#include <gtest/gtest.h>
#include "designer-engine/DesignerEngine.h"

using namespace Warfactory::Designer;

class DesignerEngineAPITest : public ::testing::Test {
protected:
    void SetUp() override {
        engine = std::make_unique<DesignerEngine>();
        ASSERT_TRUE(engine->initialize());
    }

    void TearDown() override {
        engine->shutdown();
    }

    std::unique_ptr<DesignerEngine> engine;
};

TEST_F(DesignerEngineAPITest, GlobalDesignRate) {
    // Test 1-2 designs globally per tick (not per company)
    auto design1 = engine->createDesign("tank");
    auto design2 = engine->createDesign("apc");

    // Should not exceed global rate limit
    EXPECT_LE(engine->getDesignRate(), 2.0);
}

TEST_F(DesignerEngineAPITest, DesignEvolution) {
    // Test evolution vs creation from scratch (T-72 → T-80 → T-90)
    auto baseDesign = engine->createDesign("T-72");
    ASSERT_NE(baseDesign, nullptr);

    // TODO: Test evolution to T-80 based on T-72
    // TODO: Verify evolved design inherits base characteristics
}

TEST_F(DesignerEngineAPITest, ComponentValidation) {
    // Test design validation with constraints
    auto design = engine->createDesign("custom_tank");

    // TODO: Add components to grid
    // TODO: Test validation fails for invalid configurations
    // TODO: Test validation passes for valid configurations

    engine->validateDesign(*design);
}

TEST_F(DesignerEngineAPITest, CulturalBlueprints) {
    // Test cultural blueprints influence design generation
    // TODO: Set cultural preferences (Soviet, NATO, etc.)
    // TODO: Verify designs match cultural characteristics
}