import requests
import urllib.parse
import gradio as gr

# List of 20 phone numbers (SIMs) installed in GPS trackers
SIM_NUMBERS = [
    "94757271180", "94758339857", "94758529725", "94753670267", "94758620601",
    "94750413297", "94759371051", "94754240229", "94752570494", "94758713293",
    "94753740267", "94751240524", "94754740373", "94750731994", "94758770643",
    "94757634250", "94752313312", "94755872071", "94750472110", "94755872055"
]

# File that contains 1000 IMEI numbers
IMEI_FILE = "imei.txt"

# Function to read IMEIs from file
def read_imei_file():
    with open(IMEI_FILE, "r") as file:
        imei_list = [line.strip() for line in file if line.strip()]
    return imei_list

# Function to update the IMEI file after successful updates
def remove_processed_imeis(processed_imeis):
    imei_list = read_imei_file()
    remaining_imeis = [imei for imei in imei_list if imei not in processed_imeis]
    
    with open(IMEI_FILE, "w") as file:
        for imei in remaining_imeis:
            file.write(f"{imei}\n")
    
    return f"Successfully processed and removed {len(processed_imeis)} IMEIs from file."

# Function to send SMS and check delivery
def send_sms_and_check_delivery(user_id, password, recipient, message):
    base_url = "https://www.textit.biz/sendmsg/index.php"
    encoded_message = urllib.parse.quote(message)  # URL encode the message
    params = {
        "id": user_id,
        "pw": password,
        "to": recipient,
        "text": encoded_message
    }

    try:
        response = requests.get(base_url, params=params)
        response_text = response.text.strip()
        if response_text.startswith("OK"):
            return f"Message to {recipient} sent successfully."
        else:
            return f"Failed to deliver message to {recipient}. Error: {response_text}"
    except Exception as e:
        return f"Error sending SMS to {recipient}: {e}"

# Function to process IMEI update in batches of 20
def process_imei_batches(user_id, password):
    imeis = read_imei_file()
    
    if len(imeis) == 0:
        return "No IMEIs left to process. Exiting."

    batch_size = len(SIM_NUMBERS)
    logs = []

    for i in range(0, len(imeis), batch_size):
        batch_imeis = imeis[i:i + batch_size]
        logs.append("\nProcessing next batch of 20 IMEIs...")

        processed_imeis = []
        for sim, imei in zip(SIM_NUMBERS, batch_imeis):
            logs.append(f"\nSending CHECK# command to SIM: {sim}")
            if "successfully" in send_sms_and_check_delivery(user_id, password, sim, "CHECK#"):
                imei_write_command = f"IMEI,{imei}#"
                logs.append(f"Sending IMEI write command: {imei_write_command} to SIM: {sim}")

                if "successfully" in send_sms_and_check_delivery(user_id, password, sim, imei_write_command):
                    processed_imeis.append(imei)
                    logs.append(f"IMEI {imei} written successfully to {sim}")
                else:
                    logs.append(f"Failed to write IMEI {imei} to {sim}")
            else:
                logs.append(f"CHECK# command failed for {sim}, skipping IMEI update.")
        
        # Remove successfully processed IMEIs from the file
        if processed_imeis:
            logs.append(remove_processed_imeis(processed_imeis))

        logs.append("\nPress the button to proceed with the next 20 IMEIs after changing SIM cards.")
        break

    return "\n".join(logs)

# Gradio UI function
def start_imei_processing(user_id, password):
    if not user_id or not password:
        return "Error: Please enter both User ID and Password."
    
    return process_imei_batches(user_id, password)

# Gradio interface with submit button
iface = gr.Interface(
    fn=start_imei_processing,
    inputs=[
        gr.Textbox(label="User ID (Phone Number in International Format)", type="text"),
        gr.Textbox(label="Password (4-digit)", type="password")
    ],
    outputs="text",
    title="GPS Tracker IMEI Writer",
    description="Enter your User ID and Password to start processing IMEI numbers. Click the button below to proceed.",
    allow_flagging="never"
)

iface.launch(share=True)