package ledger

import (
	"context"
	"errors"
	"fmt"

	"github.com/carlosframework/platform/internal/release"
)

func claimRawPutBlob(ctx context.Context, st release.Store, sqid, app, name string, body []byte) (string, error) {
	if !ValidName(name) {
		return "", fmt.Errorf("ledger: invalid ledger name %q", name)
	}
	if len(body) > MaxBlob {
		return "", fmt.Errorf("ledger: blob %d bytes exceeds cap %d", len(body), MaxBlob)
	}
	sha := SHA256Hex(body)
	if _, err := st.Put(ctx, BlobKey(sqid, app, name, sha), body, ""); err != nil {
		// Content-addressed: an existing object with this key IS this
		// content. A create-only conflict means it's already there.
		if errors.Is(err, release.ErrCASConflict) {
			return sha, nil
		}
		return "", err
	}
	return sha, nil
}