AI and Pathfinding

package com.example.tests;

import com.frotty27.hrtk.api.annotation.EcsTest;
import com.frotty27.hrtk.api.annotation.HytaleSuite;
import com.frotty27.hrtk.api.annotation.WorldTest;
import com.frotty27.hrtk.api.annotation.Tag;
import com.frotty27.hrtk.api.annotation.DisplayName;
import com.frotty27.hrtk.api.annotation.Order;
import com.frotty27.hrtk.api.assert_.AIAssert;
import com.frotty27.hrtk.api.assert_.HytaleAssert;
import com.frotty27.hrtk.api.assert_.PathfindingAssert;
import com.frotty27.hrtk.api.context.EcsTestContext;
import com.frotty27.hrtk.api.context.WorldTestContext;
import com.frotty27.hrtk.api.lifecycle.IsolationStrategy;

@HytaleSuite(value = "AI Surface Tests", isolation = IsolationStrategy.DEDICATED_WORLD)
@Tag("ai")
public class AISurfaceTests {

    @WorldTest
    @Order(1)
    @DisplayName("Spawned NPC has active AI")
    void spawnedNPCHasActiveAI(WorldTestContext ctx) {
        // Spawn a fully initialized NPC - it should have AI components.
        Object entity = ctx.spawnNPC("Trork_Warrior", 10, 64, 10);
        ctx.waitTicks(2);

        Object store = ctx.getStore();

        // assertAIActive checks if the entity's StateEvaluator component is active.
        // This confirms the NPC is making decisions and processing AI logic.
        AIAssert.assertAIActive(store, entity);
    }

    @EcsTest
    @Order(2)
    @DisplayName("Pathfinding classes are available on the server")
    void pathfindingAvailable(EcsTestContext ctx) {
        // assertPathfindingAvailable checks that the AStar pathfinding classes
        // exist on the classpath. If they are missing, NPCs cannot navigate.
        PathfindingAssert.assertPathfindingAvailable();
    }

    @EcsTest
    @Order(3)
    @DisplayName("StateEvaluator class is available on the classpath")
    void stateEvaluatorAvailable(EcsTestContext ctx) {
        // This is a precondition check - if the StateEvaluator class is missing,
        // no AI assertions will work.
        HytaleAssert.assertTrue(
            "StateEvaluator class should be available",
            AITestAdapter.stateEvaluatorClassAvailable()
        );
    }

    @WorldTest
    @Order(4)
    @DisplayName("Trork_Warrior has active AI after spawn")
    void trorkWarriorAIActive(WorldTestContext ctx) {
        Object entity = ctx.spawnNPC("Trork_Warrior", 20, 64, 20);
        ctx.waitTicks(2);

        AIAssert.assertAIActive(ctx.getStore(), entity);
    }
}