import debounce from 'discourse/lib/debounce';
import { outputExportResult } from 'discourse/lib/export-result';
import { exportEntity } from 'discourse/lib/export-csv';
import ScreenedIpAddress from 'admin/models/screened-ip-address';

export default Ember.Controller.extend({
  loading: false,
  filter: null,
  savedIpAddress: null,

  show: debounce(function() {
    this.set('loading', true);
    ScreenedIpAddress.findAll(this.get("filter"))
                     .then(result => {
                       this.set('model', result);
                       this.set('loading', false);
                      });
  }, 250).observes("filter"),

  actions: {
    allow(record) {
      record.set('action_name', 'do_nothing');
      record.save();
    },

    block(record) {
      record.set('action_name', 'block');
      record.save();
    },

    edit(record) {
      if (!record.get('editing')) {
        this.set("savedIpAddress", record.get('ip_address'));
      }
      record.set('editing', true);
    },

    cancel(record) {
      if (this.get('savedIpAddress') && record.get('editing')) {
        record.set('ip_address', this.get('savedIpAddress'));
      }
      record.set('editing', false);
    },

    save(record) {
      const wasEditing = record.get('editing');
      record.set('editing', false);
      record.save().then(saved => {
        if (saved.success) {
          this.set('savedIpAddress', null);
        } else {
          bootbox.alert(saved.errors);
          if (wasEditing) record.set('editing', true);
        }
      }).catch(e => {
        if (e.responseJSON && e.responseJSON.errors) {
          bootbox.alert(I18n.t("generic_error_with_reason", {error: e.responseJSON.errors.join('. ')}));
        } else {
          bootbox.alert(I18n.t("generic_error"));
        }
        if (wasEditing) record.set('editing', true);
      });
    },

    destroy(record) {
      return bootbox.confirm(
        I18n.t("admin.logs.screened_ips.delete_confirm", { ip_address: record.get('ip_address') }),
        I18n.t("no_value"),
        I18n.t("yes_value"),
        result => {
          if (result) {
            record.destroy().then(deleted => {
              if (deleted) {
                this.get("model").removeObject(record);
              } else {
                bootbox.alert(I18n.t("generic_error"));
              }
            }).catch(e => {
              bootbox.alert(I18n.t("generic_error_with_reason", {error: "http: " + e.status + " - " + e.body}));
            });
          }
        }
      );
    },

    recordAdded(arg) {
      this.get("model").unshiftObject(arg);
    },

    rollUp() {
      const self = this;
      return bootbox.confirm(I18n.t("admin.logs.screened_ips.roll_up_confirm"), I18n.t("no_value"), I18n.t("yes_value"), function (confirmed) {
        if (confirmed) {
          self.set("loading", true);
          return ScreenedIpAddress.rollUp().then(function(results) {
            if (results && results.subnets) {
              if (results.subnets.length > 0) {
                self.send("show");
                bootbox.alert(I18n.t("admin.logs.screened_ips.rolled_up_some_subnets", { subnets: results.subnets.join(", ") }));
              } else {
                self.set("loading", false);
                bootbox.alert(I18n.t("admin.logs.screened_ips.rolled_up_no_subnet"));
              }
            }
          });
        }
      });
    },

    exportScreenedIpList() {
      exportEntity('screened_ip').then(outputExportResult);
    }
  }
});