#!/usr/bin/env python3

import os
import configparser
import logging
import subprocess

# Set up logging
logging.basicConfig(filename='dbgr.log', level=logging.DEBUG)

# Call config editor GUI application
subprocess.run(['python', 'config_editor.py'])

# Load configuration from file
config = configparser.ConfigParser()
if not os.path.exists('dbgr.conf'):
    # Create config file with default values
    config['DEFAULT'] = {
        'dosbox_path': '',
        'game_path': '',
        'working_directory': '',
        '-noconsole': '',
        '-conf': 'dbgr.conf',
        '-cycles': 'auto',
        '-cputype': 'auto',
        '-memsize': '16',
        '-sblaster': 'sb16',
        '-sbbase': '220',
        '-irq': '7',
        '-dma': '1',
        '-ultradir': 'c:\\ultra',
        '-mididevice': 'default',
        '-mpu401': 'intelligent',
        '-uart': '16550A',
        '-midi': 'mpu-401',
        '-cdrom': '',
        '-ioctl': '',
        '-serial': 'nullmodem',
        '-ipx': 'true',
        '-net': 'nic',
        'ms_dos_exe': '',
    }
    with open('dbgr.conf', 'w') as configfile:
        config.write(configfile)
else:
    config.read('dbgr.conf')

# Detect DOSBox path if not specified in config
if not config['DEFAULT']['dosbox_path']:
    dosbox_paths = ['/usr/local/bin/dosbox', '/usr/bin/dosbox', '/usr/bin/dosbox-staging']
    for path in dosbox_paths:
        if os.path.exists(path):
            config['DEFAULT']['dosbox_path'] = path
            break

# Set game path and working directory from config
game_path = config['DEFAULT']['game_path']
working_directory = config['DEFAULT']['working_directory']

# Set DOSBox options from config, overriding any defaults set in the script
for switch, value in config['DEFAULT'].items():
    if switch.startswith('-') and value:
        os.environ[switch] = value

# Set audio and video options with sane defaults
if 'audio' not in config:
    config['audio'] = {
        'sbtype': 'sb16',
        'sbbase': '220',
        'irq': '7',
        'dma': '1'
    }

if 'video' not in config:
    config['video'] = {
        'output': 'sdl',
        'aspect': 'false',
        'scaler': 'normal2x',
        'fullresolution': 'desktop',
        'window_mode': 'true'
    }

# Write updated configuration to file
with open('dbgr.conf', 'w') as configfile:
    config.write(configfile)

# Run DOSBox with specified game and options
if not os.path.exists(game_path):
    raise Exception(f"Game path '{game_path}' does not exist.")

os.chdir(working_directory)
os.system(f'"{config["DEFAULT"]["dosbox_path"]}" -conf dbgr.conf "{game_path}"')