"""Static checks on static/app.js — voice-message UI + vault panel.

Asserts the plugin's frontend code declares the right hooks and URLs without
needing a browser. Runtime behavior tested manually + by upstream-drift smoke.
"""
import re
from pathlib import Path

APP_JS = Path(__file__).resolve().parents[2] / "static" / "app.js"


def test_app_js_exists_and_nonempty():
    assert APP_JS.is_file()
    assert APP_JS.stat().st_size > 0


def test_app_js_idempotent_guard():
    """Loading twice must not re-execute — protocol Rule 4 (no surprise side effects)."""
    src = APP_JS.read_text()
    assert "__svrntyExtLoaded" in src
    assert "if (window.__svrntyExtLoaded) return" in src


def test_app_js_voice_message_filename_prefix():
    """voice-message-* prefix is the contract that the audio processor recognizes."""
    src = APP_JS.read_text()
    assert "voice-message-" in src, (
        "static/app.js must produce voice-message-* filenames so "
        "routes/transcribe.py:_transcribe_audio_attachments triggers"
    )


def test_app_js_uses_data_transfer_for_file_attach():
    """DataTransfer is the only cross-browser way to set <input type=file> programmatically."""
    src = APP_JS.read_text()
    assert "new DataTransfer()" in src


def test_app_js_vault_status_url_pinned():
    """Frontend → /api/vault/status URL must match the plugin route."""
    src = APP_JS.read_text()
    assert re.search(r"['\"`]/api/vault/status['\"`]", src), \
        "vault panel must call /api/vault/status (served by routes/vault_status.py)"


def test_app_js_overrides_mic_button():
    """Plugin owns #btnMic. Must use idempotent dataset flag to avoid double-install."""
    src = APP_JS.read_text()
    assert "btnMic" in src
    assert "svrntyVm" in src or "dataset" in src