# sender/generator.py — generates realistic solar sensor data strings

import random
import time


DOOR_STATES = ["OPEN", "CLOSE"]


def generate_data(device_id: str) -> str:
    
    ts   = int(time.time())
    sv   = round(random.uniform(40.0, 55.0), 1)
    si   = round(random.uniform(0.0, 40.0), 1)
    sp   = random.randint(0, 2200)
    bv   = round(random.uniform(44.0, 58.0), 2)
    bcur = round(random.uniform(-30.0, 30.0), 1)
    bsoc = random.randint(0, 100)
    bsoh = random.randint(80, 100)
    bt   = round(random.uniform(10.0, 50.0), 1)
    at   = round(random.uniform(15.0, 45.0), 1)
    door = random.choice(DOOR_STATES)

    message = (
        f"ID={device_id},"
        f"TS={ts},"
        f"SV={sv},"
        f"SI={si},"
        f"SP={sp},"
        f"BV={bv},"
        f"BCUR={bcur},"
        f"BSOC={bsoc},"
        f"BSOH={bsoh},"
        f"BT={bt},"
        f"AT={at},"
        f"DOOR={door}"
        f"\0"  
    )
    return message