import gradio as gr
import csv
import os

FILE = "reports.csv"

def init_file():
    if not os.path.exists(FILE):
        with open(FILE, 'w', newline='') as file:
            writer = csv.writer(file)
            writer.writerow(["Report ID", "Patient", "Report Type", "Details"])

def write_report(patient, rtype, details):
    init_file()
    with open(FILE, 'r') as file:
        rows = list(csv.reader(file))
    idx = len(rows)
    with open(FILE, 'a', newline='') as file:
        writer = csv.writer(file)
        writer.writerow([idx, patient, rtype, details])
    return f"✅ Report #{idx} added for {patient}"

def gradio_interface():
    init_file()
    with gr.Blocks() as demo:
        gr.Markdown("## 📤 Add Medical Report")
        pat = gr.Textbox(label="Patient")
        typ = gr.Textbox(label="Report Type")
        det = gr.Textbox(label="Details")
        res = gr.Textbox(label="Result")
        gr.Button("Upload").click(fn=write_report, inputs=[pat, typ, det], outputs=res)
    return demo