package repolist

import (
	"path/filepath"
	"strings"

	"go.wit.com/lib/gui/repostatus"
	"go.wit.com/lib/gui/shell"
	"go.wit.com/log"
)

type Patch struct {
	Ref     string
	giturl  string
	comment string
	RS      *repostatus.RepoStatus
}

/* move all this to repolist and gowit repos
p, allp := s.GetPatches()
if s.allp == nil {
	s.allp = make([]*patch, 0, 0)
	s.allp = append(s.allp, allp...)
}
if dirty == 0 {
	s.totalPatchesOL.SetText(strconv.Itoa(p) + " patches")
	s.reason.Enable()
	// force the user to submit a reason to enable the submit button
	// s.submitB.Enable()
} else {
	s.totalPatchesOL.SetText(strconv.Itoa(p) + " patches + ? dirty")
}
*/

// move all this to repolist and gowit repos

func (repo *RepoRow) GetPatches(oldname string, newname string) (int, []*Patch) {
	var patchcount int
	patches := make([]*Patch, 0, 0)

	// git log --oneline devel..jcarr
	// userv := repo.Status.GetUserVersion()
	// develv := repo.Status.GetDevelVersion()
	// usern := repo.Status.GetUserBranchName()
	// develn := repo.Status.GetDevelBranchName()
	if oldname == newname {
		return 0, nil
	}
	// log.Info("repo userv, develv", userv, develv)
	gitcmd := []string{"git", "log", "--oneline", oldname + ".." + newname}
	log.Info("Run:", gitcmd)
	err, output := repo.Status.RunCmd(gitcmd)
	if err != nil {
		log.Info("git failed ", repo.GoPath(), "err =", err)
		return 0, nil
	}

	// patches = strings.Split(output, "\n")
	log.Info("Run:", output)
	for _, line := range strings.Split(output, "\n") {
		line = strings.TrimSpace(line)
		if line == "" {
			continue
		}
		parts := strings.Split(line, " ")
		newp := new(Patch)
		newp.RS = repo.Status
		newp.Ref = parts[0]
		newp.comment = strings.Join(parts[1:], " ")
		log.Info("Patch line:", line, newp.RS.String())
		patchcount += 1
		patches = append(patches, newp)
	}
	return patchcount, patches
}

func (repo *RepoRow) GetUserPatches() (int, []*Patch) {
	usern := repo.Status.GetUserBranchName()
	develn := repo.Status.GetDevelBranchName()
	userv := repo.Status.GetUserVersion()
	develv := repo.Status.GetDevelVersion()

	if userv == develv {
		return 0, nil
	}

	c, all := repo.GetPatches(develn, usern)
	log.Info("GetPatches() guireleaser", develn, usern, "count =", c)
	return c, all
}

func (repo *RepoRow) GetMasterPatches() (int, []*Patch) {
	lasttag := repo.LastTag()
	mastern := repo.Status.GetMasterBranchName()
	masterv := repo.Status.GetMasterVersion()

	if lasttag == masterv {
		return 0, nil
	}

	c, all := repo.GetPatches(lasttag, mastern)
	log.Info("GetPatches() guireleaser", lasttag, mastern, "count =", c)
	return c, all
}

func (r *RepoList) MakePatchset(setdir string) bool {
	for _, repo := range r.allrepos {
		userv := repo.Status.GetUserVersion()
		develv := repo.Status.GetDevelVersion()
		usern := repo.Status.GetUserBranchName()
		develn := repo.Status.GetDevelBranchName()
		if userv == develv {
			// this repo is unchanged
			continue
		}

		repodir := filepath.Join(setdir, repo.GoPath())
		shell.Mkdir(repodir)
		// git format-patch branch1..branch2
		gitcmd := []string{"git", "format-patch", "-o", repodir, develn + ".." + usern}
		log.Info("Run:", gitcmd)
		err, output := repo.Status.RunCmd(gitcmd)
		log.Info("output =", output)
		if err == nil {
			log.Info("patches made okay for:", repo.GoPath())
			continue
		}
		log.Info("patches failed for:", repo.GoPath())
		return false
	}
	return true
}