# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors

# This file is part of Power Sequencer.

"""Toggle mute a sequence as you click on it"""
import bpy
from math import floor

from .utils.functions import find_strips_mouse
from .utils.doc import doc_name, doc_idname, doc_brief, doc_description


class POWER_SEQUENCER_OT_mouse_toggle_mute(bpy.types.Operator):
    """
    Toggle mute a sequence as you click on it
    """

    doc = {
        "name": doc_name(__qualname__),
        "demo": "",
        "description": doc_description(__doc__),
        "shortcuts": [
            ({"type": "LEFTMOUSE", "value": "PRESS", "alt": True}, {}, "Mouse Toggle Mute")
        ],
        "keymap": "Sequencer",
    }
    bl_idname = doc_idname(__qualname__)
    bl_label = doc["name"]
    bl_description = doc_brief(doc["description"])
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.sequences

    def invoke(self, context, event):
        sequencer = bpy.ops.sequencer

        # get current frame and channel the mouse hovers
        x, y = context.region.view2d.region_to_view(x=event.mouse_region_x, y=event.mouse_region_y)
        frame, channel = round(x), floor(y)

        # Strip selection
        sequencer.select_all(action="DESELECT")
        to_select = find_strips_mouse(context, frame, channel)

        if not to_select:
            return {"CANCELLED"}

        for s in to_select:
            s.mute = not s.mute
        return {"FINISHED"}