"""Mephisto farming routine for D2R.

Classic Mephisto run: Create game → Teleport to Durance 3 → 
Kill Mephisto → Loot → Exit → Repeat
"""

import logging
import time
from enum import Enum, auto

logger = logging.getLogger(__name__)


class MephistoPhase(Enum):
    CREATE_GAME = auto()
    TELEPORT_TO_DURANCE = auto()
    FIND_MEPHISTO = auto()
    KILL_MEPHISTO = auto()
    LOOT = auto()
    TOWN_PORTAL = auto()
    STASH_ITEMS = auto()
    EXIT_GAME = auto()


class MephistoRoutine:
    """Automated Mephisto farming runs.
    
    Designed for Sorceress with Teleport. Can be adapted for
    other classes with Enigma runeword.
    """
    
    def __init__(self, bot):
        self.bot = bot
        self.phase = MephistoPhase.CREATE_GAME
        self.run_count = 0
        self.items_found = 0
    
    def execute_run(self) -> bool:
        """Execute a single Mephisto run. Returns True if successful."""
        logger.info(f"Starting Mephisto run #{self.run_count + 1}")
        
        phases = [
            (MephistoPhase.CREATE_GAME, self._create_game),
            (MephistoPhase.TELEPORT_TO_DURANCE, self._teleport_to_durance),
            (MephistoPhase.FIND_MEPHISTO, self._find_mephisto),
            (MephistoPhase.KILL_MEPHISTO, self._kill_mephisto),
            (MephistoPhase.LOOT, self._loot_items),
            (MephistoPhase.TOWN_PORTAL, self._town_portal),
            (MephistoPhase.STASH_ITEMS, self._stash_items),
            (MephistoPhase.EXIT_GAME, self._exit_game),
        ]
        
        for phase, handler in phases:
            self.phase = phase
            logger.debug(f"Phase: {phase.name}")
            
            if not handler():
                logger.warning(f"Phase {phase.name} failed")
                return False
            
            self.bot.humanizer.wait()
        
        self.run_count += 1
        logger.info(f"Run #{self.run_count} complete. Total items: {self.items_found}")
        return True
    
    def _create_game(self) -> bool:
        """Create a new game."""
        # TODO: Navigate menu → create game with random name
        return True
    
    def _teleport_to_durance(self) -> bool:
        """Teleport from Act 3 town to Durance of Hate Level 3."""
        # TODO: Navigate waypoint → Durance 2 → teleport to Durance 3
        return True
    
    def _find_mephisto(self) -> bool:
        """Locate Mephisto on Durance 3."""
        # TODO: Teleport around to find Mephisto (moat trick position)
        return True
    
    def _kill_mephisto(self) -> bool:
        """Kill Mephisto using appropriate skill rotation."""
        # TODO: Position at moat trick spot, cast spells
        return True
    
    def _loot_items(self) -> bool:
        """Pick up valuable items."""
        # TODO: Detect and pick up items based on loot filter
        return True
    
    def _town_portal(self) -> bool:
        """Cast town portal and go to town."""
        # TODO: Cast TP, click portal
        return True
    
    def _stash_items(self) -> bool:
        """Stash items if inventory is getting full."""
        # TODO: Open stash, transfer items
        return True
    
    def _exit_game(self) -> bool:
        """Exit the current game."""
        # TODO: Save & Exit
        return True