"""PASSIVE + nabíjení z PV přebytku při současném exportu → nenulový nabíjecí proud."""

from __future__ import annotations

import unittest

from services.control.setpoints import deye_battery_charge_discharge_amps


class PassivePvSurplusChargeAmpsTests(unittest.TestCase):
    def test_passive_charge_while_exporting_grid_negative(self) -> None:
        ch, dis = deye_battery_charge_discharge_amps(
            lock_battery=False,
            deye_mode="PASSIVE",
            self_sustain_local_use=False,
            bat_w=5000,
            grid_w=-2000,
            max_charge_a=100,
            max_discharge_a=100,
        )
        self.assertGreater(ch, 0)
        self.assertEqual(dis, 0)

    def test_passive_zero_export_still_zero_charge_when_no_battery_charge(self) -> None:
        ch, dis = deye_battery_charge_discharge_amps(
            lock_battery=False,
            deye_mode="PASSIVE",
            self_sustain_local_use=False,
            bat_w=0,
            grid_w=-2000,
            max_charge_a=100,
            max_discharge_a=100,
        )
        self.assertEqual(ch, 0)
        self.assertEqual(dis, 100)

    def test_sell_unchanged(self) -> None:
        ch, dis = deye_battery_charge_discharge_amps(
            lock_battery=False,
            deye_mode="SELL",
            self_sustain_local_use=False,
            bat_w=-3000,
            grid_w=-2000,
            max_charge_a=100,
            max_discharge_a=80,
        )
        self.assertEqual(ch, 0)
        self.assertEqual(dis, 80)


if __name__ == "__main__":
    unittest.main()