Fitness/web/edit_provider.php

<?php
// edit_provider.php
// Edit an existing fitness provider.
// Handles rate options similar to add_provider.php.

require_once __DIR__ . '/config.php';

$provider_id = (int)($_GET['id'] ?? 0);
if ($provider_id <= 0) {
    echo '<h1>Error</h1><p>Provider ID is missing or invalid.</p>';
    exit;
}

// ------------------------------------------------------------------
// Helper: Call the API (GET/PUT) – returns decoded JSON or null
function callApi(string $method, string $path, $body = null)
{
    $url = BASE_API_URL . $path;
    $ch  = curl_init($url);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    if ($body !== null) {
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body));
    }
    $response   = curl_exec($ch);
    $httpCode   = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    if ($httpCode >= 400) {
        return null;
    }
    return json_decode($response, true);
}
// ------------------------------------------------------------------

// 1️⃣  Get provider details
$provider = callApi('GET', '/providers?id=' . $provider_id);
if (!$provider) {
    echo '<h1>Error</h1><p>Could not load provider details.</p>';
    exit;
}
if (is_array($provider) && count($provider) > 0 && isset($provider[0])) {
    $provider = $provider[0];
}

// 2️⃣  Get rate‑option list (comma‑separated string → array)
$rateSetting = callApi('GET', '/settings/rate_options');
$rateOptions = [];
if ($rateSetting && isset($rateSetting['value'])) {
    $rateOptions = array_map('trim', explode(',', $rateSetting['value']));
}

// 3️⃣  Decode the API’s rate string (JSON → array of arrays)
$ratesData  = $provider['rates'] ?? '[]';
$decoded    = [];
if (is_string($ratesData)) {
    $decoded = json_decode($ratesData, true);
    if (json_last_error() !== JSON_ERROR_NONE) {
        $decoded = [];            // bad JSON – treat as empty
    }
} elseif (is_array($ratesData)) {
    $decoded = $ratesData;       // already an array – legacy path
}

// 4️⃣  Build two helper arrays
$selectedRateKeys = [];     // lowercase keys of selected rates
$ratesAssoc       = [];     // key → value

foreach ($decoded as $entry) {
    if (!is_array($entry)) continue;
    foreach ($entry as $k => $v) {
        $kTrim = strtolower(trim($k));
        $selectedRateKeys[] = $kTrim;
        $ratesAssoc[$kTrim]  = $v;
    }
}

// 5️⃣  Find orphan rates (present in $decoded but not in $rateOptions)
$orphanRates = [];
$orphanKeys  = [];
foreach ($decoded as $entry) {
    if (!is_array($entry)) continue;
    foreach ($entry as $k => $v) {
        $kTrim = strtolower(trim($k));
        if (!in_array($kTrim, array_map('strtolower', $rateOptions))) {
            $orphanRates[$kTrim] = $v;
            $orphanKeys[]        = $kTrim;
        }
    }
}

// ------------------------------------------------------------------
// 6️⃣  Handle form POST
// --- Handle form POST -------------------------------------------------
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // Base payload
    $payload = [
        'name'    => $_POST['name'] ?? '',
        'age'     => (int)($_POST['age'] ?? 0),
        'photo'   => $_POST['photo'] ?? '',
        'phone'   => $_POST['phone'] ?? '',
        // Convert checkbox to boolean
        'private' => isset($_POST['private']),
    ];

    // ------------------------------------------------------------------
    // Rebuild the rates array from the form.
    $finalRates = [];

    // 1️⃣  Add the selected valid rate options (value may be changed by the user)
    $selectedRateKeysRaw = $_POST['rate_selected'] ?? [];
    foreach ($selectedRateKeysRaw as $opt) {           // $opt is the original rate name
        $newVal = $_POST['rate_value'][$opt] ?? '0';   // the updated value
        $finalRates[] = [$opt => $newVal];
    }

