsed = parseArgs(args);

    expect(parsed._0).toBe("thread-123");
    expect(parsed["body-type"]).toBe("text");
  });

  test("parseArgs handles modify flags", () => {
    const args = [
      "thread-123",
      "--add-keyword",
      "$flagged",
      "--remove-keyword",
      "$seen",
    ];
    const parsed = parseArgs(args);

    expect(parsed._0).toBe("thread-123");
    expect(parsed["add-keyword"]).toBe("$flagged");
    expect(parsed["remove-keyword"]).toBe("$seen");
  });

  test("parseArgs handles mailbox modify flags", () => {
    const args = [
      "thread-123",
      "--add-mailbox",
      "Archive",
      "--remove-mailbox",
      "Inbox",
    ];
    const parsed = parseArgs(args);

    expect(parsed._0).toBe("thread-123");
    expect(parsed["add-mailbox"]).toBe("Archive");
    expect(parsed["remove-mailbox"]).toBe("Inbox");
  });

  test("parseArgs handles help flag", () => {
    const args = ["--help"];
    const parsed = parseArgs(args);

    expect(parsed.help).toBe(true);
  });

  test("parseArgs handles short help flag", () => {
    const args = ["-h"];
    const parsed = parseArgs(args);

    expect(parsed.h).toBe(true);
  });

  test("parseArgs handles multiple flags together", () => {
    const args = [
      "thread-123",
      "--add-keyword",
      "$seen",
      "--add-mailbox",
      "Archive",
      "--remove-mailbox",
      "Inbox",
    ];
    const parsed = parseArgs(args);

    expect(parsed._0).toBe("thread-123");
    expect(parsed["add-keyword"]).toBe("$seen");
    expect(parsed["add-mailbox"]).toBe("Archive");
    expect(parsed["remove-mailbox"]).toBe("Inbox");
    expect(parsed._length).toBe(1);
  });
});

// Helper function copied from thread.ts for testing
function parseArgs(args: string[]): Record<string, string | boolean | number> {
  const parsed: Record<string, string | boolean | number> = {};
  const positional: string[] = [];

  for (let i = 0; i < args.length; i++) {
    const arg = args[i];

    if (arg?.startsWith("--")) {
      const key = arg.slice(2);
      const next = args[i + 1];

      if (next && !next.startsWith("-")) {
        parsed[key] = next;
        i++;
      } else {
        parsed[key] = true;
      }
    } else if (arg?.startsWith("-")) {
      parsed[arg.slice(1)] = true;
    } else if (arg) {
      positional.push(arg);
    }
  }

  // Store positional args
  positional.forEach((val, idx) => {
    parsed[`_${idx}`] = val;
  });
  parsed._length = positional.length;

  return parsed;
}