<?php
require_once "class/VisualLimsApiClient.class.php";
include('include/headscript.php');

$dbHandler = DBHandlerSelect::getInstance();
$pdo = $dbHandler->getConnection();

header("Content-Type: application/json");

// 🔹 Configura directory log (creala se non esiste)
$logDir = __DIR__ . '/logs/api/';
if (!is_dir($logDir)) {
    mkdir($logDir, 0755, true);
}

// 🔹 Base URL API
$apiBaseUrl = 'https://93.43.5.102/limsapi/api/odata/';

// 🔹 Hardcoded values
$iddatadb = 846;
$commessaId = 533357;

try {
    // 🔹 STEP 4: Fetch Field Values with Labels (usa dati reali per iddatadb=845)
    $stmt = $pdo->prepare("
        SELECT
          idd.field_value,
          m.field_label,
          m.schema_id,
          m.field_id
        FROM
          import_data_details as idd
          JOIN template_mapping m ON idd.mapping_id = m.id
        WHERE idd.id = :iddatadb
    ");
    $stmt->execute(['iddatadb' => $iddatadb]);
    $rows = $stmt->fetchAll(PDO::FETCH_ASSOC);

    $fieldValues = [];
    $valueMap = [];  // Mappa per field_id -> valore
    foreach ($rows as $row) {
        $fieldValues[] = [
            "IdCommesseCustomFields" => (int) $row['field_id'],
            "Valore" => $row['field_value'],
            "FieldLabel" => $row['field_label']
        ];
        $valueMap[(int) $row['field_id']] = $row['field_value'];  // Mappa per ID definizione
    }

    // Logga i fieldValues in error_log
    $logFieldValues = "FieldValues dal DB (iddatadb={$iddatadb}):\n" . json_encode($fieldValues, JSON_PRETTY_PRINT);
    error_log($logFieldValues);

    // 🔹 Initialize API client
    $api = VisualLimsApiClient::getInstance();

    // 🔹 STEP A: GET iniziale per CommesseCustomFields con espansione CustomField
    $expand = "CommesseCustomFields(\$expand=CustomField)";  // Espansione come da istruzioni fornitore
    $commessaWithFields = $api->get("CommessaWeb(" . $commessaId . ")?\$expand=" . $expand);

    // 🔹 STEP B: Prepara payload PATCH (tutti i campi, sovrascrivi se match su CustomField.IdCustomField == field_id)
    $commessaCustomFields = [];
    foreach ($commessaWithFields["CommesseCustomFields"] as $customField) {
        $definitionId = (int) ($customField["CustomField"]["IdCustomField"] ?? 0);  // Usa IdCustomField dal CustomField
        $currentValue = $customField["Valore"] ?? '';
        $newValue = isset($valueMap[$definitionId]) ? $valueMap[$definitionId] : $currentValue;

        $commessaCustomFields[] = [
            "IdCommesseCustomFields" => (int) $customField["IdCommesseCustomFields"],
            "Valore" => $newValue
        ];
    }

    // 🔹 Unico file di log per tutto
    $logFile = $logDir . "commessa_{$commessaId}_patch_and_get_" . time() . ".txt";
    $logContent = "FieldValues dal DB (iddatadb={$iddatadb}):\n" . json_encode($fieldValues, JSON_PRETTY_PRINT) . "\n\n";

    // Log curl-like per GET iniziale
    $logContent .= "GET iniziale:\n" .
        "curl --location --request GET '{$apiBaseUrl}CommessaWeb({$commessaId})?\$expand=CommesseCustomFields(\$expand=CustomField)' \\\n" .
        "--header 'Authorization: Bearer ••••••'\n\n" .
        "RESPONSE:\n" . json_encode($commessaWithFields, JSON_PRETTY_PRINT) . "\n\n---\n";

    if (!empty($commessaCustomFields)) {
        $updatePayload = ["CommesseCustomFields" => $commessaCustomFields];

        // Log curl-like per PATCH
        $jsonPayload = json_encode($updatePayload, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
        $logContent .= "PATCH:\n" .
            "curl --location --request PATCH '{$apiBaseUrl}CommessaWeb({$commessaId})' \\\n" .
            "--header 'Content-Type: application/json' \\\n" .
            "--header 'Authorization: Bearer ••••••' \\\n" .
            "--data '{$jsonPayload}'\n\n";

        $patchResponse = $api->patch("CommessaWeb({$commessaId})", $updatePayload);

        $logContent .= "PATCH RESPONSE:\n" . json_encode($patchResponse, JSON_PRETTY_PRINT) . "\n\n---\n";
    } else {
        $logContent .= "PATCH: Nessun campo custom da aggiornare\n\n---\n";
    }

    // 🔹 STEP C: GET di controllo post-PATCH
    $commessaAfterPatch = $api->get("CommessaWeb(" . $commessaId . ")?\$expand=" . $expand);

    // Log curl-like per GET di controllo
    $logContent .= "GET di controllo:\n" .
        "curl --location --request GET '{$apiBaseUrl}CommessaWeb({$commessaId})?\$expand=CommesseCustomFields(\$expand=CustomField)' \\\n" .
        "--header 'Authorization: Bearer ••••••'\n\n" .
        "RESPONSE:\n" . json_encode($commessaAfterPatch, JSON_PRETTY_PRINT);

    // Salva log unico
    file_put_contents($logFile, $logContent);

    // 🔹 Output a schermo
    echo json_encode([
        "success" => true,
        "message" => "PATCH eseguito su commessa {$commessaId} con dati da iddatadb {$iddatadb}",
        "commessaAfterPatch" => $commessaAfterPatch,
        "totalCustomFieldsUpdated" => count($commessaCustomFields),
        "fieldValues" => $fieldValues,
        "logFile" => $logFile
    ]);
} catch (Exception $e) {
    error_log("Patch Error: " . $e->getMessage() . "\nTrace: " . $e->getTraceAsString());

    echo json_encode([
        "success" => false,
        "message" => "Patch failed: " . $e->getMessage(),
        "logFile" => $logFile ?? 'Nessun log generato'
    ]);
}