// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0

package main

// An app to submit patches for the 30 GO GUI repos

import (
	"fmt"
	"os"
	"time"

	"go.wit.com/gui"
	"go.wit.com/lib/gadgets"
	"go.wit.com/lib/gui/shell"
	"go.wit.com/lib/protobuf/forgepb"
	"go.wit.com/lib/protobuf/gitpb"
	"go.wit.com/log"
)

func debug() {
	time.Sleep(2 * time.Second)
	for {
		now := time.Now()

		if me.repoAllB != nil {
			tmp := fmt.Sprintf("All (%d)", me.forge.Repos.Len())
			me.repoAllB.SetLabel(tmp)
		}

		if me.repoDevelMergeB != nil {
			found := findMergeToDevel()
			tmp := fmt.Sprintf("needs merge to devel (%d)", found.Len())
			me.repoDevelMergeB.SetLabel(tmp)
		}

		if me.repoWritableB != nil {
			found := gitpb.NewRepos()
			for repo := range me.forge.Repos.IterByFullPath() {
				if me.forge.Config.IsReadOnly(repo.GetGoPath()) {
					continue
				}

				found.AppendByGoPath(repo)

			}
			tmp := fmt.Sprintf("writable (%d)", found.Len())
			me.repoWritableB.SetLabel(tmp)
		}

		doCheckDirtyAndConfigSave()
		found := findDirty()
		dirty := found.Len()

		if me.repoDirtyB != nil {
			tmp := fmt.Sprintf("dirty (%d)", dirty)
			me.repoDirtyB.SetLabel(tmp)
		}

		if me.reposWinB != nil {
			tmp := fmt.Sprintf("Repos (%d)", me.forge.Repos.Len())
			if dirty > 0 {
				tmp = fmt.Sprintf("Repos (%d) (%d dirty)", me.forge.Repos.Len(), dirty)
			}
			me.reposWinB.SetLabel(tmp)
		}

		log.Printf("finished a forge scan here in (%s)\n", shell.FormatDuration(time.Since(now)))
		time.Sleep(90 * time.Second)
	}
}

func doGui() {
	if me.forge.Config.GetDefaultGui() == "" {
		me.forge.Config.DefaultGui = "gocui"
		me.forge.ConfigSave()
	}
	me.myGui = gui.New()
	me.myGui.InitEmbed(resources)
	me.myGui.SetAppDefaultPlugin(me.forge.Config.DefaultGui) // sets the default GUI plugin to use
	me.myGui.Default()

	mainWindow := gadgets.NewGenericWindow("Forge: (this kinda works sometimes)", "Current Settings")
	mainWindow.Custom = func() {
		log.Warn("MAIN WINDOW CLOSE")
		now := time.Now()
		count := me.forge.RillReload()
		log.Info("Repo Reload count =", count)
		if count != 0 {
			me.forge.ConfigSave()
		}
		log.Printf("rill repos.Reload() took (%s)\n", shell.FormatDuration(time.Since(now)))
		os.Exit(0)
	}

	drawWindow(mainWindow)

	// sits here forever
	debug()

}

func drawWindow(win *gadgets.GenericWindow) {
	grid := win.Group.RawGrid()
	me.goSrcPwd = gadgets.NewOneLiner(grid, "Working Directory")
	grid.NewLabel("")

	grid.NextRow()

	me.goSrcPwd.SetText(me.forge.GetGoSrc())

	// use ENV GIT_AUTHOR
	me.gitAuthor = gadgets.NewOneLiner(grid, "Git Author")
	grid.NextRow()

	if os.Getenv("GIT_AUTHOR_NAME") == "" {
		me.gitAuthor.SetText("ENV GIT_AUTHOR_NAME is unset")
	} else {
		author := os.Getenv("GIT_AUTHOR_NAME")
		author += " <" + os.Getenv("GIT_AUTHOR_EMAIL") + ">"
		me.gitAuthor.SetText(author)
	}

	grid.NextRow()

