"""
脚本管理模块

管理 Tavern Helper 的脚本，支持三种作用域：
- GLOBAL: 全局脚本，对所有聊天可用
- CHARACTER: 角色脚本，绑定到当前角色卡
- PRESET: 预设脚本，绑定到当前预设

每个脚本包含：
- 脚本名称
- 脚本内容（JavaScript 代码）
- 作者备注
- 变量列表（绑定到脚本的变量）
- 按钮配置（配合 getButtonEvent 使用）
- 启用状态
"""
from enum import Enum
from typing import List, Optional, Dict, Any
from pydantic import BaseModel, Field
from datetime import datetime
import uuid


class ScriptScope(str, Enum):
    """脚本作用域"""
    GLOBAL = 'global'          # 全局脚本
    CHARACTER = 'character'    # 角色脚本
    PRESET = 'preset'          # 预设脚本


class ScriptVariable(BaseModel):
    """脚本变量"""
    name: str = Field(..., description="变量名")
    value: Any = Field(..., description="变量值")
    description: Optional[str] = Field(None, description="变量描述")


class ScriptButton(BaseModel):
    """脚本按钮配置"""
    label: str = Field(..., description="按钮显示文本")
    event: str = Field(..., description="按钮事件名称（配合 getButtonEvent 使用）")
    enabled: bool = Field(True, description="是否启用")


class ScriptItem(BaseModel):
    """脚本项"""
    id: str = Field(default_factory=lambda: str(uuid.uuid4()), description="脚本唯一标识符")
    name: str = Field(..., description="脚本名称")
    content: str = Field(..., description="脚本内容（JavaScript 代码）")
    authorNote: Optional[str] = Field(None, description="作者备注")
    
    # 变量列表
    variables: List[ScriptVariable] = Field(default_factory=list, description="绑定到脚本的变量")
    
    # 按钮配置
    buttons: List[ScriptButton] = Field(default_factory=list, description="按钮配置")
    
    # 作用域
    scope: ScriptScope = Field(ScriptScope.GLOBAL, description="脚本作用域")
    characterName: Optional[str] = Field(None, description="绑定的角色卡名称")
    presetName: Optional[str] = Field(None, description="绑定的预设名称")
    
    # 启用状态
    enabled: bool = Field(True, description="是否启用")
    
    # 元数据
    createdAt: int = Field(default_factory=lambda: int(datetime.now().timestamp()), description="创建时间戳")
    updatedAt: int = Field(default_factory=lambda: int(datetime.now().timestamp()), description="更新时间戳")
    order: int = Field(0, description="执行顺序")


class ScriptManager:
    """脚本管理器"""
    
    def __init__(self):
        self.scripts: List[ScriptItem] = []
        
    def add_script(self, script: ScriptItem):
        """添加脚本"""
        self.scripts.append(script)
        
    def remove_script(self, script_id: str) -> bool:
        """删除脚本"""
        for i, script in enumerate(self.scripts):
            if script.id == script_id:
                self.scripts.pop(i)
                return True
        return False
        
    def update_script(self, script_id: str, updates: Dict[str, Any]) -> bool:
        """更新脚本"""
        for script in self.scripts:
            if script.id == script_id:
                for key, value in updates.items():
                    if hasattr(script, key):
                        setattr(script, key, value)
                script.updatedAt = int(datetime.now().timestamp())
                return True
        return False
        
    def get_scripts_by_scope(self, scope: ScriptScope, filter_name: Optional[str] = None) -> List[ScriptItem]:
        """按作用域获取脚本"""
        scripts = [s for s in self.scripts if s.scope == scope]
        
        if filter_name:
            scripts = [s for s in scripts if filter_name.lower() in s.name.lower()]
            
        return sorted(scripts, key=lambda s: s.order)
        
    def get_enabled_scripts(self, scope: ScriptScope) -> List[ScriptItem]:
        """获取启用的脚本"""
        return [s for s in self.scripts if s.scope == scope and s.enabled]
        
    def get_script(self, script_id: str) -> Optional[ScriptItem]:
        """获取单个脚本"""
        for script in self.scripts:
            if script.id == script_id:
                return script
        return None
        
    def toggle_script(self, script_id: str) -> bool:
        """切换脚本启用状态"""
        for script in self.scripts:
            if script.id == script_id:
                script.enabled = not script.enabled
                script.updatedAt = int(datetime.now().timestamp())
                return True
        return False
        
    def get_all_scripts(self) -> List[ScriptItem]:
        """获取所有脚本"""
        return self.scripts
        
    def export_scripts(self, scope: Optional[ScriptScope] = None) -> List[Dict]:
        """导出脚本"""
        if scope:
            scripts = [s for s in self.scripts if s.scope == scope]
        else:
            scripts = self.scripts
            
        return [s.dict() for s in scripts]
        
    def import_scripts(self, scripts_data: List[Dict], scope: ScriptScope) -> int:
        """导入脚本"""
        count = 0
        for data in scripts_data:
            try:
                script = ScriptItem(**data)
                script.scope = scope
                self.scripts.append(script)
                count += 1
            except Exception as e:
                print(f"导入脚本失败: {e}")
                
        return count


# 全局脚本管理器实例
script_manager = ScriptManager()


if __name__ == '__main__':
    import json
    
    # 测试脚本管理
    manager = ScriptManager()
    
    # 添加测试脚本
    script1 = ScriptItem(
        name="【骰子系统】-自动更新",
        content="async function getLatestVersion() {\n  try {\n    const response = await fetch('/api/version');\n    return await response.json();\n  } catch (e) {\n    return null;\n  }\n}",
        authorNote="感谢a佬开源\n以九颜二改为基础进行三改\n@kousakayou",
        scope=ScriptScope.GLOBAL,
        variables=[
            ScriptVariable(name="version", value="4.8.4", description="版本号")
        ],
        buttons=[
            ScriptButton(label="检查更新", event="checkUpdate", enabled=True)
        ]
    )
    
    manager.add_script(script1)
    
    # 导出测试
    print("=== 导出脚本 ===")
    exported = manager.export_scripts()
    print(json.dumps(exported, indent=2, ensure_ascii=False))
    
    print("\n✅ 脚本管理测试完成！")