#!/usr/bin/env python3
"""
Weekly Knowledge Base Review
Runs every Sunday at 22:00
Compares git commits of the past week against knowledge/ directory.
If no new knowledge was added, alert Wang Bing via Feishu.
"""
import subprocess
from datetime import datetime, timedelta

APP_ID = "cli_a92569ec8b7bdcd1"
APP_SECRET = "VV5RJy8aotspOjRUkapqrhGfW0GomUi6"
USER_OPEN_ID = "ou_f442e20fd980363ea486b5a6cd8d2a2f"

def get_git_commits_since(days=7):
    since = (datetime.now() - timedelta(days=days)).strftime("%Y-%m-%d")
    r = subprocess.run(
        ["git", "log", f"--since={since}", "--oneline", "--name-only"],
        capture_output=True, text=True
    )
    return r.stdout

def main():
    log = get_git_commits_since(7)
    lines = log.split("\n")
    
    knowledge_changes = [l for l in lines if "knowledge/" in l]
    
    if not knowledge_changes:
        msg = f"[Weekly Review] No new knowledge base entries this week. Consider adding lessons learned."
        print(msg)
        # TODO: send Feishu alert when network is available
    else:
        print(f"Knowledge updates found: {knowledge_changes}")

if __name__ == "__main__":
    main()