# Tests for smartbotic-database

# yyjson (v1.10+) — Phase A swaps nlohmann::json::parse for parse_to_nlohmann
# at hot paths in wal.cpp, snapshot.cpp, history_store.cpp, etc. Any test
# target that compiles those files now also needs json_parse.cpp linked and
# yyjson linked. Resolve once at file scope so every test target below can
# use ${yyjson_LIBRARIES} / ${yyjson_INCLUDE_DIRS}.
if(NOT yyjson_FOUND)
    find_package(PkgConfig REQUIRED)
    pkg_check_modules(yyjson REQUIRED yyjson)
endif()

# Vector storage integration test
# Compiles memory_store.cpp directly — no dependency on the full service executable.
set(TEST_VECTOR_SOURCES
    test_vector_storage.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/memory_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/config/collection_config_manager.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/history_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/wal.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/json_parse.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/doc_binary.cpp
)

add_executable(test_vector_storage ${TEST_VECTOR_SOURCES})

target_include_directories(test_vector_storage PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
)

# nlohmann/json
if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_vector_storage PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_vector_storage PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

# spdlog
if(TARGET spdlog::spdlog)
    target_link_libraries(test_vector_storage PRIVATE spdlog::spdlog)
else()
    target_link_libraries(test_vector_storage PRIVATE ${SPDLOG_LIBRARIES})
    target_include_directories(test_vector_storage PRIVATE ${SPDLOG_INCLUDE_DIRS})
endif()

# Threads (required by MemoryStore background threads)
find_package(Threads REQUIRED)
target_link_libraries(test_vector_storage PRIVATE Threads::Threads)

# yyjson (wal.cpp uses parse_to_nlohmann from v1.10+)
target_link_libraries(test_vector_storage PRIVATE ${yyjson_LIBRARIES})
target_include_directories(test_vector_storage PRIVATE ${yyjson_INCLUDE_DIRS})

# View projection unit test
set(TEST_VIEWS_SOURCES
    test_views.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/views/projection.cpp
)

add_executable(test_views ${TEST_VIEWS_SOURCES})

target_include_directories(test_views PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
)

# nlohmann/json
if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_views PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_views PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

# Per-collection timestamp precision test
set(TEST_TIMESTAMP_PRECISION_SOURCES
    test_timestamp_precision.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/memory_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/config/collection_config_manager.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/history_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/wal.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/json_parse.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/doc_binary.cpp
)

add_executable(test_timestamp_precision ${TEST_TIMESTAMP_PRECISION_SOURCES})

target_include_directories(test_timestamp_precision PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
)

if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_timestamp_precision PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_timestamp_precision PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

if(TARGET spdlog::spdlog)
    target_link_libraries(test_timestamp_precision PRIVATE spdlog::spdlog)
else()
    target_link_libraries(test_timestamp_precision PRIVATE ${SPDLOG_LIBRARIES})
    target_include_directories(test_timestamp_precision PRIVATE ${SPDLOG_INCLUDE_DIRS})
endif()

find_package(Threads REQUIRED)
target_link_libraries(test_timestamp_precision PRIVATE Threads::Threads)

# yyjson (wal.cpp uses parse_to_nlohmann from v1.10+)
target_link_libraries(test_timestamp_precision PRIVATE ${yyjson_LIBRARIES})
target_include_directories(test_timestamp_precision PRIVATE ${yyjson_INCLUDE_DIRS})

# Snapshot durability + fallback integration test
# Exercises SnapshotManager directly; pulls in memory_store.cpp, snapshot.cpp,
# and wal.cpp (for the crc32 helpers used by snapshot.cpp).
set(TEST_SNAPSHOT_DURABILITY_SOURCES
    test_snapshot_durability.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/memory_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/config/collection_config_manager.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/snapshot.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/wal.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/history_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/json_parse.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/doc_binary.cpp
)

add_executable(test_snapshot_durability ${TEST_SNAPSHOT_DURABILITY_SOURCES})

target_include_directories(test_snapshot_durability PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
)

if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_snapshot_durability PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_snapshot_durability PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

if(TARGET spdlog::spdlog)
    target_link_libraries(test_snapshot_durability PRIVATE spdlog::spdlog)
else()
    target_link_libraries(test_snapshot_durability PRIVATE ${SPDLOG_LIBRARIES})
    target_include_directories(test_snapshot_durability PRIVATE ${SPDLOG_INCLUDE_DIRS})
endif()

find_package(Threads REQUIRED)
target_link_libraries(test_snapshot_durability PRIVATE Threads::Threads)

# yyjson (wal.cpp/snapshot.cpp use parse_to_nlohmann from v1.10+)
target_link_libraries(test_snapshot_durability PRIVATE ${yyjson_LIBRARIES})
target_include_directories(test_snapshot_durability PRIVATE ${yyjson_INCLUDE_DIRS})

