// 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/debugger"
	"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()
			all := me.forge.Repos.SortByFullPath()
			for all.Scan() {
				repo := all.Next()
				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, "repo src home")
	grid.NewLabel("")
	var howtoWin *gadgets.GenericWindow
	me.demoB = grid.NewButton("Howto", func() {
		if howtoWin != nil {
			howtoWin.Toggle()
			return
		}
		howtoWin = makeHowtoWin()
	})
	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)
	}

	group1 := win.Stack.NewGroup("Forge Mode")
	grid = group1.RawGrid()
	me.forgeMode = grid.NewLabel("")
	me.forgeMode.SetText(me.forge.GetMode())

	me.newBranch = grid.NewDropdown()
	me.newBranch.AddText("master")
	me.newBranch.AddText("devel")
	me.newBranch.AddText(me.forge.Config.GetUsername())
	me.newBranch.Custom = func() {
		me.setBranchB.Disable()
		// toggle global values shared by the command line and the gui for doCheckout()
		switch me.newBranch.String() {
		case "master":
			if me.forge.Config.Mode != forgepb.ForgeMode_MASTER {
				me.setBranchB.Enable()
			}
		case "devel":
			if me.forge.Config.Mode != forgepb.ForgeMode_DEVEL {
				me.setBranchB.Enable()
			}
		default:
			if me.forge.Config.Mode != forgepb.ForgeMode_USER {
				me.setBranchB.Enable()
			}
		}
	}

	// select the branch you want to test, build and develop against
	// this lets you select your user branch, but, when you are happy
	// you can merge everything into the devel branch and make sure it actually
	// works. Then, when that is good, merge and version everything in master
	me.setBranchB = grid.NewButton("Switch mode", func() {
		win.Disable()
		defer win.Enable()

		switch me.newBranch.String() {
		case "master":
			forgeSwitchMode(forgepb.ForgeMode_MASTER)
		case "devel":
			forgeSwitchMode(forgepb.ForgeMode_DEVEL)
		default:
			forgeSwitchMode(forgepb.ForgeMode_USER)
		}

		me.setBranchB.Disable()
	})
	me.setBranchB.Disable()

	grid.NextRow()

	groupM := win.Stack.NewGroup("Mode Windows")
	gridM := groupM.RawGrid()

	var releaseWin *gadgets.GenericWindow
	me.modeReleaseW = 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()
	})
	me.modeReleaseW.Disable()

	// the Devel / Patch mode window
	var patchWin *patchesWindow
	me.modePatchW = gridM.NewButton("Patch Window", func() {
		if patchWin != nil {
			patchWin.Toggle()
			return
		}
		patchWin = new(patchesWindow)
		patchWin.initWindow()
		patchWin.Show()
	})
	me.modePatchW.Disable()

	// the user mode "hack Window"
	var hackWin *gadgets.GenericWindow
	me.modeUserW = gridM.NewButton("Hack Window", func() {
		if hackWin != nil {
			hackWin.Toggle()
			return
		}
		hackWin := gadgets.NewGenericWindow("Hack / User Mode Window", "Things that might be wrong")
		grid := hackWin.Group.RawGrid()
		grid.NewButton("git pull", func() {
			log.Info("todo: run git pull on each repo")
		})

		me.repoDevelMergeB = grid.NewButton("merge", func() {
			found := findMergeToDevel()
			_, box := makeStandardReposWindow("repos to merge from user to devel", found)
			hbox := box.Box().Horizontal()
			hbox.NewButton("merge all", func() {
				win.Disable()
				defer win.Enable()
				all := found.SortByFullPath()
				for all.Scan() {
					repo := all.Next()
					if repo.CheckDirty() {
						log.Info("repo is dirty", repo.GetGoPath())
						continue
					}
					log.Info("Starting merge on", repo.GetGoPath())
					if repo.CheckoutDevel() {
						log.Info("checkout devel failed", repo.GetGoPath())
						return
					}
					if _, err := repo.MergeToDevel(); err != nil {
						log.Info("merge from user failed", repo.GetGoPath(), err)
						// log.Info(strings.Join(r.Stdout, "\n"))
						// log.Info(strings.Join(r.Stderr, "\n"))
						return
					}
					if repo.CheckoutMaster() {
						log.Info("checkout master failed", repo.GetGoPath())
						return
					}
					if _, err := repo.MergeToMaster(); err != nil {
						log.Info("merge from devel failed", repo.GetGoPath(), err)
						return
					}

