packets.py

"""
League of Legends Replay Packet Definitions
"""

from dataclasses import dataclass
from typing import Dict, List, Optional, Union
from enum import Enum

@dataclass
class Position:
    """2D position on the game map"""
    x: float
    z: float

class AIType(Enum):
    """Type of AI entity"""
    UNKNOWN = "Unknown"
    HERO = "Hero" 
    MINION = "Minion"
    TURRET = "Turret"
    NEUTRAL = "Neutral"

class ReplicationInternalData:
    """Internal replication data that can be int or float"""
    def __init__(self, value: Union[int, float]):
        self.value = value
        self.is_int = isinstance(value, int)
        self.is_float = isinstance(value, float)

@dataclass
class CreateHero:
    """Packet for hero/champion creation"""
    time: float
    net_id: int
    name: str
    champion: str

@dataclass 
class WaypointGroup:
    """Packet containing movement waypoints for entities"""
    time: float
    waypoints: Dict[int, List[Position]]

@dataclass
class WaypointGroupWithSpeed:
    """Packet containing movement waypoints with speed data"""
    time: float
    waypoints: Dict[int, List[Position]]

@dataclass
class EnterFog:
    """Packet for entity entering fog of war"""
    time: float
    net_id: int

@dataclass
class LeaveFog:
    """Packet for entity leaving fog of war"""
    time: float
    net_id: int

@dataclass
class UnitApplyDamage:
    """Packet for damage application between units"""
    time: float
    source_net_id: int
    target_net_id: int
    damage: float

@dataclass
class DoSetCooldown:
    """Packet for ability cooldown updates"""
    time: float
    net_id: int
    slot: int
    cooldown: float
    display_cooldown: float

@dataclass
class BasicAttackPos:
    """Packet for basic attack with positional data"""
    time: float
    source_net_id: int
    target_net_id: int
    source_position: Position
    target_position: Position
    slot: int
    caster_net_id: int
    spell_chain_owner_net_id: int
    spell_hash: int
    spell_name: str
    level: int
    target_end_position: Position
    target_net_ids: List[int]
    windup_time: float
    cooldown: float
    mana_cost: float

@dataclass
class CastSpellAns:
    """Packet for spell casting"""
    time: float
    caster_net_id: int
    spell_chain_owner_net_id: int
    spell_hash: int
    spell_name: str
    level: int
    source_position: Position
    target_position: Position
    target_end_position: Position
    target_net_ids: List[int]
    windup_time: float
    cooldown: float
    mana_cost: float
    slot: int

@dataclass
class BarrackSpawnUnit:
    """Packet for minion spawning from barracks"""
    time: float
    barrack_net_id: int
    minion_net_id: int
    wave_count: int
    minion_type: int  # 0xc0 = cannon, 0x60 = ranged, 0 = melee
    minion_level: int

@dataclass
class ReplicationData:
    """Replication data for game state synchronization"""
    primary_index: int
    secondary_index: int
    name: str
    data: ReplicationInternalData

@dataclass
class Replication:
    """Packet containing replication data for multiple entities"""
    time: float
    net_id_to_replication_datas: Dict[int, ReplicationData]

@dataclass
class SpawnMinion:
    """Packet for minion spawning"""
    time: float
    net_id: int
    position1: Position
    position2: Position
    name: str
    skin_name: str
    level: int
    targetable_on_client: int
    targetable_to_team_flags_on_client: int
    bot: bool

@dataclass
class CreateNeutral:
    """Packet for neutral monster creation"""
    time: float
    net_id: int
    position1: Position
    position2: Position
    name: str
    skin_name: str
    level: int
    direction: Position
    camp_id: int
    neutral_type: int

@dataclass
class CreateTurret:
    """Packet for turret creation"""
    time: float
    net_id: int
    owner_net_id: int
    name: str

