//go:build dagger

package main

import (
	"context"
	"fmt"
	"log"
	"os"
	"path/filepath"

	"dagger.io/dagger"
)

func main() {
	if err := build(context.Background()); err != nil {
		log.Printf("ERROR: %v", err)
		os.Exit(1)
	}
}

func build(ctx context.Context) error {
	log.Println("Building with Dagger.")

	client, err := dagger.Connect(ctx, dagger.WithLogOutput(os.Stdout))
	if err != nil {
		return fmt.Errorf("unable to create the dagger client; %w", err)
	}
	defer client.Close()

	rootDir, err := filepath.Abs(".")
	if err != nil {
		return err
	}

	image := "golang:1.20"

	containerWorkspace := "/workspace"

	builder := client.Container().
		From(image).
		WithMountedDirectory(containerWorkspace, client.Host().Directory(rootDir)).
		WithWorkdir(containerWorkspace).
		WithEnvVariable("CGO_ENABLED", "0").
		WithEnvVariable("GOOS", "linux").
		WithEnvVariable("GOARCH", "amd64").
		WithExec([]string{"make", "clean", "spruce"})

	_, err = builder.Stdout(ctx)
	if err != nil {
		return fmt.Errorf("unable to build the binary; %w", err)
	}

	return nil
}