Create prompt_builder.py

prompt_builder.py

@@ -0,0 +1,48 @@
+def calculate_bmi(weight, height):
+    height_m = height / 100
+    return weight / (height_m ** 2)
+
+def bmi_category(bmi):
+    if bmi < 18.5:
+        return "Underweight"
+    elif bmi < 25:
+        return "Normal Weight"
+    elif bmi < 30:
+        return "Overweight"
+    else:
+        return "Obese"
+
+
+def build_prompt(name, gender, height, weight, goal, fitness_level, equipment):
+
+    bmi = calculate_bmi(weight, height)
+    bmi_status = bmi_category(bmi)
+
+    equipment_list = ", ".join(equipment) if equipment else "No Equipment"
+
+    prompt = f"""
+You are a certified professional fitness trainer.
+
+Create a structured 5-day personalized workout plan.
+
+User Profile:
+- Name: {name}
+- Gender: {gender}
+- Height: {height} cm
+- Weight: {weight} kg
+- BMI: {bmi:.2f} ({bmi_status})
+- Goal: {goal}
+- Fitness Level: {fitness_level}
+- Available Equipment: {equipment_list}
+
+Instructions:
+1. Divide clearly into Day 1 to Day 5.
+2. Include exercise name.
+3. Include sets and reps.
+4. Include rest period.
+5. Adjust intensity based on BMI category.
+6. Avoid unsafe exercises for beginners.
+7. Keep the plan professional and easy to follow.
+"""
+
+    return prompt, bmi, bmi_status