import os
import subprocess
import requests

BITBUCKET_REPO_OWNER = "aarete"
BITBUCKET_REPO_SLUG = "doczy.ai"
BB_PIPELINE_BRANCH = os.getenv("BB_PIPELINE_BRANCH", "DEV")
BITBUCKET_AUTH_HEADER = os.getenv("BITBUCKET_AUTH_HEADER")

from terminal import run_command, prepare_logger, decorate_warn

LOGGER = prepare_logger()


def check_bitbucket_auth_header():
    if os.getenv("BITBUCKET_CI") == "true" and not BITBUCKET_AUTH_HEADER:
        raise EnvironmentError("Error: BITBUCKET_AUTH_HEADER is not set.")


def get_last_successful_commit(module):
    if os.getenv("BITBUCKET_CI") != "true":
        rc, result = run_command("git rev-parse HEAD", log_output=True, log_cmd=True, log_prefix=f"[{module}]")
        return result

    for commit in subprocess.check_output(["git", "log", "--format=%h", "-n", "30"]).decode().split():
        url = f"https://api.bitbucket.org/2.0/repositories/{BITBUCKET_REPO_OWNER}/{BITBUCKET_REPO_SLUG}/commit/{commit}/statuses/"
        LOGGER.info(f"commit={commit}, url={url}")
        basic_url_headers = {
            BITBUCKET_AUTH_HEADER.split(": ")[0]: BITBUCKET_AUTH_HEADER.split(": ")[1]
        }
        response = requests.get(url, headers=basic_url_headers).json()
        LOGGER.debug(f"response={response}")

        for item in response.get('values', []):
            name = item['name']
            if "security/snyk" in name or "iacbot" in name:
                continue
            commit_state = item['state']
            ref_name = item['refname']
            updated_on = item['updated_on']

            LOGGER.info(
                f"COMMIT={commit}, COMMIT_STATE={commit_state}, REF_NAME={ref_name}, NAME={name}, UPDATED_ON={updated_on}")

            if commit_state == "SUCCESSFUL" and ref_name.startswith(BB_PIPELINE_BRANCH):
                return commit

    return commit


def get_changes_output(module, last_successful_commit):
    if os.getenv("BITBUCKET_CI") == "true":
        _, result = run_command(f"git diff --dirstat=files,0 {last_successful_commit} | sed -E 's/^[ 0-9.]+% //g'",
                                log_output=True, log_cmd=True, log_prefix=f"[{module}]")
        return result
    else:
        _, result = run_command("git diff --dirstat=files,0 HEAD~1 | sed -E 's/^[ 0-9.]+% //g'",
                                log_output=True, log_cmd=True, log_prefix=f"[{module}]")
        return result


def is_deploy_module(module, dir_prefix):
    check_bitbucket_auth_header()
    if os.getenv("IS_DEPLOY_ALL") == "true":
        return True
    if os.getenv("SKIP_DEPLOY"):
        return False
    if module == os.getenv("MODULE_NAME"):
        return True
    elif os.getenv("MODULE_NAME"):
        return False

    changes_output = get_changes_output(module, get_last_successful_commit(module))

    LOGGER.info(f"changes_output={changes_output}")

    special_checks = [
        ("textract-pipeline/terraform", "textract-pipeline/src"),
    ]

    for mod, pattern in special_checks:
        pattern_found = any(pattern in change for change in changes_output)
        if module == mod and pattern_found:
            LOGGER.info(decorate_warn(f"Marking {module} as changed based on the special pattern={pattern}"))
            return True

    if f"{dir_prefix}{module}/" in changes_output:
        return True

    return False