package main

import (
	"path/filepath"
	"strconv"

	"go.wit.com/gui"
	"go.wit.com/lib/gadgets"
	"go.wit.com/lib/gui/gowit"
	"go.wit.com/lib/gui/repolist"
	"go.wit.com/lib/gui/shell"
	"go.wit.com/log"
)

/*
type patch struct {
	ref     string
	giturl  string
	comment string
	rs      *repostatus.RepoStatus
}
*/

type patchSummary struct {
	grid     *gui.Node
	updateB  *gui.Node
	docsB    *gui.Node
	gitPushB *gui.Node
	gitPullB *gui.Node
	checkB   *gui.Node

	// stats
	totalOL            *gadgets.OneLiner
	totalGoOL          *gadgets.OneLiner
	dirtyOL            *gadgets.OneLiner
	readonlyOL         *gadgets.OneLiner
	totalPatchesOL     *gadgets.OneLiner
	totalUserRepos     *gui.Node
	totalDevelRepos    *gui.Node
	totalMasterRepos   *gui.Node
	totalUserPatches   *gui.Node
	totalDevelPatches  *gui.Node
	totalMasterPatches *gui.Node

	// patch set generation
	unknownOL      *gadgets.BasicEntry
	unknownSubmitB *gui.Node
	reason         *gadgets.BasicEntry
	submitB        *gui.Node
	allp           []*repolist.Patch
}

func submitPatchesBox(box *gui.Node) *patchSummary {
	s := new(patchSummary)
	group1 := box.NewGroup("Submit Patches Summary")
	s.grid = group1.RawGrid()

	s.grid.NewButton("Count Patches", func() {
		var repocount, patchcount int
		for _, repo := range repolist.AllRepos() {
			if repo.ReadOnly() {
				continue
			}
			i, _ := repo.GetMasterPatches()
			patchcount += i
			if i > 0 {
				repocount += 1
			}
		}
		s.totalMasterPatches.SetText(strconv.Itoa(patchcount) + " patches")
		s.totalMasterRepos.SetText(strconv.Itoa(repocount) + " go repos")

		repocount = 0
		patchcount = 0
		for _, repo := range repolist.AllRepos() {
			if repo.ReadOnly() {
				continue
			}
			i, _ := repo.GetUserPatches()
			patchcount += i
			if i > 0 {
				repocount += 1
			}
		}
		s.totalUserPatches.SetText(strconv.Itoa(patchcount) + " patches")
		s.totalUserRepos.SetText(strconv.Itoa(repocount) + " go repos")
	})

	s.grid.NewButton("summary.Update()", func() {
		// update the stats
		s.Update()
	})

	s.grid.NewButton("List Patches", func() {
		for i, p := range s.allp {
			log.Info(i, p.Ref, p.RS.String())
		}
	})

	s.grid.NextRow()

	s.totalOL = gadgets.NewOneLiner(s.grid, "Total")
	s.grid.NextRow()

	s.totalGoOL = gadgets.NewOneLiner(s.grid, "Total GO")
	s.grid.NextRow()

	s.dirtyOL = gadgets.NewOneLiner(s.grid, "dirty")
	s.grid.NextRow()

	s.readonlyOL = gadgets.NewOneLiner(s.grid, "read-only")
	s.grid.NextRow()

	// s.grid = group1.RawGrid()
	s.grid.NewLabel("")
	s.grid.NewLabel("")
	s.grid.NewLabel("user to devel")
	s.grid.NewLabel("devel to master")
	s.grid.NewLabel("master to last tag")
	s.grid.NextRow()

	s.grid.NewLabel("total modified")
	s.grid.NewLabel("")
	s.totalUserRepos = s.grid.NewLabel("x go repos")
	s.totalDevelRepos = s.grid.NewLabel("")
	s.totalMasterRepos = s.grid.NewLabel("x go repos")
	s.grid.NextRow()

	s.totalPatchesOL = gadgets.NewOneLiner(s.grid, "total commits")
	s.totalUserPatches = s.grid.NewLabel("x patches")
	s.totalDevelPatches = s.grid.NewLabel("")
	s.totalMasterPatches = s.grid.NewLabel("x patches")
	s.grid.NextRow()

