# Path: mugen/exceptions.py
# class ParameterError(MugenError):
#     """
#     Exception class for mal-formed inputs
#     """
# 
#     pass
# 
# Path: mugen/utilities/location.py
# def intervals_from_locations(locations: List[float]) -> List[float]:
# def locations_from_intervals(intervals: List[float]) -> List[float]:
# def start_end_locations_from_locations(
#     locations: List[float],
# ) -> Tuple[List[float], List[float]]:
# def start_end_locations_from_intervals(
#     intervals: List[float],
# ) -> Tuple[List[float], List[float]]:
# 
# Path: mugen/utilities/system.py
# TEMP_PATH_BASE = tempfile.TemporaryDirectory().name
# def touch(filename):
# def ensure_directory_exists(*directories):
# def recreate_directory(*directories):
# def list_directory(path, include_hidden=False):
# def list_directory_files(directory: str, include_hidden=False) -> List[str]:
# def run_command(command) -> CompletedProcess:
# def generate_temp_file_path(extension: str) -> str:
# def use_temporary_file_fallback(path_var: str, extension: str):
#     def _use_temporary_file_path(path_variable):
# 
# Path: mugen/utilities/system.py
# def use_temporary_file_fallback(path_var: str, extension: str):
#     """
#     Decorator to set path_var to a temporary file path if it is None. Does not create the file.
# 
#     Parameters
#     ----------
#     path_var
#         A variable expecting a file path
# 
#     extension
#         extension for the temporary file
#     """
# 
#     def _use_temporary_file_path(path_variable):
#         return path_variable or generate_temp_file_path(extension)
# 
#     return preprocess_args(_use_temporary_file_path, [path_var])


from subprocess import CalledProcessError
from typing import Any, List, NamedTuple, Optional
from mugen.exceptions import ParameterError
from mugen.utilities import location, system
from mugen.utilities.system import use_temporary_file_fallback
import pysrt
    # Create new music video with auxiliary audio & subtitle tracks mixed in
    ffmpeg_command = ["ffmpeg", "-y", "-i", video_file]
    for track in audio_tracks:
        ffmpeg_command += ["-i", track.audio_file]
    for file in subtitle_files:
        ffmpeg_command += ["-i", file]
    ffmpeg_command += ["-map", "0", "-c", "copy"]
    for index, track in enumerate(audio_tracks):
        ffmpeg_command += [
            "-map",
            f"{index + 1}",
            "-c",
            "copy",
            f"-metadata:s:a:{index}",
            f"title={track.name}",
        ]
    for index, track in enumerate(subtitle_tracks):
        ffmpeg_command += [
            "-map",
            f"{index + 1 + len(audio_tracks)}",
            f"-c:s:{index}",
            "srt",
            f"-metadata:s:s:{index}",
            f"title={track.name}",
        ]
        if track.default:
            ffmpeg_command += [f"-disposition:s:{index}", "default"]
    ffmpeg_command += [output_path]

    try:

# Path: mugen/exceptions.py
# class ParameterError(MugenError):
#     """
#     Exception class for mal-formed inputs
#     """
# 
#     pass
# 
# Path: mugen/utilities/location.py
# def intervals_from_locations(locations: List[float]) -> List[float]:
# def locations_from_intervals(intervals: List[float]) -> List[float]:
# def start_end_locations_from_locations(
#     locations: List[float],
# ) -> Tuple[List[float], List[float]]:
# def start_end_locations_from_intervals(
#     intervals: List[float],
# ) -> Tuple[List[float], List[float]]:
# 
# Path: mugen/utilities/system.py
# TEMP_PATH_BASE = tempfile.TemporaryDirectory().name
# def touch(filename):
# def ensure_directory_exists(*directories):
# def recreate_directory(*directories):
# def list_directory(path, include_hidden=False):
# def list_directory_files(directory: str, include_hidden=False) -> List[str]:
# def run_command(command) -> CompletedProcess:
# def generate_temp_file_path(extension: str) -> str:
# def use_temporary_file_fallback(path_var: str, extension: str):
#     def _use_temporary_file_path(path_variable):
# 
# Path: mugen/utilities/system.py
# def use_temporary_file_fallback(path_var: str, extension: str):
#     """
#     Decorator to set path_var to a temporary file path if it is None. Does not create the file.
# 
#     Parameters
#     ----------
#     path_var
#         A variable expecting a file path
# 
#     extension
#         extension for the temporary file
#     """
# 
#     def _use_temporary_file_path(path_variable):
#         return path_variable or generate_temp_file_path(extension)
# 
#     return preprocess_args(_use_temporary_file_path, [path_var])


# Path: mugen/video/io/tracks.py
from subprocess import CalledProcessError
from typing import Any, List, NamedTuple, Optional
from mugen.exceptions import ParameterError
from mugen.utilities import location, system
from mugen.utilities.system import use_temporary_file_fallback
import pysrt

    # Create new music video with auxiliary audio & subtitle tracks mixed in
    ffmpeg_command = ["ffmpeg", "-y", "-i", video_file]
    for track in audio_tracks:
        ffmpeg_command += ["-i", track.audio_file]
    for file in subtitle_files:
        ffmpeg_command += ["-i", file]
    ffmpeg_command += ["-map", "0", "-c", "copy"]
    for index, track in enumerate(audio_tracks):
        ffmpeg_command += [
            "-map",
            f"{index + 1}",
            "-c",
            "copy",
            f"-metadata:s:a:{index}",
            f"title={track.name}",
        ]
    for index, track in enumerate(subtitle_tracks):
        ffmpeg_command += [
            "-map",
            f"{index + 1 + len(audio_tracks)}",
            f"-c:s:{index}",
            "srt",
            f"-metadata:s:s:{index}",
            f"title={track.name}",
        ]
        if track.default:
            ffmpeg_command += [f"-disposition:s:{index}", "default"]
    ffmpeg_command += [output_path]

    try:

        system.run_command(ffmpeg_command)