#!/usr/bin/env python3
# coding=utf-8

#
# Copyright (c) 2022 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import os
import platform
import shutil
import stat
import sys
import time
import zipfile
import hashlib

from devicetest.core.exception import DeviceTestError
from devicetest.core.variables import get_project_path
from devicetest.error import ErrorMessage
from devicetest.error import ErrorCategory
from devicetest.log.logger import DeviceTestLog as log


def get_template_path(template_file_path, isdir=None):
    """
    @param template_file_path: Obtains the absolute path of the template screen cap path.
    @param isdir: Obtain the directory: True; Obtain the file: False;
                  None: Ignore the file type
    """
    template_file_path = template_file_path.replace("\\", "/")
    if os.path.isabs(template_file_path) \
            and (not isdir and os.path.isfile(template_file_path)):
        return os.path.abspath(template_file_path)

    # remove first str '/'
    if not os.path.isfile(template_file_path) and template_file_path.startswith("/"):
        template_file_path = template_file_path[1:]

    _fol = None
    if template_file_path.startswith("resource"):
        path = template_file_path[9:]
        from xdevice import EnvPool
        if EnvPool.resource_path is not None:
            folder = os.path.abspath(EnvPool.resource_path)
            _fol = travesal_folder(folder, path, isdir)
            if _fol is None:
                log.debug("Not found [%s] in env pool path %s, "
                          "continue to find template in resource path." % (
                              path, folder))
        if _fol is None:
            ecotest_resource_path = getattr(sys, "ecotest_resource_path", "")
            if ecotest_resource_path is not None:
                folder = os.path.abspath(ecotest_resource_path)
                _fol = travesal_folder(folder, path, isdir)
                if _fol is None:
                    log.debug("Not found [%s] in resource path %s, "
                              "continue to find template in other path." % (
                                  path, folder))
    else:
        _fol = get_resource_path(template_file_path)
    log.debug("get template path:{}".format(_fol))
    return _fol


def get_resource_path(resource_file_path, isdir=None):
    """
    @param resource_file_path: Obtains the absolute path of the resource file.
    @param isdir: Obtain the directory: True; Obtain the file: False;
                  None: Ignore the file type
    """
    resource_file_path = resource_file_path.replace("\\", "/")
    if os.path.isabs(resource_file_path) \
            and ((isdir is None and os.path.exists(resource_file_path))
                 or (not isdir and os.path.isfile(resource_file_path))
                 or (isdir and os.path.isdir(resource_file_path))):
        return os.path.abspath(resource_file_path)

    _fol = None
    from xdevice import EnvPool
    if EnvPool.resource_path is not None:
        folder = os.path.abspath(EnvPool.resource_path)
        _fol = travesal_folder(folder, resource_file_path, isdir)
        if _fol is None:
            log.debug("Not found [%s] in env pool path %s, "
                      "continue to find in project resource path." % (
                          resource_file_path, folder))

    if _fol is None:
        ecotest_resource_path = getattr(sys, "ecotest_resource_path", "")
        if ecotest_resource_path is not None:
            folder = os.path.abspath(ecotest_resource_path)
            _fol = travesal_folder(folder, resource_file_path, isdir)
            if _fol is None:
                log.debug("Not found [%s] in ecotest path %s, "
                          "continue to find in suit path." % (
                              resource_file_path, folder))

    from devicetest.core.variables import DeccVariable
    if _fol is None:
        folder = os.path.abspath(DeccVariable.project.resource_path)
        _fol = travesal_folder(folder, resource_file_path, isdir)
        if _fol is None:
            log.debug("Not found [%s] in product path %s, "
                      "continue to find in project resource path." % (
                          resource_file_path, folder))

    if _fol is None:
        folder = os.path.abspath(DeccVariable.project.test_suite_path)
        _fol = travesal_folder(folder, resource_file_path, isdir)
        if _fol is None:
            log.debug("Not found [%s] in product path %s, "
                      "continue to find in suit resource path." % (
                          resource_file_path, folder))

    if _fol is None:
        folder = os.path.abspath(get_project_path())
        _fol = travesal_folder(folder, resource_file_path, isdir)
        if _fol is None:
            log.debug("Not found [%s] in product path %s, "
                      "continue to find in project path." % (
                          resource_file_path, folder))

    if _fol is None:
        err_msg = ErrorMessage.Common.Code_0201008.format(resource_file_path)
        log.error(err_msg)
        raise DeviceTestError(err_msg)
    log.debug("get resource path:{}".format(_fol))
    return _fol


def travesal_folder(folder, folder_file_path, isdir=False):
    folder_file = os.path.join(folder, folder_file_path)
    if (isdir is None and os.path.exists(folder_file)) \
            or (not isdir and os.path.isfile(folder_file)) \
            or (isdir and os.path.isdir(folder_file)):
        return os.path.abspath(folder_file)

    if not os.path.exists(folder):
        return None

    for child in os.listdir(folder):
        if child == ".svn":
            continue

        folder_file = os.path.join(folder, child)
        if os.path.isdir(folder_file):
            if (isdir is None or isdir) \
                    and folder_file.endswith(os.sep + folder_file_path):
                return folder_file
            else:
                folder_ret = travesal_folder(folder_file,
                                             folder_file_path, isdir)
                if folder_ret is not None:
                    return folder_ret
        elif os.path.isfile(folder_file) \
                and folder_file.endswith(os.sep + folder_file_path) \
                and (isdir is None or not isdir):
            return folder_file

