import { Injectable } from '@angular/core';
import { PlatformProvider } from '../utils/platform-provider/platform.provider';
import { DEFAULT_CONFIG } from './default-config';
import { OpenIdConfiguration } from './openid-configuration';

@Injectable()
export class ConfigurationProvider {
    private openIdConfigurationInternal: OpenIdConfiguration;

    get openIDConfiguration(): OpenIdConfiguration {
        return this.openIdConfigurationInternal || null;
    }

    hasValidConfig() {
        return !!this.openIdConfigurationInternal;
    }

    constructor(private platformProvider: PlatformProvider) {}

    setConfig(configuration: OpenIdConfiguration) {
        this.openIdConfigurationInternal = { ...DEFAULT_CONFIG, ...configuration };

        if (configuration?.storage) {
            console.warn(
                'PLEASE NOTE: The storage in the config will be deprecated in future versions: Please pass the custom storage in forRoot() as documented'
            );
        }

        this.setSpecialCases(this.openIdConfigurationInternal);

        return this.openIdConfigurationInternal;
    }

    private setSpecialCases(currentConfig: OpenIdConfiguration) {
        if (!this.platformProvider.isBrowser) {
            currentConfig.startCheckSession = false;
            currentConfig.silentRenew = false;
            currentConfig.useRefreshToken = false;
        }
    }
}