import os
import logging
from github import Github

log = logging.getLogger("core")

class GitHubSyncer:
    def __init__(self, repo_name: str, access_token: str):
        self.repo_name = repo_name
        self.access_token = access_token
        if self.access_token:
            self.gh = Github(self.access_token)
            try:
                self.repo = self.gh.get_repo(self.repo_name)
                log.info(f"Connected to GitHub repository: {self.repo_name}")
            except Exception as e:
                log.error(f"Failed to connect to GitHub repo {self.repo_name}: {e}")
                self.repo = None
        else:
            log.warning("GITHUB_TOKEN not provided. GitHub sync will be disabled.")
            self.repo = None

    def sync_file(self, file_path: str, content: str, commit_message: str = "Auto-update by AI Agent"):
        if not self.repo:
            log.warning(f"Skipping GitHub sync for {file_path}: No repository connection.")
            return

        # Windows yo'lakchalarini GitHub uchun to'g'rilash (/)
        git_path = file_path.replace("\\", "/")

        try:
            # Fayl allaqachon GitHub-da bormi yoki yo'qligini tekshirish
            try:
                contents = self.repo.get_contents(git_path, ref="main")
                # Fayl bor bo'lsa, yangilaymiz (update)
                self.repo.update_file(
                    path=git_path,
                    message=commit_message,
                    content=content,
                    sha=contents.sha,
                    branch="main"
                )
                log.info(f"Updated existing file on GitHub: {git_path}")
            except Exception:
                # Fayl topilmasa, yangi yaratamiz (create)
                self.repo.create_file(
                    path=git_path,
                    message=commit_message,
                    content=content,
                    branch="main"
                )
                log.info(f"Created new file on GitHub: {git_path}")
        except Exception as e:
            log.error(f"Failed to sync file {git_path} to GitHub: {e}")
            raise e