// Build recipe
// Copyright (C) 2021-2023, 2025  Nguyễn Gia Phong
//
// This file is part of zeal.
//
// Zeal is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Zeal is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with zeal.  If not, see <https://www.gnu.org/licenses/>.

const std = @import("std");
const Build = std.Build;
const Compile = Build.Step.Compile;
const ResolvedTarget = Build.ResolvedTarget;
const Module = Build.Module;
const OptimizeMode = std.builtin.OptimizeMode;

fn addExampleStep(comptime name: []const u8, description: []const u8,
                  b: *Build, module: *Module,
                  target: ResolvedTarget, optimize: OptimizeMode) void {
    const bin = b.addExecutable(.{
        .name = name,
        .root_source_file = b.path("examples/" ++ name ++ ".zig"),
        .target = target,
        .optimize = optimize,
    });
    bin.root_module.addImport("zeal", module);

    const cmd = b.addRunArtifact(bin);
    if (b.args) |args|
        cmd.addArgs(args);
    b.step(name, description).dependOn(&cmd.step);
}

pub fn build(b: *Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});
    const module = b.addModule("zeal", .{
        .root_source_file = b.path("src/zeal.zig"),
        .target = target,
        .optimize = optimize,
    });
    module.linkSystemLibrary("openal", .{});
    module.linkSystemLibrary("sndfile", .{});
    module.linkSystemLibrary("c", .{});

    const tests = b.addTest(.{ .root_module = module });
    b.step("test", "Run library tests").dependOn(&b.addRunArtifact(tests).step);

    addExampleStep("play", "Play audio", b, module, target, optimize);
    addExampleStep("hrtf", "Play audio with HRTF", b, module, target, optimize);
}