package builder

import (
	"fmt"
	"os"
)

// FusionMaxUploadBytes is the maximum prep / video upload size for forge.
const FusionMaxUploadBytes int64 = 2 << 30 // 2 GiB

// FusionDeliverablesDir is the project-root folder for per-title movie outputs.
const FusionDeliverablesDir = "fusion-deliverables"

// multipartMaxMemory is the ParseMultipartForm budget; must cover fusion prep uploads.
const multipartMaxMemory = FusionMaxUploadBytes + 32<<20 // 2 GiB + 32 MiB headroom

func (h *Handler) checkBuildSize(bytes int64) error {
	if h.policy.MaxBuildSizeMB <= 0 {
		return nil
	}
	maxBytes := int64(h.policy.MaxBuildSizeMB) * 1024 * 1024
	if bytes > maxBytes {
		return fmt.Errorf("build exceeds max size (%d MB)", h.policy.MaxBuildSizeMB)
	}
	return nil
}

func (h *Handler) checkBuildSizeFile(path string) error {
	st, err := os.Stat(path)
	if err != nil {
		return err
	}
	return h.checkBuildSize(st.Size())
}