				}
			})
		})
		var problemsWin *repoProblemsWindow
		grid.NewButton("Repo Problems", func() {
			if problemsWin != nil {
				problemsWin.Toggle()
				return
			}
			problemsWin = makeRepoProblemsWindow()
		})
		grid.NextRow()

		// grid := hackWin.Group.RawGrid()
		group2 := hackWin.Stack.NewGroup("Merge")
		grid = group2.RawGrid()

		grid.NewButton("merge to devel", func() {
			win.Disable()
			defer win.Enable()

			mergeUserToDevel(true)
		})

		grid.NewButton("merge to master", func() {
			win.Disable()
			defer win.Enable()

			mergeDevelToMaster(true)
		})

		grid.NewButton("merge all", func() {
			win.Disable()
			defer win.Enable()

			me.argvCheckoutUser = false
			me.argvCheckoutDevel = true
			me.argvCheckoutMaster = false
			if err := doCheckoutShared(); err != nil {
				log.Info("checkout error:", err)
			} else {
				log.Info("checkout was ok")
			}

			mergeUserToDevel(true)

			me.argvCheckoutUser = false
			me.argvCheckoutDevel = false
			me.argvCheckoutMaster = true
			if err := doCheckoutShared(); err != nil {
				log.Info("checkout error:", err)
			} else {
				log.Info("checkout was ok")
			}

			mergeDevelToMaster(true)
		})

		group3 := hackWin.Stack.NewGroup("work in progress")
		grid = group3.RawGrid()

		grid.NewButton("forge ConfigSave()", func() {
			me.forge.ConfigSave()
		})

		grid.NewButton("debugger()", func() {
			debugger.DebugWindow()
		})
	})

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

	// set the initial button state based on the last
	// forge mode the user saved in the config file
	switch me.forge.Config.Mode {
	case forgepb.ForgeMode_MASTER:
		me.newBranch.SetText("master")
	case forgepb.ForgeMode_DEVEL:
		me.newBranch.SetText("devel")
	case forgepb.ForgeMode_USER:
		me.newBranch.SetText(me.forge.Config.GetUsername())
	default:
		me.newBranch.SetText(me.forge.Config.GetUsername())
	}

	forgeSwitchMode(me.forge.Config.Mode)
}

func makeReposWin() *gadgets.GenericWindow {
	win := gadgets.NewGenericWindow("git repos", "All about git repos")
	grid := win.Group.RawGrid()

	me.repoDirtyB = grid.NewButton("dirty", func() {
		doCheckDirtyAndConfigSave()
		found := findDirty()
		tb, box := makeStandardReposWindow("dirty repos", found)
		hbox := box.Box().Horizontal()
		hbox.NewButton("commit all", func() {
			all := found.SortByFullPath()
			for all.Scan() {
				repo := all.Next()
				log.Info("do commit here on", repo.GetGoPath())
			}
			log.Info("TODO: fix this")
			log.Info("run 'forge commit --all'")
		})
		hbox.NewButton("update table", func() {
			me.forge.PrintHumanTable(found)
			found2 := findDirty()
			me.forge.PrintHumanTable(found2)
			tb.Update()
			tb.UpdateTable(found2)
		})
		hbox.NewButton("delete table", func() {
			tb.Delete()
		})
	})

	var writeWin *gadgets.GenericWindow
	me.repoWritableB = grid.NewButton("writable", func() {
		// if the window exists, just toggle it open or closed
		if writeWin != nil {
			writeWin.Toggle()
			return
		}

