// 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"

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

type stdPatchsetTableWin struct {
	sync.Mutex
	win    *gadgets.GenericWindow  // the machines gui window
	box    *gui.Node               // the machines gui parent box widget
	TB     *forgepb.PatchsetsTable // the gui table buffer
	update bool                    // if the window should be updated
}

func (w *stdPatchsetTableWin) Toggle() {
	if w == nil {
		return
	}
	if w.win == nil {
		return
	}
	w.win.Toggle()
}

func makePatchsetsWin() *stdPatchsetTableWin {
	dwin := new(stdPatchsetTableWin)
	dwin.win = gadgets.NewGenericWindow("forge current patchsets", "patchset options")
	dwin.win.Custom = func() {
		log.Info("test delete window here")
	}
	grid := dwin.win.Group.RawGrid()

	grid.NewButton("ondisk", func() {
		openPatchsets()
		if me.psets == nil {
			log.Info("No Patchsets loaded")
			return
		}
		dwin.doPatchsetsTable(me.psets)
	})

	grid.NewButton("upstream", func() {
		psets, err := me.forge.GetPatchesets()
		if err != nil {
			log.Info("Get Patchsets failed", err)
			return
		}
		dwin.doPatchsetsTable(psets)
	})

	grid.NewButton("analyse and save patchsets", func() {
		if me.psets == nil {
			log.Info("No Patchsets loaded")
			return
		}
		all := me.psets.All()
		for all.Scan() {
			pset := all.Next()
			if pset.State == "" {
				log.Info("What is up with?", pset.Name)
				setPatchsetState(pset)
			} else {
				log.Info("patchset already had state", pset.Name, pset.State)
			}
		}
		savePatchsets()
	})

	// make a box at the bottom of the window for the protobuf table
	dwin.box = dwin.win.Bottom.Box().SetProgName("TBOX")

	// load and show the current patch sets
	openPatchsets()
	if me.psets == nil {
		log.Info("Open Patchsets failed")
		return dwin
	}
	dwin.doPatchsetsTable(me.psets)

	return dwin
}

func (dwin *stdPatchsetTableWin) doPatchsetsTable(currentPatchsets *forgepb.Patchsets) {
	dwin.Lock()
	defer dwin.Unlock()
	if dwin.TB != nil {
		dwin.TB.Delete()
		dwin.TB = nil
	}

	// display the protobuf
	dwin.TB = AddPatchsetsPB(dwin.box, currentPatchsets)
	f := func(pset *forgepb.Patchset) {
		log.Info("Triggered. do something here", pset.Name)
		/*
			win := makePatchWindow(pset)
			win.Show()
		*/
	}
	dwin.TB.Custom(f)
}

func AddPatchsetsPB(tbox *gui.Node, pb *forgepb.Patchsets) *forgepb.PatchsetsTable {
	t := pb.NewTable("PatchsetsPB")
	t.NewUuid()
	t.SetParent(tbox)

	t.AddStringFunc("#", func(p *forgepb.Patchset) string {
		return fmt.Sprintf("%d", p.Patches.Len())
	})

	testf := func(p *forgepb.Patchset) string {
		return "validate"
	}
	tp := t.AddButtonFunc("Analyze", testf)
	tp.Custom = func(p *forgepb.Patchset) {
		setPatchsetState(p)
		log.Info("patchset state", p.Name, "is", p.State)
	}

	vp := t.AddButtonFunc("View Patchset", func(p *forgepb.Patchset) string {
		return p.Name
	})
	vp.Custom = func(pset *forgepb.Patchset) {
		log.Info("show patches here", pset.Name)
		makePatchesWin(pset.Patches)
		// patchwin := makePatchesWin()
		// patchwin.doPatchesTable(pset.Patches)
		/*
			win := makePatchWindow(pset)
			win.Show()
		*/
	}

	t.AddComment()
	t.AddState()

	ctimef := func(p *forgepb.Patchset) string {
		ctime := p.Ctime.AsTime()
		return ctime.Format("2006/01/02 15:04")
	}
	t.AddStringFunc("ctime", ctimef)

	/*
		etimef := func(e *forgepb.Patchset) string {
			etime := e.Etime.AsTime()
			s := etime.Format("2006/01/02 15:04")
			if strings.HasPrefix(s, "1970/") {
				// just show a blank if it's not set
				return ""
			}
			return s
		}
		t.AddStringFunc("etime", etimef)
	*/

	t.AddStringFunc("Author", func(p *forgepb.Patchset) string {
		return fmt.Sprintf("%s <%s>", p.GitAuthorName, p.GitAuthorEmail)
	})

	t.AddUuid()

	t.ShowTable()
	return t
}

func setPatchsetState(p *forgepb.Patchset) {
	var bad bool
	var good bool
	var done bool = true

	all := p.Patches.All()
	for all.Scan() {
		patch := all.Next()
		// log.Info("patch:", patch.StartHash, patch.CommitHash, patch.RepoNamespace, patch.Filename)
		repo := me.forge.FindByGoPath(patch.RepoNamespace)
		if repo == nil {
			log.Info("couldn't find repo", patch.RepoNamespace)
			bad = true
			continue
		}
		if _, err := repo.GetHashName(patch.CommitHash); err == nil {
			// this patch has been applied
			patch.Applied = true
			done = true
			continue
		}
		if name, err := repo.GetHashName(patch.StartHash); err == nil {
			// it might be possible to apply this patch
			log.Info("patch may be good:", patch.RepoNamespace, name, patch.CommitHash, patch.Filename)
			good = true
		} else {
			// probably screwed up git trees
			log.Info("patch with unknown origin:", patch.RepoNamespace, name, err, patch.CommitHash, patch.Filename)
			bad = true
		}
	}
	if bad {
		p.State = "BAD"
		return
	}
	if good {
		p.State = "TRY"
		return
	}
	if done {
		p.State = "DONE"
		return
	}
}