from sys import exit, argv

from os import name as OS_NAME
from os import listdir
from os.path import exists, join, isdir

from time import sleep

from typing import Dict, Tuple

try:
    from click import echo, style
except ImportError:
    print("ERROR Please activate a virtual environment and install requirements.txt")
    exit()

from pyautogui import mouseDown as mouse_down, mouseUp as mouse_up
from keyboard import press as key_down, release as key_up, KeyboardEvent, add_hotkey, hook as key_hook, write as key_write
# Not entirely sure why this doesn't work
#from mouse import press as mouse_down, release as mouse_up, click as mouse_press, move as mouse_move

from toml import load as toml_load

from asyncio import run, sleep as asleep
from asyncio.tasks import gather as task_group

def print_err(msg):
    echo(style("ERROR", fg="bright_red") + " " + msg)

def print_warn(msg):
    echo(style("WARN ", fg="bright_yellow") + " " + msg)

def print_ok(msg):
    echo(style(" OK  ", fg="bright_green") + " " + msg)

def print_info(msg):
    print("      " + msg)

def keyboard_output(msg: str, delay: int=50, hold: int=20):
    key_write(msg, delay=hold)
    sleep(delay/1000)

def mouse_output(button: str, delay: int=50, hold: int=20):
    mouse_down(button=button)
    sleep(hold / 1000)
    mouse_up(button=button)
    sleep(hold / 1000)
    sleep(delay / 1000)

platform: str = ""
os_name = OS_NAME.lower()
if "linux" in os_name or "posix" in os_name:
    platform = "LINUX"
elif "windows" in os_name or "nt" in os_name:
    platform = "WINDOWS"
elif "darwin" in os_name:
    platform = "MACOS"
else:
    print_err("Platform 'Linux', 'Windows' or 'MacOS' expected")
    print_info(f"Platform: {OS_NAME}")
    exit()

class ActionKind(int):
    """
    Actions can be defined to do different things

    Because of this complexity, Actions are separated into

    Mouse Actions:
    - Click (Press mouse button down, then release mouse button up)
    - Click Down (Press mouse button down, never releasing up)

    Keyboard Actions:
    - Key (Press key down, then release key up)
    - Key Down (Press key down, never releasing up)

    Mirror Actions will typically be one of the above (mouse or keyboard actions, typically Click or Key)

    They Mirror a key's state, if it's down: pressing or clicking down, if it's up: releasing up
    """
    NONE = 0
    """ Invalid Action state """
    CLICK = 1
    """ Mouse Action, Click (Press mouse button down, then release mouse button up) """
    CLICK_DOWN = 2
    """ Mouse Action, Click Down (Press mouse button down, never releasing up) """
    KEY = 3
    """ Keyboard Action, Key (Press key down, then release key up) """
    KEY_DOWN = 4
    """ Keyboard Action, Key Down (Press key down, never releasing up) """
    MIRROR = 5
    """ Mirror Actions will typically be one of the above (mouse or keyboard actions, typically Click or Key)

    They Mirror a key's state, if it's down: pressing or clicking down, if it's up: releasing up
    """
    def __init__(self, kind: str):
        # Unlike most __init__ methods, this converts a string into a ActionKind (returning the ActionKind)
        k = kind.lower().strip()
        if k == "click":
            return ActionKind.CLICK
        elif k == "click down":
            return ActionKind.CLICK_DOWN
        elif k == "key":
            return ActionKind.KEY
        elif k == "key down":
            return ActionKind.KEY_DOWN
        elif k == "mirror":
            return ActionKind.MIRROR
        else:
            return ActionKind.NONE
    
    def __str__(self) -> str:
        # Converts the ActionKind into a string, mostly for debugging
        if self == ActionKind.CLICK:
            return "click"
        elif self == ActionKind.CLICK_DOWN:
            return "click down"
        elif self == ActionKind.KEY:
            return "key"
        elif self == ActionKind.KEY_DOWN:
            return "key down"
        elif self == ActionKind.MIRROR:
            return "mirror"
        else:
            return f"<ActionKind {int(self)}>"
        
