from __future__ import annotations
from pydantic import BaseModel, Field
from typing import List, Dict, Optional
from enum import Enum


class Emotion(str, Enum):
    CALM = "calm"
    HAPPY = "happy"
    ANXIOUS = "anxious"


class Weather(str, Enum):
    SUNNY = "sunny"
    RAINY = "rainy"


class GlobalMeter(BaseModel):
    """全体能量条"""
    value: int = 0
    threshold: int = 100
    cooldown: int = 0


class WorldEffect(BaseModel):
    """持续影响效果"""
    type: str
    name: str
    intensity: int = 1
    remaining_ticks: int = 5
    mood_modifier: int = 0


class Opinion(BaseModel):
    """角色对事件的观点"""
    about: str  # 事件类型 (effect_type)
    text: str   # 观点内容
    tick: int   # 生成时的 tick


class Stance(BaseModel):
    """角色立场"""
    optimism: float = Field(default=0.5, ge=0.0, le=1.0)
    fear: float = Field(default=0.5, ge=0.0, le=1.0)


class FactionData(BaseModel):
    """单个派系的数据"""
    power: int = 0
    threshold: int = 10
    skill: str = ""
    members: List[str] = Field(default_factory=list)


class Factions(BaseModel):
    """派系分布（带 power 和 members）"""
    optimists: FactionData = Field(default_factory=FactionData)
    fearful: FactionData = Field(default_factory=FactionData)


class FactionEventResult(BaseModel):
    """阵营事件触发结果"""
    type: Optional[str] = None  # "festival" | "panic" | None
    source_faction: Optional[str] = None  # "optimists" | "fearful"


class StoryArc(BaseModel):
    """剧情线"""
    progress: float = Field(default=0.0, ge=0.0, le=1.0)
    threshold: float = 1.0
    active: bool = True
    stage: int = 1  # 当前阶段
    description: str = ""


class StoryEventResult(BaseModel):
    """剧情事件触发结果"""
    triggered: bool = False
    arc_id: Optional[str] = None
    event_name: Optional[str] = None
    description: Optional[str] = None


class AgentState(BaseModel):
    emotion: Emotion = Emotion.CALM
    goal: str = ""
    memory: List[str] = Field(default_factory=list)
    opinion: Optional[Opinion] = None
    # 记录已评论过的事件，防止重复生成
    commented_effects: List[str] = Field(default_factory=list)
    # 角色立场
    stance: Stance = Field(default_factory=Stance)
    # 所属阵营
    faction: str = "neutral"  # "optimists" | "fearful" | "neutral"


class WorldState(BaseModel):
    tick: int = 0
    weather: Weather = Weather.SUNNY
    town_mood: int = Field(default=0, ge=-10, le=10)
    agents: Dict[str, AgentState] = Field(default_factory=dict)
    events: List[str] = Field(default_factory=list)
    global_meter: GlobalMeter = Field(default_factory=GlobalMeter)
    world_effects: List[WorldEffect] = Field(default_factory=list)
    factions: Factions = Field(default_factory=Factions)
    story_arcs: Dict[str, StoryArc] = Field(default_factory=dict)


class Event(BaseModel):
    type: str
    text: str
    user: str
    ts: float


class StepRequest(BaseModel):
    events: List[Event] = Field(default_factory=list)


class Action(BaseModel):
    agent_id: str
    say: str
    do: str


class GlobalEventInfo(BaseModel):
    """世界级事件信息"""
    name: str
    description: str


class GlobalEventResult(BaseModel):
    """世界级事件触发结果"""
    triggered: bool = False
    event: Optional[GlobalEventInfo] = None


class StepResponse(BaseModel):
    world_state: WorldState
    actions: List[Action]
    global_event: GlobalEventResult = Field(default_factory=GlobalEventResult)
    triggered_faction_event: FactionEventResult = Field(default_factory=FactionEventResult)
    story_event: StoryEventResult = Field(default_factory=StoryEventResult)