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package main
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"time"
"github.com/adrg/xdg"
"github.com/fatih/color"
)
const TTL = 3 * 24 * time.Hour // 3 days
func EnsureBrewAvailable() {
cache := filepath.Join(xdg.CacheHome, "wthis", "brew-checked")
// 1. check if cache file exists and is fresh
if info, err := os.Stat(cache); err == nil {
if time.Since(info.ModTime()) < TTL {
return // recently verified that brew exists
}
}
// 2. otherwise, actually check
if _, err := exec.LookPath("brew"); err != nil {
// brew not found — no cache write
color.Red("🍺 Homebrew not installed.")
fmt.Println("This tool works only with Homebrew formulae and casks.")
os.Exit(1)
}
// 3. write cache
_ = os.MkdirAll(filepath.Dir(cache), 0o755)
_ = os.WriteFile(cache, []byte{}, 0o644)
}
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