import os
import sys
import google.generativeai as genai

# =====================================================================
# SELF-CHECK SYSTEM: Environment and Path Validation
# =====================================================================
REQUIRED_FILES = {
    "DMU Engine": "memory/dmu.py",
    "PEDI Metrics": "metrics/pedi.py"
}

def execute_environment_check():
    """Validates local files and API keys before running the audit."""
    print("[*] Running pre-flight self-check...")
    
    # 1. Check API Key
    if not os.environ.get("GEMINI_API_KEY"):
        print("[!] ERROR: GEMINI_API_KEY environment variable is not set.")
        print("    Fix: Run 'export GEMINI_API_KEY=\"your_key_here\"' in your terminal.")
        sys.exit(1)
        
    # 2. Check File Paths
    missing_files = False
    for name, path in REQUIRED_FILES.items():
        if not os.path.exists(path):
            print(f"[!] ERROR: Target file missing for {name} at location: ./{path}")
            print(f"    Fix: Ensure you are running this script from the root of 'infj-bot/'.")
            missing_files = True
            
    if missing_files:
        print("[!] Self-check failed. Aborting audit.")
        sys.exit(1)
        
    print("[+] Pre-flight self-check passed. Local environment secure.\n")

# =====================================================================
# CORE AUDIT ENGINE
# =====================================================================
def audit_file(model, file_path, criteria):
    """Reads file content and passes it to Gemini for semantic verification."""
    print(f"[*] Auditing {file_path}...")
    
    with open(file_path, 'r', encoding='utf-8') as f:
        code_content = f.read()
        
    prompt = f"""
    You are an elite, cynical open-source code reviewer evaluating an 18,000-line cognitive middleware architecture.
    Your task is to verify if the file provided below complies with strict documentation standards.

    Target File: {file_path}
    Evaluation Criteria: {criteria}

    Analyze the code and any inline comments. Provide your response in this exact format:
    
    STATUS: [PASS or FAIL]
    REASONING: [A short, direct explanation of why it passed or what specific logic/math explanation is missing]
    SUGGESTED CORRECTION: [If FAIL, provide the exact inline comment text and where to insert it. If PASS, leave blank]

    Source Code:
    ```python
    {code_content}
    ```
    """
    
    response = model.generate_content(prompt)
    print(response.text)

if __name__ == "__main__":
    execute_environment_check()
    # Note: Logic to initialize genai and call audit_file would follow here
    # genai.configure(api_key=os.environ["GEMINI_API_KEY"])
    # model = genai.GenerativeModel('gemini-1.5-pro')
    # audit_file(model, "memory/dmu.py", "Must explain dynamic memory weights.")