package main

import (
	"os"

	"go.wit.com/lib/config"
	"go.wit.com/lib/debian"
	"go.wit.com/lib/protobuf/zoopb"
	"go.wit.com/log"
	"google.golang.org/protobuf/encoding/prototext"
)

func doWalk() (string, error) {
	os.Chdir(me.mirrorsDir)

	// 2. Scan pool directory for .deb files and gather info
	log.Printf("Scanning for .deb files in %s\n", poolDir)
	debInfos, err := scanDebs(poolDir, 35)
	if err != nil {
		log.Printf("Failed to scan .deb files: %v\n", err)
		me.sh.BadExit("scan pool scan dir", err)
	}

	var counter int
	for _, deb := range debInfos {
		newdeb := new(zoopb.Package)
		newdeb.Filename = deb.Filename
		newdeb.MD5SUM = deb.MD5Sum
		newdeb.SHA1 = deb.SHA1Sum
		newdeb.SHA256 = deb.SHA256Sum

		// log.Info("len(CONTROLDATA)", len(deb.ControlData))
		// log.Sprintf("VAR='%s' VAL='%s'\n", varname, varvalue)
		// log.Info("%v", deb.ControlData)
		for varname, varvalue := range deb.ControlData {
			switch varname {
			case "Package":
				newdeb.Package = varvalue
			case "Version":
				newdeb.Version = varvalue
			case "Git-Tag-Date":
				log.Info("CONVERT THIS TO TIME", varvalue)
			case "Depends":
				newdeb.Depends = varvalue
			case "Build-Depends":
				newdeb.BuildDepends = varvalue
			case "Architecture":
				newdeb.Architecture = varvalue
			case "Packager":
				newdeb.Packager = varvalue
			case "Package-Build-Date":
				varvalue = "PackageBuildDate"
			case "URL":
				newdeb.URL = varvalue
			default:
				if ok, err := debian.SetString(newdeb, varname, varvalue); ok {
					continue
				} else if err != nil {
					log.Printf("%v VAR='%s' VAL='%s'\n", err, varname, varvalue)
				}
				// todo: add to protomap
			}
		}
		counter += 1
		me.pb.AppendByFilename(newdeb)
		log.Info(prototext.Format(newdeb))
		// arch := deb.ControlData["Architecture"]
	}

	// footer := me.pb.PrintTable()
	// log.Info("found so far:", footer)

	config.Save(me.pb)
	log.Printf("add %d new packages. Total packages.Len()=%d\n", counter, me.pb.Len())
	return "/home/mirrors/wit/ has been scanned for ne files", nil
}