# app.py

# Import necessary modules from lib
from lib.code_reviewer import CodeReviewer, ReviewManager
import streamlit as st
import os
import glob

# Streamlit UI for inputting GitHub repository details
st.title("GitHub Repository Code Reviewer")
# Variables for GitHub repository details
REPO_OWNER = "vsagar100"
REPO_NAME = st.text_input("Enter the GitHub repository name:")
GITHUB_BRANCH = st.text_input("Enter the branch or tag to download (default: main):", "main")
GITHUB_TOKEN = "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" #os.getenv("GITHUB_TOKEN")  # Specify your GitHub token

# GitHub API endpoint to download the repo as a zip file
#repo_url = f"https://api.github.com/repos/{REPO_OWNER}/{REPO_NAME}/zipball/main"
GITHUB_REPO_URL = f"https://api.github.com/repos/{REPO_OWNER}/{REPO_NAME}/zipball/{GITHUB_BRANCH}"

if st.button("Review Code") and GITHUB_REPO_URL:
    # Directory structure setup
    download_directory = "downloaded_repo"
    output_directory = "output_reviews"

    # Ensure the directories exist
    os.makedirs(download_directory, exist_ok=True)
    os.makedirs(output_directory, exist_ok=True)

    # Initialize the code reviewer and review manager
    with st.spinner("Initializing CodeReviewer and ReviewManager..."):
        code_reviewer = CodeReviewer()
        review_manager = ReviewManager(reviewer=code_reviewer)


    try:
        # Download GitHub repository
        with st.spinner("Downloading GitHub repository..."):
            review_manager.download_repo(GITHUB_REPO_URL, GITHUB_TOKEN, download_directory)
            st.success("Repository downloaded successfully.")


        # Find all YAML files in the downloaded repository
        with st.spinner("Searching for YAML files in the downloaded repository..."):
            yaml_files = glob.glob(os.path.join(download_directory, "**", "*.yml"), recursive=True)
            yaml_files += glob.glob(os.path.join(download_directory, "**", "*.yaml"), recursive=True)
            st.info(f"Found {len(yaml_files)} YAML files for review.")

        # Process files and generate reviews        
        with st.spinner("Processing files for review..."):
            reviews = review_manager.process_files(yaml_files)
            st.success("Files processed successfully.")

        # Save reviews to JSON
        output_json_path = os.path.join(output_directory, "code_review_results.json")
        review_manager.save_reviews_to_json(reviews, output_json_path)

        # Display review results
        st.success(f"Reviews saved to {output_json_path}")
        for review in reviews:
            st.subheader(f"Review for {review['filename']}")
            st.text(review['review'])

         # Display JSON output on the UI
        st.subheader("Full JSON Review Output")
        st.json(reviews)

        # Provide download link for JSON results
        with open(output_json_path, "r") as json_file:
            st.download_button("Download JSON Results", json_file, file_name="code_review_results.json")

    except Exception as e:
        st.error(f"An error occurred: {str(e)}")