(function() {
  'use strict';

  angular
    .module('dialoga')
    .controller('RespostasPageController', RespostasPageController);

  /** @ngInject */
  function RespostasPageController(DialogaService, $scope, $rootScope, $location, $filter, $log) {
    var vm = this;

    vm.DialogaService = DialogaService;
    vm.$scope = $scope;
    vm.$rootScope = $rootScope;
    vm.$location = $location;
    vm.$filter = $filter;
    vm.$log = $log;

    vm.init();
    vm.loadData();
    vm.attachListeners();
    vm.$rootScope.focusMainContent();

    $log.debug('RespostasPageController');
  }

  RespostasPageController.prototype.init = function() {
    var vm = this;

    vm.page = 1;
    vm.per_page = 10;
    vm.themes = null;
    vm.selectedTheme = null;
    vm.filtredProposals = null;
    vm.query = null;
    vm.search = vm.$location.search();

    if (vm.search.tema) {
      vm._filtredByThemeSlug = vm.search.tema;
    }

    if (vm.search.filtro) {
      vm._filtredByQuery = vm.search.filtro;
    }

    if (vm.search.tema || vm.search.filtro) {
      vm.loadingFilter = true;
    }

    vm.loading = null;
    vm.error = null;
  };

  RespostasPageController.prototype.loadData = function() {
    var vm = this;

    vm.loading = true;

    // Behaviour:
    // 1. Load themes
    // 1. Load Proposals per_page
    // END.

    // 1. Load themes
    vm.loadingThemes = true;
    vm.DialogaService.getThemes(function(themes) {
      var archivedThemes = [];

      for (var i = themes.length - 1; i >= 0; i--) {
        var theme = themes[i];

        if(theme.archived){
          archivedThemes.push(theme);
        }
      }

      vm.themes = archivedThemes;
      vm.loadingThemes = false;
      vm.loading = false;

      vm.filter();
    }, function(error) {
      vm.error = error;
      vm.$log.error(error);
      vm.loadingThemes = false;
      vm.loading = false;
    });
  };

  RespostasPageController.prototype.attachListeners = function() {
    var vm = this;

    vm.$scope.$on('change-selectedCategory', function(event, selectedCategory) {
      vm.selectedTheme = selectedCategory;
    });

    vm.$scope.$watch('pageRespostas.selectedTheme', function(newValue/*, oldValue*/) {
      vm.search.tema = newValue ? newValue.slug : null;
      vm.$location.search('tema', vm.search.tema);

      if (!vm.loadingFilter) {
        vm.filterProposals();
      }
    });

    vm.$scope.$watch('pageRespostas.query', function(newValue/*, oldValue*/) {
      vm.search.filtro = newValue ? newValue : null;
      vm.$location.search('filtro', vm.search.filtro);

      if (!vm.loadingFilter) {
        vm.filterProposals();
      }
    });
  };

  RespostasPageController.prototype.resetFilterValues = function() {
    var vm = this;

    vm.query = null;
    vm.selectedTheme = null;
  };

  RespostasPageController.prototype.changePage = function(pageIndex) {
    var vm = this;

    vm.page = pageIndex;
    vm.filterProposals(pageIndex);
  };

  RespostasPageController.prototype.filter = function() {
    var vm = this;

    if (vm.loadingThemes || vm.loadingProposals) {
      vm.$log.info('No proposals or themes loaded yet. Abort.');
      return;
    }

    if (vm._filtredByThemeSlug) {
      var slug = vm._filtredByThemeSlug;

      vm.DialogaService.getThemeBySlug(slug, function(theme) {
        vm.selectedTheme = theme;
      }, function(error) {
        vm.$log.error('Error when try to "getThemeBySlug"', error);
      });
    }

    if (vm._filtredByQuery) {
      vm.query = vm._filtredByQuery;
    }

    if (vm._filtredByThemeSlug || vm._filtredByQuery) {
      vm.filterProposals();
      vm.loadingFilter = false;
    }
  };

  RespostasPageController.prototype.filterProposals = function(_page, _per_page) {
    var vm = this;

    if (vm.loadingProposals){
      vm.$log.debug('Content is not loaded yet.');
      return;
    }

    var page = _page || vm.page;
    var per_page = _per_page || vm.per_page;
    var query = vm.query;
    var params = {
      page: page,
      per_page: per_page,
      has_children: true,
      'fields[]': [
      'id',
      'body',
      'abstract',
      'hits',
      'ranking_position',
      'votes_against',
      'votes_count',
      'votes_for',
      'parent',
      'categories',
      'slug',
      'url', // parent.image.url
      'image',
      'title',
      'archived',
      'has_children',
      ]
    };

    if (vm.selectedTheme) {
      params.category_ids = vm.selectedTheme.id;
    }

    if (query) {params.query = query; }

    vm.loadingProposals = true;
    vm.DialogaService.searchProposals(params, function(data){
      console.log("aaaaaaaaaaaaaaaaaaa",data);
      vm.total_proposals = parseInt(data._obj.headers('total'));
      vm.filtredProposals = data.articles;
      console.log("----------------------------",vm.filtredProposals);
      vm.loadingProposals = false;
    }, function (error) {
      vm.error = error;
      vm.$log.error(error);
      vm.loadingProposals = false;
    });
  };

  RespostasPageController.prototype.submitSearch = function() {
    var vm = this;

    // scroll to result grid
    var $searchResult = angular.element('#search-result');
    if ($searchResult && $searchResult.length > 0) {
      angular.element('html,body').animate({scrollTop: $searchResult.offset().top}, 'fast');
      vm.filterProposals();
    }else {
      vm.$log.warn('#search-result element not found.');
    }
  };

})();