import os
from posixpath import ismount
import sys
import time
import subprocess
import datetime
import shutil
import json
import getopt


try:
    opts, args = getopt.getopt(sys.argv[1:], "p:d:s:", ["command=", "help", "output=", "backup"])
except getopt.GetoptError as err:
    # print help information and exit:
    print(str(err))  # will print something like "option -a not recognized"
    #usage()
    sys.exit(2)
output = None
# QJ : getopts
_DEV = "gopro9_1"
_SEQUENCES = []
for o, a in opts:
    if o == "-h":
        _ACTION = True
    elif o in ("-d", "--device"):
        _DEV = True
    elif o in ("-p", "--part"):
        _DAY_DIR = a
    elif o in ("-s", "--sequence"):
        a = a.split(",")
        for s in a:
            print(s)
            _SEQUENCES.append("{:04d}".format(int(s)))

    else:
        _WIZZARD = True
        
#_SOURCE_DIR = "/media/nas/nas-photo/imported/"
_SOURCE_DIR = "/share/Photo/imported/"
_FULL_PATH = _SOURCE_DIR + "/" + _DEV + "/" + _DAY_DIR


video_seq = {}
if os.path.exists(_FULL_PATH):
    if os.path.exists(_FULL_PATH + "/100GOPRO"):
        _FULL_PATH = _FULL_PATH + "/100GOPRO"
    for filename in os.listdir(_FULL_PATH):
        if filename.endswith(".MP4"):
            part = "GH" + filename[2:4]
            seq = filename[4:8]
            if not seq in video_seq:
                video_seq[seq] = []
            video_seq[seq].append(part + seq + ".MP4")
            print(filename)
            print(seq)
            print(part)
    print(json.dumps(video_seq,indent=2))
    _PROCESSED = _FULL_PATH + "/processed"
    if not os.path.exists(_PROCESSED):
        os.mkdir(_PROCESSED)
    print(f"SEQUENCES : {_SEQUENCES}")
    
    for vid in video_seq:
        
        if len(_SEQUENCES) != 0 and vid not in _SEQUENCES:
            continue
        export_name = "joined_"  + vid + ".MP4"
        parts = video_seq[vid]
        parts.sort()
        if len(parts) > 1:
            print("This need to be joined!")
            # for p in parts:
            #     join_string =
        # else:
        #     continue
        print(parts)
        
        join_s = "|".join(parts)
        print(join_s)
        # print(type(parts))
        #ffmpeg -i concat:"input1.mp4|input2.mp4" output.mp4
        
        os.chdir(_FULL_PATH)
        f = open("video.txt", "w")
        f.write("# Files to join")
        f.close()
        f = open("video.txt", "a")
        for p in parts:
            f.write(f"file '{p}'\n")
            
        f.close()   
        print(_FULL_PATH)
        myCmd = '/opt/ffmpeg/ffmpeg -f concat -i video.txt -vcodec copy -acodec copy ' + export_name
        print(myCmd)
        print(os.getcwd())
        status, output = subprocess.getstatusoutput(myCmd)
        #print(output)
        print(status)
        if status == 0:
            print("Moving...")
            for p in parts:
                try:
                    shutil.move(p, _PROCESSED)
                except:
                    print(f"Failed to move {p}")
                try:
                    shutil.move(p.replace("MP4", "THM"), _PROCESSED)
                except:
                    print(f"Failed to move {p.replace("MP4", "THM")}")
                    
                try:
                    shutil.move(p.replace("MP4", "LRV").replace("GH","GL"), _PROCESSED)
                except:
                    print(f"Failed to move {p.replace("MP4", "LRV")}")