/* jshint node: true */

var User = require('../schemas/User'),
	Project = require('../schemas/Project'),
	Media = require('../schemas/Media'),
	Collaborator = require('../schemas/Collaborator'),
	config = require('../../../config'),
	middleware = require('../middleware'),
	util = require('../util'),
	_ = require('lodash'),
	moment = require('moment');


var staff = module.exports = {
	
	fields: {
	  user: "_id username displayName created_at updated_at created_ip last_ip",
	  project: "_id name slug created_at updated_at",
	},
	
	defaults: {
	  user: {
	    _id: "", username: "", displayName: "",
      created_at: "", updated_at: "", created_ip: "", last_ip: "",
	  },
	},
	
	middleware: {

    ensureUsers: function(req, res, next){
      var offset = Number(req.params.offset) || 0
      var sort
      switch (req.params.sort) {
        case 'date':
          sort = {'date': -1}
          break
        default:
          sort = {'username': 1}
          break
      }
      User.find({})
          .select(staff.fields.user)
          .sort(sort)
          .skip(offset)
          .limit(50)
          .exec(function (err, users) {
        res.locals.users = users.map(staff.helpers.user)
        next()
      })
    },

    ensureProfile: function(req, res, next){
      var username = req.params.username
      if (username) {
        User.findOne({ username: username }, function (err, user) {
          if (user) {
            res.locals.profile = staff.helpers.user(user)
          }
          else {
            res.locals.profile = null
          }
          next()
        })
      }
      else {
        res.locals.profile = null
        next()
      }
    },

    ensureUsersCount: function(req, res, next){
      if (! res.locals.profile) { return next() }
      User.count({}, function(err, count){
        res.locals.userCount = count || 0
        next()
      })
    },

    ensureProjectsCount: function(req, res, next){
      if (! res.locals.profile) { return next() }
      Project.count({}, function(err, count){
        res.locals.projectCount = count || 0
        next()
      })
    },
        
    ensureProfileProjectCount: function(req, res, next){
      if (! res.locals.profile) { return next() }
      Project.count({ user_id: res.locals.profile._id}, function(err, count){
        res.locals.profile.projectCount = count || 0
        next()
      })
    },

    ensureProfileMediaCount: function(req, res, next){
      if (! res.locals.profile) { return next() }
      Media.count({ user_id: res.locals.profile._id}, function(err, count){
        res.locals.profile.mediaCount = count || 0
        next()
      })
    },
  
    ensureProfileProjects: function(req, res, next){
      if (! res.locals.profile) { return next() }
      Project.find({ user_id: res.locals.profile._id }, staff.fields.project, function(err, projects){
        res.locals.projects = projects.map(staff.helpers.project)
        next()
      })
    },
    
    ensureProject: function(req, res, next){
      res.locals.project = req.project
      next()
    },

    ensureProjectUser: function(req, res, next){
      if (! res.locals.project) { return next() }
      User.findOne({ user_id: res.locals.project.user_id }, staff.fields.user, function(err, user){
        res.locals.project.user = user || staff.defaults.user
        next()
      })
    },

    ensureProjectCollaborators: function(req, res, next){
      if (! res.locals.project) {
        res.locals.collaborators = []
        return next()
      }
      Collaborator.find({ project_id: res.locals.project._id}, function(err, collaborators){
        res.locals.collaborators = collaborators || []
        next()
      })
    },
	},
	
	helpers: {
    user: function(user){
      user = user.toObject()
      user.created_ip = util.num2ip( user.created_ip )
      user.last_ip = util.num2ip( user.last_ip )
      return user
    },
    
	  project: function(project){
      project = project.toObject()
      return project
	  }
	},

	route: function(app){
    app.get('/staff',
      middleware.ensureAuthenticated,
      middleware.ensureIsStaff,

      staff.middleware.ensureUsersCount,
      staff.middleware.ensureProjectsCount,

      staff.index
    );
    app.get('/staff/users',
      middleware.ensureAuthenticated,
      middleware.ensureIsStaff,
      
      staff.middleware.ensureUsersCount,
      staff.middleware.ensureUsers,
      
      staff.users.index
    );
    app.get('/staff/users/:username',
      middleware.ensureAuthenticated,
      middleware.ensureIsStaff,

      staff.middleware.ensureProfile,
      staff.middleware.ensureProfileProjectCount,
      staff.middleware.ensureProfileMediaCount,
      staff.middleware.ensureProfileProjects,

      staff.users.show
    );
    app.get('/staff/projects',
      middleware.ensureAuthenticated,
      middleware.ensureIsStaff,

      staff.projects.index
    );
    app.get('/staff/projects/:name',
      middleware.ensureAuthenticated,
      middleware.ensureIsStaff,

      middleware.ensureProject,
      staff.middleware.ensureProject,
      staff.middleware.ensureProjectUser,
      staff.middleware.ensureProjectCollaborators,

      staff.projects.show
    );
//     app.post('/staff/bless',
//       middleware.ensureAuthenticated,
//       views.staff.bless
//     );
  },

	index: function(req, res){
		res.render('staff/index')
	},
	
	bless: function(req, res){
		req.user.isStaff = true
		req.user.save(function(){
			res.redirect("/staff")
		})
	},
	
  // /staff/users/
  // /staff/users/:username
  users: {
    index: function(req, res){
      res.render('staff/users/index')
    },
    show: function(req, res){
      if (res.locals.profile) {
        res.render('staff/users/show')
      }
      else {
        res.render('staff/users/show_404')
      }
    },
  },
  
  // /staff/projects/
  // /staff/projects/:name
  projects: {
    index: function(req, res){
      res.render('staff/projects/index')
    },
    show: function(req, res){
      if (res.locals.project) {
        res.render('staff/projects/show')
      }
      else {
        res.render('staff/projects/show_404')
      }
    },
  },

}