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

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

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

try {
    $iddatadb = $_POST['iddatadb'] ?? null;
    if (!$iddatadb) {
        throw new Exception("Missing iddatadb");
    }

    echo "✅ START Export for iddatadb={$iddatadb}\n";

    // 🔹 STEP 1+2: Fetch Cliente ID + Schema ID
    $stmt = $pdo->prepare("
        SELECT et.idclient AS clienteId, et.idschema AS schemaId
        FROM datadb as d
        INNER JOIN excel_templates as et ON d.templateid = et.id
        WHERE d.iddatadb = :iddatadb
        LIMIT 1
    ");
    $stmt->execute(['iddatadb' => $iddatadb]);
    $result = $stmt->fetch(PDO::FETCH_ASSOC);

    if (!$result) {
        throw new Exception("No Cliente/Schema found for iddatadb {$iddatadb}");
    }

    $clienteId = (int) $result['clienteId'];
    $schemaId  = (int) $result['schemaId'];

    echo "✅ Cliente={$clienteId}, Schema={$schemaId}\n";

    // 🔹 STEP 3: Fetch Parts (including idmatrice)
    $stmt = $pdo->prepare("
        SELECT part_number, part_description, material, color, mix, idmatrice
        FROM identification_parts
        WHERE iddatadb = :iddatadb
    ");
    $stmt->execute(['iddatadb' => $iddatadb]);
    $parts = $stmt->fetchAll(PDO::FETCH_ASSOC);

    echo "✅ Parts found: " . count($parts) . "\n";

    // 🔹 STEP 4: Fetch Field Values with Labels
    $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);

    echo "✅ Field rows found: " . count($rows) . "\n";

    $fieldValues = [];
    foreach ($rows as $row) {
        $fieldValues[] = [
            "IdCommesseCustomFields" => (int) $row['field_id'],
            "Valore" => $row['field_value']
        ];
    }

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

    // 🔹 STEP 5: Create CommessaWeb (NOT WebOrder)
    $commessaWebPayload = [
        "Cliente" => $clienteId,
        "SchemaCustomField" => $schemaId,
        "Richiedente" => "Test Web Import",
        "Descrizione" => "TEST CommessaWeb",
    ];

    echo "➡️ Creating CommessaWeb...\n";
    $commessaWeb = $api->post("CommessaWeb", $commessaWebPayload);

    $commessaId = $commessaWeb["IdCommessa"];
    echo "✅ CommessaWeb created: ID={$commessaId}\n";

    // 🔹 STEP 6: Create Campioni (Samples) for each part
    $campioni = [];
    foreach ($parts as $index => $part) {
        $matriceId = (int) ($part["idmatrice"] ?? 0);

        if ($matriceId <= 0) {
            throw new Exception("Invalid or missing idmatrice for part: " . ($part["part_number"] ?? "Unknown"));
        }

        $campionePayload = [
            "Commessa" => $commessaId,
            "Matrice" => $matriceId,
            "SottoMatrice" => null,
            "SchemaCustomField" => $schemaId,
            "NoteWeb" => $part["part_description"] ?? ""
        ];

        echo "➡️ Creating Campione {$index} with Matrice={$matriceId}\n";
        $campione = $api->post("Campione", $campionePayload);

        $campione["PartNumber"] = $part["part_number"] ?? "";
        $campione["Material"] = $part["material"] ?? "";
        $campione["Color"] = $part["color"] ?? "";
        $campione["Mix"] = $part["mix"] ?? "";

        $campioni[] = $campione;
        echo "✅ Campione {$index} created: ID=" . ($campione["IdCampione"] ?? "N/A") . "\n";
    }

    // 🔹 STEP 7: Update Custom Fields for CommessaWeb
    if (!empty($fieldValues)) {
        echo "➡️ Updating CommessaWeb Custom Fields...\n";
        $commessaWithFields = $api->get("CommessaWeb(" . $commessaId . ")?\$expand=CommesseCustomFields");
        $commessaCustomFields = [];
        foreach ($commessaWithFields["CommesseCustomFields"] as $customField) {
            foreach ($fieldValues as $fieldValue) {
                if ($customField["IdCommesseCustomFields"] == $fieldValue["IdCommesseCustomFields"]) {
                    $commessaCustomFields[] = [
                        "IdCommesseCustomFields" => $customField["IdCommesseCustomFields"],
                        "Valore" => $fieldValue["Valore"]
                    ];
                    break;
                }
            }
        }

        if (!empty($commessaCustomFields)) {
            $updatePayload = ["CommesseCustomFields" => $commessaCustomFields];
            $api->patch("CommessaWeb({$commessaId})", $updatePayload);
            echo "✅ CommessaWeb Custom Fields updated\n";
        }
    }

    // 🔹 STEP 9: Send CommessaWeb to laboratory
    echo "➡️ Sending CommessaWeb...\n";
    $sendResult = $api->post("CommessaWeb({$commessaId})/InviaCommessa", []);
    echo "✅ CommessaWeb sent to Lab\n";

    // 🔹 STEP 10: Prepare final response
    $finalCommessa = [
        "Cliente" => $clienteId,
        "SchemaCustomField" => $schemaId,
        "Richiedente" => $commessaWeb["Richiedente"] ?? "Web Import",
        "Descrizione" => $commessaWeb["Descrizione"] ?? "",
        "CommesseCustomFields" => $fieldValues,
        "Campioni" => $campioni,
        "Inviata" => 1
    ];

    echo json_encode([
        "success" => true,
        "commessaWeb" => $finalCommessa,
        "totalCampioni" => count($campioni),
        "totalCustomFields" => count($fieldValues)
    ]);

} catch (Exception $e) {
    error_log("LIMS Export Error: " . $e->getMessage() . "\nTrace: " . $e->getTraceAsString());

    echo json_encode([
        "success" => false,
        "message" => "Export failed: " . $e->getMessage()
    ]);
}