import subprocess
from typing import  Dict, List, Any
import os
import json
import logging
import sys
import tempfile
import time
from pathlib import Path
import re
import shutil
import stat
import subprocess

import uuid
from contextlib import contextmanager

import requests
logging.basicConfig(format="%(asctime)s - %(message)s", level=logging.INFO)
# Git clone command
git_clone_command = "git clone https://github.com/TenzinGayche/bertalign.git"

# Run the command using subprocess
try:
    subprocess.run(git_clone_command, shell=True, check=True)
    print("Git clone successful!")
except subprocess.CalledProcessError as e:
    print(f"Error while running Git clone command: {e}")
from bertalign import Bertalign


import requests

GITHUB_USERNAME = "pechawa"
GITHUB_ACCESS_TOKEN = "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"
GITHUB_TOKEN = "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"
GITHUB_EMAIL = "openpecha-bot@openpecha.org"
GITHUB_ORG = "MonlamAI"
MAI_TM_PUBLISH_TODO_REPO = "MonlamAI_TMs_Publish_TODO"
GITHUB_API_ENDPOINT = f"https://api.github.com/orgs/{GITHUB_ORG}/repos"

DEBUG =  True

quiet = "-q" if DEBUG else ""
import subprocess
import logging

def create_github_repo(repo_path: Path, repo_name: str, version: str, realign: bool):
    logging.info("[INFO] Creating GitHub repo...")

    # Configure git users
    subprocess.run(f"git config --global user.name {GITHUB_USERNAME}".split())
    subprocess.run(f"git config --global user.email {GITHUB_EMAIL}".split())

    # Initialize a Git repository
    subprocess.run(f"git init".split(), cwd=str(repo_path))

    # Add files and check if there are changes to commit
    subprocess.run("git add .".split(), cwd=str(repo_path))
    status_result = subprocess.run("git status --porcelain".split(), cwd=str(repo_path), capture_output=True)
    if status_result.stdout:
        commit_message = "Initial commit" if not realign else f"Commit for version {version}"
        subprocess.run(f"git commit -m".split() + [commit_message], cwd=str(repo_path))
    else:
        logging.info("No changes to commit.")

    # Check if realigning
    if realign:
        if version:
            # Checkout the new branch
            subprocess.run(f"git checkout -b {version}".split(), cwd=str(repo_path))
        else:
            logging.error("Version not specified for realignment.")
            return
    else:
        # Create and checkout main branch if it doesn't exist
        subprocess.run("git branch -m main".split(), cwd=str(repo_path))
        subprocess.run("git checkout main".split(), cwd=str(repo_path))

        # Create a new repository on GitHub
        response = requests.post(
            GITHUB_API_ENDPOINT,
            json={
                "name": repo_name,
                "private": True,
            },
            auth=(GITHUB_USERNAME, GITHUB_ACCESS_TOKEN),
        )
        response.raise_for_status()
        time.sleep(3)

    # Add the GitHub remote to the local Git repository
    remote_url = f"https://{GITHUB_USERNAME}:{GITHUB_ACCESS_TOKEN}@github.com/{GITHUB_ORG}/{repo_name}.git"
    subprocess.run(
        f"git remote add origin {remote_url}", cwd=str(repo_path), shell=True
    )

    # Push the changes to the appropriate branch
    branch_name = version if realign else "main"
    subprocess.run(f"git push -u origin {branch_name}".split(), cwd=str(repo_path))

    return f"Branch '{branch_name}' updated in {repo_name}" if realign else response.json()["html_url"]

def convert_raw_align_to_tm(align_fn: Path, tm_path: Path):
    if DEBUG:
        logging.debug("[INFO] Conerting raw alignment to TM repo...")

    def load_alignment(fn: Path):
        try:
            # Ensure fn is a Path object
            fn = Path(fn)
    
            # Check if the file exists
            if not fn.exists():
                logging.error(f"File does not exist: {fn}")
                return
    
