# -*- coding: <encoding name> -*-
from git import Repo
from os.path import split, exists
import os
import subprocess
from time import time
import random

sys_seeting = dict(
    shell=True,
    stdin=subprocess.PIPE,
    stdout=subprocess.PIPE,
    stderr=subprocess.STDOUT,
    universal_newlines=True)
git_path = 'git'  # git的地址，如果配置了环境变量则不需要修改
stop_key = '【操作完成】'  # 存储stopKey的global变量
passwd = '1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM'  # stopKey的候选词库


class GitRepo:  # git的基类
    def __init__(self, repo_dir, *args, **kwargs):
        self.url = None
        try:
            if exists(repo_dir + r'/.git'):  # 是否为git 仓库
                pass
            elif repo_dir[-4:] == '.git':
                repo_dir = repo_dir[:-5]  # -5,得把/去掉
            else:
                raise Exception
        except BaseException:
            subprocess.Popen(
                f'{git_path} init',
                cwd=self.repo_dir,
                **sys_seeting).wait()
        self.repo_dir = repo_dir  # 仓库地址(末尾不带/)
        self.repo = Repo(repo_dir)  # 读取一个仓库
        self.name = split(repo_dir)[-1]
        self.have_clone = True

    def make_stop_key(self):  # 生成一个随机stopKey
        global stop_key, passwd
        code = ''
        for _ in range(8):  # 八位随机数
            code += passwd[random.randint(0, len(passwd) - 1)]  # 时间戳+8位随机数
        stop_key = (str(time()) + code).replace('.', '')
        return stop_key

    def get_flie_list(self, file_list, is_file=True, pat=' '):
        if file_list == '.':
            file = '..'
        else:
            file_ = []
            for i in file_list:
                if i[:len(self.repo_dir)] == self.repo_dir:
                    file_.append(i[len(self.repo_dir) + 1:])  # +1是为了去除/
            if not is_file:
                return file_
            file = pat.join(file_)
        return file

    def dir_list(self, all=True):
        listfile = []
        if all:
            listfile += [
                f'[当前分支] {self.repo.active_branch} 工作区{"不" if self.repo.is_dirty() else ""}干净 -> {self.name}']
        listfile += [f'{"[配置文件]" if i == ".git" else "[未跟踪]"if i in self.repo.untracked_files else "[已跟踪]"} {i}'
                     for i in os.listdir(self.repo_dir)]
        return listfile

    def add(self, file_list):
        file = self.get_flie_list(file_list)
        return subprocess.Popen(
            f'echo 添加文件... && {git_path} add {file} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def del_cached_file(self, file_list):
        file = self.get_flie_list(file_list)
        return subprocess.Popen(
            f'echo 撤销文件... && {git_path} rm --cached {file} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def commit_file(self, m):
        return subprocess.Popen(
            f'echo 提交文件: && {git_path} commit -m "{m}" && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def status(self):  # 执行status
        return subprocess.Popen(
            f'echo 仓库状态: && {git_path} status && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def log(self, graph, pretty, abbrev):  # 执行log
        args = ''
        if graph:
            args += ' --graph'
        if pretty:
            args += ' --pretty=oneline'
        if abbrev:
            args += ' --abbrev-commit'
        return subprocess.Popen(
            f'echo 仓库日志: && {git_path} log{args} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def do_log(self):  # 执行reflog
        return subprocess.Popen(
            f'echo 操作记录: && {git_path} reflog && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def diff(self, MASTER='HEAD'):  # 执行diff
        return subprocess.Popen(
            f'echo 文件日志: && {git_path} diff {MASTER} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def reset(self, HEAD='HEAD~1', Type=0):
        if Type == 0:
            type_ = '--mixed'  # 退回到工作区
        elif Type == 1:
            type_ = '--soft'  # 退回到暂存区
        else:
            type_ = '--hard'  # 退回到暂存区
        return subprocess.Popen(
            f'echo 回退... && {git_path} reset {type_} {HEAD} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def checkout(self, file_list):
        if len(file_list) >= 1:  # 多于一个文件，不用--，空格
            file = self.get_flie_list(file_list, pat=' ')
            return subprocess.Popen(
                f'echo 丢弃修改: && {git_path} checkout {file} && echo {self.make_stop_key()}',
                cwd=self.repo_dir,
                **sys_seeting)
        elif len(file_list) == 1:
            return subprocess.Popen(
                f'echo 丢弃修改: && {git_path} checkout -- {file_list[0]} && echo {self.make_stop_key()}',
                cwd=self.repo_dir,
                **sys_seeting)
        else:
            return subprocess.Popen(
                f'echo 丢弃修改: && {git_path} checkout * && echo {self.make_stop_key()}',
                cwd=self.repo_dir,
                **sys_seeting)

