import { inject as service } from '@ember/service';

import Adapter from '@ember-data/adapter/json-api';
import FastbootService from 'ember-cli-fastboot/services/fastboot';
// eslint-disable-next-line ember/no-mixins
import FastbootAdapter from 'ember-data-storefront/mixins/fastboot-adapter';
// eslint-disable-next-line ember/no-mixins
import DataAdapterMixin from 'ember-simple-auth/mixins/data-adapter-mixin';
import SessionService from 'ember-simple-auth/services/session';

import ENV from '<%= modulePrefix %>/config/environment';
import { reject } from 'rsvp';

export default class Application extends Adapter.extend(DataAdapterMixin, FastbootAdapter) {
    @service declare session: SessionService;
    @service declare fastboot: FastbootService;

    host = ENV.apiBaseUrl;

    /**
     * When using ember-fetch with ember-simple-auth, authorization headers must be manually set
     * @returns Object
     */
    get headers() {
        const headers = {} as any;
        if (this.session.isAuthenticated) {
            const { id_token } = this.session.data!.authenticated;
            headers['Authorization'] = `Bearer ${id_token}`;
        }

        return headers;
    }

    /**
     *Handles unauthenticated requests (logs the user out)
     *
     * @param {number} status
     * @param {Record<string, unknown>} headers
     * @param {Record<string, unknown>} payload
     * @param {Record<string, unknown>} requestData
     * @return {*}
     * @memberof Application
     */
    handleResponse(
        status: number,
        headers: Record<string, unknown>,
        payload: Record<string, unknown>,
        requestData: Record<string, unknown>
    ) {
        if (status === 401) {
            if (this.session.isAuthenticated) {
                this.session.invalidate();
                return reject();
            } else {
                this.browserRedirect('/login');
                return {};
            }
        }

        return super.handleResponse(status, headers, payload, requestData);
    }

    /**
     * Safely redirects to a new URL in client-side environments
     * @param  {String}  url
     * @param  {Number}  [statusCode=307]
     * @param  {Boolean} [replace=false]
     * @returns Void
     */
    browserRedirect(url: string, statusCode = 307, replace = false) {
        if (this.fastboot.isFastBoot) {
            //avoid redirect loops
            if (this.fastboot.request.path !== url) {
                this.fastboot.response.statusCode = statusCode;
                this.fastboot.response.headers.set('Location', url);
            }
        } else if (replace) {
            window.location.replace(url);
        } else {
            window.location.href = url;
        }
    }
}

declare module 'ember-data/types/registries/adapter' {
    export default interface AdapterRegistry {
        application: Application;
    }
}