from . import PlaylistModifierModule, Track
DEFAULT_CROSSFADE = 6.0
class Module(PlaylistModifierModule):
    def modify(self, global_args: dict, playlist: list[Track]) -> list[Track] | None:
        out = []
        for track in playlist:
            do_cross_fade = track.official
            track_crossfade = float(track.args.get("crossfade", DEFAULT_CROSSFADE) if track.args else DEFAULT_CROSSFADE) or DEFAULT_CROSSFADE
            if do_cross_fade and track_crossfade:
                out.append(Track(track.path, track_crossfade, track_crossfade, do_cross_fade, track.args, focus_time_offset=-track_crossfade))
            else: out.append(track)
        return out
playlistmod = Module(), 0

# This is free and unencumbered software released into the public domain.

# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.

# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

# For more information, please refer to <https://unlicense.org>