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

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()

import pathlib

SESSION_SHA_FILE = pathlib.Path('.claude/session_start_sha.txt')

# 세션 시작 시 저장된 HEAD와 비교해 이번 세션 커밋만 표시
start_sha = SESSION_SHA_FILE.read_text().strip() if SESSION_SHA_FILE.exists() else ''
if start_sha:
    log = run(['git', 'log', '--oneline', f'{start_sha}..HEAD'])
else:
    log = run(['git', 'log', '--oneline', '-5'])

status = run(['git', 'status', '--short'])
diff_stat = run(['git', 'diff', '--stat'])
now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M')

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

if log:
    parts.append(f"```\n{log}\n```")
elif not status and not diff_stat:
    parts.append("_이번 세션 변경사항 없음_")

if status or diff_stat:
    combined = '\n'.join(filter(None, [status, diff_stat]))
    parts.append(f"**미커밋 변경:**\n```\n{combined}\n```")

if len(parts) == 1:
    parts.append("_변경사항 없음_")

msg = '\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)