import computed from "ember-addons/ember-computed-decorators";
import { ajax } from "discourse/lib/ajax";
import AdminUser from "admin/models/admin-user";
import { escapeExpression } from "discourse/lib/utilities";

function format(label, value, escape = true) {
  return value ? `<b>${I18n.t(label)}</b>: ${escape ? escapeExpression(value) : value}` : "";
};

const StaffActionLog = Discourse.Model.extend({
  showFullDetails: false,

  @computed("action_name")
  actionName(actionName) {
    return I18n.t(`admin.logs.staff_actions.actions.${actionName}`);
  },

  @computed("email", "ip_address", "topic_id", "post_id", "category_id", "new_value", "previous_value", "details", "useCustomModalForDetails", "useModalForDetails")
  formattedDetails(email, ipAddress, topicId, postId, categoryId, newValue, previousValue, details, useCustomModalForDetails, useModalForDetails) {
    const postLink = postId ? `<a href data-link-post-id="${postId}">${postId}</a>` : null;

    let lines = [
      format("email", email),
      format("admin.logs.ip_address", ipAddress),
      format("admin.logs.topic_id", topicId),
      format("admin.logs.post_id", postLink, false),
      format("admin.logs.category_id", categoryId),
    ];

    if (!useCustomModalForDetails) {
      lines.push(format("admin.logs.staff_actions.new_value", newValue));
      lines.push(format("admin.logs.staff_actions.previous_value", previousValue));
    }

    if (!useModalForDetails && details) {
      lines = [...lines, ...escapeExpression(details).split("\n")];
    }

    const formatted = lines.filter(l => l.length > 0).join("<br/>");
    return formatted.length > 0 ? formatted + "<br/>" : "";
  },

  @computed("details")
  useModalForDetails(details) {
    return details && details.length > 100;
  },

  @computed("action_name")
  useCustomModalForDetails(actionName) {
    return ["change_theme", "delete_theme"].includes(actionName);
  }
});

StaffActionLog.reopenClass({
  create(attrs) {
    attrs = attrs || {};

    if (attrs.acting_user) {
      attrs.acting_user = AdminUser.create(attrs.acting_user);
    }
    if (attrs.target_user) {
      attrs.target_user = AdminUser.create(attrs.target_user);
    }
    return this._super(attrs);
  },

  findAll(data) {
    return ajax("/admin/logs/staff_action_logs.json", { data }).then(result => {
      return {
        staff_action_logs: result.staff_action_logs.map(s => StaffActionLog.create(s)),
        user_history_actions: result.user_history_actions
      };
    });
  }
});

export default StaffActionLog;