class Common {
    constructor() {
        this.activityIndicator = document.getElementById('activity_indicator');
        this.endTimeElement = document.getElementById('end_time');
        this.serverTimeElement = document.getElementById('server_time');
        this.init();
    }

    init() {
        this.updateServerTime();
        setInterval(() => this.updateServerTime(), 60000); // Update every minute
        this.checkScrapingStatus();
    }

    async fetchEndTime() {
        try {
            const response = await fetch('/scraping_get_end_time');
            const data = await response.json();
            if (data.end_time) {
                const endTime = new Date(data.end_time);
                const localEndTime = endTime.toLocaleString();
                this.endTimeElement.textContent = `End Time: ${endTime} TCT`;                
            }
        } catch (error) {
            this.endTimeElement.textContent = 'Error fetching end time';
            console.error('Error fetching end time:', error);
        }
    }

    async updateServerTime() {
        try {
            const response = await fetch('/server_time');
            const data = await response.json();
            this.serverTimeElement.textContent = `Server Time (UTC): ${data.server_time}`;
        } catch (error) {
            console.error('Error fetching server time:', error);
        }
    }

    async checkScrapingStatus() {
        try {
            const response = await fetch('/scraping_status');
            const data = await response.json();
            if (data.scraping_active) {
                this.activityIndicator.classList.remove('text-bg-danger');
                this.activityIndicator.classList.add('text-bg-success');
                this.activityIndicator.textContent = 'Active';

                this.endTimeElement.classList.remove('d-none');
                this.endTimeElement.textContent = data.end_time;
                await this.fetchEndTime();
            } else {
                this.activityIndicator.classList.remove('text-bg-success');
                this.activityIndicator.classList.add('text-bg-danger');
                this.activityIndicator.textContent = 'Inactive';
                
                this.endTimeElement.textContent = '';
                this.endTimeElement.classList.add('d-none');
            }
        } catch (error) {
            console.error('Error checking scraping status:', error);
        }
    }
}

document.addEventListener('DOMContentLoaded', () => {
    new Common();
});

function checkAllCheckboxes(tableId, checkAllCheckboxId) {
    const table = document.getElementById(tableId);
    const checkboxes = table.querySelectorAll('input[type="checkbox"]:not(:disabled)');
    const checkAllCheckbox = document.getElementById(checkAllCheckboxId);

    checkboxes.forEach(checkbox => checkbox.checked = checkAllCheckbox.checked);
}