import { Injectable } from "@nestjs/common";


export type JwtConfig = {
    secret: string;
    expiry: string;
    issuer: string;
};

export type ValidateRequest = (request: any, claims: any) => boolean;

export type MutateUserResponseAccess = (userResponseAccess: any) => any;

export class ApiJwtConfig {
    secret: string;
    expiry: string;
    issuer: string;
    constructor(options: ApiJwtConfigOptions) {
        this.issuer = options.issuer;
        this.secret = options.secret
        this.expiry = options.expiry ? options.expiry : '1d';
    }
}

export type LaunchpadApiClientAuthConfigCustomMethods = {
    /**
     * Optional method to validate the request of a specific route against the claims on the Api's jwt
     */
    validateApiRequest?: ValidateRequest;
    /**
     * Optional method to mutate the response given by the LaunchPad api get user info route into a formate consumable by this api
     */
    mutateUserResponseAccess?: MutateUserResponseAccess;
};

export type ApiJwtConfigOptions = {
    secret: string;
    issuer: string;
    expiry?: string;
};
@Injectable()
export class LaunchpadApiClientAuthConfig {
    /**
     * Shared api key
     */
    launchPadApiUrl: string;
    /**
     * Shared jwt secret
     */
    launchPadJwtSecret: string;
    /**
     * Shared api key
     */
    launchPadApiKey: string;
    /**
     * The descriptive name of the api where this code is executed - for logging and signing of jwts
     */
    apiName: string;
    /**
     * Optional jwtConfig for this api's signing of jwt tokens with its client app. For setting custom token expiry, persisent secrets, and signatures
     */
    apiJwtConfig: JwtConfig;
    /**
     * Optional methods to validate a requests and mutate responses
     */
    customMethods: LaunchpadApiClientAuthConfigCustomMethods;
    constructor(
        launchPadApiUrl: string,
        launchPadJwtSecret: string,
        launchPadApiKey: string,
        apiName: string,
        apiJwtSecret: string,
        customMethods: LaunchpadApiClientAuthConfigCustomMethods,
    ) {
        this.launchPadApiUrl = launchPadApiUrl;
        this.launchPadApiKey = launchPadApiKey;
        this.launchPadJwtSecret = launchPadJwtSecret;
        this.apiName = apiName;
        this.apiJwtConfig = new ApiJwtConfig({ issuer: apiName, secret: apiJwtSecret });
        this.customMethods = customMethods;
    }
}