import { NgModule, ModuleWithProviders, Optional, Inject, InjectionToken } from '@angular/core';
import { HttpBackend } from '@angular/common/http';
import { NativeScriptHttpClientModule } from '@nativescript/angular';
import { HttpsSSLPinningOptions, enableSSLPinning } from '@nativescript-community/https';
import { HTTPS_REQUEST_DEFAULT_OPTIONS, NativeScriptHttpXhrBackend, HttpsRequestDefaultOptions } from './ns-http-xhr-backend';
import { ExcludedService } from './excluded.service';

/** Page size injection token. */
export const HTTPS_SSL_PINNING_OPTIONS = new InjectionToken<HttpsSSLPinningOptions>('HTTPS_SSL_PINNING_OPTIONS');

@NgModule({
    providers: [
        ExcludedService,
        NativeScriptHttpXhrBackend,
        { provide: HttpBackend, useExisting: NativeScriptHttpXhrBackend },
        { provide: HTTPS_REQUEST_DEFAULT_OPTIONS, useValue: {} },
        { provide: HTTPS_SSL_PINNING_OPTIONS, useValue: { host: '', certificate: '' } }
    ],
    imports: [NativeScriptHttpClientModule],
    exports: [NativeScriptHttpClientModule]
})
export class NativeScriptHttpsModule {
    constructor(@Optional()@Inject(HTTPS_SSL_PINNING_OPTIONS) defaults?: HttpsSSLPinningOptions) {
        enableSSLPinning(defaults ?? { host: '', certificate: '' });
    }
    /**
     * Creates and configures a module.
     * @param defaults Https request default options.
     * @returns A wrapper around an NgModule that associates it with the providers.
     */
    static forRoot(defaults: HttpsRequestDefaultOptions & HttpsSSLPinningOptions = { host: '', certificate: '' }): ModuleWithProviders<NativeScriptHttpsModule> {
        return {
            ngModule: NativeScriptHttpsModule,
            providers: [
                { provide: HTTPS_REQUEST_DEFAULT_OPTIONS, useValue: defaults },
                { provide: HTTPS_SSL_PINNING_OPTIONS, useValue: defaults }
            ]
        };
    }
}