//go:build mage
// +build mage

package main

import (
	"fmt"
	"os"
	"os/exec"

	"github.com/magefile/mage/mg" // mg contains helpful utility functions, like Deps
)

// Default target to run when none is specified
// If not set, running mage will list available targets
// var Default = Build

// A build step that requires additional params, or platform specific steps for example
// Build builds the application for multiple platforms.
func Build() error {
	mg.Deps(InstallDeps)

	// Define target platforms
	platforms := []struct {
		OS   string
		Arch string
	}{
		{"linux", "amd64"},
		{"linux", "arm64"},
		{"darwin", "amd64"},
		{"darwin", "arm64"},
		{"windows", "amd64"},
	}

	for _, p := range platforms {
		fmt.Printf("Building for %s/%s...\n", p.OS, p.Arch)

		// Set environment variables for cross-compilation
		env := append(os.Environ(),
			fmt.Sprintf("GOOS=%s", p.OS),
			fmt.Sprintf("GOARCH=%s", p.Arch))

		// Determine output name
		outputName := fmt.Sprintf("./bin/zzyxyz_go_api-%s-%s", p.OS, p.Arch)
		if p.OS == "windows" {
			outputName += ".exe"
		}

		// Run build command
		cmd := exec.Command("go", "build", "-o", outputName, ".")
		cmd.Env = env

		if err := cmd.Run(); err != nil {
			return err
		}
	}

	return nil
}

// A custom install step if you need your bin someplace other than go/bin
func Install() error {
	mg.Deps(Build)
	// fmt.Println("Installing...")
	// return os.Rename("./MyApp", "/usr/bin/MyApp")
	return nil
}

// Manage your deps, or running package managers.
func InstallDeps() error {
	fmt.Println("Installing Deps...")
	// cmd := exec.Command("go", "get", "github.com/stretchr/piglatin")
	// return cmd.Run()
	return nil
}

// Clean up after yourself
func Clean() {
	fmt.Println("Cleaning...")
	// os.RemoveAll("MyApp")
}