#!/usr/bin/env python3
# -*- coding: UTF-8 -*-

"""
Created on: 2023-02-17
@author: cjs
# 用途：批量查找项目的bam文件，批量进行chemo_panel2.py脚本测试
# 版本：0.0.1
# 最后编辑日期: 2023-02-17
"""

from cjs_test.cjs_logger import Logger
from multiprocessing import Process, Queue
from glob import glob
import subprocess
import datetime
import json
import traceback
import os
import sys

# 全局参数
Exe_Bin = ''
Exe_Path = ''
GLog = None
Start_Time = None
Bam_Dd = {}  # 记录需要处理的bam路径
# 命令参数
Pro_Out = r''
# 固定参数
PS_MAX = 40  # 最大的进程数


def Exit_Print(pline=''):
    """显示错误的信息，退出脚本."""
    print('%s -O Pro_Out' % Exe_Bin)
    if len(pline) > 0:
        print(pline)
    if GLog:
        GLog.info('exit')
        GLog.close()
    sys.exit(0)


# 处理运行参数
def Get_Opts():
    """获取运行的环境变量."""
    global Exe_Bin
    global Exe_Path
    global GLog
    global Start_Time
    global Pro_Out

    file_real = os.path.realpath(sys.argv[0])
    Exe_Path = os.path.dirname(file_real)
    Exe_Bin = os.path.basename(file_real)

    Start_Time = datetime.datetime.now()
    ymd = Start_Time.__format__('%Y%m%d_%H%M%S')

    # 运行参数数量检查
    argvs = sys.argv[1:]
    argv_lens = len(argvs)
    if argv_lens < 2:
        err_line = '缺少运行的必要参数'
        Exit_Print(pline=err_line)

    # 获取参数
    Pro_Out = ''
    argv_index = 0
    for argv in argvs:
        argv_index += 1
        if argv.startswith('-'):
            if argv.upper() == '-O':
                if argv_index < argv_lens:
                    Pro_Out = argvs[argv_index]
                else:
                    err_line = '%s,参数的值无法获取' % argv
                    Exit_Print(pline=err_line)
            else:
                err_line = '无法识别的参数:%s' % argv
                Exit_Print(pline=err_line)

    if len(Pro_Out) == 0:
        err_line = '未能获取到正确的芯片号'
        Exit_Print(pline=err_line)

    # 开启日志
    log_path = os.path.join(Exe_Path, 'logs', Exe_Bin)
    if not os.path.exists(log_path):
        os.makedirs(log_path)
    log_base = '%s_%s.log' % (Exe_Bin, ymd)
    log_full = os.path.join(log_path, log_base)
    GLog = Logger(log_full, mode='w')
    GLog.info('start')

    return 0


def Get_Bams():
    global Bam_Dd
    for bam in glob('%s/**/*.rmdup.bam' % Pro_Out, recursive=True):
        bam_nor = ""
        bam_base = os.path.basename(bam)
        bam_dir = os.path.dirname(bam)
        pro_dir = os.path.dirname(bam_dir)

        # 寻找json
        for in_json in glob('%s/*.json' % pro_dir):
            with open(in_json, 'r', encoding='utf8') as ff:
                load_dict = json.load(ff)
                for dkey in load_dict:
                    if dkey.upper().find("NORMAL") > -1:
                        bam_nor = load_dict[dkey]
                        break
        if bam_nor != "":
            if bam_base.find(bam_nor) > -1:  # 只选取normal的bam
                if bam_nor not in Bam_Dd:
                    Bam_Dd[bam_nor] = bam
                else:
                    # 已经有的项目，选取bam文件大的处理
                    old_bam = Bam_Dd[bam_nor]
                    # print("%s, 项目有重复的bam[%s, %s]" % (bam_nor, old_bam, bam))
                    old_size = os.path.getsize(old_bam)
                    new_size = os.path.getsize(bam)
                    if new_size > old_size:
                        Bam_Dd[bam_nor] = bam


def py_chemo(df_q):
    py_full = os.path.join(Exe_Path, "chemo_panel.py")
    while (1):
        py_ls = df_q.get()
        if py_ls is None:
            break
        py_normal = py_ls[0]
        py_bam = py_ls[1]
        py_ourdir = os.path.join(Exe_Path, "cheom_out", py_normal)
        if not os.path.exists(py_ourdir):
            os.makedirs(py_ourdir)
        py_cmd = "%s -o %s -p %s --n %s" % (py_full, py_ourdir, "650gene",
                                            py_normal)
        py_cmd += ' --b %s' % py_bam
        ps = subprocess.Popen(py_cmd,
                              stdout=subprocess.PIPE,
                              stderr=subprocess.STDOUT,
                              shell=True)
        while ps.poll() is None:
            std_outs = ps.stdout.readline().decode().strip()
            if len(std_outs) > 0:
                GLog.info("%s->%s" % (py_normal, std_outs))
        std_outs = ps.stdout.readline().decode().strip()
        if len(std_outs) > 0:
            GLog.info("%s->%s" % (py_normal, std_outs))


def Process_Chemo():
    """多进程跑分析."""
    ps_num = PS_MAX
    bam_num = len(Bam_Dd)
    if PS_MAX > bam_num:
        ps_num = bam_num
    # 安排好队列
    qd = Queue()
    for bam_nor in Bam_Dd:
        bam = Bam_Dd[bam_nor]
        qd.put([bam_nor, bam])
    # 新建输出文件夹
    cheom_out = os.path.join(Exe_Path, "cheom_out")
    if not os.path.exists(cheom_out):
        os.makedirs(cheom_out)
    ps_ls = []
    for i in range(ps_num):
        qd.put(None)
        chemo_ps = Process(target=py_chemo, args=(qd,), daemon=True)
        chemo_ps.start()
        ps_ls.append(chemo_ps)
    # 检测在运行的进程
    temp_num = ps_num
    while (1):
        ps_runs = 0
        for ps in ps_ls:
            if ps.is_alive():
                ps_runs += 1
        if ps_runs < temp_num:
            temp_num = ps_runs
            print('\r在运行的进程数:%02d' % temp_num, end='')
        if ps_runs == 0:
            break
    print('\n所有分析进程结束')


if __name__ == '__main__':
    Get_Opts()
    Get_Bams()
    print(len(Bam_Dd))

    try:
        Process_Chemo()
    except BaseException:
        GLog.error(traceback.format_exc())
        print(traceback.format_exc())
    endtime = datetime.datetime.now()
    GLog.info('end')
    GLog.info('run time:%s seconds' % ((endtime - Start_Time).seconds))
    GLog.close()