import Controller, { inject as controller } from "@ember/controller";
import discourseComputed, { observes } from "discourse-common/utils/decorators";
import I18n from "I18n";
import bootbox from "bootbox";
import { bufferedProperty } from "discourse/mixins/buffered-content";
import { popupAjaxError } from "discourse/lib/ajax-error";
import { propertyNotEqual } from "discourse/lib/computed";
import { equal, reads } from "@ember/object/computed";
import { next } from "@ember/runloop";
import { action } from "@ember/object";
import getURL from "discourse-common/lib/get-url";

const IMAGE = "image";
const ICON = "icon";

export default Controller.extend(bufferedProperty("model"), {
  adminBadges: controller(),
  saving: false,
  savingStatus: "",
  selectedGraphicType: null,
  badgeTypes: reads("adminBadges.badgeTypes"),
  badgeGroupings: reads("adminBadges.badgeGroupings"),
  badgeTriggers: reads("adminBadges.badgeTriggers"),
  protectedSystemFields: reads("adminBadges.protectedSystemFields"),
  readOnly: reads("buffered.system"),
  showDisplayName: propertyNotEqual("name", "displayName"),
  iconSelectorSelected: equal("selectedGraphicType", ICON),
  imageUploaderSelected: equal("selectedGraphicType", IMAGE),

  init() {
    this._super(...arguments);

    // this is needed because the model doesnt have default values
    // and as we are using a bufferedProperty it's not accessible
    // in any other way
    next(() => {
      if (this.model) {
        if (!this.model.badge_type_id) {
          this.model.set(
            "badge_type_id",
            this.get("badgeTypes.firstObject.id")
          );
        }

        if (!this.model.badge_grouping_id) {
          this.model.set(
            "badge_grouping_id",
            this.get("badgeGroupings.firstObject.id")
          );
        }

        if (!this.model.trigger) {
          this.model.set("trigger", this.get("badgeTriggers.firstObject.id"));
        }
      }
    });
  },

  @discourseComputed("model.query", "buffered.query")
  hasQuery(modelQuery, bufferedQuery) {
    if (bufferedQuery) {
      return bufferedQuery.trim().length > 0;
    }
    return modelQuery && modelQuery.trim().length > 0;
  },

  @discourseComputed("model.i18n_name")
  textCustomizationPrefix(i18n_name) {
    return `badges.${i18n_name}.`;
  },

  @observes("model.id")
  _resetSaving() {
    this.set("saving", false);
    this.set("savingStatus", "");
  },

  showIconSelector() {
    this.set("selectedGraphicType", ICON);
  },

  showImageUploader() {
    this.set("selectedGraphicType", IMAGE);
  },

  @action
  changeGraphicType(newType) {
    if (newType === IMAGE) {
      this.showImageUploader();
    } else if (newType === ICON) {
      this.showIconSelector();
    } else {
      throw new Error(`Unknown badge graphic type "${newType}"`);
    }
  },

  @action
  setImage(upload) {
    this.buffered.setProperties({
      image_upload_id: upload.id,
      image_url: getURL(upload.url),
    });
  },

  @action
  removeImage() {
    this.buffered.setProperties({
      image_upload_id: null,
      image_url: null,
    });
  },

  actions: {
    save() {
      if (!this.saving) {
        let fields = [
          "allow_title",
          "multiple_grant",
          "listable",
          "auto_revoke",
          "enabled",
          "show_posts",
          "target_posts",
          "name",
          "description",
          "long_description",
          "icon",
          "image_upload_id",
          "query",
          "badge_grouping_id",
          "trigger",
          "badge_type_id",
        ];

        if (this.get("buffered.system")) {
          let protectedFields = this.protectedSystemFields || [];
          fields = fields.filter((f) => !protectedFields.includes(f));
        }

        this.set("saving", true);
        this.set("savingStatus", I18n.t("saving"));

        const boolFields = [
          "allow_title",
          "multiple_grant",
          "listable",
          "auto_revoke",
          "enabled",
          "show_posts",
          "target_posts",
        ];

        const data = {};
        const buffered = this.buffered;
        fields.forEach(function (field) {
          let d = buffered.get(field);
          if (boolFields.includes(field)) {
            d = !!d;
          }
          data[field] = d;
        });

        const newBadge = !this.id;
        const model = this.model;
        this.model
          .save(data)
          .then(() => {
            if (newBadge) {
              const adminBadges = this.get("adminBadges.model");
              if (!adminBadges.includes(model)) {
                adminBadges.pushObject(model);
              }
              this.transitionToRoute("adminBadges.show", model.get("id"));
            } else {
              this.commitBuffer();
              this.set("savingStatus", I18n.t("saved"));
            }
          })
          .catch(popupAjaxError)
          .finally(() => {
            this.set("saving", false);
            this.set("savingStatus", "");
          });
      }
    },

    destroy() {
      const adminBadges = this.get("adminBadges.model");
      const model = this.model;

      if (!model.get("id")) {
        this.transitionToRoute("adminBadges.index");
        return;
      }

      return bootbox.confirm(
        I18n.t("admin.badges.delete_confirm"),
        I18n.t("no_value"),
        I18n.t("yes_value"),
        (result) => {
          if (result) {
            model
              .destroy()
              .then(() => {
                adminBadges.removeObject(model);
                this.transitionToRoute("adminBadges.index");
              })
              .catch(() => {
                bootbox.alert(I18n.t("generic_error"));
              });
          }
        }
      );
    },
  },
});