    def rm(self, file_list):  # 删除版本库中的文件
        file = self.get_flie_list(file_list)
        return subprocess.Popen(
            f'echo 删除... && {git_path} rm {file}',
            cwd=self.repo_dir,
            **sys_seeting)

    def branch_view(self):  # 查看本地分支和远程分支
        return subprocess.Popen(
            f'echo 仓库分支: && {git_path} branch -a && echo 远程仓库信息: && {git_path} remote -v && '
            f'echo 分支详情: && {git_path} branch -vv && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def new_branch(self, branch_name, origin):  # 新建分支
        return subprocess.Popen(
            f'echo 新建分支... && {git_path} branch {branch_name} {origin} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def switch_branch(self, branch_name):  # 切换分支
        return subprocess.Popen(
            f'echo 切换分支... && {git_path} switch {branch_name} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def del_branch(self, branch_name, del_type):  # 删除分支
        return subprocess.Popen(
            f'echo 删除分支... && {git_path} branch -{del_type} {branch_name} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def merge_branch(self, branch_name, no_ff, m=''):  # 合并分支
        if no_ff:
            no_ff = f' --no-ff -m "{m}"'  # --no-ff前有空格
        else:
            no_ff = ''
        return subprocess.Popen(
            f'echo 合并分支... && {git_path} merge{no_ff} {branch_name} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def merge_abort(self):  # 退出冲突处理
        return subprocess.Popen(
            f'echo 冲突处理退出... && {git_path} merge --abort && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def save_stash(self):  # 保存工作区
        return subprocess.Popen(
            f'echo 保存工作区... && {git_path} stash && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def get_stash_list(self):  # 工作区列表
        return subprocess.Popen(
            f'echo 工作区列表: && {git_path} stash list && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def apply_stash(self, stash_num='0'):  # 恢复工作区
        return subprocess.Popen(
            f'echo 恢复工作区... && {git_path} stash apply stash@{{{stash_num}}} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def drop_stash(self, stash_num='0'):  # 删除工作区
        return subprocess.Popen(
            f'echo 删除工作区... && {git_path} stash drop stash@{{{stash_num}}} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def cherry_pick(self, commit):  # 补丁
        return subprocess.Popen(
            f'echo 补丁... && {git_path} cherry-pick {commit} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def del_remote(self, remote_name):
        return subprocess.Popen(
            f'echo 删除远程仓库... && {git_path} remote remove {remote_name} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def remote_add(self, remote, remote_name):
        return subprocess.Popen(
            f'echo 添加远程仓库... && {git_path} remote add {remote_name} {remote} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def bind_branch(self, local_name, remote_name):
        return subprocess.Popen(
            f'echo 分支绑定... && {git_path} branch --set-upstream-to={remote_name} {local_name} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def push_tag(self, tag, remote_name):
        return subprocess.Popen(
            f'echo 推送标签... && {git_path} push {remote_name} {tag} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def del_tag(self, tag):
        return subprocess.Popen(
            f'echo 删除本地标签... && {git_path} tag -d {tag} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def add_tag(self, tag, commit, message=''):
        a = ' -a'
        if message != '':
            message = f' -m "{message}"'  # 自带空格
        else:
            a = ''
        if commit != '':
            commit = f' {commit}'  # 自带空格
        return subprocess.Popen(
            f'echo 添加标签... && {git_path} tag{a} {tag}{commit}{message} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def get_tag_list(self, condition=''):
        if condition != '':
            condition = f' -l {condition}'
        return subprocess.Popen(
            f'echo 标签列表: && {git_path} tag{condition} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def search_commit(self, condition):
        return subprocess.Popen(
            f'echo 查询结果: && {git_path} show {condition} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def pull_push(
        self,
        pull_or_push=0,
        remote='',
        remote_branch='',
        local='',
        allow=False,
        u=False,
            f=False):
        # 处理逻辑
        # 1）remote去斜杠第一个作为主机名字
        # 2) 从remote分离主机名(如果没指定)
        # 3) 如果local为空，用HEAD填充
        # 4) 如果以上后，主机名仍为空，则local和分支均为空

        split = remote.split('/')
        try:
            remote_name = split[0]  # 获取主机名 1）
        except BaseException:
            remote_name = ''  # 没有主机名 1）

        branch_split = remote_branch.split('/')
        if len(branch_split) >= 2 and remote_name == '':
            remote_name = branch_split[0]  # 2)
            remote_branch = '/'.join(branch_split[1:])  # 2)
        if local.replace(' ', '') == '':
            local = 'HEAD'  # 3)
        if remote_name == '':  # 4)
            branch = ''
        else:
            if pull_or_push == 1:
                # 注意，local不可以为空，也不会为空
                if remote_branch != '':
                    # git push <远程主机名> <本地分支名>:<远程分支名>
                    branch = f'{local}:{remote_branch}'
                else:
                    branch = f'{local}'  # 要去掉冒号
            else:
                if remote_branch != 'HEAD':
                    # git push <远程主机名> <本地分支名>:<远程分支名>
                    branch = f'{remote_branch}:{local}'
                else:
                    branch = f'{remote_branch}'