    return None


def os_open_file_write(file_path, content, mode="w"):
    try:
        flags = os.O_WRONLY | os.O_CREAT
        modes = stat.S_IWUSR | stat.S_IRUSR
        dir_path = os.path.dirname(file_path)
        if not os.path.isdir(dir_path):
            os.makedirs(dir_path)
        with os.fdopen(os.open(file_path, flags, modes), mode) as fout:
            fout.write(content)
    except Exception as error:
        err_msg = ErrorMessage.Common.Code_0201009
        log.error(err_msg, is_traceback=True)
        raise DeviceTestError(err_msg) from error


def os_open_file_read(file_path, mode="r"):
    try:
        flags = os.O_RDONLY
        modes = stat.S_IWUSR | stat.S_IRUSR
        with os.fdopen(os.open(file_path, flags, modes), mode) as fout:
            return fout.read()
    except FileNotFoundError as error:
        err_msg = ErrorMessage.Common.Code_0201001.format(ErrorCategory.Environment, file_path)
        log.error(err_msg, is_traceback=True)
        raise DeviceTestError(err_msg) from error
    except Exception as error:
        err_msg = ErrorMessage.Common.Code_0201010
        log.error(err_msg, is_traceback=True)
        raise DeviceTestError(err_msg) from error


def save_file(file_path, content):
    os_open_file_write(file_path, content, "wb")


def create_dir(create_path):
    """
    Creates a directory if it does not exist already.
    Args:
        create_path: The path of the directory to create.
    """
    full_path = os.path.abspath(os.path.expanduser(create_path))
    if not os.path.exists(full_path):
        os.makedirs(full_path, exist_ok=True)  # exist_ok=True 


def to_file(filename, content):
    """
    generate files
    """
    dirname = os.path.dirname(filename)
    if not os.path.isdir(dirname):
        os.makedirs(dirname)
    os_open_file_write(filename, content, "wb")


def delfile(filename):
    try:
        os.remove(filename)
    except Exception as exception:
        log.error(exception)
        if os.path.isfile(filename):
            if "nt" in sys.builtin_module_names:
                os.remove(filename)
            else:
                shutil.rmtree(filename)

    for _ in range(5):
        if os.path.isfile(filename):
            time.sleep(0.1)
            continue
        else:
            break

    if os.path.isfile(filename):
        log.error("Delete file %s failed." % filename)


def delfolder(dirname):
    try:
        shutil.rmtree(dirname)
    except Exception as _:
        if os.path.isdir(dirname):
            shutil.rmtree(dirname)

    for _ in range(5):
        if os.path.isdir(dirname):
            time.sleep(0.1)
            continue
        else:
            break

    if os.path.isdir(dirname):
        log.error("Delete folder %s failed." % dirname)


def copy_to_folder(src, des):
    """Copy a folder and its children or a file to another folder.
    """
    src = os.path.normpath(src)
    des = os.path.normpath(des)
    if not os.path.exists(src):
        log.error("No found [%s]" % src)
        return
    if not os.path.exists(des):
        create_dir(des)
    if not os.path.isdir(des):
        log.error("[%s] is not a folder." % des)
        return

    if not os.path.isdir(src):
        shutil.copy(src, des)
        return
    os.chdir(src)
    src_file_list = [os.path.join(src, src_file)
                     for src_file in os.listdir(des)]
    for source in src_file_list:
        if os.path.isfile(source):
            shutil.copy(source, des)
        if os.path.isdir(source):
            _, src_name = os.path.split(source)
            shutil.copytree(source, os.path.join(des, src_name))


def delete_file_folder(src):
    """
    @summary: Delete files or directories.
    """

    if os.path.isfile(src):
        delfile(src)
    elif os.path.isdir(src):
        delfolder(src)


def get_file_md5(file_name: str):
    """
    @summary: Get MD5 hash of a file.
    :param file_name:
    :return:
    """
    if platform.system() == "Windows":
        flags = os.O_RDONLY | os.O_BINARY
    else:
        flags = os.O_RDONLY
    fd = os.open(file_name, flags, 0o644)
    m = hashlib.md5()  # 创建md5对象
    with os.fdopen(fd, mode="rb") as f:
        while True:
            data = f.read(4096)
            if not data:
                break
            m.update(data)  # 更新md5对象
    return m.hexdigest()


def compress_and_remove(folder_path: str, archive_name: str) -> bool:
    """
    @summary: Compress and remove a file.
    :param folder_path:
    :param archive_name:
    :return:
    """
    try:
        shutil.make_archive(archive_name, 'zip', folder_path)
        shutil.rmtree(folder_path)
        return True
    except Exception as e:
        log.error(e)
        return False


def unzip_file(zip_path, extract_to):
    """
    解压指定的 ZIP 文件到目标目录

    :param zip_path: ZIP 文件路径
    :param extract_to: 解压到的目标目录
    """
    # 确保目标目录存在
    if not os.path.exists(extract_to):
        os.makedirs(extract_to)

    # 打开 ZIP 文件
    with zipfile.ZipFile(zip_path, 'r') as zip_ref:
        # 解压所有文件到目标目录
        zip_ref.extractall(extract_to)