    // 2️⃣  Add orphan rates that the user chose **not** to delete
    $orphanDeleteSet = array_flip(array_map('strtolower', $_POST['orphan_delete'] ?? []));
    foreach ($orphanRates as $key => $value) {        // $key is already lower‑cased
        if (!isset($orphanDeleteSet[strtolower($key)])) {
            $finalRates[] = [$key => $value];
        }
    }

    // 3️⃣  Encode the new array as JSON
    //$payload['rates'] = !empty($finalRates) ? json_encode($finalRates) : null;
    $payload['rates'] = !empty($finalRates) ? $finalRates : null;


    // ------------------------------------------------------------------
    // Submit the updated provider
    $result = callApi('PUT', '/providers/' . $provider_id, $payload);
    if ($result) {
        header('Location: list_providers.php');
        exit;
    }
    echo '<h1>Error</h1><p>Failed to update provider.</p>';
}

?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edit Provider</title>
    <link rel="stylesheet" href="https://cosmostat.matt-cloud.com/src/styles.css">
    <style>
        body {font-family: Arial, sans-serif; margin: 20px;}
        form {max-width: 600px;}
        label {display: block; margin-top: 10px;}
        input[type=text], input[type=number], textarea {width: 100%; padding: 8px; box-sizing: border-box;}
        input[type=checkbox] {margin-top: 5px;}
        button {margin-top: 15px; padding: 10px 15px;}
    </style>
</head>
<body>
<div class="card">
    <h1>Edit Provider</h1>
    <form method="post" id="editForm">
        <!-- Basic fields -->
        <label>Name: <input type="text" name="name" required value="<?php echo htmlspecialchars($provider['name'] ?? ''); ?>"></label>
        <label>Age: <input type="number" name="age" required value="<?php echo htmlspecialchars($provider['age'] ?? ''); ?>"></label>
        <label>Photo URL: <input type="text" name="photo" value="<?php echo htmlspecialchars($provider['photo'] ?? ''); ?>"></label>
        <label>Phone: <input type="text" name="phone" required value="<?php echo htmlspecialchars($provider['phone'] ?? ''); ?>"></label>

        <!-- Rate options -->
        <?php if (!empty($rateOptions)) : ?>
            <label>Rate Options:<br>
            <?php foreach ($rateOptions as $opt) :
                $key   = strtolower(trim($opt));
                $value = $ratesAssoc[$key] ?? 0;
            ?>
                <input type="checkbox" name="rate_selected[]" value="<?php echo htmlspecialchars($opt); ?>"
                    <?php if (in_array($key, $selectedRateKeys)) echo 'checked'; ?> >
                <?php echo htmlspecialchars($opt); ?>:
                <input type="number" name="rate_value[<?php echo htmlspecialchars($opt); ?>]" value="<?php echo htmlspecialchars($value); ?>" style="width:60px;">
                <br>
            <?php endforeach; ?>
            </label>
        <?php endif; ?>

        <!-- Orphan rates – show value and a Delete checkbox -->
        <?php if (!empty($orphanRates)) : ?>
            <label>Orphan Rates:<br>
            <?php foreach ($orphanRates as $key => $value) : ?>
                <?php echo htmlspecialchars($key); ?>:
                <input type="number" value="<?php echo htmlspecialchars($value); ?>" style="width:60px;" disabled>
                <input type="checkbox" name="orphan_delete[]" value="<?php echo htmlspecialchars($key); ?>" style="margin-left:10px;"> Delete
                <br>
            <?php endforeach; ?>
            </label>
        <?php endif; ?>

        <!-- Private flag -->
        <label><input type="checkbox" name="private" <?php echo (!empty($provider['private'])) ? 'checked' : ''; ?>> Private</label><br>

        <!-- Buttons -->
        <button type="submit">Save</button>
        <button type="button" onclick="window.location.href='list_providers.php'">Cancel</button>
    </form>
</div>
</body>
</html>