package gitpb

import "go.wit.com/log"

func (repo *Repo) CheckoutMaster() bool {
	bName := repo.GetMasterBranchName()
	if repo.checkoutBranch(bName) {
		return true
	}
	return false
}

func (repo *Repo) CheckoutDevel() bool {
	bName := repo.GetDevelBranchName()
	if repo.checkoutBranch(bName) {
		repo.UserBranchName = bName
		return true
		// switch ok
	}
	return false
}

func (repo *Repo) CheckoutUser() bool {
	bName := repo.GetUserBranchName()
	if repo.checkoutBranch(bName) {
		repo.UserBranchName = bName
		return true
	}
	return false
}

func (repo *Repo) BranchExists(bName string) bool {
	// fixme after move to protobuf
	return true
}

func (repo *Repo) checkoutBranch(bName string) bool {
	if !repo.BranchExists(bName) {
		return false
	}
	if bName == "" {
		return false
	}
	if repo.CheckDirty() {
		log.Log(GITPB, repo.GetFullPath(), "is dirty")
		return false
	}
	cmd := []string{"git", "checkout", bName}
	r := repo.Run(cmd)
	if r.Error != nil {
		log.Log(GITPB, "git checkout error:", r.Error)
	}

	realname := repo.GetCurrentBranchName()
	realversion := repo.GetCurrentBranchVersion()
	log.Log(GITPB, repo.GetFullPath(), "realname =", realname, "realversion =", realversion)

	if realname != bName {
		log.Log(GITPB, "git checkout failed", repo.GetFullPath(), bName, "!=", realname)
		return false
	}
	return true
}