            # Read and log the content of the file
            content = fn.read_text()
    
        except Exception as e:
            logging.error(f"Error while reading file {fn}: {e}")
        if not content:
            return []

        for seg_pair in content.splitlines():
            if not seg_pair:
                continue

            if "\t" in seg_pair:
                try:
                    bo_seg, en_seg = seg_pair.split("\t", 1)
                except Exception as e:
                    logging.error(f"{e} in {fn}")
                    raise

            else:
                bo_seg = seg_pair
                en_seg = "\n"
            yield bo_seg, en_seg

    text_bo_fn = tm_path / f"{tm_path.name}-bo.txt"
    text_en_fn = tm_path / f"{tm_path.name}-en.txt"

    with open(text_bo_fn, "w", encoding="utf-8") as bo_file, open(
        text_en_fn, "w", encoding="utf-8"
    ) as en_file:
        for bo_seg, en_seg in load_alignment(align_fn):
            bo_file.write(bo_seg + "\n")
            en_file.write(en_seg + "\n")
    return tm_path


def get_github_dev_url(raw_github_url: str) -> str:
    base_url = "https://github.dev"
    _, file_path = raw_github_url.split(".com")
    blob_file_path = file_path.replace("main", "blob/main")
    return base_url + blob_file_path


def add_input_in_readme(input_dict: Dict[str, str], path: Path) -> Path:
    input_readme_fn = path / "README.md"
    text_id = input_dict["text_id"]
  

    bo_file_url = get_github_dev_url(input_dict["bo_file_url"])
    en_file_url = get_github_dev_url(input_dict["en_file_url"])
    bo_file_url=os.path.split(bo_file_url)
    bo_file_url=os.path.join("https://github.com/MonlamAI/",str(text_id).replace("TM","BO"))
    en_file_url=os.path.split(en_file_url)
    en_file_url=os.path.join("https://github.com/MonlamAI/",str(text_id).replace("TM","EN"))
    print(bo_file_url,en_file_url)
    
    input_string = "## Input\n- [BO{}]({})\n- [EN{}]({})".format(
        text_id, bo_file_url, text_id, en_file_url
    )

    input_readme_fn.write_text(input_string)

    return path

def add_to_publish_todo_repo(org, repo_name, file_path, access_token):
    base_url = f"https://api.github.com/repos/{org}/{repo_name}/contents/"

    headers = {
        "Authorization": f"Bearer {access_token}",
        "Accept": "application/vnd.github.v3+json",
    }

    url = base_url + file_path

    response = requests.get(url, headers=headers)

    if response.status_code == 200:
        print(f"[INFO] '{file_path}' already added.")
        return

    payload = {"message": f"Add {file_path}", "content": ""}

    response = requests.put(url, headers=headers, json=payload)

    if response.status_code == 201:
        print(f"[INFO] '{file_path}' added to publish todo")
    else:
        print(f"[ERROR] Failed to add '{file_path}'.")
        print(f"[ERROR] Response: {response.text}")


def create_tm(align_fn: Path, text_pair):
    align_fn = Path(align_fn)
    text_id = text_pair["text_id"]
    try:
            
        version= text_pair["version"]
        realign=text_pair["realign"]
    except:
        version=""
        realign=False
        
    with tempfile.TemporaryDirectory() as tmp_dir:
        output_dir = Path(tmp_dir)
        repo_name = f"TM{text_id}"
        tm_path = output_dir / repo_name
        tm_path.mkdir(exist_ok=True, parents=True)
        repo_path = convert_raw_align_to_tm(align_fn, tm_path)
        repo_path = add_input_in_readme(text_pair, tm_path)
        repo_url = create_github_repo(repo_path, repo_name,version,realign)
        logging.info(f"TM repo created: {repo_url}")
        add_to_publish_todo_repo(GITHUB_ORG, MAI_TM_PUBLISH_TODO_REPO, repo_name, GITHUB_ACCESS_TOKEN)
    return repo_url

