#!/usr/bin/env python3
import os
import sys
import subprocess

# Determine base path: use FACTORY_PATH env var, or default to ../../.standards/factory relative to this script
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
DEFAULT_FACTORY_PATH = os.path.abspath(os.path.join(SCRIPT_DIR, "../../.standards/factory"))
FACTORY_PATH = os.environ.get("FACTORY_PATH", DEFAULT_FACTORY_PATH)

REPO_URL = "git@bitbucket.org:reltio-ondemand/transparent-factory.git"

def ensure_directory(path):
    """Ensure the parent directory exists."""
    parent = os.path.dirname(path)
    if not os.path.exists(parent):
        print(f"📂 Creating directory: {parent}")
        os.makedirs(parent, exist_ok=True)

def update_or_clone():
    """Clone the Transparent Factory repo if missing, pull if present."""
    ensure_directory(FACTORY_PATH)

    # Check if it's already a git repo
    if os.path.exists(os.path.join(FACTORY_PATH, ".git")):
        print(f"🔄 Updating Transparent Factory Standards...")
        try:
            subprocess.run(["git", "pull"], cwd=FACTORY_PATH, check=True)
            print(f"✅ Standards updated at {FACTORY_PATH}.")
        except subprocess.CalledProcessError as e:
            print(f"❌ Update failed: {e}")

    # Check if directory exists but is empty (safe to clone into)
    elif os.path.exists(FACTORY_PATH) and not os.listdir(FACTORY_PATH):
        print(f"📥 Cloning Transparent Factory Standards into empty directory...")
        try:
            subprocess.run(["git", "clone", REPO_URL, "."], cwd=FACTORY_PATH, check=True)
            print(f"✅ Standards cloned to {FACTORY_PATH}.")
        except subprocess.CalledProcessError as e:
            print(f"❌ Clone failed: {e}")

    # Directory doesn't exist at all
    elif not os.path.exists(FACTORY_PATH):
        print(f"📥 Cloning Transparent Factory Standards...")
        try:
            subprocess.run(["git", "clone", REPO_URL, FACTORY_PATH], check=True)
            print(f"✅ Standards cloned to {FACTORY_PATH}.")
        except subprocess.CalledProcessError as e:
             print(f"❌ Clone failed: {e}")

    else:
        print(f"⚠️  Target directory {FACTORY_PATH} exists and is not empty (and not a git repo). Skipping.")

def list_standards():
    """List available standards and PR/FAQ documents."""
    if not os.path.exists(FACTORY_PATH):
        return "Standards not found. Run 'factory_update' first."

    print("--- Core Documents ---")
    try:
        # Look for the primary PR/FAQ or README
        print(subprocess.getoutput(f"find {FACTORY_PATH} -maxdepth 1 -name '*.md' | sort"))

        # Look inside the content folder
        content_path = os.path.join(FACTORY_PATH, "content")
        if os.path.exists(content_path):
            print("\n--- Tenets & Content ---")
            print(subprocess.getoutput(f"find {content_path} -name '*.md' | sort"))

        # Look inside skills folder
        skills_path = os.path.join(FACTORY_PATH, "skills")
        if os.path.exists(skills_path):
            print("\n--- Available Factory Skills ---")
            print(subprocess.getoutput(f"find {skills_path} -name 'SKILL.md' | sort"))
    except Exception as e:
        return f"Error listing files: {e}"

    return ""

if __name__ == "__main__":
    action = sys.argv[1] if len(sys.argv) > 1 else "list"

    if action == "update":
        update_or_clone()
    elif action == "list":
        print(list_standards())
    else:
        print(f"Unknown action: {action}")
        sys.exit(1)