import {
    AbstractConsentHandler, BeslistConsentType, ConsentStatusData,
    ConsentTypeMapping
} from './abstract.consent-handler';

declare var wp_has_consent: (...args: any[]) => any;
declare const window: {
    wp_consent_type: string;
    waitfor_consent_hook: any;
}

export class WPConsentAPIConsentHandler extends AbstractConsentHandler {
    public static consentHandlerName = 'wp-consent-api';
    public static consentTypeMapping: ConsentTypeMapping<any> = {
        necessary: undefined,
        functional: 'functional',
        analytics: 'statistics',
        performance: undefined,
        marketing: 'marketing',
    }
    public static cookieNameMapping: ConsentTypeMapping<string | undefined> = {
        necessary: undefined,
        functional: undefined,
        analytics: undefined,
        performance: undefined,
        marketing: undefined,
    }

    protected getConsentHandlerName(): string {
        return WPConsentAPIConsentHandler.consentHandlerName;
    };

    protected getConsentTypeMapping(): ConsentTypeMapping<any> {
        return WPConsentAPIConsentHandler.consentTypeMapping;
    }

    protected getCookieNameMapping(): ConsentTypeMapping<string | undefined> {
        return WPConsentAPIConsentHandler.cookieNameMapping;
    }

    constructor() {
        super();

        window.wp_consent_type = 'optin';
    }

    protected getInitialConsent(): ConsentStatusData {
        return {
            necessary: 'granted',
            functional: !window.waitfor_consent_hook && wp_has_consent('functional') ? 'granted' : 'denied',
            analytics: !window.waitfor_consent_hook && wp_has_consent('statistics') ? 'granted' : 'denied',
            performance: 'denied',
            marketing: !window.waitfor_consent_hook && wp_has_consent('marketing') ? 'granted' : 'denied',
        };
    }

    public initializeConsentUpdateListener(): void {
        document.addEventListener('wp_listen_for_consent_change', (event: any) => {
            const consentStatusData: ConsentStatusData = {};

            if (event.detail.hasOwnProperty(this.mapConsentType('functional'))) {
                consentStatusData.functional = event.detail[this.mapConsentType('functional')] === 'allow' ? 'granted' : 'denied';
            }

            if (event.detail.hasOwnProperty(this.mapConsentType('analytics'))) {
                consentStatusData.analytics = event.detail[this.mapConsentType('analytics')] === 'allow' ? 'granted' : 'denied';
            }

            if (event.detail.hasOwnProperty(this.mapConsentType('marketing'))) {
                consentStatusData.marketing = event.detail[this.mapConsentType('marketing')] === 'allow' ? 'granted' : 'denied';
            }

            this.updateConsent(consentStatusData);
        });
    }

    protected parseConsentCookieValue(consentType: BeslistConsentType, cookieValue: string): boolean | undefined {
        return undefined;
    }
}