##--------------------------------------------- MAIN -----------------------##


@contextmanager
def TemporaryDirectory():
    tmpdir = Path("./output").resolve() / uuid.uuid4().hex[:8]
    tmpdir.mkdir(exist_ok=True, parents=True)
    try:
        yield tmpdir
    finally:
        shutil.rmtree(str(tmpdir))


def download_file(s3_public_url: str, output_fn) -> Path:
    """Download file from a public S3 bucket URL."""
    with requests.get(s3_public_url, stream=True) as r:
        r.raise_for_status()
        with open(output_fn, "wb") as f:
            for chunk in r.iter_content(chunk_size=8192):
                f.write(chunk)
    return output_fn
# def download_file(github_file_url: str, output_fn) -> Path:
#     """Download file from github"""
#     headers = {
#         "Authorization": f"token {GITHUB_TOKEN}",
#         "Accept": "application/vnd.github+json",
#     }
#     authenticated_file_url = f"{github_file_url}?token={GITHUB_TOKEN}"
#     with requests.get(authenticated_file_url, headers=headers, stream=True) as r:
#         r.raise_for_status()
#         with open(output_fn, "wb") as f:
#             for chunk in r.iter_content(chunk_size=8192):
#                 f.write(chunk)
#     return output_fn


def _run_align_script(bo_fn, en_fn, output_dir):
    start = time.time()

    # Configure logging
    logging.basicConfig(level=logging.INFO)
    
    # Read the text from the files
    bo_text = Path(bo_fn).read_text(encoding='utf-8')
    en_text = Path(en_fn).read_text(encoding='utf-8')
    
    # Initialize the aligner and align sentences
    aligner = Bertalign(bo_text, en_text, "bo", "en")
    aligner.align_sents()
    result = aligner.return_tsv()
    
    # Prepare the output filename and write the result
    output_fn = Path(output_dir).joinpath('result.txt')  # Ensures correct path handling
    with open(output_fn, "w", encoding='utf-8') as f:
        f.write(result)
    
    # Calculate and log the time taken
    end = time.time()
    total_time = round((end - start) / 60, 2)
    logging.info(f"Total time taken for Aligning: {total_time} mins")
    return output_fn
def align(text_pair):
    
    logging.info(f"Running aligner for TM{text_pair['text_id']}...")
    with TemporaryDirectory() as tmpdir:
        output_dir = Path(tmpdir)
        
        # Download files and validate them
        bo_fn = download_file(text_pair["bo_file_url"], output_fn=output_dir / "bo.txt")
        en_fn = download_file(text_pair["en_file_url"], output_fn=output_dir / "en.txt")

        # Check if files are downloaded correctly
        if not bo_fn.exists() or bo_fn.stat().st_size == 0:
            logging.error(f"Failed to download or empty file: {bo_fn}")
            return {"error": "Failed to download Tibetan file or file is empty"}

        if not en_fn.exists() or en_fn.stat().st_size == 0:
            logging.error(f"Failed to download or empty file: {en_fn}")
            return {"error": "Failed to download English file or file is empty"}

        # Log content of files for verification
        # Run alignment script

        try:
            aligned_fn = _run_align_script(bo_fn, en_fn, output_dir)
        except Exception as e:
            logging.error(f"Alignment script error: {e}")
            return {"error": f"Alignment script failed: {e}"}

        # Create TM repository
        try:
            repo_url = create_tm(aligned_fn, text_pair=text_pair)
            return {"tm_repo_url": repo_url}
        except Exception as e:
            logging.error(f"Error in creating TM repository: {e}")
            return {"error": f"Error in repository creation: {e}"}
class EndpointHandler():
    def __init__(self, path=""):
        self.path = path

    def __call__(self, data: Any) -> List[List[Dict[str, float]]]:
        """
        Args:
            data (:obj:):
                includes the input data and the parameters for the inference.
        Return:
            A :obj:`list`:. The list contains the embeddings of the inference inputs
        """
        data = data.pop("inputs",data)
        return align(data)