# #region AssistantToolLlm [C:2] [TYPE Module] [SEMANTICS assistant, tool, llm, providers, status]
# @defgroup AssistantApi Module group.
# @BRIEF Handlers for LLM operations — list providers and check LLM status.
# @LAYER API
# @RELATION DEPENDS_ON -> [AssistantToolRegistry]
# @RELATION DEPENDS_ON -> [LLMProviderService]

from __future__ import annotations

from typing import Any

from sqlalchemy.orm import Session

from src.core.config_manager import ConfigManager
from src.core.logger import belief_scope, logger
from src.core.task_manager import TaskManager
from src.schemas.auth import User
from src.services.llm_provider import LLMProviderService

from ._schemas import AssistantAction
from ._tool_registry import assistant_tool


# #region handle_list_llm_providers [C:2] [TYPE Function]
# @ingroup AssistantApi
@assistant_tool(
    operation="list_llm_providers",
    domain="llm",
    description="List configured LLM providers with their type, model, and active status",
    risk_level="safe",
    requires_confirmation=False,
)
@belief_scope("list_llm_providers")
async def handle_list_llm_providers(
    intent: dict[str, Any],
    current_user: User,
    task_manager: TaskManager,
    config_manager: ConfigManager,
    db: Session,
) -> tuple[str, str | None, list[AssistantAction]]:
    """List configured LLM providers."""
    service = LLMProviderService(db)
    providers = service.get_all_providers()

    if not providers:
        return ("LLM провайдеры не настроены.", None, [])

    lines = ["**🤖 LLM провайдеры:**"]
    for p in providers:
        icon = "🟢" if p.is_active else "⚪"
        model = p.default_model or "модель не указана"
        lines.append(
            f"{icon} **{p.name}** — {p.provider_type}"
            f"\n   └ Модель: {model}"
        )

    return (
        "\n".join(lines),
        None,
        [
            AssistantAction(
                type="open_route",
                label="Настройки LLM",
                target="/settings/llm",
            )
        ],
    )


# #endregion handle_list_llm_providers


# #region handle_get_llm_status [C:2] [TYPE Function]
# @ingroup AssistantApi
@assistant_tool(
    operation="get_llm_status",
    domain="llm",
    description="Check if LLM is configured and ready for dashboard validation and documentation",
    risk_level="safe",
    requires_confirmation=False,
)
@belief_scope("get_llm_status")
async def handle_get_llm_status(
    intent: dict[str, Any],
    current_user: User,
    task_manager: TaskManager,
    config_manager: ConfigManager,
    db: Session,
) -> tuple[str, str | None, list[AssistantAction]]:
    """Check LLM configuration and readiness status."""
    service = LLMProviderService(db)
    providers = service.get_all_providers()
    active_provider = next((p for p in providers if p.is_active), None)

    lines = ["**🤖 LLM Статус:**"]

    if not providers:
        lines.append("❌ Провайдеры не настроены.")
        return ("\n".join(lines), None, [])

    lines.append(f"📊 Всего провайдеров: {len(providers)}")
    lines.append(f"🟢 Активных: {len([p for p in providers if p.is_active])}")
    lines.append(f"⚪ Неактивных: {len([p for p in providers if not p.is_active])}")

    if active_provider:
        api_key = service.get_decrypted_api_key(active_provider.id)
        from src.api.routes.llm import _is_valid_runtime_api_key

        key_valid = _is_valid_runtime_api_key(api_key)
        lines.append(f"\n**Активный провайдер:** {active_provider.name}")
        lines.append(f"  └ Тип: {active_provider.provider_type}")
        lines.append(f"  └ Модель: {active_provider.default_model or 'не указана'}")
        lines.append(f"  └ API ключ: {'✅ валидный' if key_valid else '❌ невалидный/отсутствует'}")
        lines.append(f"  └ Статус: {'✅ готов' if key_valid else '❌ настроен не полностью'}")

    return (
        "\n".join(lines),
        None,
        [
            AssistantAction(
                type="open_route",
                label="Настройки LLM",
                target="/settings/llm",
            )
        ],
    )


# #endregion handle_get_llm_status
# #endregion AssistantToolLlm