import os
import io
import sys
import platform
import shutil
import time
import subprocess
import json
import datetime
import socket
from threading import Thread
from api.utils import shell_execute, network, docker, const
from api.model.app import App
from api.model.response import Response

# 获取所有app的信息
def get_my_app(app_name=None):

    ret = Response(code=const.RETURN_FAIL, message="app查询失败")

    # get all info
    cmd = "sudo docker compose ls -a"
    output = shell_execute.execute_command_output_all(cmd)
    if int(output["code"]) == 0:
        output_list = output["result"].split("\n")
        list = []
        output_list = output_list[1:-1]
        list = set_app_info(output_list)
        flag = 0
        if app_name != None:
            for app in list:
                if app["name"] == app_name:
                    list.clear()
                    list.append(app)
                    flag = 1
                    break
        if app_name == None or flag == 1:
            ret = Response(code=const.RETURN_SUCCESS,
                           message="app查询成功", data=list)
    ret = ret.dict()
    return ret


def set_app_info(output_list):
    ip_result = shell_execute.execute_command_output_all("curl ifconfig.me")
    ip = ip_result["result"]
    app_list = []
    for app_info in output_list:
        app_name = app_info.split()[0]  # app_name

        real_name = docker.read_var(app_name, 'name')
        image_url = "https://libs.websoft9.com/Websoft9/logo/product/" + real_name + "-websoft9.png"
        # get trade_mark
        trade_mark = docker.read_var(app_name, 'trademark')
        app_id = real_name + "_" + app_name  # app_id
        case = app_info.split()[1].split("(")[0]  # case
        if case == "running":
            case_code = const.RETURN_RUNNING  # case_code
        elif case == "exited":
            case = "stop"
            case_code = const.RETURN_STOP
        elif case == "installing":
            case_code = const.RETURN_READY
        else:
            case_code = const.RETURN_ERROR
        volume = app_info.split()[-1]  # volume
        # get env info
        path = "/data/apps/" + app_name + "/.env"
        port = 0
        url = "-"
        admin_url = "-"
        # get port and url
        try:
            http_port = list(docker.read_env(
                path, "APP_HTTP_PORT").values())[0]
            port = int(http_port)
            easy_url = "http://" + ip + ":" + str(port)
            url = get_url(real_name, easy_url)
            admin_url = get_admin_url(real_name, url)
        except IndexError:
            try:
                db_port = list(docker.read_env(
                    path, "APP_DB.*_PORT").values())[0]
                port = int(db_port)
            except IndexError:
                pass
        # get user_name
        user_name = "-"
        try:
            user_name = list(docker.read_env(path, "APP_USER").values())[0]
        except IndexError:
            pass
        # get password
        password = "-"
        try:
            password = list(docker.read_env(
                path, "POWER_PASSWORD").values())[0]
        except IndexError:
            pass

        app = App(app_id=app_id, name=real_name, customer_name=app_name, status_code=case_code, status=case, port=port, volume=volume, url=url,
                  image_url=image_url, admin_url=admin_url, trade_mark=trade_mark, user_name=user_name, password=password)
        app_list.append(app.dict())

    file_path = "/data/apps/running_apps.txt"
    if os.path.exists(file_path) and os.path.getsize(file_path):
        with open(file_path, "r", encoding="utf-8") as f:
            for running_app_name in f:
                image_url = "https://libs.websoft9.com/Websoft9/logo/product/" + \
                    running_app_name + "-websoft9.png"
                trade_mark = docker.read_var(running_app_name, 'trademark')
                real_name = docker.read_var(running_app_name, 'name')
                app = App(app_id=real_name + "_" + running_app_name, name=real_name, customer_name=running_app_name, status_code=const.RETURN_READY, status="installing", port=0, volume="-",
                          url="-", image_url=image_url, admin_url="-", trade_mark=trade_mark, user_name="-", password="-")
                app_list.append(app.dict())
    return app_list


def get_url(app_name, easy_url):

    url = easy_url
    if app_name == "joomla":
        url = easy_url + "/administrator"
    elif app_name == "other":
        url = easy_url + "/administrator"
    else:
        url = easy_url
    return url


def get_admin_url(app_name, url):

    admin_url = "-"
    if app_name == "wordpress":
        admin_url = url + "/wp-admin"
    elif app_name == "other":
        admin_url = url + "/admin"
    else:
        admin_url = "-"
    return admin_url


def install_app_process(app_name):

    real_name = docker.read_var(app_name, 'name')
    if docker.check_app_directory(app_name):
        percentage = docker.get_process_perc(app_name, real_name)
        ret = Response(code=const.RETURN_SUCCESS, message=percentage)
        ret = ret.dict()
    else:
        ret = Response(code=const.RETURN_FAIL, message="目前没有安装此App")
        ret = ret.dict()
    return ret


def install_app(app_name, customer_app_name, app_version):

    if docker.check_vm_resource(app_name) == False:
       ret = Response(code=const.RETURN_FAIL , message="系统资源(内存、CPU、磁盘)不足，继续安装可能导致应用无法运行或服务器异常！")
       ret = ret.dict()
       return ret

    app_file_path = '/data/apps/'+app_name
    running_file_path = "/data/apps/running_apps.txt"
    unique_app_path = "/data/apps/"+customer_app_name

    if os.path.exists(running_file_path) and os.path.getsize(running_file_path):
        ret = Response(code=const.RETURN_SUCCESS, message="已有应用正在启动，请稍后再试")
        ret = ret.dict()

