import os, subprocess, threading, requests
# Nettoyer les variables de certificats SSL corrompues ou obsolètes pour éviter les crashs TLS
os.environ.pop("REQUESTS_CA_BUNDLE", None)
os.environ.pop("SSL_CERT_FILE", None)

from flask import Flask, request, abort
from datetime import datetime, timezone

app = Flask(__name__)

# --- CONFIGURATION ---
PROJECT_PATH = "/home/discord/Bot/Kuby"
WEBHOOK_SECRET = "Nois2"
PROCESS_NAME = "kuby"
DISCORD_LOG_URL = "https://discord.com/api/webhooks/1482148910888652910/IA9CcOWtjGswbuxMaOu_6uaclv5zojZo4ttxtV6RYyZzJ9gW7BF7xp_Zv3oPIjYEuh8o"

# Bot Local Proxy
BOT_LOCAL_URL = "http://127.0.0.1:5001/bot_event"

def send_discord_log(status, message, color, author=None, commit_msg=None):
    embed = {
        "title": f"🚀 Kuby V2 : {status}",
        "description": message,
        "color": color,
        "timestamp": datetime.now(timezone.utc).isoformat(),
        "fields": []
    }
    
    if author:
        embed["fields"].append({"name": "👤 Auteur", "value": author, "inline": True})
    if commit_msg:
        embed["fields"].append({"name": "📝 Commit", "value": commit_msg, "inline": True})

    payload = {"embeds": [embed]}
    try:
        requests.post(DISCORD_LOG_URL, json=payload, timeout=10)  # ✅ Augmenté de 5s à 10s
    except Exception as e:
        print(f"[!] Erreur envoi Discord : {e}")

def run_mep_logic(author, commit_msg, branch="main"):
    start_time = datetime.now()
    send_discord_log("EN COURS", f"Déploiement branch **{branch}** lancé sur la machine de guerre...", 3447003, author, commit_msg)

    try:
        target_path = PROJECT_PATH
        use_rsync = False
        if not os.path.exists(os.path.join(target_path, ".git")):
            alt_path = "/home/discord/Bot/Kuby"
            if os.path.exists(os.path.join(alt_path, ".git")):
                print(f"[!] {target_path} n'est pas un dépôt Git. Utilisation du dépôt {alt_path} et rsync.")
                target_path = alt_path
                use_rsync = True
            else:
                raise RuntimeError(f"Aucun dépôt Git trouvé dans {target_path} ou {alt_path}")

        os.chdir(target_path)

        # 1. GIT
        subprocess.run(["git", "fetch", "origin"], check=True)
        subprocess.run(["git", "reset", "--hard", f"origin/{branch}"], check=True)

        # 2. RSYNC (si on utilise le fallback de dépôt)
        if use_rsync:
            subprocess.run(["rsync", "-a", "--exclude=.git", "--exclude=venv", "--exclude=.venv", "--exclude=__pycache__", f"{target_path}/", f"{PROJECT_PATH}/"], check=True)

        # ⚡ NOUVEAU: Migration automatique GitLab tracking
        send_discord_log("MIGRATION", "Migration GitLab tracking en cours...", 16776960, author, commit_msg)
        try:
            subprocess.run(
                ["python3", os.path.join(target_path, "scripts", "migrate_gitlab_tracking.py")],
                cwd=target_path,
                check=True,
                capture_output=True,
                text=True
            )
            send_discord_log("MIGRATION", "✅ Migration GitLab tracking terminée.", 3066993, author, commit_msg)
        except subprocess.CalledProcessError as e:
            send_discord_log("ERREUR MIGRATION", f"❌ Migration GitLab échouée: {e.stderr}", 15158332, author, commit_msg)

        duration = (datetime.now() - start_time).total_seconds()
        msg = f"✅ **Déploiement réussi en {duration:.2f}s**\nLe bot est à jour et redémarré."
        send_discord_log("VALIDÉ", msg, 3066993, author, commit_msg)

        # 3. PM2 (Appelé après le message pour éviter que le kill du serv ne bloque l'envoi)
        subprocess.run(f"sudo -u discord /home/discord/.nvm/versions/node/v24.15.0/bin/pm2 restart {PROCESS_NAME}", shell=True, check=True, capture_output=True)

    except Exception as e:
        error_msg = f"❌ **ERREUR de déploiement**\n```python\n{str(e)}\n```"
        send_discord_log("ÉCHEC", error_msg, 15158332, author, commit_msg)

@app.route('/deploy', methods=['POST'])
def deploy():
    # Sécurité
    if request.headers.get('X-Gitlab-Token') != WEBHOOK_SECRET:
        abort(403)

    # Extraction des infos GitLab
    data = request.json
    author = "Inconnu"
    commit_msg = "Pas de message"
    
    if data and 'commits' in data and len(data['commits']) > 0:
        author = data['commits'][0].get('author', {}).get('name', 'Inconnu')
        commit_msg = data['commits'][0].get('message', 'Pas de message')

    # Extraction de la branche
    ref = data.get('ref', 'refs/heads/main')
    branch = ref.split('/')[-1] if ref else 'main'

    # Threading pour répondre vite à GitLab
    threading.Thread(target=run_mep_logic, args=(author, commit_msg, branch)).start()
    
    return {"status": "accepted"}, 202

@app.route('/gitlab_webhook', methods=['POST'])
def gitlab_webhook():
    # Protection par Token uniquement (anti-crawler géré par le secret)
    received_token = request.headers.get('X-Gitlab-Token')
    
    # Log de debug pour voir ce que GitLab envoie vs ce qu'on attend
    print(f"[DEBUG] Webhook reçu. Token attendu: '{WEBHOOK_SECRET}', Token reçu: '{received_token}'")

    if received_token != WEBHOOK_SECRET:
        abort(403) # Changé en 403 pour différencier une route non trouvée d'un accès refusé

    # Transférer la payload au bot Discord localement sur le port 5001
    payload = request.json
    try:
        # On tente de relayer au bot discord. Timeout légèrement augmenté pour plus de stabilité.
        # On ne passe plus de token interne pour simplifier comme demandé.
        requests.post(BOT_LOCAL_URL, json=payload, timeout=5)
    except Exception as e:
        print(f"[!] Erreur de relais vers le bot Discord : {e}")
        # On renvoie 200 à GitLab quand même car GitLab n'a pas à savoir l'état interne
        
    return {"status": "received"}, 200

if __name__ == '__main__':
    print(f"[*] Webhook opérationnel. En attente de push ou d'events...")
    app.run(host='0.0.0.0', port=5000)
