import os
import re
import time
from datetime import datetime

from pr_agent.config_loader import get_settings
from pr_agent.git_providers import get_git_provider
from pr_agent.log import setup_logger, get_logger
from tests.e2e_tests.e2e_utils import NEW_FILE_CONTENT, FILE_PATH, PR_HEADER_START_WITH, REVIEW_START_WITH, \
    IMPROVE_START_WITH_REGEX_PATTERN, NUM_MINUTES

log_level = os.environ.get("LOG_LEVEL", "INFO")
setup_logger(log_level)
logger = get_logger()


def test_e2e_run_github_app():
    """
    What we want to do:
    (1) open a PR in a repo 'https://github.com/Codium-ai/pr-agent-tests'
    (2) wait for 5 minutes until the PR is processed by the GitHub app
    (3) check that the relevant tools have been executed
    """
    base_branch = "main"  # or any base branch you want
    new_branch = f"github_app_e2e_test-{datetime.now().strftime('%Y-%m-%d-%H-%M-%S')}"
    repo_url = 'Codium-ai/pr-agent-tests'
    get_settings().config.git_provider = "github"
    git_provider = get_git_provider()()
    github_client = git_provider.github_client
    repo = github_client.get_repo(repo_url)

    try:
        # Create a new branch from the base branch
        source = repo.get_branch(base_branch)
        logger.info(f"Creating a new branch {new_branch} from {base_branch}")
        repo.create_git_ref(ref=f"refs/heads/{new_branch}", sha=source.commit.sha)

        # Get the file you want to edit
        file = repo.get_contents(FILE_PATH, ref=base_branch)
        # content = file.decoded_content.decode()

        # Update the file content
        logger.info(f"Updating the file {FILE_PATH}")
        commit_message = "update cli_pip.py"
        repo.update_file(
            file.path,
            commit_message,
            NEW_FILE_CONTENT,
            file.sha,
            branch=new_branch
        )

        # Create a pull request
        logger.info(f"Creating a pull request from {new_branch} to {base_branch}")
        pr = repo.create_pull(
            title=new_branch,
            body="update cli_pip.py",
            head=new_branch,
            base=base_branch
        )

        # check every 1 minute, for 5, minutes if the PR has all the tool results
        for i in range(NUM_MINUTES):
            logger.info(f"Waiting for the PR to get all the tool results...")
            time.sleep(60)
            logger.info(f"Checking the PR {pr.html_url} after {i + 1} minute(s)")
            pr.update()
            pr_header_body = pr.body
            comments = list(pr.get_issue_comments())
            if len(comments) == 2:
                comments_body = [comment.body for comment in comments]
                assert pr_header_body.startswith(PR_HEADER_START_WITH), "DESCRIBE feedback is invalid"
                assert comments_body[0].startswith(REVIEW_START_WITH), "REVIEW feedback is invalid"
                assert re.match(IMPROVE_START_WITH_REGEX_PATTERN, comments_body[1]), "IMPROVE feedback is invalid"
                break
            else:
                logger.info(f"Waiting for the PR to get all the tool results. {i + 1} minute(s) passed")
        else:
            assert False, f"After {NUM_MINUTES} minutes, the PR did not get all the tool results"

        # cleanup - delete the branch
        logger.info(f"Deleting the branch {new_branch}")
        repo.get_git_ref(f"heads/{new_branch}").delete()

        # If we reach here, the test is successful
        logger.info(f"Succeeded in running e2e test for GitHub app on the PR {pr.html_url}")
    except Exception as e:
        logger.error(f"Failed to run e2e test for GitHub app: {e}")
        # delete the branch
        logger.info(f"Deleting the branch {new_branch}")
        repo.get_git_ref(f"heads/{new_branch}").delete()
        assert False


if __name__ == '__main__':
    test_e2e_run_github_app()