		// make the window for the first time
		found := new(gitpb.Repos)
		all := me.forge.Repos.SortByFullPath()
		for all.Scan() {
			repo := all.Next()
			if me.forge.Config.IsReadOnly(repo.GetGoPath()) {
				continue
			}

			found.AppendByGoPath(repo)

		}
		writeWin, _ = makeWritableWindow(found)
		writeWin.Win.Custom = func() {
			log.Info("closing window. could do somethine here")
		}
	})

	me.repoAllB = grid.NewButton("All", func() {
		me.found = new(gitpb.Repos)
		all := me.forge.Repos.SortByFullPath()
		for all.Scan() {
			repo := all.Next()
			me.found.AppendByGoPath(repo)

		}
		makeStandardReposWindow("All repos", me.found)
	})

	grid.NewButton("Configure", func() {
		log.Info("add a forge config window here")
	})

	return win
}

// verify the GUI button disable/enable settings
func forgeVerifyGuiState() {
	me.forgeMode.SetText(me.forge.GetMode())

	me.argvCheckoutUser = false
	me.argvCheckoutDevel = false
	me.argvCheckoutMaster = false

	me.modeReleaseW.Disable()
	me.modePatchW.Disable()
	me.modeUserW.Disable()

	switch me.forge.Config.Mode {
	case forgepb.ForgeMode_MASTER:
		me.argvCheckoutMaster = true
		me.newBranch.SetText("master")
		me.modeReleaseW.Enable()
	case forgepb.ForgeMode_DEVEL:
		me.argvCheckoutDevel = true
		me.newBranch.SetText("devel")
		me.modePatchW.Enable()
	case forgepb.ForgeMode_USER:
		me.newBranch.SetText(me.forge.Config.GetUsername())
		me.argvCheckoutUser = true
		me.modeUserW.Enable()
	default:
		me.newBranch.SetText(me.forge.Config.GetUsername())
		me.argvCheckoutUser = true
		me.modeUserW.Enable()
	}
}

// sets the text in the labels in the window
// and hides and shows the buttons
func forgeSwitchMode(newMode forgepb.ForgeMode) {
	if newMode == me.forge.Config.Mode {
		log.Info("you are already on", newMode.String())
		forgeVerifyGuiState() // doing this here initializes the button state
		return
	}

	me.forge.Config.Mode = newMode
	forgeVerifyGuiState() // update the button states

	me.forge.Config.ConfigSave()
}

func doDisableUserW() {
	me.argvCheckoutUser = false
	me.modeUserW.Disable()

	var count int
	all := me.forge.Repos.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		if !repo.IsLocalBranch(repo.GetUserBranchName()) {
			// log.Info("repo doesn't have user branch", repo.GetGoPath())
			continue
		}
		count += 1
	}

	if count > 0 {
		s := fmt.Sprintf("git delete %d user branches", count)
		me.modeUserW.SetLabel(s)
		me.modeUserW.Enable()
		return
	}
}

// this is the magic that generates a window directly from the protocol buffer
func makeStandardReposGrid(pb *gitpb.Repos) *gitpb.ReposTable {
	t := pb.NewTable("testDirty")
	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 makeWritableWindow(pb *gitpb.Repos) (*gadgets.GenericWindow, *gitpb.ReposTable) {
	win := gadgets.NewGenericWindow("Repos You have write access to", "Configure")
	t := pb.NewTable("testForgeRepos")
	t.NewUuid()

	grid := win.Group.RawGrid()
	grid.NewButton("git pull", func() {
		log.Info("todo: run git pull on each repo")
	})

	grid.NewButton("do repos.ReScan()", func() {
		t.Update()
	})

	tbox := win.Bottom.Box()
	t.SetParent(tbox)

	sf := t.AddStringFunc("repo", func(r *gitpb.Repo) string {
		return r.GetGoPath()
	})
	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()
	t.ShowTable()
	return win, t
}

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

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

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

}

func mergeDevelToMaster(doit bool) {
	findMergeToMaster()

	if !doit {
		return
	}

	all := me.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()
}