package v1

import (
	"fmt"
	"github.com/Xhofe/alist/alidrive"
	"github.com/Xhofe/alist/conf"
	"github.com/Xhofe/alist/server/controllers"
	"github.com/gin-gonic/gin"
	"github.com/patrickmn/go-cache"
	log "github.com/sirupsen/logrus"
)

// list request bean
type ListReq struct {
	Password string `json:"password"`
	alidrive.ListReq
}

// handle list request
func List(c *gin.Context) {
	var list ListReq
	if err := c.ShouldBindJSON(&list); err != nil {
		c.JSON(200, controllers.MetaResponse(400, "Bad Request"))
		return
	}
	log.Debugf("list:%+v", list)
	// cache
	cacheKey := fmt.Sprintf("%s-%s-%s", "l", list.ParentFileId, list.Password)
	if conf.Conf.Cache.Enable {
		files, exist := conf.Cache.Get(cacheKey)
		if exist {
			log.Debugf("使用了缓存:%s", cacheKey)
			c.JSON(200, controllers.DataResponse(files))
			return
		}
	}
	var (
		files *alidrive.Files
		err   error
	)
	if list.Limit == 0 {
		list.Limit = 50
	}
	if conf.Conf.AliDrive.MaxFilesCount != 0 {
		list.Limit = conf.Conf.AliDrive.MaxFilesCount
	}
	if list.ParentFileId == "root" {
		files, err = alidrive.GetRoot(list.Limit, list.Marker, list.OrderBy, list.OrderDirection)
	} else {
		files, err = alidrive.GetList(list.ParentFileId, list.Limit, list.Marker, list.OrderBy, list.OrderDirection)
	}
	if err != nil {
		c.JSON(200, controllers.MetaResponse(500, err.Error()))
		return
	}
	password := alidrive.HasPassword(files)
	if password != "" && password != list.Password {
		if list.Password == "" {
			c.JSON(200, controllers.MetaResponse(401, "need password."))
			return
		}
		c.JSON(200, controllers.MetaResponse(401, "wrong password."))
		return
	}
	paths, err := alidrive.GetPaths(list.ParentFileId)
	if err != nil {
		c.JSON(200, controllers.MetaResponse(500, err.Error()))
		return
	}
	files.Paths = *paths
	//files.Readme=alidrive.HasReadme(files)
	if conf.Conf.Cache.Enable {
		conf.Cache.Set(cacheKey, files, cache.DefaultExpiration)
	}
	c.JSON(200, controllers.DataResponse(files))
}