	s.grid.NewLabel("")
	s.grid.NewLabel("")
	s.grid.NewButton("merge from user", func() {})
	s.grid.NewButton("merge from devel", func() {})
	s.grid.NextRow()

	group1 = box.NewGroup("Create GUI Patch Set")
	s.grid = group1.RawGrid()
	s.reason = gadgets.NewBasicEntry(s.grid, "patch name:")
	s.reason.Custom = func() {
		if s.reason.String() != "" {
			s.submitB.Enable()
		} else {
			s.submitB.Disable()
		}
	}
	s.submitB = s.grid.NewButton("Submit Patches", func() {
		patchdir := filepath.Join(me.userHomePwd.String(), "autotypist.patchset")
		if shell.Exists(patchdir) {
			log.Info("patchset dir already exists", patchdir)
			return
		} else {
			shell.Mkdir(patchdir)
		}
		if !shell.Exists(patchdir) {
			log.Info("something went wrong making", patchdir)
			return
		}
	})
	// disable these until there are not dirty repos
	s.reason.Disable()
	s.submitB.Disable()
	s.grid.NextRow()

	// map a path to gitea
	s.unknownOL = gadgets.NewBasicEntry(s.grid, "Unknown Repo:")
	s.unknownSubmitB = s.grid.NewButton("map new repo path", func() {
		log.Info("Submit repo:", s.unknownOL.String())
		repo := me.repos.View.FindRepo(s.unknownOL.String())
		if repo == nil {
			log.Info("could not find repo:", s.unknownOL.String(), "in ~/go/src")
			return
		}

		localurl := repo.Status.GitURL()
		log.Info("found repo:", repo.GoPath(), "with giturl", localurl)
		if localurl == "" {
			log.Info("local repo check failed. repo")
		} else {
			log.Info("local repo has", localurl)
			// check if go.wit.com works, if not, add it
			// attempts to register the unknown repo
			if gowit.Register(repo.GoPath(), localurl) {
				// todo: check if this works
				// s.unknownOL.Hide()
				// s.unknownSubmitB.Hide()
			}
		}
	})
	s.unknownOL.Disable()
	s.unknownSubmitB.Disable()
	s.grid.NextRow()

	return s
}

// does not run any commands
func (s *patchSummary) Update() {
	var total, totalgo, dirty, readonly int
	var userT, develT, masterT int
	// var userP, develP, masterP int
	for _, repo := range repolist.AllRepos() {
		total += 1
		if repo.Status.IsDirty() {
			dirty += 1
		}
		if repo.Status.IsGoLang() {
			totalgo += 1
		}
		if repo.Status.ReadOnly() {
			readonly += 1
			// don't count these in any further stats
			continue
		}
		// compute which GUI repos are out of sync with master
		userV := repo.Status.GetUserVersion()
		develV := repo.Status.GetDevelVersion()
		masterV := repo.Status.GetMasterVersion()
		lastV := repo.Status.GetLastTagVersion()
		if userV != develV {
			userT += 1
		}
		if develV != masterV {
			log.Info("develV != masterV", develV, masterV, repo.GoPath())
			develT += 1
		}
		if masterV != lastV {
			masterT += 1
		}
	}
	s.totalOL.SetText(strconv.Itoa(total) + " repos")
	s.totalGoOL.SetText(strconv.Itoa(totalgo) + " repos")
	s.dirtyOL.SetText(strconv.Itoa(dirty) + " repos")
	s.readonlyOL.SetText(strconv.Itoa(readonly) + " repos")

	s.totalUserRepos.SetText(strconv.Itoa(userT) + " repos")
	s.totalDevelRepos.SetText(strconv.Itoa(develT) + " repos")
	s.totalMasterRepos.SetText(strconv.Itoa(masterT) + " repos")

	if dirty == 0 {
		s.reason.Enable()
		s.submitB.Enable()
		s.unknownOL.Enable()
		s.unknownSubmitB.Enable()
	} else {
		s.reason.Disable()
		s.submitB.Enable()
		s.unknownOL.Enable()
		s.unknownSubmitB.Enable()
	}
}