import subprocess, json, urllib.request, datetime, sys, pathlib

WEBHOOK = "https://discord.com/api/webhooks/1504705352166543370/H3dhs_4LaxnaFj_mhUUi02qpk3JegE_Ji9C6rNpEqRNv_iW6aqvso8VyPw17048Nt0oF"

def run(cmd):
    return subprocess.run(cmd, capture_output=True, text=True, encoding='utf-8', errors='replace').stdout.strip()

SESSION_SHA_FILE = pathlib.Path('.claude/session_start_sha.txt')
start_sha = SESSION_SHA_FILE.read_text().strip() if SESSION_SHA_FILE.exists() else ''
now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M')

if start_sha:
    messages = run(['git', 'log', '--pretty=format:%s', f'{start_sha}..HEAD'])
else:
    messages = run(['git', 'log', '--pretty=format:%s', '-5'])

parts = [f"**[Claude Code] {now}**"]

if messages:
    bullets = '\n'.join(f"• {m}" for m in messages.splitlines() if m.strip())
    parts.append(f"**변경 내용:**\n{bullets}")
    parts.append("✅ 커밋 완료")
else:
    parts.append("_이번 세션 커밋 없음_")

msg = '\n\n'.join(parts)
if len(msg) > 1990:
    msg = msg[:1987] + '...'

data = json.dumps({'content': msg}).encode('utf-8')
req = urllib.request.Request(
    WEBHOOK, data=data,
    headers={'Content-Type': 'application/json', 'User-Agent': 'DiscordBot (stockbot, 1.0)'},
    method='POST'
)
try:
    urllib.request.urlopen(req)
except Exception as e:
    print(f"Discord notify failed: {e}", file=sys.stderr)