package main

import (
	"os"
	"path/filepath"

	"go.wit.com/lib/protobuf/forgepb"
	"go.wit.com/log"
	"google.golang.org/protobuf/proto"
)

func LoadPatchsets() error {
	me.all = forgepb.NewPatchsets()

	filename := filepath.Join(LIBDIR, "all-patches.pb")

	data, err := os.ReadFile(filename)
	if err != nil {
		return err
	}

	err = me.all.Unmarshal(data)
	if err != nil {
		log.Infof("LoadPatchsets() proto.Marshal() error %v\n", err)
		return err
	}
	log.Infof("LoadPatchsets() worked ok %d\n", me.all.Len())
	return nil
}

func SavePatchsets() error {
	filename := filepath.Join(LIBDIR, "all-patches.pb")
	regfile, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
	if err != nil {
		log.Info("SavePatchsets() filename open error:", filename, err)
		// fmt.Fprintln(w, "filename open error:", filename, err)
		return err
	}
	defer regfile.Close()

	newpb := proto.Clone(me.all).(*forgepb.Patchsets)
	if newpb == nil {
		for pset := range me.all.IterAll() {
			showPatchsets(pset)
		}
		return log.Errorf("SavePatchsets() Clone failed!")
	}

	data, err := newpb.Marshal()
	if err != nil {
		log.Infof("SavePatchset() proto.Marshal() error %v\n", err)
		return err
	}
	log.Infof("SavePatchset() worked (%d) bytes\n", len(data))
	regfile.Write(data)
	return nil
}