import * as path from 'path';

import {Directory} from "../../../common/entities/Directory";
import {IGalleryManager} from "../IGalleryManager";
import {DiskManager} from "../DiskManger";
import {Utils} from "../../../common/Utils";
import {DirectoryModel} from "./entities/DirectoryModel";
import {PhotoModel} from "./entities/PhotoModel";

export class MongoGalleryManager implements IGalleryManager{

    constructor(){
    }

    public listDirectory(relativeDirectoryName, cb:(error: any,result:Directory) => void){
        let directoryName = path.basename(relativeDirectoryName);
        let directoryParent = path.join( path.dirname(relativeDirectoryName),"/");

        DirectoryModel.findOne({name:directoryName, path: directoryParent}).populate('photos').populate('directories').exec( (err,res) =>{
            if(err || !res){
                return  this.indexDirectory(relativeDirectoryName,cb);
            }
            return cb(err, res);
        });

    }

    public indexDirectory(relativeDirectoryName, cb:(error: any,result:Directory) => void){
        DiskManager.scanDirectory(relativeDirectoryName,(err,scannedDirectory)=>{
            let arr = [];
            scannedDirectory.directories.forEach((value) => {
                let dir = new DirectoryModel(value);
                Utils.setKeys(dir,value);
                dir.save();
                arr.push(dir);
            });
            scannedDirectory.directories = arr;
            arr = [];
            scannedDirectory.photos.forEach((value) => {
                let p = new PhotoModel(value);
                Utils.setKeys(p,value);
                p.save();
                arr.push(p);
            });

            scannedDirectory.photos = arr;
            DirectoryModel.create(scannedDirectory,(err)=>{
                return cb(err,scannedDirectory);
            });

        });
    }



}