// +build mage

package main

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

	"github.com/jtolds/qod"
)

var wd string

func init() {
	lwd, err := os.Getwd()
	qod.ANE(err)

	wd = lwd
}

const pkgBase = "git.xeserv.us/xena/route/"

func shouldWork(ctx context.Context, env []string, dir string, cmdName string, args ...string) {
	loc, err := exec.LookPath(cmdName)
	qod.ANE(err)

	cmd := exec.CommandContext(ctx, loc, args...)
	cmd.Dir = dir
	cmd.Env = env

	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	log.Printf("starting process, env: %v, pwd: %s, cmd: %s, args: %v", env, dir, loc, args)
	err = cmd.Run()
	qod.ANE(err)
}

func goBuild(ctx context.Context, env []string, dir string, pkgname string) {
	shouldWork(ctx, env, dir, "go", "build", pkgBase+pkgname)
}

// Build builds the binaries for route and routed.
func Build() {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	d := filepath.Join(wd, "./bin")

	for _, pkg := range []string{"helloserver", "httpagent", "route", "routed"} {
		goBuild(ctx, os.Environ(), d, "cmd/"+pkg)
	}
}