const std = @import("std");
const GitVersion = @import("GitVersion.zig");

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

    // Get the current git version embedded so we can output at startup
    const version = GitVersion.getVersion(b, .{});
    const build_options = b.addOptions();
    build_options.addOption([]const u8, "version", version);

    const zfin_dep = b.dependency("zfin", .{
        .target = target,
        .optimize = optimize,
    });

    const httpz_dep = b.dependency("httpz", .{
        .target = target,
        .optimize = optimize,
    });

    const imports: []const std.Build.Module.Import = &.{
        .{ .name = "zfin", .module = zfin_dep.module("zfin") },
        .{ .name = "httpz", .module = httpz_dep.module("httpz") },
        .{ .name = "build_options", .module = build_options.createModule() },
    };

    const exe = b.addExecutable(.{
        .name = "zfin-server",
        .root_module = b.createModule(.{
            .root_source_file = b.path("src/main.zig"),
            .target = target,
            .optimize = optimize,
            .imports = imports,
        }),
    });
    b.installArtifact(exe);

    // Run step: `zig build run -- <args>`
    const run_step = b.step("run", "Run the server");
    const run_cmd = b.addRunArtifact(exe);
    run_step.dependOn(&run_cmd.step);
    run_cmd.step.dependOn(b.getInstallStep());
    if (b.args) |args| {
        run_cmd.addArgs(args);
    }

    // Tests
    const test_step = b.step("test", "Run all tests");
    const tests = b.addTest(.{ .root_module = b.createModule(.{
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
        .imports = imports,
    }) });
    test_step.dependOn(&b.addRunArtifact(tests).step);
}