package gitpb

import (
	"strings"
	"time"

	"go.wit.com/log"
	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
)

// does a fast check with os.Stat()
// if the mtimes changed, does a full repo.Reload()
func (repo *Repo) ReloadCheck() error {
	if !repo.DidRepoChange() {
		return nil
	}
	// f.configSave = true
	err := repo.Reload()
	return err
}

// TODO: clean this up more, but it is working now more or less
func (repo *Repo) Reload() error {
	// log.Info("in reload", repo.FullPath)
	repo.Tags = new(GitTags)
	repo.reloadGitTags()

	repo.GoDeps = new(GoDeps)
	if repo.GoInfo == nil {
		repo.GoInfo = new(GoInfo)
	}
	repo.ParseGoSum() // also sets GoPrimitive
	repo.reloadVersions()
	repo.setRepoType()

	// this is probably a good place & time to store these
	repo.reloadMtimes()

	repo.CheckDirty()
	repo.setRepoState()

	if repo.GitConfig == nil {
		if err := repo.updateGitConfig(); err != nil {
			return err
		}
	}

	// LastUpdate should always be the newest time
	repo.Times.LastUpdate = timestamppb.New(time.Now())
	return nil
}

func (repo *Repo) SetDevelBranchName(bname string) {
	repo.DevelBranchName = bname
}

func (repo *Repo) SetUserBranchName(bname string) {
	repo.UserBranchName = bname
}

// updates LastTag by age
func (repo *Repo) setLastTag() {
	repo.LastTag = repo.FindLastTag()
}

func (repo *Repo) setCurrentBranchName() {
	repo.CurrentBranchName = ""
	r, err := repo.RunQuiet([]string{"git", "branch", "--show-current"})
	output := strings.Join(r.Stdout, "\n")
	if err != nil {
		log.Log(WARN, "GetCurrentBranchName() not in a git repo?", err, repo.GetGoPath())
		log.Log(WARN, "GetCurrentBranchName() output might have worked anyway:", output)
	}
	repo.CurrentBranchName = strings.TrimSpace(output)
}

// always spawns 'git' and always should spawn 'git'
func (repo *Repo) setCurrentBranchVersion() {
	repo.CurrentBranchVersion = ""
	if repo == nil {
		log.Info("repo.GetCurrentBranchVersion() repo == nil")
		return
	}
	r, err := repo.RunQuiet([]string{"git", "describe", "--tags", "--always"})
	output := strings.Join(r.Stdout, "\n")
	if err != nil {
		log.Log(WARN, "GetCurrentBranchVersion() not in a git repo?", err, repo.GetGoPath())
		log.Log(WARN, "GetCurrentBranchVersion() output might have worked anyway:", output)
	}
	repo.CurrentBranchVersion = strings.TrimSpace(output)
}