/*
Plugin Name: Panchang Festival Finder
Description: AstrologyAPI से पंचांग त्योहार लाने वाला शॉर्टकोड प्लगइन।
Version: 1.2
Author: Amit Patel
*/

// ===== 1. SETTINGS PAGE =====
add_action('admin_menu', 'pff_add_admin_menu');
add_action('admin_init', 'pff_settings_init');

function pff_add_admin_menu() {
    add_options_page('Panchang Festival Settings', 'Panchang Festival', 'manage_options', 'panchang_festival', 'pff_options_page');
}

function pff_settings_init() {
    register_setting('pff_settings', 'pff_options');

    add_settings_section('pff_section', 'API Credentials', null, 'pff_settings');

    add_settings_field('pff_user_id', 'User ID', 'pff_user_id_render', 'pff_settings', 'pff_section');
    add_settings_field('pff_api_key', 'API Key', 'pff_api_key_render', 'pff_settings', 'pff_section');
}

function pff_user_id_render() {
    $options = get_option('pff_options');
    echo "<input type='text' name='pff_options[pff_user_id]' value='{$options['pff_user_id']}' size='40'>";
}

function pff_api_key_render() {
    $options = get_option('pff_options');
    echo "<input type='text' name='pff_options[pff_api_key]' value='{$options['pff_api_key']}' size='40'>";
}

function pff_options_page() {
    echo '<h2>Panchang Festival Settings</h2><form action="options.php" method="post">';
    settings_fields('pff_settings');
    do_settings_sections('pff_settings');
    submit_button();
    echo '</form>';
}

// ===== 2. API CALL FUNCTION =====
function pff_get_festivals($day, $month, $year, $hour, $min, $lat, $lon, $tzone) {
    $options = get_option('pff_options');
    $user_id = $options['pff_user_id'];
    $api_key = $options['pff_api_key'];

    if (!$user_id || !$api_key) return 'API credentials missing!';

    $url = 'https://json.astrologyapi.com/v1/panchang_festival';

    $args = array(
        'headers' => array(
            'Authorization' => 'Basic ' . base64_encode("$user_id:$api_key"),
            'Content-Type'  => 'application/json'
        ),
        'body' => json_encode(array(
            'day' => $day,
            'month' => $month,
            'year' => $year,
            'hour' => $hour,
            'min' => $min,
            'lat' => $lat,
            'lon' => $lon,
            'tzone' => $tzone
        ))
    );

    $response = wp_remote_post($url, $args);
    if (is_wp_error($response)) return 'API Error: ' . $response->get_error_message();

    $body = wp_remote_retrieve_body($response);
    $data = json_decode($body, true);
    return !empty($data['festivals']) ? $data['festivals'] : [];
}

// ===== 3. TODAY FESTIVAL SHORTCODE =====
add_shortcode('festival_today', 'pff_show_today_festival');

function pff_show_today_festival() {
    date_default_timezone_set('Asia/Kolkata');
    $day = date('j');
    $month = date('n');
    $year = date('Y');
    $hour = date('G');
    $min = date('i');
    $lat = 25.3176;
    $lon = 82.9739;
    $tzone = 5.5;

    $festivals = pff_get_festivals($day, $month, $year, $hour, $min, $lat, $lon, $tzone);
    $festivals_list = is_array($festivals) && !empty($festivals) ? implode(', ', $festivals) : 'कोई त्योहार नहीं मिला';

    return "<div><strong>आज के प्रमुख पर्व:</strong> $festivals_list</div>";
}

// ===== 4. UPCOMING 5 FESTIVALS SHORTCODE =====
add_shortcode('upcoming_festivals', 'pff_show_upcoming_festivals');

function pff_show_upcoming_festivals() {
    date_default_timezone_set('Asia/Kolkata');
    $lat = 25.3176;
    $lon = 82.9739;
    $tzone = 5.5;

    $today = new DateTime();
    $all_festivals = [];
    $unique_festivals = [];

    for ($i = 0; $i < 60 && count($all_festivals) < 5; $i++) {
        $date = clone $today;
        $date->modify("+{$i} day");
        $day = (int)$date->format('j');
        $month = (int)$date->format('n');
        $year = (int)$date->format('Y');
        $hour = (int)$date->format('G');
        $min = (int)$date->format('i');

        $festivals = pff_get_festivals($day, $month, $year, $hour, $min, $lat, $lon, $tzone);

        if (is_array($festivals) && !empty($festivals)) {
            foreach ($festivals as $fest) {
                if (!in_array($fest, $unique_festivals)) {
                    $unique_festivals[] = $fest;
                    $all_festivals[] = array(
                        'name' => $fest,
                        'date' => $date->format('d-m-Y'),
                        'day' => $date->format('l')
                    );

                    if (count($all_festivals) >= 5) break;
                }
            }
        }
    }

    if (empty($all_festivals)) return '<div>कोई आगामी त्योहार नहीं मिला।</div>';

    $output = '<div class="upcoming-festivals">';
    foreach ($all_festivals as $festival) {
        $output .= "<div class='festival-box' style='border:1px solid #ccc; padding:10px; margin:10px 0; border-radius:5px;'>";
        $output .= "<strong>त्योहार:</strong> {$festival['name']}<br>";
        $output .= "<strong>दिन:</strong> {$festival['day']}<br>";
        $output .= "<strong>तारीख:</strong> {$festival['date']}";
        $output .= "</div>";
    }
    $output .= '</div>';

    return $output;
}

// ===== 5. THIS WEEK FESTIVALS SHORTCODE =====
add_shortcode('is_saptah_festival', 'pff_show_week_festivals');

function pff_show_week_festivals() {
    date_default_timezone_set('Asia/Kolkata');
    $lat = 25.3176;
    $lon = 82.9739;
    $tzone = 5.5;

    $today = new DateTime();
    $week_start = clone $today;
    $week_start->modify('monday this week');

    $festivals_in_week = [];
    $unique_festivals = [];

    for ($i = 0; $i < 7; $i++) {
        $date = clone $week_start;
        $date->modify("+{$i} day");

        $day = (int)$date->format('j');
        $month = (int)$date->format('n');
        $year = (int)$date->format('Y');
        $hour = (int)$date->format('G');
        $min = (int)$date->format('i');

        $festivals = pff_get_festivals($day, $month, $year, $hour, $min, $lat, $lon, $tzone);

        if (is_array($festivals) && !empty($festivals)) {
            foreach ($festivals as $fest) {
                if (!in_array($fest, $unique_festivals)) {
                    $unique_festivals[] = $fest;
                    $festivals_in_week[] = array(
                        'name' => $fest,
                        'date' => $date->format('d-m-Y'),
                        'day' => $date->format('l')
                    );
                }
            }
        }
    }

    if (empty($festivals_in_week)) return '<div>इस सप्ताह कोई त्योहार नहीं मिला।</div>';

    $output = '<div class="week-festivals">';
    foreach ($festivals_in_week as $festival) {
        $output .= "<div class='festival-box' style='border:1px solid #ccc; padding:10px; margin:10px 0; border-radius:5px;'>";
        $output .= "<strong>त्योहार:</strong> {$festival['name']}<br>";
        $output .= "<strong>दिन:</strong> {$festival['day']}<br>";
        $output .= "<strong>तारीख:</strong> {$festival['date']}";
        $output .= "</div>";
    }
    $output .= '</div>';

    return $output;
}
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