	// groupM := hbox.NewGroup("Windows")
	// gridM := groupM.RawGrid()
	// hbox := win.Stack.Box().Horizontal()
	gridM := win.Stack.RawGrid()

	var releaseWin *gadgets.GenericWindow
	gridM.NewButton("Release Window", func() {
		log.Info("todo: move releaser here")
		log.Info("for now, run guireleaser")
		if releaseWin != nil {
			releaseWin.Toggle()
			return
		}
		releaseWin = makeModeMasterWin()
	})

	var patches *stdPatchsetTableWin
	gridM.NewButton("Patch Window", func() {
		if patches != nil {
			patches.Toggle()
			return
		}
		patches = makePatchsetsWin()
	})

	var insertWin *gadgets.GenericWindow
	s := fmt.Sprintf("Repos (%d)", me.forge.Repos.Len())
	me.reposWinB = gridM.NewButton(s, func() {
		// if the window exists, just toggle it open or closed
		if insertWin != nil {
			insertWin.Toggle()
			return
		}

		insertWin = makeReposWinNew()
	})

	// var reposWin *gadgets.GenericWindow
	var reposWin *stdReposTableWin
	gridM.NewButton("Fix Repos", func() {
		if reposWin != nil {
			reposWin.Toggle()
			return
		}
		reposWin = makeReposWin()
	})

	var patchesWin *stdPatchTableWin
	gridM.NewButton("Pending patches", func() {
		if patchesWin != nil {
			patchesWin.Toggle()
			return
		}
		loadUpstreamPatchsets()
		if me.psets == nil {
			log.Info("failed to download current patchsets")
			return
		}
		notdone := new(forgepb.Patches)

		all := me.psets.All()
		for all.Scan() {
			pset := all.Next()
			AddNotDonePatches(notdone, pset, false)
		}

		for patch := range notdone.IterAll() {
			comment := cleanSubject(patch.Comment)
			log.Info("new patch:", patch.NewHash, "commithash:", patch.CommitHash, patch.RepoNamespace, comment)
		}
		// savePatchsets()
		patchesWin = makePatchesWin(notdone)
	})

	gridM.NextRow()
	var howtoWin *gadgets.GenericWindow
	gridM.NewButton("Tutorial", func() {
		if howtoWin != nil {
			howtoWin.Toggle()
			return
		}
		howtoWin = makeHowtoWin()
	})

	gridM.NextRow()
	gridM.NewLabel("")
}

// this is the magic that generates a window directly from the protocol buffer
func makeStandardReposGrid(pb *gitpb.Repos) *gitpb.ReposTable {
	t := pb.NewTable("testDirty")
	t.NewUuid()
	sf := t.AddStringFunc("repo", func(r *gitpb.Repo) string {
		return r.GetGoPath()
	})
	// t.Custom = func() {
	// 	log.Info("close grid?")
	// }
	sf.Custom = func(r *gitpb.Repo) {
		log.Info("do button click on", r.GetGoPath())
	}
	t.AddTimeFunc("age", func(repo *gitpb.Repo) time.Time {
		return repo.NewestTime()
	})
	t.AddMasterVersion()
	t.AddDevelVersion()
	t.AddUserVersion()
	t.AddCurrentBranchName()
	t.AddState()
	return t
}

// this is the magic that generates a window directly from the protocol buffer
func makeStandardReposWindow(title string, pb *gitpb.Repos) (*gitpb.ReposTable, *gui.Node) {
	win := gadgets.RawBasicWindow(title)
	win.Make()
	win.Show()
	win.Custom = func() {
		// sets the hidden flag to false so Toggle() works
		win.Hide()
	}
	box := win.Box().NewBox("bw vbox", false)

	t := makeStandardReposGrid(pb)
	t.SetParent(box)
	t.ShowTable()
	return t, box
}

func findMergeToDevel() *gitpb.Repos {
	found := gitpb.NewRepos()

	for repo := range me.forge.Repos.IterByFullPath() {
		// this sees if user has patches for devel. If it does, add it to found
		if repo.CountDiffObjects(repo.GetUserBranchName(), repo.GetDevelBranchName()) > 0 {
			found.AppendByGoPath(repo)
		}
	}
	now := time.Now()
	if found.Len() == 0 {
		log.Info("nothing to merge with devel")
		return found
	}
	// me.forge.PrintHumanTable(found)

