// Bootstrap:
//   Windows: cl /nologo build.c
//   macOS:   cc build.c -o build
// After that, just run: ./build (or build.exe on Windows)

#define NOB_IMPLEMENTATION
#include "vendor/nob/nob.h"

#ifdef __APPLE__
////////////////////////////////
// macOS build (clang++ with Objective-C++)

static const char *frameworks[] = {
    "-framework", "Metal",
    "-framework", "Cocoa",
    "-framework", "CoreAudio",
    "-framework", "AudioToolbox",
    "-framework", "CoreMIDI",
    "-framework", "QuartzCore",
    "-framework", "CoreText",
    "-framework", "CoreFoundation",
    "-framework", "CoreGraphics",
};

int main(int argc, char **argv) {
    NOB_GO_REBUILD_URSELF(argc, argv);

    bool debug = false;
    bool clean = false;
    for (int i = 1; i < argc; i++) {
        if (strcmp(argv[i], "debug") == 0) debug = true;
        else if (strcmp(argv[i], "clean") == 0) clean = true;
    }

    const char *build_dir = debug ? "build_debug" : "build_release";

    if (clean) {
        nob_log(NOB_INFO, "Cleaning %s/", build_dir);
        Nob_Cmd cmd = {0};
        nob_cmd_append(&cmd, "rm", "-rf", build_dir);
        { Nob_Cmd_Opt opt = {0}; if (!nob_cmd_run_opt(&cmd, opt)) return 1; }
        return 0;
    }

    // App bundle paths
    const char *app_dir     = nob_temp_sprintf("%s/autosample.app", build_dir);
    const char *contents    = nob_temp_sprintf("%s/Contents", app_dir);
    const char *macos_dir   = nob_temp_sprintf("%s/Contents/MacOS", app_dir);
    const char *res_dir     = nob_temp_sprintf("%s/Contents/Resources", app_dir);
    const char *binary_path = nob_temp_sprintf("%s/Contents/MacOS/autosample", app_dir);

    if (!nob_mkdir_if_not_exists(build_dir)) return 1;
    if (!nob_mkdir_if_not_exists(app_dir))   return 1;
    if (!nob_mkdir_if_not_exists(contents))  return 1;
    if (!nob_mkdir_if_not_exists(macos_dir)) return 1;
    if (!nob_mkdir_if_not_exists(res_dir))   return 1;

    // Unity build: single clang++ invocation compiles main.cpp (which #includes everything)
    {
        Nob_Cmd cmd = {0};
        nob_cmd_append(&cmd, "clang++");
        nob_cmd_append(&cmd, "-std=c++20", "-x", "objective-c++");
        nob_cmd_append(&cmd, "-fno-exceptions", "-fno-rtti");
        nob_cmd_append(&cmd, "-Wall", "-Wextra", "-Wno-missing-field-initializers");
        nob_cmd_append(&cmd, "-Wno-deprecated-declarations");
        nob_cmd_append(&cmd, "-Isrc", "-Ivendor/clay");

        if (debug) {
            nob_cmd_append(&cmd, "-g", "-O0", "-D_DEBUG");
        } else {
            nob_cmd_append(&cmd, "-O2", "-DNDEBUG");
        }

        nob_cmd_append(&cmd, "-o", binary_path);
        nob_cmd_append(&cmd, "src/main.cpp");

        {
            size_t i;
            for (i = 0; i < NOB_ARRAY_LEN(frameworks); i++)
                nob_cmd_append(&cmd, frameworks[i]);
        }
        { Nob_Cmd_Opt opt = {0}; if (!nob_cmd_run_opt(&cmd, opt)) return 1; }
    }

