package files

import (
	"context"
	"errors"
	"io"
	"time"

	"git.aiterp.net/rpdata/api/internal/store"
	"git.aiterp.net/rpdata/api/models"
)

// Upload adds a file to the space.
func Upload(ctx context.Context, name, mimeType, author string, size int64, input io.Reader) (models.File, error) {
	if !allowdMimeTypes[mimeType] {
		return models.File{}, errors.New("File type not allowed:" + mimeType)
	}

	if name == "" {
		date := time.Now().UTC().Format("Jan 02 2006 15:04:05 MST")
		name = "Unnamed file (" + date + ")"
	}
	if mimeType == "" {
		mimeType = "binary/octet-stream"
	}

	id := makeID()

	path, err := store.UploadFile(ctx, "files", id, mimeType, input, size)
	if err != nil {
		return models.File{}, err
	}

	file := models.File{
		ID:       id,
		Kind:     "upload",
		Time:     time.Now(),
		Public:   false,
		Author:   author,
		Name:     name,
		MimeType: mimeType,
		Size:     size,
		URL:      store.URLFromPath(path),
	}

	err = collection.Insert(file)
	if err != nil {
		return models.File{}, err
	}

	return file, nil
}