package cache

import (
	"encoding/json"
	"fmt"
	"log"
	"os"
	"path/filepath"
	"software-station/internal/models"
)

const cacheDir = ".cache"

func init() {
	if err := os.MkdirAll(cacheDir, 0750); err != nil {
		log.Printf("Warning: failed to create cache directory: %v", err)
	}
}

func GetCachePath(owner, repo string) string {
	return filepath.Join(cacheDir, filepath.Clean(fmt.Sprintf("%s_%s.json", owner, repo)))
}

func SaveToCache(owner, repo string, software models.Software) error {
	path := GetCachePath(owner, repo)
	data, err := json.MarshalIndent(software, "", "  ")
	if err != nil {
		return err
	}
	return os.WriteFile(path, data, 0600)
}

func GetFromCache(owner, repo string) (*models.Software, error) {
	path := GetCachePath(owner, repo)
	data, err := os.ReadFile(path) // #nosec G304
	if err != nil {
		return nil, err
	}
	var software models.Software
	if err := json.Unmarshal(data, &software); err != nil {
		return nil, err
	}
	return &software, nil
}