package("assimp")

    set_homepage("https://assimp.org")
    set_description("Portable Open-Source library to import various well-known 3D model formats in a uniform manner")

    set_urls("https://github.com/assimp/assimp/archive/$(version).zip",
             "https://github.com/assimp/assimp.git")
    add_versions("v5.0.1", "d10542c95e3e05dece4d97bb273eba2dfeeedb37a78fb3417fd4d5e94d879192")
    add_patches("v5.0.1", path.join(os.scriptdir(), "patches", "5.0.1", "fix-mingw.patch"), "a3375489e2bbb2dd97f59be7dd84e005e7e9c628b4395d7022a6187ca66b5abb")

    if not is_host("windows") then
        add_extsources("pkgconfig::assimp")
    end

    if is_host("linux") then
        add_extsources("apt::libassimp-dev")
    elseif is_host("macosx") then
        add_extsources("brew::assimp")
    end

    add_configs("asan",                  {description = "Enable AddressSanitizer", default = false, type = "boolean"})
    add_configs("build_tools",           {description = "If the supplementary tools for Assimp are built in addition to the library", default = false, type = "boolean"})
    add_configs("double_precision",      {description = "All data will be stored as double values", default = false, type = "boolean"})
    add_configs("no_export",             {description = "Disable Assimp's export functionality (reduces library size)", default = false, type = "boolean"})
    add_configs("ubsan",                 {description = "Enable Undefined Behavior sanitizer", default = false, type = "boolean"})
    add_configs("with_pdb",              {description = "Install MSVC debug files", default = false, type = "boolean"})

    add_deps("cmake", "irrxml", "zlib")

    on_load(function (package)
        if is_plat("linux") and package:config("shared") then
            package:add("ldflags", "-Wl,--as-needed," .. package:installdir("lib", "libassimp.so"))
        end
    end)

    on_install("windows", "linux", "macosx", "mingw", function (package)
        local configs = {}
        table.insert(configs, "-DASSIMP_BUILD_SAMPLES=OFF")
        table.insert(configs, "-DASSIMP_BUILD_TESTS=OFF")
        table.insert(configs, "-DBUILD_DOCS=OFF")
        table.insert(configs, "-DBUILD_FRAMEWORK=OFF")
        table.insert(configs, "-DINJECT_DEBUG_POSTFIX=" .. ((package:debug()) and "ON" or "OFF"))

        local irrxml = package:dep("irrxml")
        if irrxml then
            table.insert(configs, "-DSYSTEM_IRRXML=ON")
            if irrxml:is_system() then
                io.replace("CMakeLists.txt", "FIND_PACKAGE( IrrXML REQUIRED )", "", {plain = true})
            else
                local fetchinfo = irrxml:fetch()
                table.insert(configs, "-DIRRXML_INCLUDE_DIR=" .. table.concat(fetchinfo.includedirs or fetchinfo.sysincludedirs, ";"))
                table.insert(configs, "-DIRRXML_LIBRARY=" .. table.concat(fetchinfo.libfiles, ";"))
            end
        else
            table.insert(configs, "-DSYSTEM_IRRXML=OFF")
        end

        local zlib = package:dep("zlib")
        if zlib then
            if not zlib:is_system() then
                local fetchinfo = zlib:fetch()
                io.replace("CMakeLists.txt", "FIND_PACKAGE(ZLIB)", "", {plain = true})
                table.insert(configs, "-DZLIB_FOUND=TRUE")
                table.insert(configs, "-DZLIB_INCLUDE_DIR=" .. table.concat(fetchinfo.includedirs or fetchinfo.sysincludedirs, ";"))
                table.insert(configs, "-DZLIB_LIBRARIES=" .. table.concat(fetchinfo.libfiles, ";"))
            end
        else
            table.insert(configs, "-DASSIMP_BUILD_ZLIB=ON")
        end

        local function add_config_arg(config_name, cmake_name)
            table.insert(configs, "-D" .. cmake_name .. "=" .. (package:config(config_name) and "ON" or "OFF"))
        end

        add_config_arg("asan",             "ASSIMP_ASAN")
        add_config_arg("double_precision", "ASSIMP_DOUBLE_PRECISION")
        add_config_arg("no_export",        "ASSIMP_NO_EXPORT")
        add_config_arg("shared",           "BUILD_SHARED_LIBS")
        add_config_arg("ubsan",            "ASSIMP_UBSAN")

        if package:is_plat("windows") then
            table.insert(configs, "-DASSIMP_INSTALL_PDB=" .. ((package:debug() or package:config("install_pdb")) and "ON" or "OFF"))
        end
        if package:is_plat("android") then
            add_config_arg("android_jniiosysystem", "ASSIMP_ANDROID_JNIIOSYSTEM")
        end
        if package:is_plat("windows", "linux", "macosx", "mingw") then
            add_config_arg("build_tools", "ASSIMP_BUILD_ASSIMP_TOOLS")
        else
            table.insert(configs, "-DASSIMP_BUILD_ASSIMP_TOOLS=OFF")
        end

        import("package.tools.cmake").install(package, configs)
    end)

    on_test(function (package)
        assert(package:has_cxxtypes("Assimp::Importer", {configs = {languages = "c++11"}, includes = "assimp/Importer.hpp"}))
    end)