#!/usr/bin/env python
# -*- coding: utf-8 -*-

#audacity & sleep 20 &&  python3 Audacity_Batch_Export.py

import os
import sys
import psutil

########################################

#Remember the . in the extension !
export_extension = ".wav"

#Slash direction (linux style / vs Windows \)
path_slash_style = "/"

#Note, the quotes and end , are important ! Find/Replace .aup3 with .aup3", and file:// or C:\ with
# " or "C:\ etc.
project_files_list= [
"/path/to/project1.aup3",
"/path/to/project2.aup3",
"/path/to/project3.aup3",
]

#########################################

if sys.platform == 'win32':
    print("pipe-test.py, running on windows")
    TONAME = '\\\\.\\pipe\\ToSrvPipe'
    FROMNAME = '\\\\.\\pipe\\FromSrvPipe'
    EOL = '\r\n\0'

    if str("audacity.exe" in (i.name() for i in psutil.process_iter())) == "False":
        print("Audacity needs to be running first - launch it! and make sure Audacity > Edit > Preferences > Modules > Mod-Script-Pipe is Enabled.")
        quit()

else:
    print("pipe-test.py, running on linux or mac")
    TONAME = '/tmp/audacity_script_pipe.to.' + str(os.getuid())
    FROMNAME = '/tmp/audacity_script_pipe.from.' + str(os.getuid())
    EOL = '\n'

    if str("audacity" in (i.name() for i in psutil.process_iter())) == "False":
        print("Audacity needs to be running first - launch it! and make sure Audacity > Edit > Preferences > Modules > Mod-Script-Pipe is Enabled.")
        quit()



TOFILE = open(TONAME, 'w')
FROMFILE = open(FROMNAME, 'rt')


def send_command(command):
    TOFILE.write(command + EOL)
    TOFILE.flush()

def get_response():
    result = ''
    line = ''
    while True:
        result += line
        line = FROMFILE.readline()
        if line == '\n' and len(result) > 0:
            break
    return result

def do_command(command):
    send_command(command)
    response = get_response()
    print("Rcvd: <<< \n" + response)
    return response



for project_file_path in project_files_list:

    #Split our project file path down and create our export audio path from it.
    path = os.path.split(project_file_path)
    filename = str(path[1])
    filename = filename.split(".")
    filename = str(filename[0])
    filename = filename+export_extension

    #Create the export path.
    export_path = str(path[0]+path_slash_style+"Export"+path_slash_style+filename)

    #Make sure we have an export folder.
    try:
        os.mkdir(str(path[0]+path_slash_style+"Export"+path_slash_style))
    except Exception as e:
        print(f"An error occurred: {e}")

    #Now open our project.
    open_command_prefix = "OpenProject2: Filename=\""
    open_command_path = str(project_file_path)
    open_command_suffix = "\""

    #Combine our three strings together to create the final export command.
    open_command_final=open_command_prefix+open_command_path+open_command_suffix

    #Open the current array item project in Audacity.
    do_command(open_command_final)

    #Required for export to some filetypes (e.g. mp3).
    do_command('SelectAll:')

    #Now export.
    export_command_prefix = "Export2: Filename=\""
    export_command_suffix = "\""

    #Combine our three strings together to create the final export command.
    export_command_final=export_command_prefix+export_path+export_command_suffix

    #Export the project to the desired output format.
    do_command(export_command_final)

    #Close the project, both this and the out of the loop Exit: crashes Audacity.
    #do_command('Close:')

#Close the program
#do_command('Exit:')