    def is_mouse(self) -> bool:
        """ Is this Action a Mouse Action

        Mouse Actions:
        - Click (Press mouse button down, then release mouse button up)
        - Click Down (Press mouse button down, never releasing up)
        """
        return self == ActionKind.CLICK or self == ActionKind.CLICK_DOWN
    
    def is_keyboard(self) -> bool:
        """ Is this Action a Keyboard Action
        
        Keyboard Actions:
        - Key (Press key down, then release key up)
        - Key Down (Press key down, never releasing up)
        """
        return self == ActionKind.KEY or self == ActionKind.KEY_DOWN

class Action:
    name: str
    """ Action's can be named to describe and clarify what the Action should do

    i.e. 'auto click' for some Auto Clicker, 'shop' for something that opens a shop (such as '/shop')
    """
    kind: ActionKind
    """ The Kind of Action to do

    See tyrell.ActionKind
    """
    extra: Dict
    enabled: bool
    delay: int
    max_delay: int
    def __init__(self, name: str, kind: str, extra: Dict, on: bool=False, delay: int=0):
        self.name = name
        self.kind = ActionKind(kind)
        self.enabled = on
        self.delay = delay
        self.max_delay = delay
    
    def toggle(self) -> bool:
        self.enabled = not self.enabled
        return self.enabled
    
    def enable(self):
        self.enabled = True
    
    def disable(self):
        self.enabled = False

    def is_ticker(self) -> bool:
        """ Actions can be time based or not

        Tickers are: Actions time based will fire after a number of ticks (at a set delay, tick speed)

        All Actions not time based fire only when the selected "keybind" is pressed (where tickers use the "keybind" to toggle them on and off)
        """
        return self.max_delay != 0
    
    def is_mirror(self, key: str) -> bool:
        if self.kind != ActionKind.MIRROR:
            return False
        return key == self.extra["mirror"]
    
    def tick(self) -> bool:
        if not self.is_ticker():
            return False
        if not self.enabled:
            if self.delay != self.max_delay:
                self.delay = self.max_delay
            return False
        self.delay -= 1
        if self.delay <= 0:
            self.delay = self.max_delay
            return True
        return False
    
    def do(self, key: Tuple[str, int], delay: int=50, hold: int=20):
        if not self.enabled:
            return
        d = delay
        h = hold
        if "delay" in self.extra:
            d = self.extra["delay"]
        if "hold" in self.extra:
            h = self.extra["hold"]
        if self.kind == ActionKind.CLICK:
            mouse_output(self.extra["button"], d, h)
        elif self.kind == ActionKind.CLICK_DOWN:
            mouse_down(button=self.extra["button"])
        elif self.kind == ActionKind.KEY:
            keyboard_output(self.extra["write"], d, h)
        elif self.kind == ActionKind.KEY_DOWN:
            key_down(self.extra["write"])
        elif self.kind == ActionKind.MIRROR:
            if key[1] == 0: # Up
                if "write" in self.extra: # Key Mirror
                    key_up(self.extra["write"])
                elif "button" in self.extra: # Mouse Mirror
                    mouse_up(button=self.extra["button"])
            elif key[1] == 1: # Down
                if "write" in self.extra: # Key Mirror
                    key_down(self.extra["write"])
                elif "button" in self.extra: # Mouse Mirror
                    mouse_down(button=self.extra["button"])
    
    def do_tick(self, delay: int=50, hold: int=20):
        if self.tick():
            self.do(delay, hold)

class Tyrell:
    pass

class OldAction():
    name: str
    kind: str
    extra: Dict
    toggled: bool
    delay: int
    max_delay: int
    def __init__(self, name, kind, extra=None, toggled=False, delay=0):
        self.name = name
        self.kind = kind
        if extra is not None:
            self.extra = extra
        else:
            self.extra = {}
        self.toggled = toggled
        self.delay = delay
        self.max_delay = delay

