var DataSavable = require("./SavableData");
var Project = require("./Project");
var E = require("./Errors");
var utils = require('./utils');
var global = require("./global");
var fs = require("fs");

module.exports = class User extends DataSavable{
    constructor(name, password)
    {
      super();
      this.name="";
      this.password="";
      this.groups={ user: true };
      this.projects={}; // { name= path}
      if(name!=undefined) this.name=name;
      if(password!=undefined) this.password=password;

    }

    getProject(projectName)
    {
      var project = new Project();
      return  project.load(this.name, projectName);
    }

    save()
    {
      fs.writeFileSync(global.pathToUserFile(this.name), this.toString());
    }

    load(name)
    {
      if( name!=undefined ) this.path=global.pathToUserFile(name);
      var obj = JSON.parse(fs.readFileSync(this.path));
      if(obj!=null) Object.assign(this, obj);
      return this;
    }




    createProject(project)
    {
      var old = this.getProject(project);
      if(E.check(old))
        return E.PROJECT_EXISTS;

      utils.mkdir(global.pathToProjectDir(this.name, project));
      utils.mkdir(global.pathToResourceDir(this.name, project));
      var p = new Project();
      p.name=project;
      p.save(global.pathToProjectFile(this.name, project));
      this.projects[project] = true;

      this.save();
      return E.SUCCESS;
    }

    renameProject(oldName, newName)
    {

      var n = this.getProject(oldName);
      n.name=newName;

      var oldPath = global.pathToProjectDir(this.name, oldName);
      var newPath = global.pathToProjectDir(this.name, newName);
      try {
        utils.mv(oldPath, newPath);
      } catch (e) {
        return E.UNKNWON;
      } finally {
      }

      delete this.projects[oldName];
      this.projects[newName] = true;

      n.save(global.pathToProjectFile(this.name, newName));
      this.save();


      return E.SUCCESS;
    }

    removeProject(project)
    {
      var x = this.getProject(project);
      if(!E.check(x))
        return E.BAD_PROJECT;

      delete this.projects[project];
      utils.rmdir(global.pathToProjectDir(this.name, project));
      this.save(global.pathToUserFile(this.name));
    }

    editProject(name, data)
    {
      if(data.name!=undefined && data.name!=name)
      {
        var t = this.renameProject(name, data.name);
        if( !E.check(t) )
          return t;
        this.save();
        name=data.name;
      }

      var pro = this.getProject(name);
      if(!E.check(pro))
        return pro;

      Object.assign(pro, data);

      pro.save(global.pathToProjectFile(this.name, name));
      return E.SUCCESS;
    }

}