app.py

import streamlit as st
from grooq import Translator  # Grooq translation API
from pvlib import location
import pandas as pd
import numpy as np

# Grooq Translator setup
translator = Translator(api_key="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")  # Replace with your actual API key

# Function to handle translation
def translate(text, language):
    return translator.translate(text, target_language=language)

# Set up the app
st.set_page_config(page_title="Solar System Designer", layout="centered", initial_sidebar_state="expanded")

# Language selection
languages = {"English": "en", "French": "fr", "Spanish": "es", "German": "de", "Chinese": "zh"}
selected_language = st.sidebar.selectbox("Select Language", options=list(languages.keys()))
lang_code = languages[selected_language]

# Title
st.title(translate("Solar System Designer", lang_code))

# Solar panel options
solar_panels = {
    "300W": 300,
    "400W": 400,
    "550W": 550
}
selected_panel = st.selectbox(translate("Select Solar Panel Capacity", lang_code), options=list(solar_panels.keys()))
panel_capacity = solar_panels[selected_panel]

# Battery options
battery_types = {"Lithium-Ion": 95, "Lead-Acid": 80}  # Efficiency ratings
selected_battery = st.selectbox(translate("Select Battery Type", lang_code), options=list(battery_types.keys()))
battery_efficiency = battery_types[selected_battery]

battery_voltages = [12, 24, 48]
selected_voltage = st.selectbox(translate("Select Battery Voltage", lang_code), options=battery_voltages)

# Appliance data input
st.subheader(translate("Enter Appliance Details", lang_code))
appliances = []

if "appliance_list" not in st.session_state:
    st.session_state["appliance_list"] = []

appliance_name = st.text_input(translate("Appliance Name", lang_code))
appliance_power = st.number_input(translate("Power (Watts)", lang_code), min_value=1)
appliance_hours = st.number_input(translate("Usage Hours per Day", lang_code), min_value=1)

if st.button(translate("Add Appliance", lang_code)):
    st.session_state["appliance_list"].append({
        "name": appliance_name,
        "power": appliance_power,
        "hours": appliance_hours
    })

if st.session_state["appliance_list"]:
    st.table(st.session_state["appliance_list"])

# Calculate system recommendations
if st.button(translate("Calculate Recommendations", lang_code)):
    total_load = sum([a["power"] * a["hours"] for a in st.session_state["appliance_list"]])
    st.write(translate(f"Total Load in Watts: {total_load}", lang_code))

    # Solar panels required
    panels_required = np.ceil(total_load / (panel_capacity * 5))  # Assuming 5 peak sunlight hours
    st.write(translate(f"Solar Panels Required: {panels_required}", lang_code))

    # Battery capacity required
    battery_capacity = np.ceil((total_load / battery_efficiency) / selected_voltage)
    st.write(translate(f"Batteries Required: {battery_capacity} (Ah)", lang_code))

    # Suggestions
    st.subheader(translate("System Design Suggestions", lang_code))
    suggestions = [
        "Consider using MPPT charge controllers for better efficiency.",
        "Ensure panels are installed at the optimal tilt angle for your location.",
        "Use high-quality cables to minimize energy losses.",
        "Regularly clean solar panels to maintain performance.",
        "Consider hybrid inverters for grid and off-grid compatibility.",
        "Allow space for future system expansion.",
        "Invest in reliable surge protection devices.",
        "Ensure batteries are stored in a cool, ventilated area.",
    ]
    for suggestion in suggestions:
        st.write(translate(suggestion, lang_code))