#!/usr/bin/env python3
"""
    Open Sound Control send/recieve daemon for Tascam Firewire control surface
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    :copyright: Copyright (c) 2012-2014 Scott Bahling
        This program is free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License version 2 as
        published by the Free Software Foundation.

        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 (see the file COPYING); if not, write to the
        Free Software Foundation, Inc.,
        51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
    :license: GPL-2.0, see COPYING for details
"""

from buttons import Button
import osc

status_quadlets = (4, 0, 0, 1, 1, 2, 2, 3, 3)
status_bits = ((1, 16),
               (1, 16),
               (17, 32),
               (1, 16),
               (17, 32),
               (1, 16),
               (17, 32),
               (1, 16),
               (17, 32),
               )


class Fader(Button):
    def __init__(self, console, strip):
        name = 'Strip {} Fader'. format(strip.num)
        super().__init__(console, name)
        self.strip = strip
        self.pos = 0
        self.addr = '/strip/fader'
        self.status_quadlet = status_quadlets[self.strip.num]
        self.status_bits = status_bits[self.strip.num]
        self.status_callback = self.send_pos

    @property
    def position(self):
        return self.pos

    @position.setter
    def position(self, pos):
        self.pos = pos
        self.console.unit.strips[self.strip.num].set_position(pos)

    def send_pos(self):
        osc.client.sent_message(self.addr, (self.strip, self.pos/1023))

    def handle_console_status(self, pos):
        if pos != self.pos:
            print('{}: {}'.format(self.name, pos))
            self.pos = pos
            self.send_pos()

    def press(self):
        self.console.status_thread.add_callback(self)
        super().press()

    def release(self):
        self.console.status_thread.remove_callback(self)
        super().press()