// Initialize Adsgram with the configured block ID
const AdController = window.Adsgram.init({ blockId: "16505" });

// Store reward callback function
let rewardCallback = null;
let errorCallback = null;

// Function to show ad (called from Dart)
function showAd() {
    return AdController.show().then((result) => {
        // user watch ad till the end or close it in interstitial format
        // your code to reward user for rewarded format
        console.log('Ad completed successfully', result);

        // Call reward callback if set
        if (window.rewardCallback && typeof window.rewardCallback === 'function') {
            window.rewardCallback();
        }

        return result;
    }).catch((result) => {
        // user get error during playing ad
        // do nothing or whatever you want
        console.error('Ad failed', result);

        // Call error callback if set
        if (window.errorCallback && typeof window.errorCallback === 'function') {
            window.errorCallback(JSON.stringify(result, null, 4));
        }

        throw result;
    });
}

// Function to show ad with specific block ID
function showAdWithBlockId(blockId) {
    const dynamicController = window.Adsgram.init({ blockId: blockId });
    return dynamicController.show().then((result) => {
        console.log('Ad completed successfully for block', blockId, result);

        // Call reward callback if set
        if (window.rewardCallback && typeof window.rewardCallback === 'function') {
            window.rewardCallback();
        }

        return result;
    }).catch((result) => {
        console.error('Ad failed for block', blockId, result);

        // Call error callback if set
        if (window.errorCallback && typeof window.errorCallback === 'function') {
            window.errorCallback(JSON.stringify(result, null, 4));
        }

        throw result;
    });
}

// Function to set reward callback from Dart
function setRewardCallback(callback) {
    window.rewardCallback = callback;
}

// Function to set error callback from Dart
function setErrorCallback(callback) {
    window.errorCallback = callback;
}