"""
平台API Key路由

提供平台API Key管理的RESTful API端点
需求: 7.1, 7.6
"""
from typing import List
from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session

from app.database import get_db
from app.dependencies.auth import get_current_user
from app.models.user import User
from app.services.platform_api_key_service import PlatformApiKeyService
from app.schemas.platform_api_key import (
    ApiKeyCreate,
    ApiKeyResponse,
    ApiKeyCreateResponse,
    ApiKeyStatusUpdate
)
from app.schemas.model_schema import ApiResponse

router = APIRouter(prefix="/api/platform/api-keys", tags=["平台API Key"])


@router.post("", response_model=ApiResponse[ApiKeyCreateResponse], summary="创建API Key", description="创建新的API Key用于调用OpenAI兼容接口。每个用户最多5个有效密钥。")
def create_api_key(
    request: ApiKeyCreate,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    创建API Key
    
    - **name**: 备注名称（可选）
    - **key_type**: 密钥类型，public（访问云端模型）或local（访问本地模型）
    
    返回完整的API Key（仅此一次显示，请妥善保存）
    
    需求 7.1: 用户可以创建新的API Key
    需求 7.2: 创建时显示完整密钥（仅此一次）
    需求 7.4: 每用户最多5个有效API Key
    新增: 支持设置密钥类型
    """
    service = PlatformApiKeyService(db)
    result = service.create_api_key(current_user.id, request.name, request.key_type)
    return ApiResponse(code=200, message="success", data=ApiKeyCreateResponse(**result))


@router.get("", response_model=ApiResponse[List[ApiKeyResponse]], summary="获取API Key列表", description="获取当前用户的所有API Key列表（密钥已脱敏）。")
def get_api_keys(
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    获取API Key列表
    
    返回当前用户的所有API Key，密钥已脱敏显示（如sk-aigc-xxxx...xxxx）
    
    需求 7.3: 列表中显示脱敏后的API Key
    """
    service = PlatformApiKeyService(db)
    keys = service.get_user_api_keys(current_user.id)
    return ApiResponse(
        code=200,
        message="success",
        data=[ApiKeyResponse.model_validate(k) for k in keys]
    )


@router.put("/{key_id}", response_model=ApiResponse[ApiKeyResponse], summary="更新API Key状态", description="启用或禁用指定的API Key。")
async def update_api_key_status(
    key_id: int,
    request: ApiKeyStatusUpdate,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    更新API Key状态
    
    - **key_id**: API Key的ID
    - **status**: 新状态，active（启用）或disabled（禁用）
    
    需求 7.5: 支持禁用/启用API Key
    """
    service = PlatformApiKeyService(db)
    key = service.update_api_key_status(key_id, current_user.id, request.status)
    
    # 异步删除缓存
    try:
        from app.services.cache_service import CacheService
        await CacheService.delete_api_key(key_id)
    except Exception as e:
        # 缓存删除失败不影响主流程
        print(f"删除缓存失败: {e}")
    
    return ApiResponse(code=200, message="success", data=ApiKeyResponse.model_validate(key))


@router.delete("/{key_id}", response_model=ApiResponse[dict], summary="删除API Key", description="永久删除指定的API Key。")
async def delete_api_key(
    key_id: int,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    删除API Key
    
    - **key_id**: 要删除的API Key的ID
    
    需求 7.6: 支持删除API Key
    """
    service = PlatformApiKeyService(db)
    success = service.delete_api_key(key_id, current_user.id)
    
    # 异步删除缓存
    try:
        from app.services.cache_service import CacheService
        await CacheService.delete_api_key(key_id)
    except Exception as e:
        # 缓存删除失败不影响主流程
        print(f"删除缓存失败: {e}")
    
    return ApiResponse(code=200, message="success", data={"success": True})