        if allow:
            history = ' --allow-unrelated-histories'
        else:
            history = ''
        push_pull = {
            0: "pull",
            1: f"push{' -u' if u else ''}{' -f' if f else ''}"}
        return subprocess.Popen(
            f'''echo 与服务器连接... && {git_path} {push_pull.get(pull_or_push, "pull")}{history} {remote_name} {branch} 
&& echo {self.make_stop_key()}''',
            cwd=self.repo_dir,
            **sys_seeting)

    def del_branch_remote(self, remote, remote_branch):
        remote_split = remote.split('/')
        try:
            remote_name = remote_split[0]  # 获取主机名 1）
        except BaseException:
            remote_name = ''  # 没有主机名 1）
        branch_split = remote_branch.split('/')
        if len(branch_split) >= 2 and remote_name == '':
            remote_name = branch_split[0]  # 2)
            remote_branch = '/'.join(branch_split[1:])  # 2)
        return subprocess.Popen(
            f'echo 删除远程分支... && {git_path} push {remote_name} :{remote_branch} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def del_tag_remote(self, remote, tag):
        return subprocess.Popen(
            f'echo 删除远程标签... && {git_path} push {remote} :refs/tags/{tag} && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def fetch(self, remote, remote_branch, local):
        # 处理逻辑
        # 1）remote去斜杠第一个作为主机名字
        # 2) 从remote分离主机名(如果没指定)
        # 3) 如果local为空，用HEAD填充
        # 4) 如果以上后，主机名仍为空，则local和分支均为空

        split = remote.split('/')
        try:
            remote_name = split[0]  # 获取主机名 1）
        except BaseException:
            remote_name = ''  # 没有主机名 1）

        branch_split = remote_branch.split('/')
        if len(branch_split) >= 2 and remote_name == '':
            remote_name = branch_split[0]  # 2)
            remote_branch = '/'.join(branch_split[1:])  # 2)
        if local.replace(' ', '') == '':
            local = 'HEAD'  # 3)
        if remote_name == '':  # 4)
            branch = ''
        else:
            if remote_branch != 'HEAD':
                # git push <远程主机名> <本地分支名>:<远程分支名>
                branch = f'{remote_branch}:{local}'
            else:
                branch = f'{remote_branch}'

        return subprocess.Popen(
            f'''echo 更新远程仓库... && {git_path} fetch {remote_name} {branch} && echo {self.make_stop_key()}''',
            cwd=self.repo_dir,
            **sys_seeting)

    def customize_command(self, command: str):
        return subprocess.Popen(f'{command} && echo {self.make_stop_key()}', cwd=self.repo_dir, **sys_seeting)

    def clone(self, url):
        return subprocess.Popen(
            f'echo 克隆操作不被允许 && echo {self.make_stop_key()}',
            cwd=self.repo_dir,
            **sys_seeting)

    def make_dir(self, dir):
        if len(dir) == '':
            return dir
        inside = '/'
        if dir[0] == '/':
            inside = ''
        return self.repo_dir + inside + dir

    def reset_file(self, hard, file_list):  # 注意版本回退是:Reset_File
        file = self.get_flie_list(file_list)
        return subprocess.Popen(
            f'''echo 回退文件... && {git_path} reset {hard} {file} && echo {self.make_stop_key()}''',
            cwd=self.repo_dir, **sys_seeting)

    def rename_branch(self, old_name, new_name):
        return subprocess.Popen(
            f'''echo 回退文件... && {git_path} branch -m {old_name} {new_name} && echo {self.make_stop_key()}''',
            cwd=self.repo_dir, **sys_seeting)


class CloneGit(GitRepo):  # Clone一个git
    def __init__(self, Dic, *args, **kwargs):
        self.Repo_Dic = Dic  # 仓库地址
        self.url = None
        self.name = split(Dic)[-1]
        self.have_clone = False

    def clone(self, url):
        if self.have_clone:
            super(CloneGit, self).clone(url)
        self.have_clone = True
        return subprocess.Popen(
            f'echo 正在克隆... && {git_path} clone {url} {self.Repo_Dic}',
            cwd=split(
                self.Repo_Dic)[0],
            **sys_seeting)

    def after_clone(self):
        self.repo = Repo(self.Repo_Dic)


class git_Ctrol:
    def __init__(self):
        self.git_dict = {}  # 名字-文件位置
        self.git_type_dict = {}  # 名字-类型

    def open_repo(self, repo_dir, **kwargs):
        git = GitRepo(repo_dir)
        self.git_dict[git.name] = git
        self.git_type_dict[git.name] = 'init'
        return git.name

