package power;

import mindustry.content.*;
import mindustry.type.*;
import mindustry.world.*;
import mindustry.world.blocks.power.PowerGenerator.*;
import mindustry.world.blocks.power.*;
import mindustry.world.blocks.production.*;
import org.junit.jupiter.api.*;

import static org.junit.jupiter.api.Assertions.*;

/** Tests for direct power consumers. */
public class DirectConsumerTests extends PowerTestFixture{

    @Test
    void noPowerRequestedWithNoItems(){
        testUnitFactory(0, 0, 0.08f, 0.08f, 1f);
    }

    @Test
    void noPowerRequestedWithInsufficientItems(){
        testUnitFactory(30, 0, 0.08f, 0.08f, 1f);
        testUnitFactory(0, 30, 0.08f, 0.08f, 1f);
    }

    @Test
    void powerRequestedWithSufficientItems(){
        testUnitFactory(30, 30, 0.08f, 0.08f, 1.0f);
    }

    static int fakes = 0;
    void testUnitFactory(int siliconAmount, int leadAmount, float producedPower, float requestedPower, float expectedSatisfaction){
        Tile ct = createFakeTile(0, 0, new GenericCrafter("fakefactory" + (fakes ++)){{
            hasPower = true;
            hasItems = true;
            consumePower(requestedPower);
            consumeItems(new ItemStack(Items.silicon, 30), new ItemStack(Items.lead, 30));
        }});
        ct.block().init();
        ct.build.items.add(Items.silicon, siliconAmount);
        ct.build.items.add(Items.lead, leadAmount);

        Tile producerTile = createFakeTile(2, 0, createFakeProducerBlock(producedPower));
        ((GeneratorBuild)producerTile.build).productionEfficiency = 1f;

        PowerGraph graph = new PowerGraph();
        graph.add(producerTile.build);
        graph.add(ct.build);

        ct.build.update();
        graph.update();

        assertEquals(expectedSatisfaction, ct.build.power.status);
    }
}