(() => {
    "use strict";

    const form = document.getElementById("dedupeDetails");
    if (!form) return;

    const state = { EAR: { rows: [], index: 0 }, NEG: { rows: [], index: 0 } };
    const value = (id, next) => {
        const element = document.getElementById(id);
        if (element && next !== undefined) element.value = next || "";
        return element?.value || "";
    };
    const notify = (type, message, code, referenceId) =>
        window.CygnusNotifications?.show({ type, message, code, referenceId });

    function address(record) {
        return record?.residenceAddress || record?.officeAddress || "";
    }

    function render(type) {
        const group = state[type];
        const prefix = type === "EAR" ? "ear" : "neg";
        const record = group.rows[group.index];
        document.getElementById(type === "EAR" ? "efound" : "nfound").textContent =
            group.rows.length ? `(${group.index + 1} / ${group.rows.length} Match Found)` : "(No Match Found)";
        document.getElementById(type === "EAR" ? "efoundon" : "nfoundon").textContent =
            record ? `Match Found On: ${record.foundOn || ""}` : "No Match Found";
        value(`${prefix}name`, record?.customerName);
        value(`${prefix}dob`, record?.dob);
        value(`${prefix}address`, record ? address(record) : "");
        value(`${prefix}rphone`, record?.residencePhone);
        value(`${prefix}ophone`, record?.officePhone);
        value(`${prefix}mobile`, record?.mobile);
    }

    async function load() {
        const uuid = value("uuid");
        try {
            const response = await fetch(`${form.dataset.recordsUrl}?uuid=${encodeURIComponent(uuid)}`, {
                credentials: "same-origin", headers: { Accept: "application/json" }
            });
            const payload = await response.json();
            if (!response.ok || !payload.success) throw payload.message || {};
            state.EAR.rows = payload.data.filter((row) => row.dedupeType === "EAR");
            state.NEG.rows = payload.data.filter((row) => row.dedupeType === "NEG");
            render("EAR");
            render("NEG");
        } catch (error) {
            notify("danger", error.message || "Matching records could not be loaded.", error.code, error.referenceId);
        }
    }

    window.findRecord = (operation, section) => {
        const group = state[section === 1 ? "EAR" : "NEG"];
        if (!group.rows.length) return;
        if (operation === 1) group.index = 0;
        if (operation === 2) group.index = Math.max(0, group.index - 1);
        if (operation === 3) group.index = Math.min(group.rows.length - 1, group.index + 1);
        if (operation === 4) group.index = group.rows.length - 1;
        render(section === 1 ? "EAR" : "NEG");
    };

    window.addRemarks = (section, elementId) => {
        const group = state[section === 1 ? "EAR" : "NEG"];
        const record = group.rows[group.index];
        if (!record) return notify("warning", "No match found.", "DDP-4001");
        const current = value(elementId).trim();
        value(elementId, `${current}${current ? "\n\n" : ""}${record.remarks || ""}`);
    };

    window.editRemarks = (elementId, section) => {
        const group = state[section === 1 ? "EAR" : "NEG"];
        const remarks = group.rows[group.index]?.remarks;
        if (remarks && window.confirm("Remove the selected match remarks?")) {
            value(elementId, value(elementId).replace(remarks, "").trim());
        }
    };

    form.addEventListener("submit", async (event) => {
        event.preventDefault();
        const body = {
            uuid: value("uuid"), sessuuid: value("sessuuid"),
            earremarks: value("earremarks"), negremarks: value("negremarks")
        };
        try {
            const response = await fetch(form.action, {
                method: "POST", credentials: "same-origin",
                headers: { "Content-Type": "application/json", Accept: "application/json" },
                body: JSON.stringify(body)
            });
            const payload = await response.json();
            if (!response.ok || !payload.success) throw payload.message || {};
            notify("success", payload.message.message, payload.message.code);
            window.setTimeout(() => window.MatrixDialog?.close(1), 300);
        } catch (error) {
            notify("danger", error.message || "Dedupe details could not be saved.", error.code, error.referenceId);
        }
    });

    load();
})();