    def toggle(self) -> bool:
        self.toggled = not self.toggled
        return self.toggled

    def tick(self) -> bool:
        if not self.toggled:
            if self.delay != self.max_delay:
                self.delay = self.max_delay
            return False
        if self.max_delay != 0:
            self.delay -= 1
            if self.delay <= 0:
                self.delay = self.max_delay
                return True
        return False

    def do(self, delay: int=50, hold: int=20):
        if not self.toggled:
            return
        d = delay
        h = hold
        if self.extra is not None:
            if "delay" in self.extra:
                d = self.extra["delay"]
            if "hold" in self.extra:
                h = self.extra["hold"]
        if self.kind == "click":
            mouse_output(self.extra["button"], d, h)
        elif self.kind == "click down":
            mouse_down(self.extra["button"])
        elif self.kind == "key":
            keyboard_output(self.extra["write"], d, h)
        elif self.kind == "key down":
            key_down(self.extra["write"])

class OldTyrell():
    keybinds: Dict[str, OldAction]
    mirrors: Dict[str, str] # mirror key -> key in keybinds
    toggled: bool
    delay: int
    hold: int
    def __init__(self, profile_name: str):
        self.profile = {
            "activator": "`",
            "helper": "?",
            "delay": 50,
            "hold": 20,
            "tick": 50,
            "placeholder_name": False,
        }
        self.name = profile_name
        if profile_name.endswith(".toml"):
            self.name = profile_name.removesuffix(".toml")
        if not exists(self.name) or not isdir(self.name):
            print_err(f"Invalid profile '{self.name}'")
            print_info(f"This should be a directory")
            exit()
        profile_config = join(self.name, self.name+".toml")
        if exists(profile_config):
            with open(profile_config, "r") as f:
                try:
                    t = toml_load(f)
                except Exception as err:
                    print_err(f"Invalid profile '{self.name}'")
                    print_info(f"Invalid '{self.name+'.toml'}' config")
                    print(err)
                    exit()
                self.profile = t
                if "activator" not in self.profile:
                    self.profile["activator"] = "`"
                if "helper" not in self.profile:
                    self.profile["helper"] = "?"
                if "hold" not in self.profile:
                    self.profile["hold"] = 20
                if "delay" not in self.profile:
                    self.profile["delay"] = 50
                if "tick" not in self.profile:
                    self.profile["tick"] = 50
                if "placeholder_name" not in self.profile:
                    self.profile["placeholder_name"] = False
        else:
            print_err(f"Invalid profile '{self.name}'")
            print_info(f"Missing '{self.name+'.toml'}' config")
            exit()
        self.delay = self.profile["delay"]
        self.hold = self.profile["hold"]
        self.keybinds = {}
        self.mirrors = {}
        self.toggled = False
        if not exists(join(self.name, 'keys')):
            print_err(f"Invalid profile '{self.name}'")
            print_info("Missing 'keys' directory (for keybinds)")
            exit()
        else:
            for ent in listdir(join(self.name, "keys")):
                if ent.startswith(".") or isdir(ent) or not ent.endswith(".toml"):
                    continue
                with open(join(self.name, "keys", ent), "r") as f:
                    t = toml_load(f)
                    if t["keybind"] == "?" or t["keybind"] == "`":
                        continue
                    if "duration" in t:
                        self.add_action(t["keybind"], OldAction(ent.removesuffix(".toml"), t["kind"], extra=t, delay=t["duration"]))
                    else:
                        self.add_action(t["keybind"], OldAction(ent.removesuffix(".toml"), t["kind"], extra=t))

    def toggle(self, all: bool=False, all_tickers: bool=False, all_notickers: bool=False) -> bool:
        self.toggled = not self.toggled
        if all:
            for key in self.keybinds:
                act = self.keybinds[key]
                act.toggle()
        elif all_tickers:
            for key in self.keybinds:
                act = self.keybinds[key]
                if act.max_delay != 0:
                    act.toggle()
        elif all_notickers:
            for key in self.keybinds:
                act = self.keybinds[key]
                if act.max_delay == 0:
                    act.toggle()
        return self.toggled

