# Fix: On Windows, Python 3.8+ requires os.add_dll_directory for conda-forge DLLs.
# Must run BEFORE any import that might trigger tesserocr loading.
import os, sys
if sys.platform == "win32":
    for _d in [
        os.path.join(sys.prefix, "Library", "bin"),
        os.path.join(sys.prefix, "Library", "mingw-w64", "bin"),
        os.path.join(sys.prefix, "Library", "usr", "bin"),
    ]:
        if os.path.isdir(_d):
            os.add_dll_directory(_d)

# Fix: OpenSSL 3.x + corrupted Windows cert store causes aiohttp to crash at import time.
# Monkey-patch ssl.create_default_context to skip Windows cert store loading.
if sys.platform == "win32":
    import ssl
    _orig_load_default_certs = ssl.SSLContext.load_default_certs
    def _safe_load_default_certs(self, purpose=ssl.Purpose.CLIENT_AUTH):
        try:
            _orig_load_default_certs(self, purpose)
        except ssl.SSLError:
            # Windows cert store is corrupted, use certifi instead
            try:
                import certifi
                self.load_verify_locations(certifi.where())
            except Exception:
                pass  # No certs available, continue without verification
    ssl.SSLContext.load_default_certs = _safe_load_default_certs

from dataclasses import dataclass
from input_layer import keyboard
from beautifultable import BeautifulTable
import logging
import traceback
import screen
import string
from version import __version__
from config import Config
from logger import Logger
from game_controller import GameController
from utils.graphic_debugger import GraphicDebuggerController
from utils.misc import restore_d2r_window_visibility
from utils.auto_settings import adjust_settings, backup_settings, restore_settings_from_backup
from utils.os_detect import detect_os
from ui.run_selector import open_run_selector

@dataclass
class Controllers():
    game: GameController
    debugger: GraphicDebuggerController


def start_or_pause_bot(controllers: Controllers):
    if controllers.game.is_running:
        controllers.game.toggle_pause_bot()
        screen.stop_detecting_window()
    else:
        # Kill any other controllers and start botty
        controllers.debugger.stop()
        screen.start_detecting_window()
        controllers.game.start()

def start_or_stop_graphic_debugger(controllers: Controllers):
    if controllers.debugger.is_running:
        controllers.debugger.stop()
        screen.stop_detecting_window()
    else:
        # Kill any other controller and start debugger
        screen.start_detecting_window()
        controllers.game.stop()
        controllers.debugger.start()

def on_exit(controllers: Controllers):
    Logger.info('Force Exit')
    # Generate session report before exiting
    if controllers.game.game_stats:
        try:
            controllers.game.game_stats._save_session_report()
        except Exception as e:
            Logger.warning(f"Failed to save session report: {e}")
    screen.stop_detecting_window()
    restore_d2r_window_visibility()
    os._exit(1)

def _log_platform_info():
    """Log Windows version, mouse mode, and OCR backend at startup."""
    os_info = detect_os()
    build = f" (build {os_info.build})" if os_info.build else ""
    Logger.info(f"Platform: {os_info.label}{build}")
    if not os_info.supported:
        Logger.warning(f"Unsupported OS detected: {os_info.system} {os_info.release}")
    Logger.info(f"Environment profile: {os_info.environment_file}")
    Logger.info(f"Requirements profile: {os_info.requirements_file}")

    from input_layer.win_input import _USE_ABSOLUTE_MOUSE
    mouse_mode = "absolute (Windows 10)" if _USE_ABSOLUTE_MOUSE else "relative (Windows 11)"
    Logger.info(f"Mouse input mode: {mouse_mode}")

    # OCR backend check
    try:
        from d2r_image.ocr import PyTessBaseAPI, OEM
        if PyTessBaseAPI is not None:
            Logger.info("OCR backend: tesserocr (primary)")
        else:
            try:
                import pytesseract
                Logger.warning("OCR backend: pytesseract (fallback — tesserocr missing)")
            except ImportError:
                Logger.error("OCR backend: NONE — neither tesserocr nor pytesseract is installed")
    except Exception as e:
        Logger.error(f"OCR backend check failed: {e}")


def startup_checks():
    _log_platform_info()
    # check if paths contain non-ascii characters
    check_for_non_ascii = {
        "D2R path": Config().general["d2r_path"],
        "Windows username": os.getlogin(),
        "Botty path": os.getcwd()
    }
    for key, value in check_for_non_ascii.items():
        strip_punctuation = value.translate(str.maketrans('', '', string.punctuation))
        if not len(strip_punctuation) == len(strip_punctuation.encode()):
            print(f"\n!! WARNING: {key} ({value}) contains incompatible characters. This could result in Botty encoding errors.\n")


