"""用户路由"""

from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.ext.asyncio import AsyncSession

from app.dependencies import get_db, get_current_user
from app.models.user import User
from app.schemas.user import (
    UserRead, UserProfile, UserUpdate, UserSearchResult,
    PasswordChange, EmailChange,
)
from app.services.user_service import UserService

router = APIRouter()


@router.get("/me", response_model=UserRead)
async def get_me(user: User = Depends(get_current_user)):
    """获取当前用户信息"""
    return user


@router.put("/me", response_model=UserRead)
async def update_me(
    req: UserUpdate,
    user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """更新当前用户信息"""
    service = UserService(db)
    updated = await service.update_profile(user.id, **req.model_dump(exclude_none=True))
    return updated


@router.put("/me/password")
async def change_password(
    req: PasswordChange,
    user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """修改密码"""
    service = UserService(db)
    try:
        await service.change_password(user.id, req.old_password, req.new_password)
        return {"success": True, "message": "密码修改成功"}
    except ValueError as e:
        raise HTTPException(status_code=400, detail=str(e))


@router.put("/me/email")
async def change_email(
    req: EmailChange,
    user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """更换绑定邮箱"""
    service = UserService(db)
    try:
        await service.change_email(user.id, req.email, req.password)
        return {"success": True, "message": "邮箱已更新"}
    except ValueError as e:
        raise HTTPException(status_code=400, detail=str(e))


@router.get("/search", response_model=list[UserSearchResult])
async def search_users(
    q: str = Query(..., min_length=1),
    user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """搜索用户"""
    service = UserService(db)
    users = await service.search_users(q, user.id)
    return users


@router.get("/{user_id}", response_model=UserProfile)
async def get_user(
    user_id: str,
    db: AsyncSession = Depends(get_db),
):
    """获取用户公开信息"""
    service = UserService(db)
    user = await service.get_by_id(user_id)
    if not user:
        raise HTTPException(status_code=404, detail="用户不存在")
    return user