"""查询历史和快捷查询 API — 人性化查询管理。"""
from typing import Optional
from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.ext.asyncio import AsyncSession

from app.core.database import get_db
from app.core.security import get_current_user
from app.models.user import User
from app.services.query_history_service import QueryHistoryService

router = APIRouter(prefix="/query-history", tags=["查询历史"])


@router.get("/my")
async def my_query_history(
    db_type: Optional[str] = None,
    instance_id: Optional[int] = None,
    keyword: Optional[str] = None,
    page: int = 1,
    page_size: int = 20,
    current_user: User = Depends(get_current_user),
):
    """获取我的查询历史。

    自动记录每次查询，支持按数据库类型、实例、关键词筛选。
    """
    return await QueryHistoryService.get_history(
        user_id=current_user.id,
        db_type=db_type,
        instance_id=instance_id,
        keyword=keyword,
        page=page,
        page_size=page_size,
    )


@router.post("/{history_id}/favorite")
async def toggle_favorite(
    history_id: int,
    current_user: User = Depends(get_current_user),
):
    """切换查询历史收藏状态。"""
    is_fav = await QueryHistoryService.toggle_favorite(current_user.id, history_id)
    return {"is_favorite": is_fav, "message": "已收藏" if is_fav else "已取消收藏"}


@router.get("/favorites")
async def my_favorites(
    page: int = 1,
    page_size: int = 20,
    current_user: User = Depends(get_current_user),
):
    """获取我收藏的查询。"""
    return await QueryHistoryService.get_favorites(
        user_id=current_user.id, page=page, page_size=page_size
    )


@router.get("/statistics")
async def my_query_statistics(
    current_user: User = Depends(get_current_user),
):
    """获取我的查询统计 — 了解自己的数据使用习惯。"""
    return await QueryHistoryService.get_query_statistics(user_id=current_user.id)


# ── 快捷查询 ──

@router.get("/quick-queries")
async def list_quick_queries(
    db_type: Optional[str] = None,
    keyword: Optional[str] = None,
    current_user: User = Depends(get_current_user),
):
    """获取快捷查询列表（个人+团队共享）。"""
    items = await QueryHistoryService.get_quick_queries(
        user_id=current_user.id, db_type=db_type, keyword=keyword
    )
    return {"items": items, "total": len(items)}


@router.post("/quick-queries")
async def create_quick_query(
    name: str,
    query_content: str,
    db_type: str,
    description: str = "",
    database_pattern: str = "*",
    is_shared: bool = False,
    current_user: User = Depends(get_current_user),
):
    """创建快捷查询。"""
    qq = await QueryHistoryService.create_quick_query(
        name=name,
        description=description,
        query_content=query_content,
        db_type=db_type,
        database_pattern=database_pattern,
        is_shared=is_shared,
        created_by=current_user.id,
        created_by_name=current_user.display_name or current_user.username,
    )
    return {"id": qq.id, "name": qq.name, "message": "快捷查询已创建"}