/**
 * Add Trakt login to your page.
 *
 * ### Setup
 *
 * #### Callback URL
 * ```
 * https://example.com/api/auth/callback/trakt
 * ```
 *
 * #### Configuration
 *```ts
 * import { Auth } from "@auth/core"
 * import Trakt from "@auth/core/providers/trakt"
 *
 * const request = new Request(origin)
 * const response = await Auth(request, {
 *   providers: [
 *     Trakt({ clientId: TRAKT_CLIENT_ID, clientSecret: TRAKT_CLIENT_SECRET }),
 *   ],
 * })
 * ```
 *
 * ### Resources
 *
 * - [Trakt OAuth documentation](https://trakt.docs.apiary.io/#reference/authentication-oauth)
 *
 * If you're using the api in production by calling `api.trakt.tv`. Follow the example. If you wish to develop on Trakt's sandbox environment by calling `api-staging.trakt.tv`, change the URLs.
 *
 * Start by creating an OAuth app on Trakt for production or development. Then set the Client ID and Client Secret as TRAKT_ID and TRAKT_SECRET in .env.
 *
 * ### Notes
 *
 * By default, Auth.js assumes that the Trakt provider is
 * based on the [OAuth 2](https://www.rfc-editor.org/rfc/rfc6749.html) specification.
 *
 * :::danger
 *
 * - Trakt does not allow hotlinking images. Even the authenticated user's profile picture.
 * - Trakt does not supply the authenticated user's email.
 *
 * :::
 *
 * :::tip
 *
 * The Trakt provider comes with a [default configuration](https://github.com/nextauthjs/next-auth/blob/main/packages/core/src/providers/trakt.ts).
 * To override the defaults for your use case, check out [customizing a built-in OAuth provider](https://authjs.dev/guides/configuring-oauth-providers).
 *
 * :::
 *
 * :::info **Disclaimer**
 *
 * If you think you found a bug in the default configuration, you can [open an issue](https://authjs.dev/new/provider-issue).
 *
 * Auth.js strictly adheres to the specification and it cannot take responsibility for any deviation from
 * the spec by the provider. You can open an issue, but if the problem is non-compliance with the spec,
 * we might not pursue a resolution. You can ask for more help in [Discussions](https://authjs.dev/new/github-discussions).
 *
 * :::
 */
export default function Trakt(options) {
    return {
        id: "trakt",
        name: "Trakt",
        type: "oauth",
        authorization: "https://trakt.tv/oauth/authorize?scope=",
        token: "https://api.trakt.tv/oauth/token",
        userinfo: {
            url: "https://api.trakt.tv/users/me?extended=full",
            async request({ tokens, provider }) {
                return await fetch(provider.userinfo?.url, {
                    headers: {
                        Authorization: `Bearer ${tokens.access_token}`,
                        "trakt-api-version": "2",
                        "trakt-api-key": provider.clientId,
                    },
                }).then(async (res) => await res.json());
            },
        },
        profile(profile) {
            return {
                id: profile.ids.slug,
                name: profile.name,
                email: null, // trakt does not provide user emails
                image: profile.images.avatar.full, // trakt does not allow hotlinking
            };
        },
        style: { bg: "#ED2224", text: "#fff" },
        options,
    };
}