package auth

import (
	"context"
	"gd_admin/apis"
	"gd_admin/common.in/storage"
	"gd_admin/common.in/utils"
	"gd_admin/errors"
	"gd_admin/thirdparty/oss"
	"fmt"
	"github.com/astaxie/beego/orm"
	"go.uber.org/zap"
)

func AuthGetOSSInfo(ctx context.Context, req *apis.AuthGetOSSInfoReq, reply *apis.AuthGetOSSInfoReply) (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)
		}
	}()

	// 参数检查
	if req.Uid == 0 {
		l.Error("argument",
			zap.String("call", "check"),
			zap.String("fields", utils.MarshalJsonString(req)))
		return errors.ArgsError
	}

	// 检查用户是否合法
	checkUserBaseTask := func(db orm.Ormer) error {
		var admin_name string
		sql := fmt.Sprintf("select admin_name from t_gd_admin where id = %d ", req.Uid)
		if err = db.Raw(sql).QueryRow(&admin_name); err != nil {
			l.Error("mysql",
				zap.String("sql", sql),
				zap.String("error", err.Error()))
			if err == orm.ErrNoRows {
				return errors.AdminNotExist
			} else {
				return errors.DataBaseError
			}
		}

		return nil
	}

	// 更新用户基本信息状态
	getOSSInfoTask := func(db orm.Ormer) error {
		if resp, err := oss.AssumeRole(ctx); err != nil {
			l.Error("thirdparty",
				zap.String("call", "oss.AssumeRole"),
				zap.String("params", utils.MarshalJsonString(req)),
				zap.String("error", err.Error()))
			return errors.VendorError
		} else {
			reply.AccessKeyId = resp.Credentials.AccessKeyId
			reply.AccessKeySecret = resp.Credentials.AccessKeySecret
			reply.SecurityToken = resp.Credentials.SecurityToken
			reply.Expiration = resp.Credentials.Expiration.Unix()
		}

		return nil
	}

	// 这里使用事务处理
	tasks := []storage.DbaTasker{}
	tasks = append(tasks, storage.GenerateDbaTask(checkUserBaseTask))
	tasks = append(tasks, storage.GenerateDbaTask(getOSSInfoTask))
	storage.ExecTrans(tasks...)

	return nil
}