import os
import shutil
import sys
import warnings
import platform
import psutil
import torch
import signal
import site
import traceback
from subprocess import Popen
from config import python_exec

now_dir = os.getcwd()
sys.path.insert(0, now_dir)
warnings.filterwarnings("ignore")
torch.manual_seed(233333)
tmp = os.path.join(now_dir, "TEMP")
os.makedirs(tmp, exist_ok=True)
os.environ["TEMP"] = tmp
if(os.path.exists(tmp)):
    for name in os.listdir(tmp):
        if(name=="jieba.cache"):continue
        path="%s/%s"%(tmp,name)
        delete=os.remove if os.path.isfile(path) else shutil.rmtree
        try:
            delete(path)
        except Exception as e:
            print(str(e))
            pass
import site
site_packages_roots = []
for path in site.getsitepackages():
    if "packages" in path:
        site_packages_roots.append(path)
if(site_packages_roots==[]):site_packages_roots=["%s/runtime/Lib/site-packages" % now_dir]
#os.environ["OPENBLAS_NUM_THREADS"] = "4"
os.environ["no_proxy"] = "localhost, 127.0.0.1, ::1"
os.environ["all_proxy"] = ""
for site_packages_root in site_packages_roots:
    if os.path.exists(site_packages_root):
        try:
            with open("%s/users.pth" % (site_packages_root), "w") as f:
                f.write(
                    "%s\n%s/tools\n%s/tools/damo_asr\n%s/GPT_SoVITS\n%s/tools/uvr5"
                    % (now_dir, now_dir, now_dir, now_dir, now_dir)
                )
            break
        except PermissionError:
            pass

def kill_proc_tree(pid, including_parent=True):  
    try:
        parent = psutil.Process(pid)
    except psutil.NoSuchProcess:
        # Process already terminated
        return

    children = parent.children(recursive=True)
    for child in children:
        try:
            os.kill(child.pid, signal.SIGTERM)  # or signal.SIGKILL
        except OSError:
            pass
    if including_parent:
        try:
            os.kill(parent.pid, signal.SIGTERM)  # or signal.SIGKILL
        except OSError:
            pass

system=platform.system()
def kill_process(pid):
    if(system=="Windows"):
        cmd = "taskkill /t /f /pid %s" % pid
        os.system(cmd)
    else:
        kill_proc_tree(pid)

ps_slice=[]
def open_slice(inp,opt_root,threshold,min_length,min_interval,hop_size,max_sil_kept,_max,alpha,n_parts):
    global ps_slice
    inp = my_utils.clean_path(inp)
    opt_root = my_utils.clean_path(opt_root)
    if(os.path.exists(inp)==False):
        yield "输入路径不存在",{"__type__":"update","visible":True},{"__type__":"update","visible":False}
        return
    if os.path.isfile(inp):n_parts=1
    elif os.path.isdir(inp):pass
    else:
        yield "输入路径存在但既不是文件也不是文件夹",{"__type__":"update","visible":True},{"__type__":"update","visible":False}
        return
    if (ps_slice == []):
        for i_part in range(n_parts):
            cmd = '"%s" tools/slice_audio.py "%s" "%s" %s %s %s %s %s %s %s %s %s''' % (python_exec,inp, opt_root, threshold, min_length, min_interval, hop_size, max_sil_kept, _max, alpha, i_part, n_parts)
            print(cmd)
            p = Popen(cmd, shell=True)
            ps_slice.append(p)
        yield "切割执行中", {"__type__": "update", "visible": False}, {"__type__": "update", "visible": True}
        for p in ps_slice:
            p.wait()
        ps_slice=[]
        yield "切割结束",{"__type__":"update","visible":True},{"__type__":"update","visible":False}
    else:
        yield "已有正在进行的切割任务，需先终止才能开启下一次任务", {"__type__": "update", "visible": False}, {"__type__": "update", "visible": True}

def close_slice():
    global ps_slice
    if (ps_slice != []):
        for p_slice in ps_slice:
            try:
                kill_process(p_slice.pid)
            except:
                traceback.print_exc()
        ps_slice=[]
    return "已终止所有切割进程", {"__type__": "update", "visible": True}, {"__type__": "update", "visible": False}