import Ember from 'ember';
import Cattle from 'ui/utils/cattle';
import C from 'ui/utils/constants';
import ReadLabels from 'ui/mixins/read-labels';

var ServiceController = Cattle.TransitioningResourceController.extend(ReadLabels, {
  needs: ['environment'],
  environment: Ember.computed.alias('controllers.environment'),
  labelResource: Ember.computed.alias('model.launchConfig'),

  actions: {
    activate: function() {
      return this.doAction('activate');
    },

    deactivate: function() {
      return this.doAction('deactivate');
    },

    edit: function() {
      this.transitionToRoute('service.edit', this.get('environmentId'), this.get('id'));
    },

    scaleUp: function() {
      this.incrementProperty('scale');
      this.saveScale();
    },

    scaleDown: function() {
      this.decrementProperty('scale');
      this.saveScale();
    },

    clone: function() {
      var route;
      switch ( this.get('type').toLowerCase() )
      {
        case 'service':             route = 'service.new';          break;
        case 'dnsservice':          route = 'service.new-alias';    break;
        case 'loadbalancerservice': route = 'service.new-balancer'; break;
        case 'externalservice':     route = 'service.new-external'; break;
        default: return void this.send('error','Unknown service type: ' + this.get('type'));
      }

      this.transitionToRoute(route, {queryParams: {
        serviceId: this.get('id'),
        environmentId: this.get('environmentId'),
      }});
    },
  },

  scaleTimer: null,
  saveScale: function() {
    if ( this.get('scaleTimer') )
    {
      Ember.run.cancel(this.get('scaleTimer'));
    }

    var timer = Ember.run.later(this, function() {
      this.save();
    }, 500);

    this.set('scaleTimer', timer);
  },

  canScale: function() {
    if ( ['service','loadbalancerservice'].indexOf(this.get('type').toLowerCase()) >= 0 )
    {
      return !this.getLabel(C.LABEL.SCHED_GLOBAL);
    }
    else
    {
      return false;
    }
  }.property('type'),

  hasContainers: function() {
    return ['service','loadbalancerservice'].indexOf(this.get('type').toLowerCase()) >= 0;
  }.property('type'),

  hasImage: function() {
    return this.get('type') === 'service';
  }.property('type'),
  hasLabels: Ember.computed.alias('hasImage'),

  availableActions: function() {
    var a = this.get('actions');

    var choices = [
      { label: 'Start',         icon: 'ss-play',      action: 'activate',     enabled: !!a.activate,    color: 'text-success'},
      { label: 'Stop',          icon: 'ss-pause',     action: 'deactivate',   enabled: !!a.deactivate,  color: 'text-danger'},
      { label: 'Delete',        icon: 'ss-trash',     action: 'promptDelete', enabled: !!a.remove, altAction: 'delete', color: 'text-warning' },
      { label: 'Purge',         icon: 'ss-tornado',   action: 'purge',        enabled: !!a.purge },
      { divider: true },
      { label: 'View in API',   icon: '',             action: 'goToApi',      enabled: true },
      { label: 'Clone',         icon: 'ss-copier',    action: 'clone',        enabled: true },
      { label: 'Edit',          icon: 'ss-write',     action: 'edit',         enabled: !!a.update },
    ];

    return choices;
  }.property('actions.{activate,deactivate,update,remove,purge}'),

  displayType: function() {
    var out;
    switch ( this.get('type').toLowerCase() )
    {
      case 'loadbalancerservice': out = 'Load Balancer'; break;
      case 'dnsservice':          out = 'DNS'; break;
      case 'externalservice':     out = 'External'; break;
      default:                    out = 'Container'; break;
    }

    return out;
  }.property('type'),

  state: Ember.computed.alias('model.combinedState'),

  activeIcon: function() {
    return activeIcon(this.get('model'));
  }.property('type'),
});

export function activeIcon(service)
{
  var out = 'ss-layergroup';
  switch ( service.get('type').toLowerCase() )
  {
    case 'loadbalancerservice': out = 'ss-fork';    break;
    case 'dnsservice':          out = 'ss-compass'; break;
    case 'externalservice':     out = 'ss-cloud';   break;
  }

  return out;
}

ServiceController.reopenClass({
  stateMap: {
    'requested':        {icon: 'ss-tag',            color: 'text-danger'},
    'registering':      {icon: 'ss-tag',            color: 'text-danger'},
    'activating':       {icon: 'ss-tag',            color: 'text-danger'},
    'active':           {icon: activeIcon,          color: 'text-success'},
    'updating-active':  {icon: 'ss-tag',            color: 'text-success'},
    'updating-inactive':{icon: 'ss-tag',            color: 'text-danger'},
    'deactivating':     {icon: 'ss-down',           color: 'text-danger'},
    'inactive':         {icon: 'fa fa-circle',      color: 'text-danger'},
    'removing':         {icon: 'ss-trash',          color: 'text-danger'},
    'removed':          {icon: 'ss-trash',          color: 'text-danger'},
    'degraded':         {icon: 'ss-notifications',  color: 'text-warning'},
  }
});

export default ServiceController;