package rest

import (
	"net/http"

	"github.com/eyebluecn/tank/code/core"
	"github.com/eyebluecn/tank/code/tool/result"
	"github.com/eyebluecn/tank/code/tool/util"
)

type BaseBean struct {
	logger core.Logger
}

func (this *BaseBean) Init() {
	this.logger = core.LOGGER
}

func (this *BaseBean) Bootstrap() {

}

// clean up the application.
func (this *BaseBean) Cleanup() {

}

// shortcut for panic check.
func (this *BaseBean) PanicError(err error) {
	core.PanicError(err)
}

// find the current user from request.
func (this *BaseBean) findUser(request *http.Request) *User {

	sessionId := request.FormValue("access_token") //支持私有文件预览，优先获取access_token
	if sessionId == "" {
		//try to find from SessionCache.
		sessionId = util.GetSessionUuidFromRequest(request, core.COOKIE_AUTH_KEY)
		if sessionId == "" {
			return nil
		}
	}

	cacheItem, err := core.CONTEXT.GetSessionCache().Value(sessionId)
	if err != nil {
		this.logger.Warn("error while get from session cache. sessionId = %s, error = %v", sessionId, err)
		return nil
	}

	if cacheItem == nil || cacheItem.Data() == nil {

		this.logger.Warn("cache item doesn't exist with sessionId = %s", sessionId)
		return nil
	}

	if value, ok := cacheItem.Data().(*User); ok {
		return value
	} else {
		this.logger.Error("cache item not store the *User")
	}

	return nil

}

// find current error. If not found, panic the LOGIN error.
func (this *BaseBean) checkUser(request *http.Request) *User {
	_user := this.findUser(request)
	if _user == nil {
		panic(result.LOGIN)
	}
	return _user
}