async function generateAIReport(button) {
    const modal = button.closest(".modal");
    const symptomsEditor = $(modal.querySelector('textarea[name="symptoms"]'));
    const diagnosisEditor = $(modal.querySelector('textarea[name="diagnosis"]'));
    const treatmentPlanEditor = $(modal.querySelector('textarea[name="treatment_plan"]'));

    const symptomsText = symptomsEditor.length && symptomsEditor.summernote ? symptomsEditor.summernote('code') : (modal.querySelector('textarea[name="symptoms"]') ? modal.querySelector('textarea[name="symptoms"]').value : '');
    const diagnosisText = diagnosisEditor.length && diagnosisEditor.summernote ? diagnosisEditor.summernote('code') : (modal.querySelector('textarea[name="diagnosis"]') ? modal.querySelector('textarea[name="diagnosis"]').value : '');

    // Check if actually empty beyond HTML tags
    const cleanSymptoms = symptomsText.replace(/<[^>]*>/g, "").trim();
    const cleanDiagnosis = diagnosisText.replace(/<[^>]*>/g, "").trim();

    if (!cleanSymptoms && !cleanDiagnosis) {
         alert("Please enter symptoms or diagnosis first.");
         return;
    }

    const originalHTML = button.innerHTML;
    button.disabled = true;
    button.innerHTML = '<span class="spinner-border spinner-border-sm me-1"></span> AI generating...';

    try {
        const response = await fetch("api/ai_report.php", {
            method: "POST",
            headers: { "Content-Type": "application/json" },
            body: JSON.stringify({ symptoms: symptomsText, diagnosis: diagnosisText })
        });
        const data = await response.json();

        if (data.success) {
            if (treatmentPlanEditor.length && treatmentPlanEditor.summernote) {
                treatmentPlanEditor.summernote('code', data.report);
            } else {
                modal.querySelector('textarea[name="treatment_plan"]').value = data.report;
            }
        } else {
            alert("AI Error: " + (data.error || "Unknown error"));
        }
    } catch (error) {
        console.error("AI Report generation failed:", error);
        alert("Failed to generate AI suggestion.");
    } finally {
        button.disabled = false;
        button.innerHTML = originalHTML;
    }
}