import os
import re
import time
import default
import subprocess
from Universal import tools
from Universal import ioservice
from Universal import loggingservice
from Video.Services import tmdbservice

class VideoService:
    def __init__(self):
        self.logger = loggingservice.Output(True, False)
        self.video_settings = default.VideoSettings()
        self.tmdbservice = tmdbservice(self.logger)
        self.video_settings.updateSettings()

    def startNewProcess(self, num=1):
        self.logger.debugReport("[Video] startNewProcess")
        self.current_library = num
        self.total_processed = 0
        self.is_processing = True
        self.video_settings.updateLibrary(self.current_library)
        if self.video_settings.library["Server"].lower().find("none") == -1:
            self.video_settings.updateServer(self.video_settings.library["Server"])
        while self.is_processing:
            self.processLibraries()

    def processLibraries(self, refreshLib = True):
        self.logger.debugReport("[Video] processLibraries")
        tmp_library_time = time.time()
        if self.video_settings.library is not None:
            if self.video_settings.library["Input"] is not None:
                if refreshLib:
                    self.total_processed = 0
                    self.logger.infoReport("[Video] Current Library: " + self.video_settings.library["Name"])
                    self.current_library_list = ioservice.listAllFiles(self.video_settings.library["Input"])
                    if self.current_library_list is not None:
                        self.current_library_list = sorted(self.current_library_list)
                if self.current_library_list is not None:
                    if refreshLib:
                        self.srt_list = []
                        for item_search in self.current_library_list:
                            if item_search.lower().find(".srt") != -1:
                                self.srt_list.append(item_search)
                        if self.srt_list is not None:
                            for item_search in self.srt_list:
                                self.current_library_list.remove(item_search)
                        self.logger.infoReport("[Video] Found a total of " + str(len(self.current_library_list)) + " files")
                    for self.current_file in self.current_library_list:
                        if self.total_processed != 0:
                            self.logger.infoReport("[Video] Total file remaining: " + str(len(self.current_library_list) - self.total_processed))
                        self.processVideo()
                else:
                    self.logger.infoReport("[Video] Folder is empty")
                ioservice.deleteEmptyFolders(self.video_settings.library["Input"])
            else:
                self.is_processing = False
        else:
            self.is_processing = False
        self.logger.infoReport("[Video] Current Library: " + self.video_settings.library["Name"] + " Time Elapsed: " + time.strftime("%H:%M:%S", time.gmtime(time.time() - tmp_library_time)))
        self.current_library += 1

    def processVideo(self):
        self.logger.debugReport("[Video] processVideo")
        self.logger.infoReport("[Video] Current File: " + self.current_file)
        tmp_isDeleted = False
        if not ioservice.checkSizeChange(self.current_file):
            if ioservice.getFileSize(self.current_file) == 0:
                self.logger.infoReport("[Video] Assuming file has been deleted or moved... Skipping...")
                tmp_isDeleted = True
            else:
                self.logger.infoReport("[Video] File size has changed")
                self.processVideo()
        else:
            tmp_success = True
            if not tmp_isDeleted:
                tmp_current_file_info = self.extractVideoInformation(self.current_file)
#                self.constructOutputPath(tmp_current_file_info)
                if tmp_current_file_info["Episode"] is None and tmp_current_file_info["Season"] is None:
                    self.logger.infoReport("[Video] " + tmp_current_file_info["Name"] + " " + str(tmp_current_file_info["Year"]))
                else:
                    self.logger.infoReport("[Video] " + tmp_current_file_info["Name"] + " Season: " + str(tmp_current_file_info["Season"]) + " Episode: " + str(tmp_current_file_info["Episode"]))
                self.find_srts()

