const std = @import("std");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    // Zig combat library
    const combat_lib = b.addLibrary(.{
        .name = "combat",
        .root_module = b.createModule(.{
            .root_source_file = b.path("libs/combat/combat.zig"),
            .target = target,
            .optimize = optimize,
            .link_libc = true,
        }),
    });
    combat_lib.addIncludePath(b.path("src"));

    // C sources (everything except combat, which is now Zig)
    const c_sources = [_][]const u8{
        "src/audio.c",
        "src/enemy.c",
        "src/items.c",
        "src/main.c",
        "src/map.c",
        "src/player.c",
        "src/render.c",
        "src/rng.c",
        "src/settings.c",
        "src/utils.c",
    };

    const c_flags = [_][]const u8{
        "-std=c99",
        "-Wall",
        "-Wextra",
        "-O2",
    };

    // Main executable
    const exe = b.addExecutable(.{
        .name = "roguelike",
        .root_module = b.createModule(.{
            .target = target,
            .optimize = optimize,
            .link_libc = true,
        }),
    });

    exe.addCSourceFiles(.{
        .files = &c_sources,
        .flags = &c_flags,
    });

    exe.addIncludePath(b.path("src"));
    exe.linkLibrary(combat_lib);
    exe.linkSystemLibrary("raylib");
    exe.linkSystemLibrary("m");
    exe.linkSystemLibrary("pthread");
    exe.linkSystemLibrary("dl");
    exe.linkSystemLibrary("rt");

    b.installArtifact(exe);

    // Run step
    const run_cmd = b.addRunArtifact(exe);
    run_cmd.step.dependOn(b.getInstallStep());
    if (b.args) |args| {
        run_cmd.addArgs(args);
    }
    const run_step = b.step("run", "Build and run the roguelike");
    run_step.dependOn(&run_cmd.step);
}