package main

import (
	"os"
	"strings"

	"go.wit.com/log"
)

func setTargetVersion() {
	// go through and set the target versions for each repo
	// todo: add sanity checking in repolist to verify these and/or autocompute them
	// for now, just don't be stupid when you set your ENV vars
	// widget I versioned early before I knew what the hell this would mean and can
	// not be down versioned because that's not how GO versioning works. Once you
	// set the version for a path, it's set in stone forever. (smart system!)
	// we could rename go.wit.com/widget to go.wit.com/newwidget and restart the versioning
	// system, but that's rediculous and this servers to always remind me to never make this mistake again
	var count int
	loop := me.repos.View.ReposSortByName()
	for loop.Scan() {
		repo := loop.Repo()
		if repo == nil {
			log.Info("initial scan repo = nil")
			continue
		}

		if repo.Status == nil {
			log.Info("repo.status == nil", repo.Name())
			continue
		}

		if repo.GoPath() == "go.wit.com/widget" {
			repo.Status.SetTargetVersion("v" + os.Getenv("GUIRELEASE_WIDGET"))
		} else {
			prefix := "v" + os.Getenv("GUIRELEASE_VERSION")
			lasttag := repo.Status.LastTag()
			if strings.HasPrefix(lasttag, prefix) {
				repo.Status.SetTargetVersion(lasttag)
			} else {
				repo.Status.SetTargetVersion(prefix)
			}
		}
		if strings.HasPrefix(repo.GoPath(), "go.wit.com/dev/") {
			lasttag := repo.Status.GetLastTagVersion()
			repo.Status.SetTargetVersion(lasttag)
		}
		// repo.NewScan()
		count += 1
	}
	log.Info("target versions set for", count, "repos")
}

// trys to figure out if the version needs to be incremented
func incrementTargetVersion() bool {
	var count int
	loop := me.repos.View.ReposSortByName()
	for loop.Scan() {
		repo := loop.Repo()
		if repo.ReadOnly() {
			continue
		}
		lasttag := repo.Status.GetLastTagVersion()
		master := repo.Status.GetMasterVersion()

		if lasttag != master {
			log.Info("increment target version", repo.GoPath(), lasttag, master)
			count += 1
		} else {
			// check go dependancies for target version changes
		}
	}
	log.Info("need to update target versions for", count, "repos")
	if count == 0 {
		return true
	}
	return false
}