// Copyright 2017 utimes.cc. All rights reserved.
// Use of this source code is governed by utimes.cc.

package action

import (
	"gd_admin/apis"
	"gd_admin/consts"
	"gd_admin/errors"
	"encoding/json"
	"fmt"

	"gd_admin/common.in/jsonrpc2"
	"github.com/astaxie/beego/orm"
	"go.uber.org/zap"

	"golang.org/x/net/context"
)

// getSql 获取查询sql
func getSql(req *apis.GetLogReq) (string, string) {
	sql := "SELECT a.id, admin_name as user, a.modules, a.func, a.name, a.before, a.after, a.created_at FROM t_gd_admin_action_log a INNER JOIN t_gd_admin b ON a.uid = b.id"
	countSql := "SELECT count(*) as total FROM t_gd_admin_action_log a INNER JOIN t_gd_admin b ON a.uid = b.id"

	if req.Search != "" {
		sql += " WHERE after LIKE '%" + req.Search + "%'"
		countSql += " WHERE after LIKE '%" + req.Search + "%'"
	}

	// 计算分页
	var (
		pageSize = consts.PageSize
		start    int
	)

	if req.PageSize != 0 {
		pageSize = req.PageSize
	}

	if req.PageNum <= 1 {
		start = 0
	} else {
		start = (req.PageNum - 1) * pageSize
	}

	sql = fmt.Sprintf("%s ORDER BY a.created_at DESC LIMIT %d, %d", sql, start, pageSize)

	return sql, countSql
}

// Log 获取用户行为日志
func Log(ctx context.Context, req *apis.GetLogReq, reply *apis.GetLogReply) (err error) {
	// 捕获各个task中的异常并返回给调用者
	defer func() {
		if r := recover(); r != nil {
			err := fmt.Errorf("%+v", r)
			e := &jsonrpc2.Error{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				l.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()

	sql, countSql := getSql(req)

	err = orm.NewOrm().Raw(countSql).QueryRow(&reply.Total)
	if err != nil {
		l.Error("mysql",
			zap.String("sql", countSql),
			zap.String("fields", ""),
			zap.String("error", err.Error()))
		return errors.DataBaseError
	}

	reply.List = make([]apis.LogList, 0)
	if reply.Total > 0 {
		_, err = orm.NewOrm().Raw(sql).QueryRows(&reply.List)
		if err != nil {
			l.Error("mysql",
				zap.String("sql", sql),
				zap.String("fields", ""),
				zap.String("error", err.Error()))
			return errors.DataBaseError
		}
	}
	return nil
}