#include <gtest/gtest.h>

#include <memory>
#include <string>

#include "api/Api3dRepository.hpp"
#include "geo/GeoLocalFrame.hpp"
#include "repo/I3dSceneRepository.hpp"
#include "repo/IAsyncDatasetRepository.hpp"
#include "repo/LocalSample3dRepository.hpp"
#include "repo/LocalSampleRepository.hpp"
#include "repo/VolumeBuildParams.hpp"

using namespace geopro::data;

static const std::string kDir =
    "D:/Git/lanbingtech/geopro/docs/剖面网格数据的色阶数据2等文件/";
static const std::string kCrs = "EPSG:4547";

namespace {
DsRow rowWith(const std::string& ddCode) {
    DsRow r;
    r.ddCode = ddCode;
    return r;
}
}  // namespace

// dimensionOf：各 ddCode → 维度映射（同步纯函数，spec §6.1）。
TEST(LocalSample3dRepo, DimensionOfMapsDdCode) {
    LocalSampleRepository base(kDir);
    LocalSample3dRepository repo(base, kCrs, 22.0, 114.0);

    EXPECT_EQ(repo.dimensionOf(rowWith("dd_voxel")), DsDimension::Dim3D);
    EXPECT_EQ(repo.dimensionOf(rowWith("dd_Structual3D")), DsDimension::Dim3D);
    EXPECT_EQ(repo.dimensionOf(rowWith("dd_Property3D")), DsDimension::Dim3D);
    EXPECT_EQ(repo.dimensionOf(rowWith("dd_section")), DsDimension::Dim3D);
    EXPECT_EQ(repo.dimensionOf(rowWith("dd_inversion_data")), DsDimension::Dim3D);
    EXPECT_EQ(repo.dimensionOf(rowWith("dd_slice")), DsDimension::Analysis3D);
    EXPECT_EQ(repo.dimensionOf(rowWith("dd_trajectory_data")), DsDimension::Dim2D);
    EXPECT_EQ(repo.dimensionOf(rowWith("dd_unknown_xyz")), DsDimension::Other);
}

// loadVolume：回调收到有效 VolumeGrid（nx>0 且 vmax>vmin），需 PROJ_DATA。
TEST(LocalSample3dRepo, LoadVolumeCallsBackWithValidGrid) {
    LocalSampleRepository base(kDir);
    LocalSample3dRepository repo(base, kCrs, 22.0, 114.0);

    bool ok = false;
    std::string err;
    VolumeGrid got;
    repo.loadVolume("voxel1",
                    [&](VolumeGrid g, geopro::core::ColorScale) { ok = true; got = std::move(g); },
                    [&](const std::string& m) { err = m; });

    ASSERT_TRUE(ok) << "loadVolume onErr: " << err;
    EXPECT_GT(got.vol.nx(), 0);
    EXPECT_GT(got.vol.ny(), 0);
    EXPECT_GT(got.vol.nz(), 0);
    EXPECT_GT(got.vmax, got.vmin);
    EXPECT_TRUE(got.valid());
}

// loadTerrainPaths：回调收到 dem/image 绝对路径（非空）。
TEST(LocalSample3dRepo, LoadTerrainPathsCallsBack) {
    LocalSampleRepository base(kDir);
    LocalSample3dRepository repo(base, kCrs, 22.0, 114.0);

    bool ok = false;
    TerrainPaths got;
    repo.loadTerrainPaths([&](TerrainPaths p) { ok = true; got = std::move(p); },
                          [&](const std::string&) {});

    ASSERT_TRUE(ok);
    EXPECT_FALSE(got.demPath.empty());
    EXPECT_FALSE(got.imagePath.empty());
}

namespace {
// 极简桩：volumeInfo/createVolume 不触碰 dsRepo_，loadAsync 直接回空。
struct StubAsyncRepo : IAsyncDatasetRepository {
    DetailLoad* loadAsync(const std::string&, const std::string&, int, int) override {
        return nullptr;
    }
};
}  // namespace

// volumeInfo：createVolume 后、loadVolume 前 → 返回 true，参数/名称正确，loaded=false、无测点数。
TEST(Api3dRepo, VolumeInfoBeforeLoad) {
    StubAsyncRepo dsRepo;
    auto frame = std::make_shared<geopro::core::GeoLocalFrame>(22.0, 114.0);
    Api3dRepository repo(dsRepo, frame);

    VolumeBuildParams p;
    p.sourceDatasetIds = {"src-a", "src-b"};
    p.interpModel = VolumeBuildParams::Model::Idw;
    p.cellXY = 2.0;
    p.cellZ = 0.5;
    p.power = 3.0;
    p.maxDist = 5.0;
    p.colorScaleId = "src-a";
    const std::string id = repo.createVolume(p, "体A");

    Api3dRepository::VolumeInfo info;
    ASSERT_TRUE(repo.volumeInfo(id, info));
    EXPECT_EQ(info.name, "体A");
    EXPECT_FALSE(info.loaded);
    EXPECT_EQ(info.pointCount, 0u);
    ASSERT_EQ(info.params.sourceDatasetIds.size(), 2u);
    EXPECT_EQ(info.params.sourceDatasetIds[0], "src-a");
    EXPECT_DOUBLE_EQ(info.params.cellXY, 2.0);
    EXPECT_DOUBLE_EQ(info.params.power, 3.0);
    EXPECT_DOUBLE_EQ(info.params.maxDist, 5.0);
    EXPECT_EQ(info.params.colorScaleId, "src-a");
}

// volumeInfo：未知 dsId（非三维体）→ 返回 false，不弹空对话框。
TEST(Api3dRepo, VolumeInfoUnknownIdReturnsFalse) {
    StubAsyncRepo dsRepo;
    auto frame = std::make_shared<geopro::core::GeoLocalFrame>(22.0, 114.0);
    Api3dRepository repo(dsRepo, frame);

    Api3dRepository::VolumeInfo info;
    EXPECT_FALSE(repo.volumeInfo("not-a-volume", info));
}