const std = @import("std");

const util_pkg = std.build.Pkg{
    .name = "util",
    .source = std.build.FileSource.relative("src/util/lib.zig"),
};

const http_pkg = std.build.Pkg{
    .name = "http",
    .source = std.build.FileSource.relative("src/http/lib.zig"),
    .dependencies = &.{util_pkg},
};

const sql_pkg = std.build.Pkg{
    .name = "sql",
    .source = std.build.FileSource.relative("src/sql/lib.zig"),
    .dependencies = &.{util_pkg},
};

const api_pkg = std.build.Pkg{
    .name = "api",
    .source = std.build.FileSource.relative("src/api/lib.zig"),
    .dependencies = &.{ util_pkg, sql_pkg },
};

const main_pkg = std.build.Pkg{
    .name = "main",
    .source = std.build.FileSource.relative("src/main/main.zig"),
    .dependencies = &.{ util_pkg, http_pkg, sql_pkg, api_pkg },
};

pub fn build(b: *std.build.Builder) void {
    // Standard target options allows the person running `zig build` to choose
    // what target to build for. Here we do not override the defaults, which
    // means any target is allowed, and the default is native. Other options
    // for restricting supported target set are available.
    const target = b.standardTargetOptions(.{});

    // Standard release options allow the person running `zig build` to select
    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
    const mode = b.standardReleaseOptions();

    const exe = b.addExecutable("apub", "src/main/main.zig");
    exe.setTarget(target);
    exe.setBuildMode(mode);

    exe.addPackage(sql_pkg);
    exe.addPackage(util_pkg);
    exe.addPackage(http_pkg);
    exe.addPackage(api_pkg);

    exe.linkSystemLibrary("sqlite3");
    exe.linkSystemLibrary("pq");
    exe.linkLibC();

    const util_tests = b.addTest("src/util/lib.zig");
    const http_tests = b.addTest("src/http/lib.zig");
    const sql_tests = b.addTest("src/sql/lib.zig");
    http_tests.addPackage(util_pkg);
    sql_tests.addPackage(util_pkg);

    const unit_tests = b.step("unit-tests", "Run tests");
    unit_tests.dependOn(&util_tests.step);
    unit_tests.dependOn(&http_tests.step);
    unit_tests.dependOn(&sql_tests.step);

    const api_integration = b.addTest("./tests/api_integration/lib.zig");
    api_integration.addPackage(sql_pkg);
    api_integration.addPackage(util_pkg);
    api_integration.addPackage(http_pkg);
    api_integration.addPackage(main_pkg);
    api_integration.linkLibC();
    api_integration.linkSystemLibrary("sqlite3");

    const integration_tests = b.step("integration-tests", "run tests");
    integration_tests.dependOn(&api_integration.step);

    const run_cmd = exe.run();
    //run_cmd.step.dependOn(b.getInstallStep());
    if (b.args) |args| {
        run_cmd.addArgs(args);
    }

    const run_step = b.step("run", "Run the server");
    run_step.dependOn(&run_cmd.step);
}