    def extractVideoInformation(self, file):
        self.logger.debugReport("[Video] extractVideoInformation")
        file = file.replace(self.video_settings.library["Input"], "").lstrip().replace("_", "")
        for blacklist_item in self.video_settings.settings["Blacklist"].split(", "):
            file = file.replace(blacklist_item, "")
        tmp_input_format = file.rsplit(".", 1)[-1]
        tmp_name = None
        tmp_season = None
        tmp_episode = None
        tmp_episode_title = None
        tmp_year = None
        tmp_episode_year = None
        tmp_length = self.getVideoLength()
        tmp_folders, tmp_file = os.path.split(file)
        for possible_years in re.findall(r'\d+', file):
            if len(possible_years) == 4:
                tmp_year = int(possible_years)
        match len(tmp_folders.split(ioservice.getPathSeperator())):
            case 1:
                tmp_name = tmp_folders.split(ioservice.getPathSeperator())[0]
                if not tmp_name:
                    tmp_name = tmp_file.replace(str(tmp_year), "").replace("." + tmp_input_format, "").strip()
            case 2:
                tmp_name = tmp_folders.split(ioservice.getPathSeperator())[0]
            case 3:
                tmp_name = tmp_folders.split(ioservice.getPathSeperator())[0]
            case _:
                tmp_name = tmp_file.replace("." + tmp_input_format, "")
        if self.video_settings.library["Type"].lower().find("show") != -1:
            if tmp_season is None or tmp_episode is None:
                match len(tmp_folders.split(ioservice.getPathSeperator())):
                    case 2:
                        tmp_season = re.findall(r'\d+', tmp_folders.replace(tmp_name, ""))[0]
                        tmp_episode = re.findall(r'([0-9]*[0-9])', tmp_file.replace("." + tmp_input_format, "").replace(tmp_name, ""))[-1]
                        if tmp_file.lower().find(tmp_episode + "a") != -1:
                            tmp_episode = tmp_episode + " - Part 1"
                        elif tmp_file.lower().find(tmp_episode + "b") != -1:
                            tmp_episode = tmp_episode + " - Part 2"
                    case 3:
                        tmp_season = re.findall(r'\d+', tmp_folders.replace(tmp_name, ""))[0]
                        tmp_episode = re.findall(r'([0-9]*[0-9])', tmp_folders.replace("." + tmp_input_format, "").replace(tmp_name, ""))[-1]
                        if tmp_file.lower().find(tmp_episode + "a") != -1:
                            tmp_episode = tmp_episode + " - Part 1"
                        elif tmp_file.lower().find(tmp_episode + "b") != -1:
                            tmp_episode = tmp_episode + " - Part 2"
                    case _:
                        tmp_episode = re.findall(r'\d+', tmp_file.replace("." + tmp_input_format, "").replace(tmp_name, ""))[-1]
                        try:
                            tmp_season = re.findall(r'\d+', tmp_file.replace("." + tmp_input_format, "").replace(tmp_name, ""))[0]
                        except:
                            tmp_episode = re.findall(r'\d+', tmp_file.replace("." + tmp_input_format, ""))[-1]
            if tmp_season != "0" and tmp_season:
                tmp_season = tmp_season.lstrip("0")
            if tmp_episode != "0" and tmp_episode:
                tmp_episode = tmp_episode.lstrip("0")
            match self.video_settings.library["Database"].lower():
                case "tmdb":
                    if self.tmdbservice.isEnabled():
                        self.tmdbservice.connectToTMDB()
                        if self.video_settings.library["Type"].lower().find("movie") != -1:
                            tmp_name = tmp_name.replace(str(tmp_year), "").replace("(", "").replace(")", "")
                            if tmp_length is not None or tmp_year is not None:
                                tmp_data = self.tmdbservice.getBestMovie(tmp_name, tmp_length, tmp_year)
                                if tmp_data:
                                    tmp_name = tmp_data[0]
                                    tmp_year = tmp_data[2]
                            else:
                                tmp_data = self.tmdbservice.searchMovies(tmp_name)
                                tmp_name = tmp_data[0][0]
                                tmp_year = tmp_data[0][1]
                        elif self.video_settings.library["Type"].lower().find("show") != -1:
                            tmp_data = self.tmdbservice.getShowName(tmp_name)
                            tmp_name = tmp_data["name"]
                            tmp_year = tmp_data["first_air_date"][:4]
                case "tvdb":
                    #NotImplemented
                    pass
                case _:
                    pass
        tmp_name = tmp_name.replace(":", "")
        if tmp_episode_title:
            tmp_episode_title = tmp_episode_title.replace(":", "")
        return {"Name": tmp_name, "Season": tmp_season, "Episode": tmp_episode, "Episode Title": tmp_episode_title, "Episode Year": tmp_episode_year, "Input Format": tmp_input_format}

