#include "BaseTestCase.h"

#include "Layers.h"
#include "PackStream.h"

DefinitionNode *_construc1(Layers *) {
    return new DefinitionNode(NULL, "test");
}

DefinitionNode *_construc2(Layers *parent) {
    DefinitionNode *result = new DefinitionNode(parent, "test");
    return result;
}

TEST(Layers, Constructor) {
    Layers layers1(NULL, "test", _construc1);
    EXPECT_EQ(0, layers1.count());
}

TEST(Layers, NullLayer) {
    Layers layers1(NULL, "test", _construc1);

    for (int i = -2; i < 5; i++) {
        DefinitionNode *layer = layers1.getLayer(0);
        EXPECT_NE((DefinitionNode *)NULL, layer);

        EXPECT_EQ(NULL, layer->getParent());
        EXPECT_EQ(layer, layer->getRoot());

        EXPECT_EQ("test", layer->getName());
    }

    EXPECT_EQ(0, layers1.count());
}

TEST(Layers, copy) {
    Layers layers1(NULL, "test", _construc2);
    layers1.addLayer();
    EXPECT_EQ(1, layers1.count());

    // Copy with the same constructor
    Layers layers2(NULL, "test", _construc2);
    EXPECT_EQ(0, layers2.count());
    layers1.copy(&layers2);
    EXPECT_EQ(1, layers2.count());
    EXPECT_EQ("test", layers1.getLayer(0)->getName());
    EXPECT_EQ(&layers1, layers1.getLayer(0)->getParent());
    EXPECT_EQ("test", layers2.getLayer(0)->getName());
    EXPECT_EQ(&layers2, layers2.getLayer(0)->getParent());
    EXPECT_NE(layers1.getLayer(0), layers2.getLayer(0));
}

TEST(Layers, maxLayerCount) {
    Layers layers1(NULL, "test", _construc1);
    layers1.setMaxLayerCount(2);

    EXPECT_EQ(0, layers1.count());
    layers1.addLayer();
    EXPECT_EQ(1, layers1.count());
    layers1.addLayer();
    EXPECT_EQ(2, layers1.count());
    layers1.addLayer();
    EXPECT_EQ(2, layers1.count());
    layers1.addLayer();
    EXPECT_EQ(2, layers1.count());
    layers1.removeLayer(0);
    EXPECT_EQ(1, layers1.count());
    layers1.addLayer();
    EXPECT_EQ(2, layers1.count());
    layers1.addLayer();
    EXPECT_EQ(2, layers1.count());
}

TEST(Layers, saveLoad) {
    PackStream *stream;

    Layers layers1(NULL, "test", _construc1);
    layers1.addLayer();
    layers1.addLayer();
    ASSERT_EQ(2, layers1.count());
    layers1.getLayer(0)->setName("first");
    layers1.getLayer(1)->setName("second");

    stream = new PackStream();
    stream->bindToFile("/tmp/test_paysages_pack", true);
    layers1.save(stream);
    delete stream;

    Layers layers2(NULL, "test", _construc1);

    stream = new PackStream();
    stream->bindToFile("/tmp/test_paysages_pack");
    layers2.load(stream);
    delete stream;

    ASSERT_EQ(2, layers2.count());
    EXPECT_EQ("first", layers2.getLayer(0)->getName());
    EXPECT_EQ("second", layers2.getLayer(1)->getName());
}