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

package main

import (
	"fmt"
	"sync"
	"time"

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

	"go.wit.com/gui"
)

type repoProblemsWindow struct {
	once  sync.Once            // only init() the window once
	win   *gadgets.BasicWindow // the patches window
	stack *gui.Node            // the top box set as vertical
	shelf *gui.Node            // the first box in the stack, set as horizontal
	grid  *gui.Node            // the list of available patches
	// summary *patchSummary        // summary of current patches
	setgrid *gui.Node         // the list of each patchset
	pset    *forgepb.Patchset // the patchset in question
}

// todo: autogenerate these or make them standared 'gui' package functions
// make this an go interface somehow

// is the window hidden right now?
func (w *repoProblemsWindow) Hidden() bool {
	return w.win.Hidden()
}

// switches between the window being visable or hidden on the desktop
func (w *repoProblemsWindow) Toggle() {
	if w.Hidden() {
		w.Show()
	} else {
		w.Hide()
	}
}

// hides the window completely
func (w *repoProblemsWindow) Show() {
	w.win.Show()
}

func (w *repoProblemsWindow) Hide() {
	w.win.Hide()
}

// should be the first box/widget in the window
// greys out the window to the user
func (w *repoProblemsWindow) Disable() {
	w.stack.Disable()
}

func (w *repoProblemsWindow) Enable() {
	w.stack.Enable()
}

// you can only have one of these
func makeRepoProblemsWindow() *repoProblemsWindow {
	pw := new(repoProblemsWindow)

	// sync.Once()
	pw.win = gadgets.RawBasicWindow("Potential Repo Problems")
	pw.win.Make()
	pw.win.Show()

	pw.stack = pw.win.Box().NewBox("bw vbox", false)
	pw.win.Custom = func() {
		// sets the hidden flag to false so Toggle() works
		pw.win.Hide()
	}
	pw.stack.NewGroup("things (these don't work yet)")

	grid := pw.stack.RawGrid()
	var found *gitpb.Repos
	var txt string

	found = develBehindMasterProblem()
	txt = fmt.Sprintf("devel is behind master (%d)", found.Len())
	grid.NewButton(txt, func() {
		found := develBehindMasterProblem()
		win := gadgets.RawBasicWindow("pbgrid in window")
		win.Make()
		win.Show()
		box := win.Box().NewBox("bw vbox", false)

		win.Custom = func() {
			// sets the hidden flag to false so Toggle() works
			win.Hide()
		}

		t := found.NewTable("testDirty")
		t.SetParent(box)
		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()
		t.ShowTable()

		// makeStandardReposWindow(found, box)
	})

	found = remoteUserBranchProblem()
	txt = fmt.Sprintf("user branch is remote (%d)", found.Len())
	grid.NewButton(txt, func() {
		found := remoteUserBranchProblem()
		makeStandardReposWindow(found)
	})

	grid.NewButton("unknown branches", func() {
		log.Info("not done yet")
	})
	grid.NextRow()

	found = develRemoteProblem()
	txt = fmt.Sprintf("remote devel != local devel (%d)", found.Len())
	grid.NewButton(txt, func() {
		found := develRemoteProblem()
		makeStandardReposWindow(found)
	})

	found = masterRemoteProblem()
	txt = fmt.Sprintf("remote master != local master (%d)", found.Len())
	grid.NewButton(txt, func() {
		found := masterRemoteProblem()
		makeStandardReposWindow(found)
	})
	grid.NextRow()

	return pw
}

func develBehindMasterProblem() *gitpb.Repos {
	log.Info("not done yet")
	found := new(gitpb.Repos)
	all := me.forge.Repos.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		if repo.GetDevelVersion() == repo.GetMasterVersion() {
			continue
		}
		found.AppendByGoPath(repo)

	}
	return found
}

func remoteUserBranchProblem() *gitpb.Repos {
	found := new(gitpb.Repos)
	all := me.forge.Repos.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		username := repo.GetUserBranchName()
		if repo.IsBranchRemote(username) {
			found.AppendByGoPath(repo)
		}

	}
	return found
}

func develRemoteProblem() *gitpb.Repos {
	found := new(gitpb.Repos)
	all := me.forge.Repos.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		brname := repo.GetDevelBranchName()
		if !repo.IsBranchRemote(brname) {
			// log.Info("repo does not have remote devel branch", repo.GetGoPath())
			continue
		}
		lhash := repo.GetLocalHash(brname)
		rhash := repo.GetRemoteHash(brname)
		// log.Info(lhash, rhash, repo.GetGoPath())
		if lhash == "" || rhash == "" {
			// something is wrong if either of these are blank
			found.AppendByGoPath(repo)
			continue
		}
		if lhash == rhash {
			continue
		}
		found.AppendByGoPath(repo)

	}
	return found
}

func masterRemoteProblem() *gitpb.Repos {
	found := new(gitpb.Repos)
	all := me.forge.Repos.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		brname := repo.GetMasterBranchName()
		if !repo.IsBranchRemote(brname) {
			// log.Info("repo does not have remote devel branch", repo.GetGoPath())
			continue
		}
		lhash := repo.GetLocalHash(brname)
		rhash := repo.GetRemoteHash(brname)
		// log.Info(lhash, rhash, repo.GetGoPath())
		if lhash == "" || rhash == "" {
			// something is wrong if either of these are blank
			found.AppendByGoPath(repo)
			continue
		}
		if lhash == rhash {
			continue
		}
		found.AppendByGoPath(repo)

	}
	return found
}