@dataclass
class NPCDieMapView:
    """Packet for NPC death (map view)"""
    time: float
    killer_net_id: int
    killed_net_id: int

@dataclass
class NPCDieMapViewBroadcast:
    """Packet for NPC death broadcast"""
    time: float
    killer_net_id: int
    killed_net_id: int

@dataclass
class HeroDie:
    """Packet for hero/champion death"""
    time: float
    net_id: int

@dataclass
class BuyItem:
    """Packet for item purchase"""
    time: float
    net_id: int
    slot: int
    item_id: int
    item_name: str
    items_in_slot: int
    spell_charges: int
    item_gold: float
    entity_gold_after_change: float

@dataclass
class RemoveItem:
    """Packet for item removal"""
    time: float
    net_id: int
    slot: int
    items_in_slot: int
    entity_gold_after_change: float

@dataclass
class SwapItem:
    """Packet for item slot swapping"""
    time: float
    net_id: int
    source_slot: int
    target_slot: int

@dataclass
class UseItem:
    """Packet for item usage"""
    time: float
    net_id: int
    slot: int
    items_in_slot: int
    spell_charges: int

# Union type for all possible packets
PacketType = Union[
    CreateHero,
    WaypointGroup, 
    WaypointGroupWithSpeed,
    EnterFog,
    LeaveFog,
    UnitApplyDamage,
    DoSetCooldown,
    BasicAttackPos,
    CastSpellAns,
    BarrackSpawnUnit,
    Replication,
    SpawnMinion,
    CreateNeutral,
    CreateTurret,
    NPCDieMapView,
    NPCDieMapViewBroadcast,
    HeroDie,
    BuyItem,
    RemoveItem,
    SwapItem,
    UseItem
]

def parse_packet_from_dict(packet_dict: dict) -> PacketType:
    """
    Parse a packet dictionary into the appropriate packet dataclass.
    
    Args:
        packet_dict: Dictionary containing packet data with 'packet_type' field
        
    Returns:
        Appropriate packet dataclass instance
        
    Raises:
        ValueError: If packet_type is unknown
    """
    packet_type = packet_dict.get('packet_type')
    
    # Remove packet_type from dict for dataclass creation
    data = {k: v for k, v in packet_dict.items() if k != 'packet_type'}
    
    # Convert position dictionaries to Position objects
    def convert_positions(obj):
        if isinstance(obj, dict):
            if 'x' in obj and 'z' in obj and len(obj) == 2:
                return Position(x=obj['x'], z=obj['z'])
            return {k: convert_positions(v) for k, v in obj.items()}
        elif isinstance(obj, list):
            return [convert_positions(item) for item in obj]
        return obj
    
    data = convert_positions(data)
    
    # Map packet types to dataclasses
    packet_classes = {
        'CreateHero': CreateHero,
        'WaypointGroup': WaypointGroup,
        'WaypointGroupWithSpeed': WaypointGroupWithSpeed,
        'EnterFog': EnterFog,
        'LeaveFog': LeaveFog,
        'UnitApplyDamage': UnitApplyDamage,
        'DoSetCooldown': DoSetCooldown,
        'BasicAttackPos': BasicAttackPos,
        'CastSpellAns': CastSpellAns,
        'BarrackSpawnUnit': BarrackSpawnUnit,
        'Replication': Replication,
        'SpawnMinion': SpawnMinion,
        'CreateNeutral': CreateNeutral,
        'CreateTurret': CreateTurret,
        'NPCDieMapView': NPCDieMapView,
        'NPCDieMapViewBroadcast': NPCDieMapViewBroadcast,
        'HeroDie': HeroDie,
        'BuyItem': BuyItem,
        'RemoveItem': RemoveItem,
        'SwapItem': SwapItem,
        'UseItem': UseItem
    }
    
    if packet_type not in packet_classes:
        raise ValueError(f"Unknown packet type: {packet_type}")
    
    return packet_classes[packet_type](**data)