    def clone_repo(self, repo_dir, **kwargs):
        git = CloneGit(repo_dir)
        self.git_dict[git.name] = git
        self.git_type_dict[git.name] = 'clone'
        return git.name

    def get_git(self, name):
        return self.git_dict[name]

    def get_git_dict(self):
        return self.git_dict.copy()

    def get_dir(self, name):
        return self.get_git(name).dir_list()

    def add_file(self, name, file_list):
        return self.get_git(name).add(file_list)

    def del_cached_file(self, name, file_list):
        return self.get_git(name).del_cached_file(file_list)  # 移除出去暂存区

    def commit_file(self, name, message):
        return self.get_git(name).commit_file(message)

    def log(self, name, graph, pretty, abbrev):
        return self.get_git(name).log(graph, pretty, abbrev)

    def do_log(self, name):
        return self.get_git(name).do_log()

    def status(self, name):
        return self.get_git(name).status()

    def diff_file(self, name, brach):
        return self.get_git(name).diff(brach)

    def back_version(self, name, head, reset_type=0):
        return self.get_git(name).reset(head, reset_type)  # 版本回退HEAD

    def back_version_file(self, name, head, file_list):
        return self.get_git(name).reset_file(head, file_list)  # 文件回退

    def checkout_version(self, name, file):
        return self.get_git(name).checkout(file)  # 弹出

    def rm(self, name, file):
        return self.get_git(name).rm(file)

    def branch_view(self, name):
        return self.get_git(name).branch_view()

    def new_branch(self, name, new_branch, origin):
        return self.get_git(name).new_branch(new_branch, origin)

    def switch_branch(self, name, branch_name):
        return self.get_git(name).switch_branch(branch_name)

    def del_branch(self, name, branch_name, type_):
        d = {1: 'd', 0: 'D'}.get(type_, 'd')
        return self.get_git(name).del_branch(branch_name, d)

    def merge_branch(self, name, branch_name, no_ff, m):
        return self.get_git(name).merge_branch(branch_name, no_ff, m)

    def merge_abort(self, name):
        return self.get_git(name).merge_abort()

    def save_stash(self, name):
        return self.get_git(name).save_stash()

    def stash_list(self, name):
        return self.get_git(name).get_stash_list()

    def apply_stash(self, name, stash_num='0'):
        return self.get_git(name).apply_stash(stash_num)

    def drop_stash(self, name, stash_num='0'):
        return self.get_git(name).drop_stash(stash_num)

    def cherry_pick(self, name, commit):
        return self.get_git(name).cherry_pick(commit)

    def del_remote(self, name, remote_name):
        return self.get_git(name).del_remote(remote_name)

    def remote_add(self, name, remote, remote_name):
        return self.get_git(name).remote_add(remote, remote_name)

    def bind_branch(self, name, local_name, remote_name):
        return self.get_git(name).bind_branch(local_name, remote_name)

    def pull_from_remote(self, name, local_name, remote_name, remote_branch, allow=False, u=False):
        return self.get_git(name).pull_push(
            0, remote_name, remote_branch, local_name, allow, u, False)

    def push_to_remote(self, name, local_name, remote_name, remote_branch, u=False, f=False):
        return self.get_git(name).pull_push(
            1, remote_name, remote_branch, local_name, False, u, f)  # push没有allow选项

    def tag(self, name, condition=''):
        return self.get_git(name).get_tag_list(condition)  # push没有allow选项

    def show_new(self, name, condition):
        return self.get_git(name).search_commit(condition)  # push没有allow选项

    def add_tag(self, name, tag, commit, message=''):
        return self.get_git(name).add_tag(
            tag, commit, message)  # push没有allow选项

    def push_tag(self, name, tag, remoto):
        return self.get_git(name).push_tag(tag, remoto)

    def push_all_tag(self, name, remoto):
        return self.get_git(name).push_tag('--tags', remoto)

    def del_tag_remote(self, name, remote, tag):
        return self.get_git(name).del_tag_remote(remote, tag)

    def del_branch_remote(self, name, remote, remote_Branch):
        return self.get_git(name).del_branch_remote(remote, remote_Branch)

    def del_tag(self, name, tag):
        return self.get_git(name).del_tag(tag)

    def fetch(self, name, local_name, remote_name, remote_branch):
        return self.get_git(name).fetch(remote_name, remote_branch, local_name)

    def customize_command(self, name, command: str):
        return self.get_git(name).customize_command(command)

    def clone(self, name, url):
        return self.get_git(name).clone(url)

    def after_clone(self, name):
        try:
            return self.get_git(name).after_clone()
        except BaseException:
            return None

    def make_dir(self, name, dir):
        return self.get_git(name).make_dir(dir)

    def rename_branch(self, name, old_name, new_name):
        return self.get_git(name).rename_branch(old_name, new_name)