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document.addEventListener("DOMContentLoaded", function () { const maticniField = document.querySelector("#customfield22"); // ← ISPRAVLJENO const pibField = document.querySelector("input[name='customfield[21]']"); const typeField = document.querySelector("select[name='customfield[32]']"); const companyField = document.querySelector("input[name='companyname']"); const addressField = document.querySelector("input[name='address1']"); const cityField = document.querySelector("input[name='city']"); const loader = document.getElementById("nbs-loader"); const errorBox = document.getElementById("nbs-error"); if (!maticniField) { console.log("MBR FIELD NOT FOUND!"); return; } let timer; function validatePIB(pib) { if (!/^\d10$/.test(pib)) return false; let digits = pib.split("").map(Number); let control = digits[9]; let sum = 0; for (let i = 0; i < 9; i++) { sum += digits[i] * (i + 1); } let mod = sum % 11; if (mod === 1) return false; let calc = (mod === 0) ? 0 : (11 - mod); return calc === control; } function checkPDV(pib) { fetch("aprilookup.php?pib=" + pib) .then(r => r.json()) .then(data => { if (data.obveznikPdv === true) { errorBox.style.display = "block"; errorBox.style.color = "green"; errorBox.innerText = "✔ Firma je u sistemu PDV-a"; } else { errorBox.style.display = "block"; errorBox.style.color = "#cc0000"; errorBox.innerText = "✖ Firma NIJE u sistemu PDV-a"; } }); } function setLoading(state) { if (state) { loader.style.display = "block"; companyField.disabled = true; addressField.disabled = true; cityField.disabled = true; pibField.disabled = true; } else { loader.style.display = "none"; companyField.disabled = false; addressField.disabled = false; cityField.disabled = false; pibField.disabled = false; } } function showError(msg) { errorBox.style.display = "block"; errorBox.style.color = "#cc0000"; errorBox.innerText = msg; } function clearError() { errorBox.style.display = "none"; errorBox.innerText = ""; } function lookupNBS(code) { setLoading(true); fetch("register.php?nbslookup=" + encodeURIComponent(code)) .then(r => r.json()) .then(data => { setLoading(false); if (!data["Пословно име"]) { showError("Firma nije pronađena u NBS registru."); return; } clearError(); companyField.value = data["Пословно име"] ?? ""; addressField.value = data["Адреса"] ?? ""; cityField.value = data["Место"] ?? ""; pibField.value = data["Порески број"] ?? ""; if (!validatePIB(pibField.value)) { showError("PIB nije validan prema kontrolnoj cifri!"); return; } checkPDV(pibField.value); }) .catch(err => { setLoading(false); showError("Greška pri komunikaciji sa NBS."); }); } maticniField.addEventListener("keyup", function () { clearTimeout(timer); clearError(); let type = typeField ? typeField.value : ""; if (type !== "Pravno lice") return; let code = maticniField.value.trim(); if (code.length !== 8 || !/^\d8$/.test(code)) return; timer = setTimeout(() => lookupNBS(code), 500); }); });