#!/usr/bin/python3
import json
import os
import re
import shutil
import subprocess
import sys


from flask import Flask, send_from_directory
from config import config
from src.SlideManager import SlideManager
from src.ScreenManager import ScreenManager
from src.controller.PlayerController import PlayerController
from src.controller.SlideshowController import SlideshowController
from src.controller.FleetController import FleetController
from src.controller.SysinfoController import SysinfoController

# <config>
PLAYER_URL = 'http://localhost:{}'.format(config['port'])
screen_manager = ScreenManager()
slide_manager = SlideManager()
with open('./lang/{}.json'.format(config['lang']), 'r') as file:
    LANGDICT = json.load(file)
# </config>


# <reverse-proxy>
if config['reverse_proxy_mode']:
    reverse_proxy_config_file = 'system/nginx-obscreen'
    with open(reverse_proxy_config_file, 'r') as file:
        content = file.read()
    with open(reverse_proxy_config_file, 'w') as file:
        file.write(re.sub(r'proxy_pass .*?;', 'proxy_pass {};'.format(PLAYER_URL), content))
    PLAYER_URL = 'http://localhost'
# </reverse-proxy>


# <server>
app = Flask(__name__, template_folder='views', static_folder='data')
app.config['UPLOAD_FOLDER'] = 'data/uploads'
app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024  # 16MB

if config['debug']:
    app.config['TEMPLATES_AUTO_RELOAD'] = True

# </server>


# <xenv>
if config['lx_file']:
    destination_path = '/home/pi/.config/lxsession/LXDE-pi/autostart'
    os.makedirs(os.path.dirname(config['lx_file']), exist_ok=True)
    xenv_presets = f"""
    @lxpanel --profile LXDE-pi
    @pcmanfm --desktop --profile LXDE-pi
    @xscreensaver -no-splash
    #@point-rpi
    @xset s off
    @xset -dpms
    @xset s noblank
    @unclutter -display :0 -noevents -grab
    @sed -i 's/"exited_cleanly": false/"exited_cleanly": true/' ~/.config/chromium/Default/Preferences
    #@sleep 10
    @chromium-browser --disable-features=Translate --ignore-certificate-errors --disable-web-security --disable-restore-session-state --autoplay-policy=no-user-gesture-required --start-maximized --allow-running-insecure-content --remember-cert-error-decisions --disable-restore-session-state --noerrdialogs --kiosk --incognito --window-position=0,0 --display=:0 {PLAYER_URL}
    """
    with open(config['lx_file'], 'w') as file:
        file.write(xenv_presets)
# </xenv>


# <web>
@app.context_processor
def inject_global_vars():
    return dict(
        FLEET_MODE=config['fleet_enabled'],
        LANG=config['lang'],
        STATIC_PREFIX='/data/www/'
    )


PlayerController(app, LANGDICT, slide_manager)
SlideshowController(app, LANGDICT, slide_manager)
FleetController(app, LANGDICT, screen_manager)
SysinfoController(app, LANGDICT)


@app.errorhandler(404)
def not_found(e):
    return send_from_directory('views', 'core/error404.html'), 404
# </web>


if __name__ == '__main__':
    app.run(
        host=config['bind'] if 'bind' in config else '0.0.0.0',
        port=config['port'],
        debug=config['debug']
    )