	// check for merges from devel
	total, count, nope, _ := IsEverythingOnDevel()
	log.Printf("devel branch check. %d total repos. (%d ok) (%d not on devel branch) (%s)\n", total, count, nope, shell.FormatDuration(time.Since(now)))
	return found
}

func findMergeToMaster() *gitpb.Repos {
	found := new(gitpb.Repos)

	all := me.forge.Repos.SortByFullPath()
	for all.Scan() {
		repo := all.Next()

		if me.forge.Config.IsReadOnly(repo.GetGoPath()) {
			continue
		}
		/*
			if repo.IsDirty() {
				continue
			}
			if repo.GetMasterVersion() != repo.GetDevelVersion() {
				me.found.AppendByGoPath(repo)
				continue
			}
		*/

		// this sees if devel is behind master. IT SHOULD NOT BE
		if repo.CountDiffObjects(repo.GetMasterBranchName(), repo.GetDevelBranchName()) == 0 {
			// everything is normal
		} else {
			repo.State = "DEVEL < MASTER"
			log.Info("SERIOUS ERROR. DEVEL BRANCH IS BEHIND MASTER", repo.GetGoPath())
		}

		// this sees if devel has patches for master. If it does, add it to me.found
		if repo.CountDiffObjects(repo.GetDevelBranchName(), repo.GetMasterBranchName()) > 0 {
			found.AppendByGoPath(repo)
		}
	}
	now := time.Now()
	if found.Len() == 0 {
		log.Info("nothing to merge with master")
		return found
	}
	me.forge.PrintHumanTable(found)

	// check for merges from devel
	total, count, nope, _ := IsEverythingOnMaster()
	log.Printf("Master branch check. %d total repos. (%d ok) (%d not on master branch) (%s)\n", total, count, nope, shell.FormatDuration(time.Since(now)))

	return found
}

func mergeDevelToMaster(doit bool) {
	found := findMergeToMaster()

	if !doit {
		return
	}

	all := found.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		log.Info("repo:", repo.GetGoPath())
		if result, err := repo.MergeToMaster(); err == nil {
			log.Warn("THINGS SEEM OK", repo.GetFullPath())
			for _, line := range result.Stdout {
				log.Warn("stdout:", line)
			}
			for _, line := range result.Stderr {
				log.Warn("stderr:", line)
			}
		} else {
			log.Warn("THINGS FAILED ", repo.GetFullPath())
			log.Warn("err", err)
			if result == nil {
				break
			}
			for _, line := range result.Stdout {
				log.Warn("stdout:", line)
			}
			for _, line := range result.Stderr {
				log.Warn("stderr:", line)
			}
			log.Warn("THINGS FAILED ", repo.GetFullPath())
			break
		}
		me.forge.SetConfigSave(true)
		// view.Update()
	}
	me.forge.ConfigSave()
}

func mergeUserToDevel(doit bool) {
	found := findMergeToDevel()

	if !doit {
		return
	}

	all := found.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		bruser := repo.GetUserBranchName()
		brdevel := repo.GetDevelBranchName()

		if repo.GetUserVersion() == "uerr" {
			// no user branch
			return
		}
		log.Info("trying", bruser, repo.GetUserVersion())

		b1 := repo.CountDiffObjects(bruser, brdevel) // should be zero
		if b1 == 0 {
			// log.Info("User is already merged into Devel", repo.GetGoPath(), cmd)
			return
		}
		log.Info("merging user into devel repo:", repo.GetGoPath())
		if result, err := repo.MergeToDevel(); err == nil {
			log.Warn("THINGS SEEM OK", repo.GetFullPath())
			for _, line := range result.Stdout {
				log.Warn("stdout:", line)
			}
			for _, line := range result.Stderr {
				log.Warn("stderr:", line)
			}
		} else {
			log.Warn("THINGS FAILED ", repo.GetFullPath())
			log.Warn("err", err)
			if result == nil {
				break
			}
			for _, line := range result.Stdout {
				log.Warn("stdout:", line)
			}
			for _, line := range result.Stderr {
				log.Warn("stderr:", line)
			}
			break
		}
		me.forge.SetConfigSave(true)
		// view.Update()
	}
	me.forge.ConfigSave()
}