#!/usr/bin/env python3

import os
import logging
import subprocess
import sys

from github import Github

from env_helper import TEMP_PATH, REPO_COPY, REPORTS_PATH
from s3_helper import S3Helper
from get_robot_token import get_best_robot_token
from pr_info import PRInfo
from build_download_helper import download_shared_build
from upload_result_helper import upload_results
from docker_pull_helper import get_image_with_version
from commit_status_helper import post_commit_status
from clickhouse_helper import ClickHouseHelper, prepare_tests_results_for_clickhouse
from stopwatch import Stopwatch
from rerun_helper import RerunHelper


DOCKER_IMAGE = "clickhouse/split-build-smoke-test"
DOWNLOAD_RETRIES_COUNT = 5
RESULT_LOG_NAME = "run.log"
CHECK_NAME = "Split build smoke test"


def process_result(result_folder, server_log_folder):
    status = "success"
    description = "Server started and responded"
    summary = [("Smoke test", "OK")]
    with open(os.path.join(result_folder, RESULT_LOG_NAME), "r") as run_log:
        lines = run_log.read().split("\n")
        if not lines or lines[0].strip() != "OK":
            status = "failure"
            logging.info("Lines is not ok: %s", str("\n".join(lines)))
            summary = [("Smoke test", "FAIL")]
            description = "Server failed to respond, see result in logs"

    result_logs = []
    server_log_path = os.path.join(server_log_folder, "clickhouse-server.log")
    stderr_log_path = os.path.join(result_folder, "stderr.log")
    client_stderr_log_path = os.path.join(result_folder, "clientstderr.log")
    run_log_path = os.path.join(result_folder, RESULT_LOG_NAME)

    for path in [
        server_log_path,
        stderr_log_path,
        client_stderr_log_path,
        run_log_path,
    ]:
        if os.path.exists(path):
            result_logs.append(path)

    return status, description, summary, result_logs


def get_run_command(build_path, result_folder, server_log_folder, docker_image):
    return (
        f"docker run --network=host --volume={build_path}:/package_folder"
        f" --volume={server_log_folder}:/var/log/clickhouse-server"
        f" --volume={result_folder}:/test_output"
        f" {docker_image} >{result_folder}/{RESULT_LOG_NAME}"
    )


if __name__ == "__main__":
    logging.basicConfig(level=logging.INFO)

    stopwatch = Stopwatch()

    temp_path = TEMP_PATH
    repo_path = REPO_COPY
    reports_path = REPORTS_PATH

    pr_info = PRInfo()

    gh = Github(get_best_robot_token())

    rerun_helper = RerunHelper(gh, pr_info, CHECK_NAME)
    if rerun_helper.is_already_finished_by_status():
        logging.info("Check is already finished according to github status, exiting")
        sys.exit(0)

    for root, _, files in os.walk(reports_path):
        for f in files:
            if f == "changed_images.json":
                images_path = os.path.join(root, "changed_images.json")
                break

    docker_image = get_image_with_version(reports_path, DOCKER_IMAGE)

    packages_path = os.path.join(temp_path, "packages")
    if not os.path.exists(packages_path):
        os.makedirs(packages_path)

    download_shared_build(CHECK_NAME, reports_path, packages_path)

    server_log_path = os.path.join(temp_path, "server_log")
    if not os.path.exists(server_log_path):
        os.makedirs(server_log_path)

    result_path = os.path.join(temp_path, "result_path")
    if not os.path.exists(result_path):
        os.makedirs(result_path)

    run_command = get_run_command(
        packages_path, result_path, server_log_path, docker_image
    )

    logging.info("Going to run command %s", run_command)
    with subprocess.Popen(run_command, shell=True) as process:
        retcode = process.wait()
        if retcode == 0:
            logging.info("Run successfully")
        else:
            logging.info("Run failed")

    subprocess.check_call(f"sudo chown -R ubuntu:ubuntu {temp_path}", shell=True)
    print("Result path", os.listdir(result_path))
    print("Server log path", os.listdir(server_log_path))

    state, description, test_results, additional_logs = process_result(
        result_path, server_log_path
    )

    ch_helper = ClickHouseHelper()
    s3_helper = S3Helper("https://s3.amazonaws.com")
    report_url = upload_results(
        s3_helper,
        pr_info.number,
        pr_info.sha,
        test_results,
        additional_logs,
        CHECK_NAME,
    )
    print(f"::notice ::Report url: {report_url}")
    post_commit_status(gh, pr_info.sha, CHECK_NAME, description, state, report_url)

    prepared_events = prepare_tests_results_for_clickhouse(
        pr_info,
        test_results,
        state,
        stopwatch.duration_seconds,
        stopwatch.start_time_str,
        report_url,
        CHECK_NAME,
    )

    ch_helper.insert_events_into(db="default", table="checks", events=prepared_events)

    if state == "error":
        sys.exit(1)