/**
 * Configuration for the allauth library.
 *
 * This config serves two purposes:
 * 1. Define the base path for Django-initiated routes (must match HEADLESS_FRONTEND_URLS)
 * 2. Define where to navigate for various auth events (developer controls these)
 *
 * For JWT-based API calls, use mizan/jwt separately.
 */

export interface AllauthConfig {
    /**
     * Base path for Django-initiated routes (email verification, password reset, OAuth).
     * This must match the base path configured in Django's HEADLESS_FRONTEND_URLS.
     *
     * Example: '/auth' means Django sends users to '/auth/verify-email/{key}'
     */
    basePath: string

    /**
     * Navigation targets for auth events.
     * These are the URLs/paths the developer wants users sent to.
     */
    routes: {
        /** Where to go after successful authentication */
        authenticated: string
        /** Where to go after logout */
        logout: string
        /** Where the login page is (for "Back to login" links) */
        login: string
        /** Where the signup page is (for "Create account" links) */
        signup: string
    }
}

export const defaultConfig: AllauthConfig = {
    basePath: '/auth',
    routes: {
        authenticated: '/dashboard',
        logout: '/',
        login: '/login',
        signup: '/signup',
    },
}

/**
 * Creates a config by merging provided options with defaults.
 */
export function createAllauthConfig(config: Partial<AllauthConfig>): AllauthConfig {
    return {
        basePath: config.basePath ?? defaultConfig.basePath,
        routes: {
            ...defaultConfig.routes,
            ...config.routes,
        },
    }
}

/**
 * Django-initiated flow paths (relative to basePath).
 * These must match what's configured in Django's HEADLESS_FRONTEND_URLS.
 */
export const DjangoFlowPaths = {
    VERIFY_EMAIL: '/verify-email',
    RESET_PASSWORD: '/reset-password',
    OAUTH_ERROR: '/oauth/error',
} as const