    // Write Info.plist
    {
        const char *plist_path = nob_temp_sprintf("%s/Contents/Info.plist", app_dir);
        nob_write_entire_file(plist_path,
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
            "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\"\n"
            "  \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
            "<plist version=\"1.0\">\n"
            "<dict>\n"
            "  <key>CFBundleExecutable</key>\n"
            "  <string>autosample</string>\n"
            "  <key>CFBundleIdentifier</key>\n"
            "  <string>com.autosample.app</string>\n"
            "  <key>CFBundleName</key>\n"
            "  <string>autosample</string>\n"
            "  <key>CFBundleVersion</key>\n"
            "  <string>0.1</string>\n"
            "  <key>CFBundleShortVersionString</key>\n"
            "  <string>0.1</string>\n"
            "  <key>CFBundlePackageType</key>\n"
            "  <string>APPL</string>\n"
            "  <key>NSHighResolutionCapable</key>\n"
            "  <true/>\n"
            "  <key>NSSupportsAutomaticGraphicsSwitching</key>\n"
            "  <true/>\n"
            "</dict>\n"
            "</plist>\n",
            strlen(
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
            "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\"\n"
            "  \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
            "<plist version=\"1.0\">\n"
            "<dict>\n"
            "  <key>CFBundleExecutable</key>\n"
            "  <string>autosample</string>\n"
            "  <key>CFBundleIdentifier</key>\n"
            "  <string>com.autosample.app</string>\n"
            "  <key>CFBundleName</key>\n"
            "  <string>autosample</string>\n"
            "  <key>CFBundleVersion</key>\n"
            "  <string>0.1</string>\n"
            "  <key>CFBundleShortVersionString</key>\n"
            "  <string>0.1</string>\n"
            "  <key>CFBundlePackageType</key>\n"
            "  <string>APPL</string>\n"
            "  <key>NSHighResolutionCapable</key>\n"
            "  <true/>\n"
            "  <key>NSSupportsAutomaticGraphicsSwitching</key>\n"
            "  <true/>\n"
            "</dict>\n"
            "</plist>\n"
            ));
    }

    nob_log(NOB_INFO, "Build complete: %s", app_dir);
    return 0;
}

#else
////////////////////////////////
// Windows build (MSVC cl.exe)

static const char *link_libs[] = {
    "d3d12.lib",
    "dxgi.lib",
    "d3dcompiler.lib",
    "user32.lib",
    "gdi32.lib",
    "shell32.lib",
    "ole32.lib",
    "advapi32.lib",
    "dwmapi.lib",
    "winmm.lib",
};

int main(int argc, char **argv) {
    NOB_GO_REBUILD_URSELF(argc, argv);

    bool debug = false;
    bool clean = false;
    for (int i = 1; i < argc; i++) {
        if (strcmp(argv[i], "debug") == 0) debug = true;
        else if (strcmp(argv[i], "clean") == 0) clean = true;
    }

    const char *build_dir = debug ? "build_debug" : "build_release";

    if (clean) {
        nob_log(NOB_INFO, "Cleaning %s/", build_dir);
        Nob_Cmd cmd = {0};
        nob_cmd_append(&cmd, "cmd.exe", "/c",
            nob_temp_sprintf("if exist %s rmdir /s /q %s", build_dir, build_dir));
        { Nob_Cmd_Opt opt = {0}; if (!nob_cmd_run_opt(&cmd, opt)) return 1; }
        return 0;
    }

    if (!nob_mkdir_if_not_exists(build_dir)) return 1;

    // Unity build: single cl.exe invocation compiles main.cpp (which #includes everything)
    {
        Nob_Cmd cmd = {0};
        nob_cmd_append(&cmd, "cl.exe");
        nob_cmd_append(&cmd, "/nologo", "/std:c++20", "/EHsc", "/W3");
        nob_cmd_append(&cmd, "/Isrc", "/Ivendor/clay");

        if (debug) {
            nob_cmd_append(&cmd, "/MTd", "/Zi", "/Od", "/D_DEBUG");
        } else {
            nob_cmd_append(&cmd, "/MT", "/Zi", "/O2", "/DNDEBUG");
        }

        nob_cmd_append(&cmd, nob_temp_sprintf("/Fe:%s/autosample.exe", build_dir));
        nob_cmd_append(&cmd, nob_temp_sprintf("/Fo:%s/", build_dir));
        nob_cmd_append(&cmd, nob_temp_sprintf("/Fd:%s/autosample.pdb", build_dir));

        nob_cmd_append(&cmd, "src/main.cpp");

        nob_cmd_append(&cmd, "/link");
        nob_cmd_append(&cmd, "/MACHINE:X64");
        nob_cmd_append(&cmd, "/SUBSYSTEM:CONSOLE");
        nob_cmd_append(&cmd, nob_temp_sprintf("/PDB:%s/autosample.pdb", build_dir));
        nob_cmd_append(&cmd, "/DEBUG");
        {
            size_t i;
            for (i = 0; i < NOB_ARRAY_LEN(link_libs); i++)
                nob_cmd_append(&cmd, link_libs[i]);
        }
        { Nob_Cmd_Opt opt = {0}; if (!nob_cmd_run_opt(&cmd, opt)) return 1; }
    }

    // Clean up obj files
    nob_delete_file(nob_temp_sprintf("%s/main.obj", build_dir));

    nob_log(NOB_INFO, "Build complete: %s/autosample.exe", build_dir);
    return 0;
}

#endif