#include "vkvg.h"
#include <gtest/gtest.h>
#include "unitTest.h"

TEST(MatrixTest, MatixInit) {
    vkvg_matrix_t mat = {1, 0, 0, 1, 0, 0};
    CHECK_MAT(1, 0, 0, 1, 0, 0);

    vkvg_matrix_init_identity(&mat);
    CHECK_MAT(1, 0, 0, 1, 0, 0);

    vkvg_matrix_init(&mat, 1.3f, 2.5f, 0.3f, 0.7f, 1.2f, 1.7f);
    CHECK_MAT(1.3f, 2.5f, 0.3f, 0.7f, 1.2f, 1.7f);

    float a, b;

    vkvg_matrix_init_translate(&mat, 1.3f, 2.5f);
    CHECK_MAT(1, 0, 0, 1, 1.3f, 2.5f);

    vkvg_matrix_init_scale(&mat, 2.1f, 1.5f);
    CHECK_MAT(2.1f, 0, 0, 1.5f, 0, 0);
    vkvg_matrix_get_scale(&mat, &a, &b);
    EXPECT_FLOAT_EQ(a, 2.1f);
    EXPECT_FLOAT_EQ(b, 1.5f);

    vkvg_matrix_init_rotate(&mat, 2.f);
    CHECK_MAT(cosf(2.f), sinf(2.f), -sinf(2.f), cosf(2.f), 0, 0);
}

TEST(MatrixTest, MatixOperation) {
    vkvg_matrix_t mat = {0, 0, 0, 0, 0, 0};
    // TODO
}
TEST(MatrixTest, MatixIvert) {
    vkvg_matrix_t mat = {0, 0, 0, 0, 0, 0};
    vkvg_status_t res = vkvg_matrix_invert(&mat);
    EXPECT_EQ(res, VKVG_STATUS_INVALID_MATRIX);

    mat = {1, 1, 0, 0, 0, 0};
    res = vkvg_matrix_invert(&mat);
    EXPECT_EQ(res, VKVG_STATUS_INVALID_MATRIX);

    mat = {1, 0, 0, 1, 0, 0};
    res = vkvg_matrix_invert(&mat);
    EXPECT_EQ(res, VKVG_STATUS_SUCCESS);
    CHECK_MAT(1, 0, 0, 1, 0, 0);

    vkvg_matrix_init_scale(&mat, 2.1f, 1.5f);
    res = vkvg_matrix_invert(&mat);
    EXPECT_EQ(res, VKVG_STATUS_SUCCESS);
    CHECK_MAT(1.f / 2.1f, 0, 0, 1.f / 1.5f, 0, 0);

    vkvg_matrix_init_translate(&mat, 2.1f, 1.5f);
    res = vkvg_matrix_invert(&mat);
    EXPECT_EQ(res, VKVG_STATUS_SUCCESS);
    CHECK_MAT(1, 0, 0, 1, -2.1f, -1.5f);

    vkvg_matrix_init_rotate(&mat, 2.f);
    res = vkvg_matrix_invert(&mat);
    EXPECT_EQ(res, VKVG_STATUS_SUCCESS);
    CHECK_MAT(cosf(2.f), -sinf(2.f), sinf(2.f), cosf(2.f), 0, 0);
}