    def constructOutputPath(self, file_info, subtitles=False, num=0):
        self.logger.debugReport("[Video] constructOutputPath")
        self.current_output_path = self.video_settings.library["Output"] + self.video_settings.library["Directory"]
        self.current_output_path = tools.replace(self.current_output_path, "${NAME}", file_info["Name"])
        self.current_output_path = tools.replace(self.current_output_path, "${YEAR}", file_info["Year"])
        self.current_output_path = tools.replace(self.current_output_path, "${SEASON}", file_info["Season"])
        if isinstance(file_info["Episode"], list):
            tmp_episodes = None
            for eps in file_info["Episode"]:
                if eps != file_info["Episode"][-1]:
                    if not tmp_episodes:
                        tmp_episodes = str(eps) + "-"
                    else:
                        tmp_episodes = tmp_episodes + str(eps) + "-"
                else:
                    if not tmp_episodes:
                        tmp_episodes = str(eps)
                    else:
                        tmp_episodes = tmp_episodes + str(eps)
            self.current_output_path = tools.replace(self.current_output_path, "${EPISODE}", tmp_episodes)
        else:
            self.current_output_path = tools.replace(self.current_output_path, "${EPISODE}", file_info["Episode"])
        self.current_output_path = tools.replace(self.current_output_path, "${EPISODE_YEAR}", file_info["Episode Year"])
        self.current_output_path = tools.replace(self.current_output_path, "${EPISODE_NAME}", file_info["Episode Name"])
        if not subtitles:
            if self.current_output_path[self.current_output_path.index("${FORMAT}") - 1] != ".":
                if file_info["Format"].startswith("."):
                    self.current_output_path = tools.replace(self.current_output_path, "${FORMAT}", file_info["Format"])
                else:
                    self.current_output_path = tools.replace(self.current_output_path, "${FORMAT}", "." + file_info["Format"])
            else:
                if file_info["Format"].startswith("."):
                    self.current_output_path = tools.replace(self.current_output_path, ".${FORMAT}", file_info["Format"])
                else:
                    self.current_output_path = tools.replace(self.current_output_path, ".${FORMAT}", "." + file_info["Format"])
        else:
            if self.current_output_path[self.current_output_path.index("${FORMAT}") - 1] != ".":
                self.current_output_path = tools.replace(self.current_output_path, "${FORMAT}", " - " + self.srt_language[num] + ".srt")
            elif self.current_output_path[self.current_output_path.index("${FORMAT}" - 1)] == ".":
                self.current_output_path = tools.replace(self.current_output_path, ".${FORMAT}", " - " + self.srt_language[num] + ".srt")
        self.logger.debugReport("[Video] Output Path: " + self.current_output_path)
        return self.current_output_path

    def findSRTs(self):
        self.logger.debugReport("[Video] findSRTs")
        tmp_srt_lang = ["aar", "abk", "afr", "aka", "alb", "amh", "ara", "arg", "arm", "asm", "ava", "ave", "aym", "aze", "bak", "bam", "baq", 
                        "bel", "ben", "bih", "bis", "bos", "bre", "bul", "bur", "cat", "cha", "che", "chi", "chu", "chv", "cor", "cos", "cre", 
                        "cze", "dan", "div", "dut", "dzo", "eng", "epo", "est", "ewe", "fao", "fij", "fin", "fre", "fry", "ful", "geo", "ger", 
                        "gla", "gle", "glg", "glv", "gre", "grn", "guj", "hat", "hau", "heb", "her", "hin", "hmo", "hrv", "hun", "ibo", "ice", 
                        "ido", "iii", "iku", "ile", "ina", "ind", "ipk", "ita", "jav", "jpn", "kal", "kan", "kas", "kau", "kaz", "khm", "kik", 
                        "kin", "kir", "kom", "kon", "kor", "kua", "kur", "lao", "lat", "lav", "lim", "lin", "lit", "ltz", "lub", "lug", "mac", 
                        "mah", "mal", "mao", "mar", "may", "mlg", "mlt", "mon", "nau", "nav", "nbl", "nde", "ndo", "nep", "nno", "nob", "nor", 
                        "nya", "oci", "oji", "ori", "orm", "oss", "pan", "per", "pli", "pol", "por", "pus", "que", "roh", "rum", "run", "rus", 
                        "sag", "san", "sin", "slo", "slv", "sme", "smo", "sna", "snd", "som", "sot", "spa", "srd", "srp", "ssw", "sun", "swa", 
                        "swe", "tah", "tam", "tat", "tel", "tgk", "tgl", "tha", "tib", "tir", "ton", "tsn", "tso", "tuk", "tur", "twi", "uig", 
                        "ukr", "urd", "uzb", "ven", "vie", "vol", "wel", "wln", "wol", "xho", "yid", "yor", "zha", "zul"]
        

    def getVideoLength(self):
        self.logger.debugReport("[Video] getVideoLength")
        tmp_time = None
        try:
            tmp_time = subprocess.check_output([self.video_settings.settings["FFProbe"], '-i', self.current_file, '-show_entries', 'format=duration', '-v', 'quiet', '-of', 'csv=%s' % ("p=0")])
            tmp_time = str(tmp_time)
            if not tmp_time.find("N/A") != -1:
                tmp_hours = time.strftime("%H", time.gmtime(round(float(re.findall('\d+', tmp_time)[0])))).lstrip("0")
                tmp_minutes = time.strftime("%M", time.gmtime(round(float(re.findall('\d+', tmp_time)[0])))).lstrip("0")
                try:
                    tmp_hours = int(tmp_hours) * 60
                except:
                    tmp_hours = 0
                try:
                    tmp_length = tmp_hours + int(tmp_minutes)
                except:
                    tmp_length = tmp_hours
            else:
                self.logger.errorReport("[Video] FFProbe could not get video content length")
                tmp_length = None
            return tmp_length
        except:
            self.logger.errorReport("[Video] There was a problem getting the length of video content")
            return None