import { ajax } from "discourse/lib/ajax";
import CanCheckEmails from "discourse/mixins/can-check-emails";
import { propertyNotEqual, setting } from "discourse/lib/computed";
import { userPath } from "discourse/lib/url";
import { popupAjaxError } from "discourse/lib/ajax-error";
import computed from "ember-addons/ember-computed-decorators";

export default Ember.Controller.extend(CanCheckEmails, {
  adminTools: Ember.inject.service(),
  originalPrimaryGroupId: null,
  customGroupIdsBuffer: null,
  availableGroups: null,
  userTitleValue: null,

  showApproval: setting("must_approve_users"),
  showBadges: setting("enable_badges"),
  hasLockedTrustLevel: Ember.computed.notEmpty(
    "model.manual_locked_trust_level"
  ),

  primaryGroupDirty: propertyNotEqual(
    "originalPrimaryGroupId",
    "model.primary_group_id"
  ),

  canDisableSecondFactor: Ember.computed.and(
    "model.second_factor_enabled",
    "model.can_disable_second_factor"
  ),

  @computed("model.customGroups")
  customGroupIds(customGroups) {
    return customGroups.mapBy("id");
  },

  @computed("customGroupIdsBuffer", "customGroupIds")
  customGroupsDirty(buffer, original) {
    if (buffer === null) return false;

    return buffer.length === original.length
      ? buffer.any(id => !original.includes(id))
      : true;
  },

  @computed("model.automaticGroups")
  automaticGroups(automaticGroups) {
    return automaticGroups
      .map(group => {
        const name = Ember.String.htmlSafe(group.name);
        return `<a href="/groups/${name}">${name}</a>`;
      })
      .join(", ");
  },

  @computed("model.associated_accounts")
  associatedAccountsLoaded(associatedAccounts) {
    return typeof associatedAccounts !== "undefined";
  },

  @computed("model.associated_accounts")
  associatedAccounts(associatedAccounts) {
    return associatedAccounts
      .map(provider => `${provider.name} (${provider.description})`)
      .join(", ");
  },

  userFields: function() {
    const siteUserFields = this.site.get("user_fields"),
      userFields = this.get("model.user_fields");

    if (!Ember.isEmpty(siteUserFields)) {
      return siteUserFields.map(function(uf) {
        let value = userFields ? userFields[uf.get("id").toString()] : null;
        return { name: uf.get("name"), value: value };
      });
    }
    return [];
  }.property("model.user_fields.[]"),

  @computed("model.username_lower")
  preferencesPath(username) {
    return userPath(`${username}/preferences`);
  },

  @computed("model.can_delete_all_posts", "model.staff", "model.post_count")
  deleteAllPostsExplanation(canDeleteAllPosts, staff, postCount) {
    if (canDeleteAllPosts) {
      return null;
    }

    if (staff) {
      return I18n.t("admin.user.delete_posts_forbidden_because_staff");
    }
    if (postCount > this.siteSettings.delete_all_posts_max) {
      return I18n.t("admin.user.cant_delete_all_too_many_posts", {
        count: this.siteSettings.delete_all_posts_max
      });
    } else {
      return I18n.t("admin.user.cant_delete_all_posts", {
        count: this.siteSettings.delete_user_max_post_age
      });
    }
  },

  @computed("model.canBeDeleted", "model.staff")
  deleteExplanation(canBeDeleted, staff) {
    if (canBeDeleted) {
      return null;
    }

    if (staff) {
      return I18n.t("admin.user.delete_forbidden_because_staff");
    } else {
      return I18n.t("admin.user.delete_forbidden", {
        count: this.siteSettings.delete_user_max_post_age
      });
    }
  },

  groupAdded(added) {
    this.get("model")
      .groupAdded(added)
      .catch(function() {
        bootbox.alert(I18n.t("generic_error"));
      });
  },

  groupRemoved(groupId) {
    this.get("model")
      .groupRemoved(groupId)
      .then(() => {
        if (groupId === this.get("originalPrimaryGroupId")) {
          this.set("originalPrimaryGroupId", null);
        }
      })
      .catch(function() {
        bootbox.alert(I18n.t("generic_error"));
      });
  },

  actions: {
    impersonate() {
      return this.get("model").impersonate();
    },
    logOut() {
      return this.get("model").logOut();
    },
    resetBounceScore() {
      return this.get("model").resetBounceScore();
    },
    refreshBrowsers() {
      return this.get("model").refreshBrowsers();
    },
    approve() {
      return this.get("model").approve();
    },
    deactivate() {
      return this.get("model").deactivate();
    },
    sendActivationEmail() {
      return this.get("model").sendActivationEmail();
    },
    activate() {
      return this.get("model").activate();
    },
    revokeAdmin() {
      return this.get("model").revokeAdmin();
    },
    grantAdmin() {
      return this.get("model").grantAdmin();
    },
    revokeModeration() {
      return this.get("model").revokeModeration();
    },
    grantModeration() {
      return this.get("model").grantModeration();
    },
    saveTrustLevel() {
      return this.get("model").saveTrustLevel();
    },
    restoreTrustLevel() {
      return this.get("model").restoreTrustLevel();
    },
    lockTrustLevel(locked) {
      return this.get("model").lockTrustLevel(locked);
    },
    unsilence() {
      return this.get("model").unsilence();
    },
    silence() {
      return this.get("model").silence();
    },
    deleteAllPosts() {
      return this.get("model").deleteAllPosts();
    },
    anonymize() {
      return this.get("model").anonymize();
    },
    disableSecondFactor() {
      return this.get("model").disableSecondFactor();
    },

