(function (window, document) {
    "use strict";

    const API = Object.freeze({ key: "payload-key", save: "application-save" });
    const BOOLEAN_FIELDS = Object.freeze({
        residenceVerification: "rv",
        residenceTelephoneVerification: "rtv",
        officeVerification: "ov",
        officeTelephoneVerification: "otv",
        propertyVerification: "pv",
        referenceVerification: "refv",
        documentVerification: "docv",
        residenceCoApplicant: "rco",
        residenceCoProprietor: "rcp",
        officeCoProprietor: "ocp",
        sameResidenceAddress: "sradd",
        sameOfficeAddress: "soadd",
        samePropertyAddress: "spadd",
        autoCutOff: "autocut"
    });
    const VALUE_FIELDS = Object.freeze({
        applicationId: "case_id", portfolioId: "portfolio_id", bankBranchId: "bank_branch_id",
        applicationNumber: "applno", bankCode: "bankcode", product: "product",
        loanAmount: "loanamount", customerName: "customername", fatherName: "fathername",
        applicationType: "apptype", category: "category", dateOfBirth: "dob",
        contactPerson: "contactperson", mobileNumber: "mobileno", specialInstruction: "specialinst",
        residenceAddress1: "raddr1", residenceAddress2: "raddr2", residenceAddress3: "raddr3",
        residenceLandmark: "rlandmark", residenceColonyId: "Rcolony", residenceCity: "rcity",
        residencePincode: "rpincode", residencePhone: "rphone", companyName: "companyname",
        officeAddress1: "oaddr1", officeAddress2: "oaddr2", officeAddress3: "oaddr3",
        officeLandmark: "olandmark", officeColonyId: "Ocolony", officeCity: "ocity",
        officePincode: "opincode", department: "department", designation: "designation",
        officePhone: "ophone", extension: "extension", propertyAddress1: "paddr1",
        propertyAddress2: "paddr2", propertyAddress3: "paddr3", propertyLandmark: "plandmark",
        propertyColonyId: "Pcolony", propertyCity: "pcity", propertyPincode: "ppincode",
        referenceName1: "refname1", referenceAddress1: "refaddress1",
        referenceContactNumber1: "refcontactno1", referenceName2: "refname2",
        referenceAddress2: "refaddress2", referenceContactNumber2: "refcontactno2",
        formMode: "formmode"
    });
    const INTEGER_FIELDS = new Set(["applicationId", "portfolioId", "bankBranchId", "residenceColonyId",
        "officeColonyId", "propertyColonyId", "formMode"]);
    const element = (id) => document.getElementById(id);
    const value = (id) => {
        const field = element(id);
        if (!field) return "";
        window.CygnusFormValidation.sanitizeElement(field);
        return field.value?.trim() ?? "";
    };
    const integer = (id) => {
        const parsed = Number.parseInt(value(id), 10);
        return Number.isFinite(parsed) ? parsed : 0;
    };
    const checked = (id) => Boolean(element(id)?.checked);

    function collectDynamicFields() {
        const names = value("dynamicfields").split(window.ColDelim || "!C0L!").filter(Boolean);
        return names.reduce((result, name) => {
            if (/^(?:field(?:[1-9]|1[0-2])|dtfield1)$/.test(name) && element(name)) {
                result[name] = value(name);
            }
            return result;
        }, {});
    }

    function collectCase() {
        const details = {};
        Object.entries(VALUE_FIELDS).forEach(([property, id]) => {
            details[property] = INTEGER_FIELDS.has(property) ? integer(id) : value(id);
        });
        Object.entries(BOOLEAN_FIELDS).forEach(([property, id]) => { details[property] = checked(id); });
        details.dynamicFields = collectDynamicFields();
        return details;
    }

    function validateForm() {
        const verificationIds = ["rv", "rtv", "ov", "otv", "pv", "refv", "docv"];
        if (!verificationIds.some(checked)) {
            notify("danger", "APP-4221", "At least one verification type is required.");
            return false;
        }
        const validation = window.CygnusInitiationValidation.validateForm();
        [["rv", "Rcolony", "colr"], ["ov", "Ocolony", "colo"], ["pv", "Pcolony", "colp"]]
            .forEach(([flag, hidden, visible]) => {
                if (checked(flag) && integer(hidden) === 0) window.highlightField(element(visible));
            });
        if (!validation.valid || document.querySelector(".matrix-validation-error-icon")) {
            notify("danger", "APP-4221", "Correct the highlighted fields and submit the application again.");
            validation.invalid[0]?.focus();
            return false;
        }
        return true;
    }

    function notify(type, code, message, referenceId) {
        window.CygnusNotifications.show({ type, code, message, referenceId });
    }

    function applyResult(result, originalApplicationId) {
        element("case_id").value = result.applicationId;
        if (element("mvcode")) element("mvcode").value = result.mvCode || "";
        if (Array.isArray(window.fields?.[0]) && Array.isArray(window.records?.[window.recpos])) {
            [["case_id", result.applicationId], ["mvcode", result.mvCode]].forEach(([name, fieldValue]) => {
                const index = window.fields[0].indexOf(name);
                if (index >= 0) window.records[window.recpos][index] = fieldValue;
            });
        }
        notify("success", "APP-2001", `Application ${result.mvCode || result.applicationId} saved successfully.`);
        if (originalApplicationId === 0 && typeof window.AddNewRecord === "function") window.AddNewRecord();
        else if (originalApplicationId > 0 && typeof window.findRecord === "function") window.findRecord(3);
    }

    async function save(event) {
        event?.preventDefault();
        if (!validateForm()) return false;
        const button = element("btnsave");
        if (button?.disabled) return false;
        const details = collectCase();
        if (button) button.disabled = true;
        try {
            const envelope = await window.CygnusPayloadCrypto.encrypt(details, { keyUrl: API.key });
            const response = await fetch(API.save, { method: "POST", credentials: "same-origin",
                headers: { "Content-Type": "application/json", Accept: "application/json" },
                body: JSON.stringify(envelope) });
            const body = await response.json().catch(() => null);
            if (!response.ok || !body?.success) throw body?.message || body || {};
            applyResult(body.data, details.applicationId);
        } catch (error) {
            notify("danger", error.code || "APP-5001",
                error.message || "Cygnus could not save the application details.", error.referenceId);
        } finally {
            if (button) button.disabled = false;
        }
        return false;
    }

    window.CygnusInitiation = Object.freeze({ save });
}(window, document));