import * as Keychain from 'react-native-keychain';

const PIN_KEY = 'APP_PIN';

export const savePin = async (pin: string) => {
    await Keychain.setGenericPassword(PIN_KEY, pin, {
        accessible: Keychain.ACCESSIBLE.WHEN_UNLOCKED,
    });
};

export const verifyPin = async (inputPin: string) => {
    const creds = await Keychain.getGenericPassword();
    if (!creds) return false;
    return creds.password === inputPin;
};

export const isPinSet = async () => {
    const creds = await Keychain.getGenericPassword();
    return !!creds;
};