    def disable(self, all: bool=False, all_tickers: bool=False, all_notickers: bool=False):
        self.toggled = False
        if all:
            for key in self.keybinds:
                act = self.keybinds[key]
                act.toggled = False
        elif all_tickers:
            for key in self.keybinds:
                act = self.keybinds[key]
                if act.max_delay != 0:
                    act.toggled = False
        elif all_notickers:
            for key in self.keybinds:
                act = self.keybinds[key]
                if act.max_delay == 0:
                    act.toggled = False

    def enable(self, all: bool=False, all_tickers: bool=False, all_notickers: bool=False):
        self.toggled = True
        if all:
            for key in self.keybinds:
                act = self.keybinds[key]
                act.toggled = True
        elif all_tickers:
            for key in self.keybinds:
                act = self.keybinds[key]
                if act.max_delay != 0:
                    act.toggled = True
        elif all_notickers:
            for key in self.keybinds:
                act = self.keybinds[key]
                if act.max_delay == 0:
                    act.toggled = True

    def add_action(self, bind: str, act: OldAction):
        act.toggled = False
        if "placeholder_name" in self.profile:
            if self.profile["placeholder_name"] and "write" in act.extra:
                    act.extra["write"] = act.extra["write"].replace("{name}", self.name)
        if act.kind == "mirror" and "mirror" in act.extra:
            self.mirrors[act.extra["mirror"]] = bind
        self.keybinds[bind] = act

    def remove_action(self, bind: str):
        self.keybinds[bind] = None

    def is_action(self, bind: str) -> bool:
        return self.keybinds[bind] is not None

    def print_help(self):
        print_ok(f"{int(1000 / self.profile['tick'])} ticks per second ({self.profile['tick']} ms per tick)")
        print_ok(f"Name placeholder: {self.profile['placeholder_name']}")
        print_warn(f"{self.profile['activator']} -> Activate/Deactivate")
        print_warn(f"{self.profile['helper']} -> Displays Help")
        for key in self.keybinds:
            act = self.keybinds[key]
            if act.max_delay == 0 and act.toggled:
                print_info(f"{key} -> {act.name}")
            else:
                print_info(f"{key} -> {act.name} = {act.toggled} ({act.max_delay} ticks)")
        print_ok("Please use " + style("CTRL+C", fg="bright_yellow") + " to stop")

    def tick(self):
        for key in self.keybinds:
            act = self.keybinds[key]
            if act.tick():
                act.do(self.delay, self.hold)

    # def callback(self, event: KeyboardEvent):
    #     key_name = event.name
    #     #if key_name in self.mirrors:
    #     #    # key mirrors currently lag
    #     #    act = self.keybinds[self.mirrors[key_name]]
    #     #    if act.toggled:
    #     #        if "write" in act.extra:
    #     #            if event.event_type == "down":
    #     #                key_down(act.extra["write"])
    #     #            else:
    #     #                key_up(act.extra["write"])
    #     #        elif "button" in act.extra:
    #     #            if event.event_type == "down":
    #     #                mouse_down(button=act.extra["button"])
    #     #            else:
    #     #                mouse_up(button=act.extra["button"])
    #     #if event.event_type == "up":
    #     if key_name == self.profile["activator"]:
    #         if self.toggle():
    #             print_ok("ON")
    #         else:
    #             print_ok("OFF")
    #     elif self.toggled:
    #         #print(f"Name:      {event.name}")
    #         #print(f"Code:      {event.scan_code}")
    #         #print(f"Modifiers: {event.modifiers}")
    #         if self.profile["helper"] == "?" and "shift" in event.modifiers and event.name == "/" or key_name == self.profile["helper"]:
    #             self.print_help()
    #         elif key_name in self.keybinds:
    #             act = self.keybinds[key_name]
    #             if act.max_delay == 0 and act.toggled:
    #                 print_info(f"{key_name} -> {act.kind}")
    #                 act.do(self.delay, self.hold)
    #             else:
    #                 print_info(f"{key_name} -> {act.kind} = {act.toggle()}")
    #         self.toggle()
    #         print_ok("OFF")