    clearPenaltyHistory() {
      let user = this.get("model");
      return ajax(`/admin/users/${user.get("id")}/penalty_history`, {
        type: "DELETE"
      })
        .then(() => {
          user.set("tl3_requirements.penalty_counts.total", 0);
        })
        .catch(popupAjaxError);
    },

    destroy() {
      const postCount = this.get("model.post_count");
      if (postCount <= 5) {
        return this.get("model").destroy({ deletePosts: true });
      } else {
        return this.get("model").destroy();
      }
    },

    viewActionLogs() {
      this.get("adminTools").showActionLogs(this, {
        target_user: this.get("model.username")
      });
    },

    showFlagsReceived() {
      this.get("adminTools").showFlagsReceived(this.get("model"));
    },
    showSuspendModal() {
      this.get("adminTools").showSuspendModal(this.get("model"));
    },
    unsuspend() {
      this.get("model")
        .unsuspend()
        .catch(popupAjaxError);
    },
    showSilenceModal() {
      this.get("adminTools").showSilenceModal(this.get("model"));
    },

    saveUsername(newUsername) {
      const oldUsername = this.get("model.username");
      this.set("model.username", newUsername);

      return ajax(`/users/${oldUsername.toLowerCase()}/preferences/username`, {
        data: { new_username: newUsername },
        type: "PUT"
      })
        .catch(e => {
          this.set("model.username", oldUsername);
          popupAjaxError(e);
        })
        .finally(() => this.toggleProperty("editingUsername"));
    },

    saveName(newName) {
      const oldName = this.get("model.name");
      this.set("model.name", newName);

      return ajax(
        userPath(`${this.get("model.username").toLowerCase()}.json`),
        {
          data: { name: newName },
          type: "PUT"
        }
      )
        .catch(e => {
          this.set("model.name", oldName);
          popupAjaxError(e);
        })
        .finally(() => this.toggleProperty("editingName"));
    },

    saveTitle(newTitle) {
      const oldTitle = this.get("model.title");

      this.set("model.title", newTitle);
      return ajax(
        userPath(`${this.get("model.username").toLowerCase()}.json`),
        {
          data: { title: newTitle },
          type: "PUT"
        }
      )
        .catch(e => {
          this.set("model.title", oldTitle);
          popupAjaxError(e);
        })
        .finally(() => this.toggleProperty("editingTitle"));
    },

    generateApiKey() {
      this.get("model").generateApiKey();
    },

    saveCustomGroups() {
      const currentIds = this.get("customGroupIds");
      const bufferedIds = this.get("customGroupIdsBuffer");
      const availableGroups = this.get("availableGroups");

      bufferedIds.filter(id => !currentIds.includes(id)).forEach(id => {
        this.groupAdded(availableGroups.findBy("id", id));
      });

      currentIds
        .filter(id => !bufferedIds.includes(id))
        .forEach(id => this.groupRemoved(id));
    },

    resetCustomGroups() {
      this.set("customGroupIdsBuffer", null);
    },

    savePrimaryGroup() {
      const self = this;

      return ajax("/admin/users/" + this.get("model.id") + "/primary_group", {
        type: "PUT",
        data: { primary_group_id: this.get("model.primary_group_id") }
      })
        .then(function() {
          self.set(
            "originalPrimaryGroupId",
            self.get("model.primary_group_id")
          );
        })
        .catch(function() {
          bootbox.alert(I18n.t("generic_error"));
        });
    },

    resetPrimaryGroup() {
      this.set("model.primary_group_id", this.get("originalPrimaryGroupId"));
    },

    regenerateApiKey() {
      const self = this;

      bootbox.confirm(
        I18n.t("admin.api.confirm_regen"),
        I18n.t("no_value"),
        I18n.t("yes_value"),
        function(result) {
          if (result) {
            self.get("model").generateApiKey();
          }
        }
      );
    },

    revokeApiKey() {
      const self = this;

      bootbox.confirm(
        I18n.t("admin.api.confirm_revoke"),
        I18n.t("no_value"),
        I18n.t("yes_value"),
        function(result) {
          if (result) {
            self.get("model").revokeApiKey();
          }
        }
      );
    }
  }
});