const std = @import("std");
const bh = @import("bh");

pub fn build(b: *std.Build) void {
    const opts = bh.declareOptions(b);

    const spng_c = b.addLibrary(.{
        .linkage = if (opts.static_build) .static else .dynamic,
        .name = "spng_c",
        .root_module = b.createModule(.{
            .optimize = opts.optimize,
            .target = opts.target,
            .link_libc = true,
        }),
    });

    spng_c.addCSourceFile(.{ .file = b.path("spng/spng.c") });
    spng_c.addCSourceFile(.{ .file = b.path("miniz.c") });
    spng_c.addIncludePath(b.path("spng"));
    spng_c.addIncludePath(b.path("./"));

    spng_c.root_module.addCMacro("SPNG_USE_MINIZ", "1");

    const mod = b.addModule("spng", .{
        .target = opts.target,
        .optimize = opts.optimize,
        .root_source_file = b.path("src/spng.zig"),
    });

    mod.addIncludePath(b.path("spng"));
    mod.addIncludePath(b.path("./"));
    mod.linkLibrary(spng_c);

    b.installArtifact(spng_c);

    const test_step = b.step("test", "run unit tests for spng");
    const tests = b.addTest(.{
        .root_module = b.createModule(.{
            .target = opts.target,
            .optimize = opts.optimize,
            .root_source_file = b.path("src/spng.zig"),
            .link_libc = true,
        }),
    });
    tests.root_module.linkLibrary(spng_c);
    tests.root_module.addIncludePath(b.path("spng"));
    tests.root_module.addIncludePath(b.path("./"));
    const runArtifact = b.addRunArtifact(tests);
    test_step.dependOn(&runArtifact.step);
}