import { default as computed } from "discourse-common/utils/decorators";
import { dasherize } from "@ember/string";

export default {
  name: "custom-routes",
  after: "sniff-capabilities",
  initialize(app) {
    if (window.location.pathname.indexOf("/w/") < 0) return;

    const EmberObject = requirejs("@ember/object").default;
    const Router = requirejs("wizard/router").default;
    const ApplicationRoute = requirejs("wizard/routes/application").default;
    const ajax = requirejs("wizard/lib/ajax").ajax;
    const StepModel = requirejs("wizard/models/step").default;
    const CustomWizard = requirejs(
      "discourse/plugins/discourse-custom-wizard/wizard/models/custom"
    ).default;
    const WizardStep = requirejs("wizard/components/wizard-step").default;
    const WizardField = requirejs("wizard/components/wizard-field").default;
    const getUrl = requirejs("discourse-common/lib/get-url").default;
    const FieldModel = requirejs("wizard/models/wizard-field").default;
    const autocomplete = requirejs("discourse/lib/autocomplete").default;
    const cook = requirejs(
      "discourse/plugins/discourse-custom-wizard/wizard/lib/text-lite"
    ).cook;
    const Singleton = requirejs("discourse/mixins/singleton").default;
    const Store = requirejs("discourse/models/store").default;
    const registerRawHelpers = requirejs(
      "discourse-common/lib/raw-handlebars-helpers"
    ).registerRawHelpers;
    const createHelperContext = requirejs("discourse-common/lib/helpers")
      .createHelperContext;
    const RawHandlebars = requirejs("discourse-common/lib/raw-handlebars")
      .default;
    const Site = requirejs(
      "discourse/plugins/discourse-custom-wizard/wizard/models/site"
    ).default;
    const RestAdapter = requirejs("discourse/adapters/rest").default;
    const Session = requirejs("discourse/models/session").default;
    const setDefaultOwner = requirejs("discourse-common/lib/get-owner")
      .setDefaultOwner;
    const messageBus = requirejs("message-bus-client").default;
    const container = app.__container__;
    Discourse.Model = EmberObject.extend();
    Discourse.__container__ = container;
    setDefaultOwner(container);
    registerRawHelpers(RawHandlebars, Handlebars);

    // IE11 Polyfill - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries#Polyfill
    if (!Object.entries)
      Object.entries = function (obj) {
        var ownProps = Object.keys(obj),
          i = ownProps.length,
          resArray = new Array(i); // preallocate the Array
        while (i--) resArray[i] = [ownProps[i], obj[ownProps[i]]];

        return resArray;
      };

    $.fn.autocomplete = autocomplete;

    Object.keys(Ember.TEMPLATES).forEach((k) => {
      if (k.indexOf("select-kit") === 0) {
        let template = Ember.TEMPLATES[k];
        define(k, () => template);
      }
    });

    const targets = ["controller", "component", "route", "model", "adapter"];

    const siteSettings = Wizard.SiteSettings;
    app.register("site-settings:main", siteSettings, { instantiate: false });
    createHelperContext({ siteSettings });
    targets.forEach((t) => app.inject(t, "siteSettings", "site-settings:main"));

    app.register("message-bus:main", messageBus, { instantiate: false });
    targets.forEach((t) => app.inject(t, "messageBus", "message-bus:main"));

    app.register("service:store", Store);
    targets.forEach((t) => app.inject(t, "store", "service:store"));
    targets.forEach((t) => app.inject(t, "appEvents", "service:app-events"));

    app.register("adapter:rest", RestAdapter);

    const site = Site.current();
    app.register("site:main", site, { instantiate: false });
    targets.forEach((t) => app.inject(t, "site", "site:main"));

    site.set("can_create_tag", false);
    app.register("session:main", Session.current(), { instantiate: false });
    targets.forEach((t) => app.inject(t, "session", "session:main"));
    let context = {
      siteSettings: container.lookup("site-settings:main"),
      currentUser: container.lookup("current-user:main"),
      site: container.lookup("site:main"),
      session: container.lookup("session:main"),
      capabilities: container.lookup("capabilities:main"),
    };
    createHelperContext(context);
    const session = container.lookup("session:main");
    const setupData = document.getElementById("data-discourse-setup").dataset;
    session.set("highlightJsPath", setupData.highlightJsPath);
    Router.reopen({
      rootURL: getUrl("/w/"),
    });

    Router.map(function () {
      this.route("custom", { path: "/:wizard_id" }, function () {
        this.route("steps");
        this.route("step", { path: "/steps/:step_id" });
      });
    });

