import { json, type ActionFunctionArgs } from '@remix-run/node';
import { difyClient } from '../services/dify-client.server';
import { getSessionInfo, commitSession } from '../utils/session.server';

export async function action({ request, params }: ActionFunctionArgs) {
    try {
        // 获取用户会话信息和 JWT
        const { getUserSession } = await import("~/api/login/auth.server");
        const { frontendJWT } = await getUserSession(request);
        const { session } = await getSessionInfo(request);
        const { id } = params;

        if (!id) {
            return json({ error: '会话ID不能为空' }, { status: 400 });
        }

        // 检查 JWT 是否存在
        if (!frontendJWT) {
            console.error('❌ [API] Delete Conversation API - JWT不存在');
            return json(
                { error: 'JWT认证失败，请重新登录' },
                {
                    status: 401,
                    headers: {
                        'Set-Cookie': await commitSession(session),
                    },
                }
            );
        }

        const method = request.method;

        if (method === 'DELETE') {
            console.log('🗑️ [API] Delete Conversation API - 删除会话:', {
                id,
                hasJWT: !!frontendJWT
            });

            // 调用服务端API删除会话
            const data = await difyClient.deleteConversation(id, frontendJWT);

            console.log('✅ [API] Delete Conversation API - Success');

            return json(data, {
                headers: {
                    'Set-Cookie': await commitSession(session),
                },
            });
        }

        return json({ error: '不支持的请求方法' }, { status: 405 });
    } catch (error: any) {
        console.error('❌ [API] Delete Conversation API - Error:', error);

        // 检查是否是JWT认证失败
        const status = error.message?.includes('JWT认证失败') ? 401 : 500;

        return json(
            {
                error: error.message || '删除会话失败'
            },
            {
                status,
                headers: {
                    'Set-Cookie': await commitSession((await getSessionInfo(request)).session),
                },
            }
        );
    }
}