<cfsetting showdebugoutput="false">
<cfsetting enablecfoutputonly="true">
<cfcontent type="application/json; charset=utf-8" reset="true">

<cfscript>
// Search users by phone, email, or username
// Input: Query (search term)
// Output: { OK: true, USERS: [...] }

function apiAbort(required struct payload) {
    writeOutput(serializeJSON(payload));
    abort;
}

function readJsonBody() {
    var raw = getHttpRequestData().content;
    if (isNull(raw)) raw = "";
    if (!len(trim(raw))) return {};
    try {
        var data = deserializeJSON(raw);
        if (isStruct(data)) return data;
    } catch (any e) {}
    return {};
}

try {
    data = readJsonBody();
    query = structKeyExists(data, "Query") ? trim(data.Query) : "";
    currentUserId = val(structKeyExists(data, "CurrentUserID") ? data.CurrentUserID : 0);

    if (len(query) < 3) {
        apiAbort({ "OK": true, "USERS": [], "MESSAGE": "Query must be at least 3 characters" });
    }

    // Search by phone, email, or first/last name
    // Exclude the current user from results
    searchTerm = "%" & query & "%";

    qUsers = queryExecute("
        SELECT
            u.ID,
            u.FirstName,
            u.LastName,
            u.EmailAddress,
            u.ContactNumber,
            u.ImageExtension
        FROM Users u
        WHERE u.ID != :currentUserId
          AND (
            u.ContactNumber LIKE :searchTerm
            OR u.EmailAddress LIKE :searchTerm
            OR u.FirstName LIKE :searchTerm
            OR u.LastName LIKE :searchTerm
            OR CONCAT(u.FirstName, ' ', u.LastName) LIKE :searchTerm
          )
        ORDER BY u.FirstName, u.LastName
        LIMIT 10
    ", {
        currentUserId: { value: currentUserId, cfsqltype: "cf_sql_integer" },
        searchTerm: { value: searchTerm, cfsqltype: "cf_sql_varchar" }
    }, { datasource: "payfrit" });

    users = [];
    for (user in qUsers) {
        // Mask phone number for privacy (show last 4 digits only)
        maskedPhone = "";
        if (len(trim(user.ContactNumber)) >= 4) {
            maskedPhone = "***-***-" & right(user.ContactNumber, 4);
        }

        arrayAppend(users, {
            "UserID": user.ID,
            "Name": trim(user.FirstName & " " & user.LastName),
            "Email": user.EmailAddress,
            "Phone": maskedPhone,
            "AvatarUrl": len(trim(user.ImageExtension)) ? application.baseUrl & "/uploads/users/" & user.ID & "." & user.ImageExtension : ""
        });
    }

    apiAbort({
        "OK": true,
        "USERS": users,
        "COUNT": arrayLen(users)
    });

} catch (any e) {
    apiAbort({
        "OK": false,
        "ERROR": "server_error",
        "MESSAGE": e.message
    });
}
</cfscript>
