const std = @import("std");

const cflags: []const []const u8 = &.{
    "-Wall",
    "-Wextra",
    "-pedantic",
    "-Wno-switch",
    "-Wno-unused-function",
    "-Wno-implicit-fallthrough",
    "-std=c11",
};

pub fn build(b: *std.build.Builder) void {
    // Standard release options allow the person running `zig build` to select
    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
    const mode = b.standardReleaseOptions();
    const target = b.standardTargetOptions(.{});

    const lib = b.addStaticLibrary("minifb-zig-port", null);
    lib.addCSourceFiles(&.{
        "src/MiniFB_common.c",
        "src/MiniFB_internal.c",
        "src/MiniFB_timer.c",
        "src/windows/WinMiniFB.c",
    }, cflags);
    lib.addIncludeDir("src");
    lib.addIncludeDir("include");
    lib.linkSystemLibraryName("gdi32");
    lib.linkLibC();
    lib.setBuildMode(mode);
    lib.install();

    addExample(b, "noise", "tests/noise.c", lib, target, mode);
    addExample(b, "multiple-windows", "tests/multiple_windows.c", lib, target, mode);
    addExample(b, "input-events", "tests/input_events.c", lib, target, mode);
    addExample(b, "hidpi", "tests/hidpi.c", lib, target, mode);
}

fn addExample(b: *std.build.Builder, comptime name: []const u8, file: []const u8, lib: *std.build.LibExeObjStep, target: std.zig.CrossTarget, mode: std.builtin.Mode) void {
    const exe = b.addExecutable(name, null);
    exe.setBuildMode(mode);
    exe.setTarget(target);
    exe.linkLibrary(lib);
    exe.addIncludeDir("include");
    exe.addCSourceFile(file, cflags);
    exe.install();

    const step_name = "run-" ++ name;
    b.step("run-" ++ name, "Run " ++ name ++ " example").dependOn(&exe.run().step);
}