# Copyright (c) Advanced Micro Devices, Inc.
# SPDX-License-Identifier: MIT

# ----------------------------------------------------------------------------------------#
#
# SQLite3 - cloned from upstream and built from the amalgamation
#
# Mirrors the pattern used by sibling rocprofiler-systems
# (projects/rocprofiler-systems/cmake/SQLite3.cmake): fetch the upstream
# git repository at a pinned tag, then build locally. Avoids vendoring
# any binary blobs in the source tree.
#
# ----------------------------------------------------------------------------------------#

set(SQLITE3_GIT_URL
    "https://github.com/sqlite/sqlite.git"
    CACHE STRING
    "Upstream SQLite3 git repository URL"
)
set(SQLITE3_GIT_TAG
    "version-3.45.3"
    CACHE STRING
    "Upstream SQLite3 git tag to check out"
)

message(
    STATUS
    "[profiler-hub] Cloning SQLite3 from ${SQLITE3_GIT_URL} @ ${SQLITE3_GIT_TAG}"
)

find_package(Git REQUIRED)
find_program(MAKE_COMMAND NAMES make gmake REQUIRED)

set(SQLITE3_SOURCE_DIR "${PROJECT_BINARY_DIR}/external/sqlite3")
set(SQLITE3_AMALG_C "${SQLITE3_SOURCE_DIR}/sqlite3.c")
set(SQLITE3_AMALG_H "${SQLITE3_SOURCE_DIR}/sqlite3.h")

# checkout: shallow + partial first, retry full on failure
if(NOT EXISTS "${SQLITE3_SOURCE_DIR}/configure")
    if(EXISTS "${SQLITE3_SOURCE_DIR}")
        file(REMOVE_RECURSE "${SQLITE3_SOURCE_DIR}")
    endif()
    execute_process(
        COMMAND
            ${GIT_EXECUTABLE} clone --depth 1 --filter=blob:none --branch
            ${SQLITE3_GIT_TAG} ${SQLITE3_GIT_URL} ${SQLITE3_SOURCE_DIR}
        RESULT_VARIABLE _sqlite3_clone_rc
    )
    if(NOT _sqlite3_clone_rc EQUAL 0)
        message(
            STATUS
            "[profiler-hub] Optimized clone failed; retrying full clone"
        )
        if(EXISTS "${SQLITE3_SOURCE_DIR}")
            file(REMOVE_RECURSE "${SQLITE3_SOURCE_DIR}")
        endif()
        execute_process(
            COMMAND
                ${GIT_EXECUTABLE} clone --branch ${SQLITE3_GIT_TAG}
                ${SQLITE3_GIT_URL} ${SQLITE3_SOURCE_DIR}
            RESULT_VARIABLE _sqlite3_clone_rc
        )
    endif()
    if(NOT _sqlite3_clone_rc EQUAL 0)
        message(
            FATAL_ERROR
            "[profiler-hub] git clone of SQLite3 failed (rc=${_sqlite3_clone_rc})"
        )
    endif()
endif()

# generate amalgamation (sqlite3.c + sqlite3.h) via upstream autotools
if(NOT EXISTS "${SQLITE3_AMALG_C}" OR NOT EXISTS "${SQLITE3_AMALG_H}")
    message(STATUS "[profiler-hub] Generating SQLite3 amalgamation")
    execute_process(
        COMMAND ./configure --disable-tcl
        WORKING_DIRECTORY ${SQLITE3_SOURCE_DIR}
        RESULT_VARIABLE _sqlite3_configure_rc
    )
    if(NOT _sqlite3_configure_rc EQUAL 0)
        message(
            FATAL_ERROR
            "[profiler-hub] SQLite3 ./configure failed (rc=${_sqlite3_configure_rc})"
        )
    endif()
    execute_process(
        COMMAND ${MAKE_COMMAND} sqlite3.c
        WORKING_DIRECTORY ${SQLITE3_SOURCE_DIR}
        RESULT_VARIABLE _sqlite3_make_rc
    )
    if(NOT _sqlite3_make_rc EQUAL 0)
        message(
            FATAL_ERROR
            "[profiler-hub] SQLite3 amalgamation generation failed (rc=${_sqlite3_make_rc})"
        )
    endif()
    if(NOT EXISTS "${SQLITE3_AMALG_C}" OR NOT EXISTS "${SQLITE3_AMALG_H}")
        message(
            FATAL_ERROR
            "[profiler-hub] SQLite3 amalgamation files not found after build"
        )
    endif()
endif()

add_library(profiler-hub-sqlite3-static STATIC ${SQLITE3_AMALG_C})

target_include_directories(
    profiler-hub-sqlite3-static
    PUBLIC $<BUILD_INTERFACE:${SQLITE3_SOURCE_DIR}>
)

target_compile_definitions(
    profiler-hub-sqlite3-static
    PRIVATE
        SQLITE_DEFAULT_MEMSTATUS=0
        SQLITE_THREADSAFE=1
        SQLITE_DEFAULT_WAL_SYNCHRONOUS=1
        SQLITE_LIKE_DOESNT_MATCH_BLOBS=1
        SQLITE_OMIT_DEPRECATED=1
        SQLITE_OMIT_PROGRESS_CALLBACK=1
        SQLITE_OMIT_SHARED_CACHE=1
)

# Seal the bundled SQLite symbols so they are not exported from
# libprofiler-hub.{so,a} and cannot collide with (or be interposed by)
# other sqlite3 versions bundled by sibling components on TheRock.
target_compile_options(
    profiler-hub-sqlite3-static
    PRIVATE -O2 -fPIC -fvisibility=hidden
)

set_target_properties(
    profiler-hub-sqlite3-static
    PROPERTIES POSITION_INDEPENDENT_CODE ON C_STANDARD 11
)

add_library(profiler-hub-sqlite3 INTERFACE)
target_link_libraries(
    profiler-hub-sqlite3
    INTERFACE profiler-hub-sqlite3-static ${CMAKE_DL_LIBS}
)

message(
    STATUS
    "[profiler-hub] SQLite3 amalgamation source: ${SQLITE3_SOURCE_DIR}"
)