const std = @import("std");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    // ReleaseFast by default: a Debug server is 10-200x slower (measured in
    // tests/e2e/compare-run.sh). Devs can still opt into Debug or
    // ReleaseSafe with -Doptimize=Debug / -Doptimize=ReleaseSafe.
    const optimize = b.option(std.builtin.OptimizeMode, "optimize", "Prioritize performance, safety, or binary size") orelse .ReleaseFast;

    const lib_mod = b.createModule(.{
        .root_source_file = b.path("src/lib.zig"),
        .target = target,
        .optimize = optimize,
    });

    const exe_mod = b.createModule(.{
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
        .imports = &.{
            .{ .name = "mongo", .module = lib_mod },
        },
    });

    const exe = b.addExecutable(.{
        .name = "mongo-lite",
        .root_module = exe_mod,
    });
    b.installArtifact(exe);

    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", "Run mongo-lite server");
    run_step.dependOn(&run_cmd.step);

    const test_mod = b.createModule(.{
        .root_source_file = b.path("src/lib.zig"),
        .target = target,
        .optimize = optimize,
    });

    const test_step = b.addTest(.{
        .root_module = test_mod,
    });
    const run_tests = b.addRunArtifact(test_step);
    const test_help = b.step("test", "Run unit tests");
    test_help.dependOn(&run_tests.step);
}