def main():
    # Create folder for debug screenshots if they dont exist yet
    for dir_name in ["log", "log/stats", "log/runs", "log/screenshots", "log/screenshots/info", "log/screenshots/items", "log/screenshots/pickit", "log/screenshots/generated"]:
        os.makedirs(dir_name, exist_ok=True)

    controllers = Controllers(
        GameController(),
        GraphicDebuggerController()
    )
    if Config().advanced_options["logg_lvl"] == "info":
        Logger.init(logging.INFO)
    elif Config().advanced_options["logg_lvl"] == "debug":
        Logger.init(logging.DEBUG)
    else:
        print(f"ERROR: Unkown logg_lvl {Config().advanced_options['logg_lvl']}. Must be one of [info, debug]")
    startup_checks()

    # Auto-launch D2R only when explicitly enabled in params.ini (auto_login=1)
    from utils.restart import process_exists, restart_game
    if not process_exists("D2R.exe"):
        if Config().general["auto_login"]:
            Logger.info("D2R is not running, launching with auto-login...")
            restart_game(Config().general["d2r_path"], Config().advanced_options["launch_options"])
        else:
            Logger.info("D2R is not running and auto_login=0 — please launch D2R manually, then press the resume key to start.")
    else:
        Logger.info("D2R is already running")

    print(f"============ Botty {__version__} [name: {Config().general['name']}] ============")
    print("\nFor gettings started and documentation\nplease read https://github.com/aeon0/botty\n")
    table = BeautifulTable()
    table.set_style(BeautifulTable.STYLE_DEFAULT)
    table.rows.append([Config().advanced_options['select_runs_key'], "Select boss / farm runs"])
    table.rows.append([Config().advanced_options['restore_settings_from_backup_key'], "Restore D2R settings from backup"])
    table.rows.append([Config().advanced_options['settings_backup_key'], "Backup D2R current settings"])
    table.rows.append([Config().advanced_options['auto_settings_key'], "Adjust D2R settings"])
    table.rows.append([Config().advanced_options['graphic_debugger_key'], "Start / Stop Graphic debugger"])
    table.rows.append([Config().advanced_options['resume_key'], "Start / Pause Botty"])
    table.rows.append([Config().advanced_options['exit_key'], "Stop bot"])
    table.columns.header = ["hotkey", "action"]
    try:
        print(table)
    except UnicodeEncodeError:
        # Fallback for terminals without UTF-8 support
        for row in table.rows:
            print(f"  {row[0]:<10} {row[1]}")
    print("\n")

    # Set up log rotation Discord notification callback
    from utils import log_rotation
    if Config().log_rotation.get("discord_notify_rotation"):
        def _log_rotation_callback(deleted: int, dir_path: str, total_mb: float):
            from messages import Messenger
            m = Messenger()
            if m.enabled:
                # Normalize path for readability
                dname = dir_path.split(os.sep)[-1] if dir_path else "log"
                m.send_message(f"Log rotation: deleted {deleted} old files from {dname}/ ({total_mb:.0f}MB remaining)")
        log_rotation.set_rotation_callback(_log_rotation_callback)

    keyboard.add_hotkey(Config().advanced_options['select_runs_key'], lambda: open_run_selector(Config()))
    keyboard.add_hotkey(Config().advanced_options['auto_settings_key'], lambda: adjust_settings())
    keyboard.add_hotkey(Config().advanced_options['graphic_debugger_key'], lambda: start_or_stop_graphic_debugger(controllers))
    keyboard.add_hotkey(Config().advanced_options['restore_settings_from_backup_key'], lambda: restore_settings_from_backup())
    keyboard.add_hotkey(Config().advanced_options['settings_backup_key'], lambda: backup_settings())
    keyboard.add_hotkey(Config().advanced_options['resume_key'], lambda: start_or_pause_bot(controllers))
    keyboard.add_hotkey(Config().advanced_options["exit_key"], lambda: on_exit(controllers))
    keyboard.wait()


if __name__ == "__main__":
    # To avoid cmd just closing down, except any errors and add a input() to the end
    try:
        game_controller = GameController()
        debugger_controller = GraphicDebuggerController()
        main()
    except:
        traceback.print_exc()
    # In --noconsole builds, skip input() - the hotkey-based exit_key handles shutdown
    try:
        if __import__('sys').stdin and __import__('sys').stdin.isatty():
            input()
    except (OSError, ValueError):
        pass