const { addActivityLogJob } = require('../queue');

exports.activityLogger = (defaultAction) => {
    return (req, res, next) => {
        res.on('finish', () => {
            if (res.statusCode >= 200 && res.statusCode < 300) {
                try {
                    const params = req.body?.params || {};
                    
                    const projectId = params.projectId || req.baseUrl.split('/')[1] || '-';
                    const activity = params.activity || defaultAction || '-';
                    
                    let userId = 'system';
                    if (params.userInfoString) {
                        try {
                            const userInfo = JSON.parse(params.userInfoString);
                            userId = userInfo.user_id || 'system';
                        } catch (e) {}
                    } else if (req.user?.user_id) {
                        userId = req.user.user_id;
                    }

                    const userIp = req.ip || req.headers['x-forwarded-for'] || req.socket.remoteAddress;
                    
                    let targetPath = '-';
                    if (params.resourcePath) {
                        targetPath = params.resourcePath;
                    } else if (Array.isArray(params.resourcePathArr) && params.resourcePathArr.length > 0) {
                        targetPath = params.resourcePathArr[0];
                    } else if (Array.isArray(params.fromPathArr) && params.fromPathArr.length > 0) {
                        targetPath = params.fromPathArr[0];
                    }

                    let dataId = null;
                    if (params.dataId) {
                        dataId = params.dataId;
                    } else if (Array.isArray(params.dataIdArr) && params.dataIdArr.length > 0) {
                        dataId = params.dataIdArr[0];
                    }

                    const logData = {
                        projectId,
                        activity,
                        userId,
                        userIp,
                        targetPath,
                        status: 'SUCCESS',
                        logDate: new Date(),
                        metaData: {
                            method: req.method,
                            url: req.originalUrl,
                            dataIdArr: params.dataIdArr || (dataId ? [dataId] : []),
                            dataType: params.dataType || '-',
                            newName: params.newName || '-',
                            oldName: params.oldName || '-'
                        }
                    };

                    addActivityLogJob(logData).catch(err => {
                        console.error("[ActivityLogger Middleware] Queue Error:", err);
                    });

                } catch (err) {
                    console.error("[ActivityLogger Middleware] Intercept Error:", err);
                }
            }
        });
        next();
    };
};