    ApplicationRoute.reopen({
      redirect() {
        this.transitionTo("custom");
      },

      model() {},
    });

    WizardStep.reopen({
      classNameBindings: ["step.id"],

      animateInvalidFields() {
        Ember.run.scheduleOnce("afterRender", () => {
          let $element = $(
            ".invalid input[type=text], .invalid textarea, .invalid input[type=checkbox], .invalid .select-kit"
          );

          if ($element.length) {
            $([document.documentElement, document.body]).animate(
              {
                scrollTop: $element.offset().top - 200,
              },
              400,
              function () {
                $element.wiggle(2, 100);
              }
            );
          }
        });
      },

      ensureStartsAtTop: function () {
        window.scrollTo(0, 0);
      }.observes("step.id"),

      showQuitButton: function () {
        const index = this.get("step.index");
        const required = this.get("wizard.required");
        return index === 0 && !required;
      }.property("step.index", "wizard.required"),

      cookedTitle: function () {
        return cook(this.get("step.title"));
      }.property("step.title"),

      cookedDescription: function () {
        return cook(this.get("step.description"));
      }.property("step.description"),

      bannerImage: function () {
        const src = this.get("step.banner");
        if (!src) return;
        return getUrl(src);
      }.property("step.banner"),

      handleMessage: function () {
        const message = this.get("step.message");
        this.sendAction("showMessage", message);
      }.observes("step.message"),

      advance() {
        this.set("saving", true);
        this.get("step")
          .save()
          .then((response) => {
            if (this.get("finalStep")) {
              CustomWizard.finished(response);
            } else {
              this.sendAction("goNext", response);
            }
          })
          .catch(() => this.animateInvalidFields())
          .finally(() => this.set("saving", false));
      },

      keyPress(key) {},

      actions: {
        quit() {
          this.get("wizard").skip();
        },

        done() {
          this.set("finalStep", true);
          this.send("nextStep");
        },

        showMessage(message) {
          this.sendAction("showMessage", message);
        },
      },
    });

    StepModel.reopen({
      save() {
        const wizardId = this.get("wizardId");
        const fields = {};

        this.get("fields").forEach((f) => {
          if (f.type !== "text_only") {
            fields[f.id] = f.value;
          }
        });

        return ajax({
          url: `/w/${wizardId}/steps/${this.get("id")}`,
          type: "PUT",
          data: { fields },
        }).catch((response) => {
          if (
            response &&
            response.responseJSON &&
            response.responseJSON.errors
          ) {
            let wizardErrors = [];
            response.responseJSON.errors.forEach((err) => {
              if (err.field === wizardId) {
                wizardErrors.push(err.description);
              } else if (err.field) {
                this.fieldError(err.field, err.description);
              } else if (err) {
                wizardErrors.push(err);
              }
            });
            if (wizardErrors.length) {
              this.handleWizardError(wizardErrors.join("\n"));
            }
            this.animateInvalidFields();
            throw response;
          }

          if (response && response.responseText) {
            const responseText = response.responseText;
            const start = responseText.indexOf(">") + 1;
            const end = responseText.indexOf("plugins");
            const message = responseText.substring(start, end);
            this.handleWizardError(message);
            throw message;
          }
        });
      },

      handleWizardError(message) {
        this.set("message", {
          state: "error",
          text: message,
        });
        Ember.run.later(() => this.set("message", null), 6000);
      },
    });

    WizardField.reopen({
      classNameBindings: ["field.id"],

      cookedDescription: function () {
        return cook(this.get("field.description"));
      }.property("field.description"),

      inputComponentName: function () {
        const type = this.get("field.type");
        const id = this.get("field.id");
        if (["text_only"].includes(type)) return false;
        return dasherize(type === "component" ? id : `wizard-field-${type}`);
      }.property("field.type", "field.id"),
    });

    const StandardFieldValidation = [
      "text",
      "number",
      "textarea",
      "dropdown",
      "tag",
      "image",
      "user_selector",
      "text_only",
      "composer",
      "category",
      "group",
      "date",
      "time",
      "date_time",
    ];

    FieldModel.reopen({
      check() {
        if (this.customCheck) {
          return this.customCheck();
        }

        let valid = this.valid;

        if (!this.required) {
          this.setValid(true);
          return true;
        }

        const val = this.get("value");
        const type = this.get("type");

        if (type === "checkbox") {
          valid = val;
        } else if (type === "upload") {
          valid = val && val.id > 0;
        } else if (StandardFieldValidation.indexOf(type) > -1) {
          valid = val && val.toString().length > 0;
        } else if (type === "url") {
          valid = true;
        }

        this.setValid(valid);

        return valid;
      },
    });
  },
};