# LZ4 — snapshot.cpp #includes <lz4.h> unless DISABLE_LZ4 is defined, so link it.
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
    pkg_check_modules(TEST_LZ4 QUIET liblz4)
endif()
if(TEST_LZ4_FOUND)
    target_link_libraries(test_snapshot_durability PRIVATE ${TEST_LZ4_LIBRARIES})
    target_include_directories(test_snapshot_durability PRIVATE ${TEST_LZ4_INCLUDE_DIRS})
else()
    # Fallback: assume liblz4 is installed at a standard location
    target_link_libraries(test_snapshot_durability PRIVATE lz4)
endif()

# Config drop-in loader test (v1.7.0 T1 → T12)
# Exercises loadLayeredConfig() in isolation.
set(TEST_CONFIG_DROPINS_SOURCES
    test_config_dropins.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/config/config_loader.cpp
)

add_executable(test_config_dropins ${TEST_CONFIG_DROPINS_SOURCES})

target_include_directories(test_config_dropins PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
)

if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_config_dropins PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_config_dropins PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

if(TARGET spdlog::spdlog)
    target_link_libraries(test_config_dropins PRIVATE spdlog::spdlog)
else()
    target_link_libraries(test_config_dropins PRIVATE ${SPDLOG_LIBRARIES})
    target_include_directories(test_config_dropins PRIVATE ${SPDLOG_INCLUDE_DIRS})
endif()

# Eviction test (v1.7.0 T4+T5+T6 → T12)
# Exercises chunked eviction, per-collection priorities, and the hot-write
# floor directly through MemoryStore. Mirrors the link deps of test_timestamp_precision.
set(TEST_EVICTION_SOURCES
    test_eviction.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/memory_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/config/collection_config_manager.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/history_store.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/persistence/wal.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/json_parse.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/doc_binary.cpp
)

add_executable(test_eviction ${TEST_EVICTION_SOURCES})

target_include_directories(test_eviction PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
)

if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_eviction PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_eviction PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

if(TARGET spdlog::spdlog)
    target_link_libraries(test_eviction PRIVATE spdlog::spdlog)
else()
    target_link_libraries(test_eviction PRIVATE ${SPDLOG_LIBRARIES})
    target_include_directories(test_eviction PRIVATE ${SPDLOG_INCLUDE_DIRS})
endif()

find_package(Threads REQUIRED)
target_link_libraries(test_eviction PRIVATE Threads::Threads)

# yyjson (wal.cpp uses parse_to_nlohmann from v1.10+)
target_link_libraries(test_eviction PRIVATE ${yyjson_LIBRARIES})
target_include_directories(test_eviction PRIVATE ${yyjson_INCLUDE_DIRS})

# yyjson → nlohmann bridge helper test (v1.10 Phase A T2)
# Exercises parse_to_nlohmann() in isolation against nlohmann::json::parse
# for a corpus of production-shaped docs. yyjson is configured at the
# service/ scope; re-resolve it here so the test target can find it
# independently of the service build.
if(NOT yyjson_FOUND)
    find_package(PkgConfig REQUIRED)
    pkg_check_modules(yyjson REQUIRED yyjson)
endif()

add_executable(test_json_parse
    test_json_parse.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/json_parse.cpp
)

target_include_directories(test_json_parse PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
    ${yyjson_INCLUDE_DIRS}
)

if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_json_parse PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_json_parse PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

target_link_libraries(test_json_parse PRIVATE ${yyjson_LIBRARIES})

# Binary doc encoder/decoder test (v1.11 Phase B T2)
# Exercises doc_binary::Doc, encode, decode, get_field, to_json_text against
# nlohmann::json round-trips. yyjson resolution is shared at file scope above.
add_executable(test_doc_binary
    test_doc_binary.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/doc_binary.cpp
)

target_include_directories(test_doc_binary PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
    ${yyjson_INCLUDE_DIRS}
)

if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(test_doc_binary PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(test_doc_binary PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

target_link_libraries(test_doc_binary PRIVATE ${yyjson_LIBRARIES})

# Parse-time micro-benchmark (v1.10 Phase A T8) — manual bench, NOT
# registered with CTest. Run as ./build/tests/bench_json_parse <corpus>.
add_executable(bench_json_parse
    bench_json_parse.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src/json_parse.cpp
)

target_include_directories(bench_json_parse PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/../service/src
    ${yyjson_INCLUDE_DIRS}
)

if(TARGET nlohmann_json::nlohmann_json)
    target_link_libraries(bench_json_parse PRIVATE nlohmann_json::nlohmann_json)
else()
    target_include_directories(bench_json_parse PRIVATE ${NLOHMANN_JSON_INCLUDE_DIRS})
endif()

target_link_libraries(bench_json_parse PRIVATE ${yyjson_LIBRARIES})

# Register with CTest
enable_testing()
add_test(NAME vector_storage COMMAND test_vector_storage)
add_test(NAME views COMMAND test_views)
add_test(NAME timestamp_precision COMMAND test_timestamp_precision)
add_test(NAME snapshot_durability COMMAND test_snapshot_durability)
add_test(NAME config_dropins COMMAND test_config_dropins)
add_test(NAME eviction COMMAND test_eviction)
add_test(NAME json_parse COMMAND test_json_parse)
add_test(NAME doc_binary COMMAND test_doc_binary)