    def callback(self, bind, state=None, mirror_host=None):
        if bind == "__toggle__":
            if self.toggle():
                print_info(style("ON", fg="bright_green"))
            else:
                print_info(style("OFF", fg="bright_red"))
            return
        if state == "up" or state == "down":
            act = self.keybinds[mirror_host]
            if act.toggled:
                if act.extra["write"] != None or len(act.extra["write"]) != 0:
                    if state == "up":
                        print(f"'{bind}' -> {act.name} UP")
                        key_up(act.extra["write"])
                    elif state == "down":
                        print(f"'{bind}' -> {act.name} DOWN")
                        key_down(act.extra["write"])
                elif act.extra["button"] != None or len(act.extra["button"]) != 0:
                    if state == "up":
                        print(f"'{bind}' -> {act.name} UP")
                        mouse_up(button=act.extra["button"])
                    elif state == "down":
                        print(f"'{bind}' -> {act.name} DOWN")
                        mouse_down(button=act.extra["button"])
            return
        if not self.toggled:
            return
        if bind == "__help__":
            self.print_help()
            self.disable()
            print_info(style("OFF", fg="bright_red"))
            return
        act = self.keybinds[bind]
        if act.toggled:
            print(f"'{bind}' -> {act.name}")
            act.do(self.delay, self.hold)
        elif act.max_delay != 0 or act.kind == "mirror":
            if act.toggle():
                print(f"'{bind}' -> {act.name} " + style("ON", fg="bright_green"))
            else:
                print(f"'{bind}' -> {act.name} " + style("OFF", fg="bright_red"))
        self.disable()
        print_info(style("OFF", fg="bright_red"))

    async def background(self):
        while True:
            self.tick()
            await asleep(self.profile["tick"] / 1000) # 50 ms (20 per second, same as Minecraft)

    async def mainloop(self):
        #keyboard_hook(self.callback)
        add_hotkey(41, self.callback, args=["__toggle__"])
        add_hotkey("shift+?", self.callback, args=["__help__"])
        for bind in self.keybinds:
            act = self.keybinds[bind]
            if act.kind == "key" or act.kind == "key down":
                print(f"hotkey -=> {bind}")
                add_hotkey(bind, self.callback, args=[bind])
            elif act.kind == "mirror":
                print(f"hotkey -=> {bind} (mirror {act.extra['mirror']})")
                add_hotkey(bind, self.callback, args=[bind])
                add_hotkey(bind, self.callback, args=[act.extra["mirror"], "down", bind])
                add_hotkey(bind, self.callback, args=[act.extra["mirror"], "up", bind], trigger_on_release=True)
        await task_group(
            self.background()
        )

if __name__ == "__main__":
    if len(argv) == 1:
        print_err("Missing profile filename")
        print_info("Example: 'tyrell.py Apollo' would look for 'Apollo.toml'")
        print()
        print_info("Profiles allow you to add placeholders,")
        print_info("And defines in a \"global\" sense key delay and hold delay.")
        print()
        exit()
    ty = OldTyrell(",".join(argv[1:]))
    if len(ty.keybinds) == 0:
        print_err("Missing keybinds")
        print_info("(Might want some keybinds, place them in a 'keys' directory)")
        print_info(f"(  Need an example? Look at '{join('_example', 'keys', 'example.toml')}')")
        exit()
    ty.enable(all_notickers=True)
    ty.disable()
    ty.print_help()
    if ty.name == "_example":
        print_warn("This is the " + style("example", fg="bright_yellow") + ", please define you're own profile")
        print_info("Please DO NOT EDIT this example profile")
    try:
        run(ty.mainloop())
    except KeyboardInterrupt:
        exit()