add_rules("mode.debug", "mode.release")
-- add_requires("vulkansdk", "glfw", "fmt", "vulkan-memory-allocator", "spdlog", "glm")
add_requires("shaderc")

-- Project settings
set_project("iris_renderer")
set_version("1.0")
set_languages("c++20")


-- Project directories
local project_root = os.projectdir()
local src_dir = path.join(project_root, "src")
local ext_dir = path.join(project_root, "ext")

-- ImGui target
target("imgui")
    set_kind("static")
    local imgui_dir = path.join(ext_dir, "imgui")

    -- Add source files
    add_files(
        path.join(imgui_dir, "imgui.cpp"),
        path.join(imgui_dir, "imgui_demo.cpp"),
        path.join(imgui_dir, "imgui_draw.cpp"),
        path.join(imgui_dir, "imgui_tables.cpp"),
        path.join(imgui_dir, "imgui_widgets.cpp"),
        path.join(imgui_dir, "backends/imgui_impl_glfw.cpp"),
        path.join(imgui_dir, "backends/imgui_impl_vulkan.cpp")
    )

    if is_host("windows") then
        add_packages("vulkansdk", "glfw")
    end

    -- Add include directories
    add_includedirs(
        imgui_dir,
        path.join(imgui_dir, "backends"),
        {public = true}
    )

-- Arguments for compilation
target("argparse")
    set_kind("headeronly")
    add_includedirs(path.join(ext_dir, "argparse/include"), {public = true})

target("tinygltf")
    set_kind("headeronly")
    add_includedirs(path.join(ext_dir, "tinygltf.git"), {public = true})
    add_cxxflags("-w")

target("tinyobjloader")
    set_kind("headeronly")
    add_includedirs(path.join(ext_dir, "tinyobjloader"), {public = true})

target("stb")
    set_kind("headeronly")
    add_includedirs(path.join(ext_dir, "stb"), {public = true})

target("glm")
    set_kind("headeronly")
    add_includedirs(path.join(ext_dir, "glm"), {public = true})

-- Main executable target
target("iris_renderer")
    set_kind("binary")
    add_files(path.join(src_dir, "**.cpp"))
    add_includedirs("include")
    
    -- Link external libraries
    add_deps("argparse", "imgui", "tinygltf", "tinyobjloader", "stb", "glm")

    -- Add libraries
    add_packages("vulkansdk", "glfw", "fmt", "vulkan-memory-allocator", "spdlog", "glm", "shaderc")

    -- OS-specific libraries (dl, pthread, X11, etc.)
    if is_plat("linux") then
        add_syslinks("vulkan", "glfw", "fmt")
        add_syslinks("dl", "pthread", "X11", "Xxf86vm", "Xrandr", "Xi")
    end

    -- Compiler options
    add_cxxflags("-Wall", "-Wextra", "-Wno-missing-field-initializers")

    -- Vulkan validation layers for debug builds
    if is_mode("debug") then
        add_defines("USE_VULKAN_VALIDATION_LAYERS")
    end