import asyncio
import json
from pathlib import Path
from typing import Any, Dict, List, Optional, Set

try:
    from config import (
        OUTPUT_FORMATS, DATA_DIR, PROMPTS_DIR, NEED_CONFIRMATION,
        MAX_TERMINALS, TERMINAL_BUFFER_SIZE, TERMINAL_DISPLAY_SIZE,
        MAX_READ_FILE_CHARS, READ_TOOL_DEFAULT_MAX_CHARS,
        READ_TOOL_DEFAULT_CONTEXT_BEFORE, READ_TOOL_DEFAULT_CONTEXT_AFTER,
        READ_TOOL_MAX_CONTEXT_BEFORE, READ_TOOL_MAX_CONTEXT_AFTER,
        READ_TOOL_DEFAULT_MAX_MATCHES, READ_TOOL_MAX_MATCHES,
        READ_TOOL_MAX_FILE_SIZE,
        TERMINAL_SANDBOX_MOUNT_PATH,
        TERMINAL_SANDBOX_MODE,
        TERMINAL_SANDBOX_CPUS,
        TERMINAL_SANDBOX_MEMORY,
        PROJECT_MAX_STORAGE_MB,
        CUSTOM_TOOLS_ENABLED,
    )
except ImportError:
    import sys
    project_root = Path(__file__).resolve().parents[2]
    if str(project_root) not in sys.path:
        sys.path.insert(0, str(project_root))
    from config import (
        OUTPUT_FORMATS, DATA_DIR, PROMPTS_DIR, NEED_CONFIRMATION,
        MAX_TERMINALS, TERMINAL_BUFFER_SIZE, TERMINAL_DISPLAY_SIZE,
        MAX_READ_FILE_CHARS, READ_TOOL_DEFAULT_MAX_CHARS,
        READ_TOOL_DEFAULT_CONTEXT_BEFORE, READ_TOOL_DEFAULT_CONTEXT_AFTER,
        READ_TOOL_MAX_CONTEXT_BEFORE, READ_TOOL_MAX_CONTEXT_AFTER,
        READ_TOOL_DEFAULT_MAX_MATCHES, READ_TOOL_MAX_MATCHES,
        READ_TOOL_MAX_FILE_SIZE,
        TERMINAL_SANDBOX_MOUNT_PATH,
        TERMINAL_SANDBOX_MODE,
        TERMINAL_SANDBOX_CPUS,
        TERMINAL_SANDBOX_MEMORY,
        PROJECT_MAX_STORAGE_MB,
        CUSTOM_TOOLS_ENABLED,
    )

from modules.file_manager import FileManager
from modules.search_engine import SearchEngine
from modules.terminal_ops import TerminalOperator
from modules.memory_manager import MemoryManager
from modules.terminal_manager import TerminalManager
from modules.todo_manager import TodoManager
from modules.sub_agent import SubAgentManager
from modules.webpage_extractor import extract_webpage_content, tavily_extract
from modules.ocr_client import OCRClient
from modules.easter_egg_manager import EasterEggManager
from modules.personalization_manager import (
    load_personalization_config,
    build_personalization_prompt,
    RECENT_CONVERSATIONS_PROMPT_LIMIT_MIN,
    RECENT_CONVERSATIONS_PROMPT_LIMIT_MAX,
    RECENT_CONVERSATIONS_PROMPT_LIMIT_DEFAULT,
)
from modules.skills_manager import (
    get_skills_catalog,
    build_skills_list,
    merge_enabled_skills,
    build_skills_prompt,
    infer_private_skills_dir,
)
from modules.custom_tool_registry import CustomToolRegistry, build_default_tool_category
from modules.custom_tool_executor import CustomToolExecutor

try:
    from config.limits import THINKING_FAST_INTERVAL
except ImportError:
    THINKING_FAST_INTERVAL = 10

from modules.container_monitor import collect_stats, inspect_state
from core.tool_config import TOOL_CATEGORIES
from utils.api_client import DeepSeekClient
from utils.context_manager import ContextManager, AUTO_SHALLOW_PLACEHOLDER
from utils.host_workspace_debug import write_host_workspace_debug
from utils.tool_result_formatter import format_tool_result_for_context
from utils.logger import setup_logger
from config.model_profiles import (
    get_model_profile,
    get_model_prompt_replacements,
    get_model_context_window,
    model_supports_image,
    model_supports_video,
)

logger = setup_logger(__name__)
DISABLE_LENGTH_CHECK = True


class PromptMixin:
    """MainTerminalContextMixin prompt 能力 mixin。"""

    def _load_agents_md_content(self) -> Optional[str]:
        """加载工作区根目录的 AGENTS.md 文件内容。
        
        如果存在多个 AGENTS.md 文件，返回最新更新的那一个。
        """
        try:
            project_path = Path(self.project_path)
            if not project_path.exists():
                return None
            
            # 查找所有 AGENTS.md 文件
            agents_md_files = list(project_path.rglob("AGENTS.md"))
            if not agents_md_files:
                return None
            
            # 找到最新更新的文件
            latest_file = max(agents_md_files, key=lambda p: p.stat().st_mtime)
            
            # 读取文件内容
            content = latest_file.read_text(encoding='utf-8')
            return content.strip() if content else None
        except Exception as exc:
            logger.warning(f"[AGENTS.md] 读取失败: {exc}")
            return None

    def load_prompt(self, name: str) -> str:
            """加载提示模板"""
            prompt_file = Path(PROMPTS_DIR) / f"{name}.txt"
            if prompt_file.exists():
                with open(prompt_file, 'r', encoding='utf-8') as f:
                    return f.read()
            return "你是 Astrion，一个智能助手。"