package uploadfiles

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

	"lmika.dev/lmika/weiro/models"
)

type Provider struct {
	baseDir string
}

func New(baseDir string) *Provider {
	return &Provider{
		baseDir: baseDir,
	}
}

func (p *Provider) AdoptFile(site models.Site, up models.Upload, filename string) error {
	baseDir := filepath.Join(p.baseDir, site.GUID,
		fmt.Sprintf("%04d", up.CreatedAt.Year()),
		fmt.Sprintf("%02d", up.CreatedAt.Month()))

	if err := os.MkdirAll(baseDir, 0755); err != nil {
		return err
	}

	targetFilename := filepath.Join(baseDir, up.GUID)
	if err := os.Rename(filename, targetFilename); err != nil {
		return err
	}
	return nil
}