    # 防止app名重复
    if if_app_exits(customer_app_name):
        ret = Response(code=const.RETURN_FAIL,
                       message="APP名称已经使用，请指定其他名称重新安装。")
        ret = ret.dict()
        return ret

    elif docker.check_app_directory(app_name):

        if app_name != customer_app_name:
            output = shell_execute.execute_command_output_all(
                "cp -r /data/apps/" + app_name + " /data/apps/" + customer_app_name)
            if int(output["code"]) != 0:
                ret.code = const.RETURN_FAIL
                ret.message = "创建" + customer_app_name + "目录失败."
                ret = ret.dict()
                return ret
            env_file = unique_app_path + '/.env'
            docker.modify_env(env_file, 'APP_NAME', customer_app_name)
  
        # check port
        docker.check_app_compose(customer_app_name)
        if app_version != None:
            path = "/data/apps/"+customer_app_name+"/.env"
            docker.modify_env(path, "APP_VERSION", app_version)
        t1 = Thread(target=record_and_install_app, args=(customer_app_name,))
        t1.start()
        ret = Response(code=const.RETURN_SUCCESS, message="应用正在启动中，请过几分钟再查询")
        ret = ret.dict()
    else:
        ret = Response(code=const.RETURN_FAIL, message="目前不支持安装此App")
        ret = ret.dict()
    return ret


def record_and_install_app(app_name):
    # modify running_apps.txt
    file_path = "/data/apps/running_apps.txt"
    with open(file_path, "w", encoding="utf-8") as f:
        f.write(app_name)
    cmd = "cd /data/apps/" + app_name + " && sudo docker compose up -d"
    shell_execute.execute_command_output_all(cmd)
    with open(file_path, "a+", encoding="utf-8") as f:
        f.truncate(0)


def if_app_exits(app_name):
    cmd = "docker compose ls -a | grep \'"+app_name+"\\b\'"
    output = shell_execute.execute_command_output_all(cmd)
    if int(output["code"]) == -1:
        return False
    else:
        return True


def start_app(app_name):
    ret = Response(code=const.RETURN_FAIL, message="")
    if if_app_exits(app_name):
        docker.check_app_compose(app_name)
        cmd = "docker compose -f /data/apps/"+app_name+"/docker-compose.yml start"
        output = shell_execute.execute_command_output_all(cmd)
        if int(output["code"]) == 0:
            ret.code = const.RETURN_SUCCESS
            ret.message = "应用启动成功"
        else:
            ret.message = "应用启动失败"
    else:
        ret.message = "应用不存在"
    ret = ret.dict()
    return ret


def stop_app(app_name):
    ret = Response(code=const.RETURN_FAIL, message="")
    if if_app_exits(app_name):
        cmd = "docker compose -f /data/apps/"+app_name+"/docker-compose.yml stop"
        output = shell_execute.execute_command_output_all(cmd)
        if int(output["code"]) == 0:
            ret.code = const.RETURN_SUCCESS
            ret.message = "应用停止成功"
        else:
            ret.message = "应用停止失败"
    else:
        ret.message = "应用不存在"
    ret = ret.dict()
    return ret


def restart_app(app_name):
    ret = Response(code=const.RETURN_FAIL, message="")
    if if_app_exits(app_name):
        cmd = "docker compose -f /data/apps/"+app_name+"/docker-compose.yml restart"
        output = shell_execute.execute_command_output_all(cmd)
        if int(output["code"]) == 0:
            ret.code = const.RETURN_SUCCESS
            ret.message = "应用重启成功"
        else:
            ret.message = "应用重启失败"
    else:
        ret.message = "应用不存在"
    ret = ret.dict()
    return ret


def uninstall_app(app_id):
    ret = Response(code=const.RETURN_FAIL, message="")
    if_stopped = stop_app(app_id)
    if if_stopped["code"] == 0:
        cmd = "docker compose -f /data/apps/"+app_id+"/docker-compose.yml down -v"
        cmd = cmd + " && sudo rm -rf /data/apps/" + app_id
        output = shell_execute.execute_command_output_all(cmd)
        if int(output["code"]) == 0:
            ret.code = 0
            ret.message = "应用删除成功"
        else:
            ret.message = "应用删除失败"
    else:
        ret.message = if_stopped["message"]
    ret = ret.dict()
    return ret