#!/usr/bin/python3
import os
from git import Repo
from git.repo.fun import is_git_dir

file = "."
ROOT_DIR = os.path.dirname(os.path.abspath(file))
repo = Repo(ROOT_DIR)

# 查看当前分支
print(ROOT_DIR, repo.active_branch)

# 切换分支
repo.git.checkout('master')

# 获取版本库暂存区
index = repo.index

#添加修改文件 – 注意这里today为你需要修改或新增的文件
index.add(['today'])

#提交修改到本地仓库
index.commit('update report folder')

#获取远程仓库
remote = repo.remote()

#拉取远程仓库数据
remote.pull()

#推送本地修改到远程仓库
remote.push()

# 创建本地路径用来存放远程仓库下载的代码
download_path = os.path.join('NB')
# 拉取代码
Repo.clone_from('https://github.com/DominicJi/TeachTest.git',to_path=download_path,branch='master')

# ############## 2. pull最新代码 ##############
import os
from git.repo import Repo

local_path = os.path.join('NB')
repo = Repo(local_path)
repo.git.pull()

# ############## 3. 获取所有分支 ##############
import os
from git.repo import Repo

local_path = os.path.join('NB')
repo = Repo(local_path)

branches = repo.remote().refs
for item in branches:
    print(item.remote_head)

# ############## 4. 获取所有版本 ##############
import os
from git.repo import Repo

local_path = os.path.join('NB')
repo = Repo(local_path)

for tag in repo.tags:
    print(tag.name)

# ############## 5. 获取所有commit ##############
import os
from git.repo import Repo

local_path = os.path.join('NB')
repo = Repo(local_path)

# 将所有提交记录结果格式成json格式字符串 方便后续反序列化操作
commit_log = repo.git.log('--pretty={"commit":"%h","author":"%an","summary":"%s","date":"%cd"}', max_count=50,
                          date='format:%Y-%m-%d %H:%M')
log_list = commit_log.split("\n")
real_log_list = [eval(item) for item in log_list]
print(real_log_list)

# ############## 6. 切换分支 ##############
import os
from git.repo import Repo

local_path = os.path.join('NB')
repo = Repo(local_path)

before = repo.git.branch()
print(before)
repo.git.checkout('master')
after = repo.git.branch()
print(after)
repo.git.reset('--hard', '854ead2e82dc73b634cbd5afcf1414f5b30e94a8')

# ############## 7. 打包代码 ##############
import os
from git.repo import Repo

local_path = os.path.join('NB')
repo = Repo(local_path)

with open(os.path.join('NB.tar'), 'wb') as fp:
    repo.archive(fp)

class GitRepository(object):
    """
    git仓库管理
    """
    def __init__(self, local_path, repo_url, branch='master'):
        self.local_path = local_path
        self.repo_url = repo_url
        self.repo = None
        self.initial(repo_url, branch)

    def initial(self, repo_url, branch):
        """
        初始化git仓库
        :param repo_url:
        :param branch:
        :return:
        """
        if not os.path.exists(self.local_path):
            os.makedirs(self.local_path)

        git_local_path = os.path.join(self.local_path, '.git')
        if not is_git_dir(git_local_path):
            self.repo = Repo.clone_from(repo_url, to_path=self.local_path, branch=branch)
        else:
            self.repo = Repo(self.local_path)

    def pull(self):
        """
        从线上拉最新代码
        :return:
        """
        self.repo.git.pull()

    def branches(self):
        """
        获取所有分支
        :return:
        """
        branches = self.repo.remote().refs
        return [item.remote_head for item in branches if item.remote_head not in ['HEAD', ]]

    def commits(self):
        """
        获取所有提交记录
        :return:
        """
        commit_log = self.repo.git.log('--pretty={"commit":"%h","author":"%an","summary":"%s","date":"%cd"}',
                                       max_count=50,
                                       date='format:%Y-%m-%d %H:%M')
        log_list = commit_log.split("\n")
        return [eval(item) for item in log_list]

    def tags(self):
        """
        获取所有tag
        :return:
        """
        return [tag.name for tag in self.repo.tags]

    def change_to_branch(self, branch):
        """
        切换分值
        :param branch:
        :return:
        """
        self.repo.git.checkout(branch)

    def change_to_commit(self, branch, commit):
        """
        切换commit
        :param branch:
        :param commit:
        :return:
        """
        self.change_to_branch(branch=branch)
        self.repo.git.reset('--hard', commit)

    def change_to_tag(self, tag):
        """
        切换tag
        :param tag:
        :return:
        """
        self.repo.git.checkout(tag)


if __name__ == '__main__':
    local_path = os.path.join('codes', 'luffycity')
    repo = GitRepository(local_path, 'https://github.com/DominicJi/TeachTest.git', 'master')
    branch_list = repo.branches()
    print(branch_list)
    repo.change_to_branch('dev')
    repo.pull()