"""
===============================================================================
FILE: modules/web_api/llm/db_tools.py
PROJECT: SCUD Orion AI (Unified Architecture)
MODULE: web_api / llm
ROLE: Фасадная точка доступа к доменным сервисам (Domain Facade).

AI-CONTEXT-ANCHORS:
  - ANCHOR[FACADE_EXPORTS]: Экспорт методов предметных сервисов для LLM и API.
===============================================================================
"""

# ANCHOR[FACADE_EXPORTS]
from typing import Optional, List, Dict, Any
from core.connection import DB_PATH, get_connection as get_db_connection

# Домен: Задачи
from services.tasks.service import (
    get_tasks as db_get_tasks,
    add_task as db_add_task,
    update_task_details as db_update_task_details,
    delete_task as db_delete_task,
    execute_task_action as db_tasks_edit
)
# Защитный алиас для обратной совместимости
db_update_task_status = db_update_task_details

from services.tasks.exporter import export_tasks_to_markdown as db_export_tasks_markdown
from services.tasks.repository import normalize_task_id

# Домен: Системный промпт
from services.prompts.service import (
    get_active_system_prompt as db_get_active_system_prompt,
    apply_prompt_action as db_apply_prompt_node_action,
    save_full_prompt_draft,
    create_prompt_preview
)

# Домен: База знаний
from services.knowledge.service import (
    get_rules as db_get_rules,
    add_rule as db_add_rule
)

# Чат, сессии, статистика
from .db.db_chat import (
    db_save_chat_message,
    db_get_chat_history,
    db_purge_ephemeral_messages,
    db_clear_chat_history
)
from .db.db_prompts import (
    db_get_tool_action,
    db_set_session_state,
    db_get_session_state,
    db_clear_session_state,
    db_get_stats,
    db_get_anomalies,
    db_get_reference
)
from .core.calendar_utils import get_dynamic_calendar_context as db_get_current_server_time


def db_add_system_prompt(name_or_text: str, draft_text: str = None) -> None:
    """Совместимая обертка для сохранения системного промпта."""
    if draft_text is not None:
        save_full_prompt_draft(draft_text, prompt_name=name_or_text)
    else:
        save_full_prompt_draft(name_or_text, prompt_name="main_agent")


def db_get_snapshots(session_id: str = "web_session_main", date_str: str = None, original_user_message: str = "") -> Dict[str, Any]:
    """Совместимый фасад выборки снапшотов с сохранением стейта сессии."""
    from services.snapshots.service import get_snapshots_registry
    from .core.calendar_utils import parse_relative_date_ru

    clean_date = (date_str or "").strip()
    if not clean_date and original_user_message:
        clean_date = parse_relative_date_ru(original_user_message)

    res = get_snapshots_registry(date_str=clean_date if clean_date else None)
    db_set_session_state(session_id=session_id, state_type="SNAPSHOTS_VIEW", data=res)
    return res


def db_delete_snapshots(snapshot_id: str = None, snapshot_ids: List[str] = None, day_str: str = None) -> Dict[str, Any]:
    """Совместимый фасад безопасного удаления снапшотов."""
    from services.snapshots.service import delete_snapshots_safely
    
    target_ids = []
    if snapshot_ids:
        target_ids.extend(snapshot_ids)
    if snapshot_id:
        if isinstance(snapshot_id, str) and "," in snapshot_id:
            target_ids.extend([s.strip() for s in snapshot_id.split(",")])
        else:
            target_ids.append(snapshot_id)

    return delete_snapshots_safely(snapshot_ids=target_ids)