"""
Vertex AI RAG Agent

A package for interacting with Google Cloud Vertex AI RAG capabilities.
"""

import os
import json
import vertexai

# ==============================================================================
# BAGIAN 1: LOGIKA AUTENTIKASI (Jalankan ini dulu!)
# Kode ini mempersiapkan kredensial sebelum Vertex AI diinisialisasi.
# ==============================================================================
GCP_SA_KEY_SECRET_NAME = "GCP_SA_KEY"  # Pastikan nama ini sesuai dengan di HF Settings

gcp_sa_key_json_str = os.getenv(GCP_SA_KEY_SECRET_NAME)

if gcp_sa_key_json_str:
    try:
        credentials_path = "/tmp/gcp_credentials.json"
        with open(credentials_path, "w") as f:
            f.write(gcp_sa_key_json_str)
        # Atur env var yang akan dibaca oleh library Google Cloud secara otomatis
        os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = credentials_path
        print("✅ Google Cloud credentials prepared successfully.")
    except Exception as e:
        print(f"❌ Error preparing Google Cloud credentials: {e}")
else:
    print(f"⚠️ Secret '{GCP_SA_KEY_SECRET_NAME}' not found. Vertex AI initialization might fail.")

# ==============================================================================
# BAGIAN 2: SEKARANG INISIALISASI VERTEX AI (setelah autentikasi siap)
# Kode ini adalah kode yang sudah Anda miliki sebelumnya.
# ==============================================================================
# Dapatkan konfigurasi dari environment variables
PROJECT_ID = os.getenv('GOOGLE_CLOUD_PROJECT')
LOCATION = os.getenv('GOOGLE_CLOUD_LOCATION')

# Lakukan inisialisasi Vertex AI
try:
    if PROJECT_ID and LOCATION:
        print(f"Initializing Vertex AI with project={PROJECT_ID}, location={LOCATION}")
        vertexai.init(project=PROJECT_ID, location=LOCATION)
        print("✅ Vertex AI initialization successful")
    else:
        print(
            f"⚠️ Missing Vertex AI configuration. PROJECT_ID={PROJECT_ID}, LOCATION={LOCATION}. "
            f"Tools requiring Vertex AI may not work properly."
        )
except Exception as e:
    print(f"❌ Failed to initialize Vertex AI: {str(e)}")
    print("Please check your Google Cloud credentials and project settings.")

# ==============================================================================
# BAGIAN 3: IMPOR SISA APLIKASI ANDA
# ==============================================================================
# Import agent setelah inisialisasi selesai
from . import agent
print("📦 RAG Agent package loaded.")