import gradio as gr
import csv
import os

def calculate_bmi(name, age, weight, height):
    try:
        age = int(age)
        weight = float(weight)
        height = float(height)

        bmi = weight / (height ** 2)

        if bmi < 18.5:
            status = "Underweight"
            advice = "Consider a balanced diet to gain healthy weight."
        elif 18.5 <= bmi < 25:
            status = "Normal weight"
            advice = "Great! Maintain your healthy lifestyle."
        elif 25 <= bmi < 30:
            status = "Overweight"
            advice = "Try regular exercise and a balanced diet."
        else:
            status = "Obese"
            advice = "Consult a healthcare professional for guidance."

        # حفظ البيانات في ملف CSV
        with open("bmi_records.csv", mode="a", newline="") as file:
            writer = csv.writer(file)
            writer.writerow([name, age, weight, height, round(bmi, 2), status])

        return f"""✅ Name: {name}, Age: {age}
📊 BMI: {bmi:.2f}
📌 Status: {status}
💡 Advice: {advice}"""

    except ValueError:
        return "⚠ Please enter valid numbers!"

def view_records():
    if not os.path.exists("bmi_records.csv"):
        return "⚠ No records found. Please calculate BMI first."

    table = "Name | Age | Weight | Height | BMI | Status\n"
    table += "-"*50 + "\n"
    with open("bmi_records.csv", mode="r") as file:
        reader = csv.reader(file)
        for row in reader:
            table += " | ".join(row) + "\n"
    return table

with gr.Blocks() as demo:
    gr.Markdown("## 💪 BMI Calculator - Alaa")

    with gr.Row():
        name = gr.Textbox(label="Name")
        age = gr.Number(label="Age", value=20)

    with gr.Row():
        weight = gr.Number(label="Weight (kg)", value=70)
        height = gr.Number(label="Height (m)", value=1.70)

    output = gr.Textbox(label="Result")

    btn_calc = gr.Button("Calculate BMI")
    btn_view = gr.Button("View Records")

    btn_calc.click(fn=calculate_bmi, inputs=[name, age, weight, height], outputs=output)
    btn_view.click(fn=view_records, inputs=None, outputs=output)

demo.launch()