# coding:utf-8
import posixpath
import re


class File:
    """
    Décrit une référence de fichier dans le disque
    """

    def __init__(self, path, name, info, api_id=None, api_fileid=None, api_fileable_type=None):
        self.path = path
        self.name = name
        self.info = info
        self.markers = {}
        self.api_id = api_id
        self.api_fileid = api_fileid
        self.fileable_type = {None: None, 'App\\Film': 'film', 'App\\Episode': 'episode'}[api_fileable_type]

    def get_ext(self):
        """
        Donne l'extension du fichier
        """
        _, ext = posixpath.splitext(self.name)
        return ext

    def without_ext(self):
        """
        Donne le nom du fichier sans extension
        """
        n, ext = posixpath.splitext(self.name)
        return n

    def extract_title(self, tok):
        """
        extrait un titre de film depuis la variable #TITLE#
        """
        # récupère le titre
        if 'TITLE' in self.info:
            fname = self.info['TITLE']
        else:
            fname = self.without_ext()
        # 1) séparateurs
        fname = fname.replace('.', ' ')
        fname = fname.replace('_', ' ')
        fname = fname.replace('-', ' ')
        # 1.5) parenthèses de marqueurs
        fname = fname.replace('(', ' ( ')
        fname = fname.replace(')', ' ) ')
        # 2) marqueurs
        fname, info = tok.tokenize(' ' + fname + ' ')
        self.markers = info
        # 3) minuscule
        fname = fname.lower()
        # 4) année
        if not 'YEAR' in self.info:
            m = re.match(r'.*\[ ?(\d{4}) ?\].*', fname)
            if m:
                self.info['YEAR'] = m.group(1)
        if 'YEAR' in self.info:
            year = self.info['YEAR']
            fname = fname.replace('[' + str(year) + ']', '')
            fname = fname.replace('[ ' + str(year) + ' ]', '')
            fname = fname.replace('[' + str(year) + ' ]', '')
            fname = fname.replace('[ ' + str(year) + ']', '')
        # 5) espaces en bout, centraux et rajoutés
        fname = fname.lstrip().rstrip()
        while '  ' in fname:
            fname = fname.replace('  ', ' ')
        # 6) parenthèses de marqueurs
        fname = fname.replace('( )', ' ')
        while '  ' in fname:
            fname = fname.replace('  ', ' ')
        self.title = fname
        # 7) type: épisode / film
        if not self.fileable_type:
            for m in ['SERIE', 'EPISODE_NUM', 'SEASON_NUM']:
                if m in self.info:
                    self.fileable_type = 'episode'
            if (not self.fileable_type) and 'TITLE' in self.info:
                self.fileable_type = 'film'

    def filename_same(self, other):
        """
        Vérifie si les deux noms de fichiers sont les mêmes
        """
        return self.name == other.name

    def __eq__(self, other):
        return (self.path, self.name) == (other.path, other.name)

    def __hash__(self):
        return hash((self.path, self.name))

    def __str__(self):
        if 'YEAR' in self.info:
            return str(self.path + '/' + self.name + ' year:[' + str(self.info['YEAR']) + ']')
        return str(self.path + '/' + self.name)

    def __repr__(self):
        return str(self)