import os
import sys

sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

from helpers import (
    build_transcript_block,
    chunk_message,
    command_channel_error,
    summarize_error,
)


def test_chunk_message_splits_long_text_under_limit():
    text = "A" * 4500
    chunks = chunk_message(text, limit=1900)
    assert len(chunks) == 3
    assert all(len(c) <= 1900 for c in chunks)
    assert "".join(chunks) == text


def test_chunk_message_keeps_short_text_single_chunk():
    text = "hello world"
    assert chunk_message(text, limit=1900) == [text]


def test_summarize_error_prefers_json_message():
    body = {"error": {"message": "bad request"}}
    assert summarize_error(body, fallback="x") == "bad request"


def test_summarize_error_falls_back_to_string():
    assert summarize_error({"unexpected": True}, fallback="fallback") == "fallback"


def test_build_transcript_block_labels_transcript():
    block = build_transcript_block("Chris", "Discussed deadlines")
    assert block == "[Chris]\nDiscussed deadlines"


def test_command_channel_error_allows_matching_channel():
    assert command_channel_error(current_channel_id=123, allowed_channel_id=123) is None


def test_command_channel_error_blocks_when_not_configured():
    assert command_channel_error(current_channel_id=123, allowed_channel_id=None) == (
        "⚠️ This bot doesn't have a command channel yet. Use `/set_output` first."
    )


def test_command_channel_error_blocks_wrong_channel():
    assert command_channel_error(current_channel_id=123, allowed_channel_id=456) == (
        "⚠️ This command only works in <#456>."
    )