<?php
defined(page_security_key) or exit;

// Fallback translations
if (!isset($button_cancel)) $button_cancel = 'Cancel';

$page = 'products_software_upgrade_paths_manage';
//Check if allowed
if (isAllowed($page,$_SESSION['profile'],$_SESSION['permission'],'R') === 0){
    header('location: index.php');
    exit;
}
//PAGE Security
$update_allowed = isAllowed($page ,$_SESSION['profile'],$_SESSION['permission'],'U');
$delete_allowed = isAllowed($page ,$_SESSION['profile'],$_SESSION['permission'],'D');
$create_allowed = isAllowed($page ,$_SESSION['profile'],$_SESSION['permission'],'C');

// Determine redirect URL
if (isset($_GET['id'])) {
    $url = 'index.php?page=products_software_version&rowID=' . $_GET['id'];
} else {
    $url = 'index.php?page=products_software_versions';
}

// Default input values
$path = [
    'rowID' => '',
    'from_version_id' => '',
    'to_version_id' => '',
    'price' => '',
    'currency' => 'USD',
    'description' => '',
    'is_active' => 1,
    'created' => '',
    'createdby' => $_SESSION['username'],
    'updated' => '',
    'updatedby' => $_SESSION['username']
];

// Determine filter version id from URL (for hw_version filtering)
$filter_version_id = $_GET['from_version_id'] ?? $_GET['to_version_id'] ?? $_GET['id'] ?? '';

// If editing, fetch existing data
if (isset($_GET['id']) && $_GET['id'] != '') {
    $api_url = '/v2/products_software_upgrade_paths/rowID=' . $_GET['id'];
    $response = ioServer($api_url, '');
    var_dump($response);
    if (!empty($response)) {
        $existing = json_decode($response);
        if (!empty($existing)) {
            $path = (array) $existing[0];
        }
    }
}

// Fetch software versions for selects
$api_url = '/v2/products_software_versions/list';
$versions_response = ioServer($api_url, '');
$all_versions = [];
if (!empty($versions_response)) {
    $all_versions = json_decode($versions_response);
}

// Determine hw_version for filtering
$filter_hw_version = null;
$selected_versions = [];

if (!empty($path['from_version_id'])) {
    $selected_versions[] = $path['from_version_id'];
    $api_url = '/v2/products_software_versions/rowID=' . $path['from_version_id'];
    $response = ioServer($api_url, '');
    if (!empty($response)) {
        $ver = json_decode($response);
        if (!empty($ver)) {
            $filter_hw_version = $ver[0]->hw_version;
        }
    }
}
if (!empty($path['to_version_id'])) {
    $selected_versions[] = $path['to_version_id'];
}

if ($filter_hw_version === null && !empty($filter_version_id)) {
    $api_url = '/v2/products_software_versions/rowID=' . $filter_version_id;
    $response = ioServer($api_url, '');
    if (!empty($response)) {
        $ver = json_decode($response);
        if (!empty($ver)) {
            $filter_hw_version = $ver[0]->hw_version;
        }
    }
}

// Filter versions to same hw_version
$versions = [];
if ($filter_hw_version !== null) {
    foreach ($all_versions as $ver) {
        if ($ver->hw_version == $filter_hw_version) {
            $versions[] = $ver;
        }
    }
    // Ensure selected versions are included
    foreach ($selected_versions as $sel_id) {
        $found = false;
        foreach ($versions as $ver) {
            if ($ver->rowID == $sel_id) {
                $found = true;
                break;
            }
        }
        if (!$found) {
            // Fetch and add
            $api_url = '/v2/products_software_versions/rowID=' . $sel_id;
            $response = ioServer($api_url, '');
            if (!empty($response)) {
                $ver = json_decode($response);
                if (!empty($ver)) {
                    $versions[] = $ver[0];
                }
            }
        }
    }
} else {
    $versions = $all_versions;
}

