#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# SoundConverter - GNOME application for converting between audio formats.
# Copyright 2004 Lars Wirzenius
# Copyright 2005-2016 Gautier Portet
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 3 of the License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA


import sys
import gi
import time
from gi.repository import GObject

from soundconverter.soundfile import SoundFile
from soundconverter import error
from soundconverter.settings import settings
from soundconverter.gstreamer import TagReader
from soundconverter.namegenerator import TargetNameGenerator
from soundconverter.queue import TaskQueue
from soundconverter.gstreamer import Converter
from soundconverter.fileoperations import unquote_filename

def cli_tags_main(input_files):
    error.set_error_handler(error.ErrorPrinter())
    loop = GObject.MainLoop()
    context = loop.get_context()
    for input_file in input_files:
        input_file = SoundFile(input_file)
        if not settings['quiet']:
            print(input_file.filename)
        t = TagReader(input_file)
        t.start()
        while t.running:
            time.sleep(0.01)
            context.iteration(True)
            
        if not settings['quiet']:
            for key in sorted(input_file.tags):
                print(('     %s: %s' % (key, input_file.tags[key])))


class CliProgress:

    def __init__(self):
        self.current_text = ''

    def show(self, new_text):
        if new_text != self.current_text:
            self.clear()
            sys.stdout.write(new_text)
            sys.stdout.flush()
            self.current_text = new_text

    def clear(self):
        sys.stdout.write('\b \b' * len(self.current_text))
        sys.stdout.flush()


def cli_convert_main(input_files):
    loop = GObject.MainLoop()
    context = loop.get_context()
    error.set_error_handler(error.ErrorPrinter())

    output_type = settings['cli-output-type']
    output_suffix = settings['cli-output-suffix']

    generator = TargetNameGenerator()
    generator.suffix = output_suffix

    progress = CliProgress()

    queue = TaskQueue()
    for input_file in input_files:
        input_file = SoundFile(input_file)
        output_name = generator.get_target_name(input_file)
        c = Converter(input_file, output_name, output_type)
        c.overwrite = True
        c.init()
        c.start()
        while c.running:
            if c.get_duration():
                percent = min(100, 100.0* (c.get_position() / c.get_duration()))
                percent = '%.1f %%' % percent
            else:
                percent = '/-\|' [int(time.time()) % 4]
            progress.show('%s: %s' % (unquote_filename(c.sound_file.filename[-65:]), percent ))
            time.sleep(0.01)
            context.iteration(True)
        print()

    previous_filename = None
    
    '''
    queue.start()
    
    #running, progress = queue.get_progress(perfile)
    while queue.running:
        t = None #queue.get_current_task()
        if t and not settings['quiet']:
            if previous_filename != t.sound_file.get_filename_for_display():
                if previous_filename:
                    print _('%s: OK') % previous_filename
                previous_filename = t.sound_file.get_filename_for_display()

            percent = 0
            if t.get_duration():
                percent = '%.1f %%' % ( 100.0* (t.get_position() / t.get_duration() ))
            else:
                percent = '/-\|' [int(time.time()) % 4]
            progress.show('%s: %s' % (t.sound_file.get_filename_for_display()[-65:], percent ))
        time.sleep(0.10)
        context.iteration(True)
    '''
    if not settings['quiet']:
        progress.clear()