// Handle form submission
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    $data = [
        'rowID' => $_POST['rowID'] ?? '',
        'from_version_id' => $_POST['from_version_id'] ?? '',
        'to_version_id' => $_POST['to_version_id'] ?? '',
        'price' => $_POST['price'] ?? '',
        'currency' => $_POST['currency'] ?? 'USD',
        'description' => $_POST['description'] ?? '',
        'is_active' => isset($_POST['is_active']) ? 1 : 0
    ];

    // Handle delete
    if (isset($_POST['delete'])) {
        $data['delete'] = true;
    }

    // Call API
    $api_url = '/v2/products_software_upgrade_paths/';
    $result = ioServer($api_url, json_encode($data));

    if ($result) {
        $success = isset($_POST['delete']) ? 3 : (isset($_POST['rowID']) && $_POST['rowID'] != '' ? 2 : 1);
        header('Location: ' . $url . '&success_msg=' . $success);
        exit;
    } else {
        $error_msg = 'Failed to save upgrade path.';
    }
}

template_header('Upgrade Path', 'products_software_upgrade_paths_manage', 'manage');

$view ='
<form action="" method="post">
    <div class="content-title responsive-flex-wrap responsive-pad-bot-3">
        <h2 class="responsive-width-100">'.(isset($_GET['id']) ? 'Edit' : 'Create').' Upgrade Path</h2>
        <a href="' . $url . '" class="btn alt mar-right-2">' . $button_cancel . '</a>
';

if ($delete_allowed === 1 && isset($_GET['id'])){
    $view .= '<input type="submit" name="delete" value="X" class="btn red mar-right-2" onclick="return confirm(\'Are you sure you want to delete this upgrade path?\')">';
}
if (($update_allowed === 1 && isset($_GET['id'])) || ($create_allowed === 1 && !isset($_GET['id']))){
    $view .= '<input type="submit" name="submit" value="💾+" class="btn">';
}

$view .= '</div>';

$view .= '<div class="content-block">
            <div class="form responsive-width-100">
                <label for="from_version_id"><i class="required">*</i>From Version</label>
                <select id="from_version_id" name="from_version_id" required>
                    <option value="">Select From Version</option>';
                    if (!empty($versions)) {
                        foreach ($versions as $ver) {
                            $selected = ($path['from_version_id'] == $ver->rowID) ? ' selected' : '';
                            $view .= '<option value="' . $ver->rowID . '"' . $selected . '>' . htmlspecialchars($ver->name . ' (' . $ver->version . ')') . '</option>';
                        }
                    }
$view .= '        </select>
                <label for="to_version_id"><i class="required">*</i>To Version</label>
                <select id="to_version_id" name="to_version_id" required>
                    <option value="">Select To Version</option>';
                    if (!empty($versions)) {
                        foreach ($versions as $ver) {
                            $selected = ($path['to_version_id'] == $ver->rowID) ? ' selected' : '';
                            $view .= '<option value="' . $ver->rowID . '"' . $selected . '>' . htmlspecialchars($ver->name . ' (' . $ver->version . ')') . '</option>';
                        }
                    }
$view .= '        </select>
                <label for="price">Price</label>
                <input id="price" type="number" step="0.01" name="price" placeholder="Price" value="' . htmlspecialchars($path['price']) . '">
                <label for="currency">Currency</label>
                <input id="currency" type="text" name="currency" placeholder="Currency" value="' . htmlspecialchars($path['currency']) . '">
                <label for="description">Description</label>
                <textarea id="description" name="description" placeholder="Description">' . htmlspecialchars($path['description']) . '</textarea>
                <label class="checkbox">
                    <input type="checkbox" name="is_active" value="1" ' . ($path['is_active'] ? 'checked' : '') . '>
                    <span>Active</span>
                </label>
                <input type="hidden" name="rowID" value="' . htmlspecialchars($path['rowID']) . '">
            </div>
        </div>
';

//OUTPUT
echo $view;

template_footer();
?>