// 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"
	"io"
	"os"
)

// this file is named poorly. It has more than Sort()

func (pb *Files) makeGuiFile(pf *File) error {
	newf, _ := os.OpenFile(pf.Filebase+".gui.pb.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
	defer newf.Close()

	headerGui(newf, pf)

	fmt.Fprintf(newf, "// START GUI\n")
	fmt.Fprintf(newf, "\n")

	guiMain(newf, "Fruits", "Fruit")
	guiStringFuncs(newf, pf.Package, "Fruits", "Fruit")

	fmt.Fprintf(newf, "\n")
	fmt.Fprintf(newf, "// END GUI\n")

	return nil
}

func headerGui(w io.Writer, pf *File) {
	// header must come first
	headerComment(w)

	fmt.Fprintf(w, "package %s\n", pf.Package)
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "import (")
	fmt.Fprintln(w, "	\"time\"")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "	\"go.wit.com/gui\"")
	fmt.Fprintln(w, "	\"go.wit.com/lib/protobuf/guipb\"")
	fmt.Fprintln(w, "	\"go.wit.com/log\"")
	fmt.Fprintln(w, "	timestamppb \"google.golang.org/protobuf/types/known/timestamppb\"")
	fmt.Fprintln(w, ")")
	fmt.Fprintln(w, "")
}

func guiMain(w io.Writer, FRUITS string, FRUIT string) {
	fmt.Fprintln(w, "func (x *"+FRUITS+") NewTable(title string) *"+FRUITS+"Table {")
	fmt.Fprintln(w, "	t := new("+FRUITS+"Table)")
	fmt.Fprintln(w, "	t.x = x")
	fmt.Fprintln(w, "	pb := new(guipb.Table)")
	fmt.Fprintln(w, "	pb.Title = title")
	fmt.Fprintln(w, "	t.pb = pb")
	fmt.Fprintln(w, "	return t")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "func (t *"+FRUITS+"Table) AddStringFunc(title string, f func(*"+FRUIT+") string) {")
	fmt.Fprintln(w, "	t.pb.Order = append(t.pb.Order, title)")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "	sf := new("+FRUIT+"StringFunc)")
	fmt.Fprintln(w, "	sf.title = title")
	fmt.Fprintln(w, "	sf.f = f")
	fmt.Fprintln(w, "	t.stringFuncs = append(t.stringFuncs, sf)")
	fmt.Fprintln(w, "}")

	fmt.Fprintln(w, "func (t *"+FRUITS+"Table) AddIntFunc(title string, f func(*"+FRUIT+") int) {")
	fmt.Fprintln(w, "	t.pb.Order = append(t.pb.Order, title)")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "	sf := new("+FRUIT+"IntFunc)")
	fmt.Fprintln(w, "	sf.title = title")
	fmt.Fprintln(w, "	sf.f = f")
	fmt.Fprintln(w, "	t.intFuncs = append(t.intFuncs, sf)")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "func (t *"+FRUITS+"Table) AddTimeFunc(title string, f func(*"+FRUIT+") time.Time) {")
	fmt.Fprintln(w, "	t.pb.Order = append(t.pb.Order, title)")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "	sf := new("+FRUIT+"TimeFunc)")
	fmt.Fprintln(w, "	sf.title = title")
	fmt.Fprintln(w, "	sf.f = f")
	fmt.Fprintln(w, "	t.timeFuncs = append(t.timeFuncs, sf)")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "func (mt *"+FRUITS+"Table) ShowTable() {")
	fmt.Fprintln(w, "	log.Info(\"ShowTable() SENDING TO GUI\")")
	fmt.Fprintln(w, "	// mt.MakeTable()")
	fmt.Fprintln(w, "	gui.ShowTable(mt.pb)")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "type "+FRUIT+"StringFunc struct {")
	fmt.Fprintln(w, "	title string")
	fmt.Fprintln(w, "	f     func(*"+FRUIT+") string")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "type "+FRUIT+"IntFunc struct {")
	fmt.Fprintln(w, "	title string")
	fmt.Fprintln(w, "	f     func(*"+FRUIT+") int")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "type "+FRUIT+"TimeFunc struct {")
	fmt.Fprintln(w, "	title string")
	fmt.Fprintln(w, "	f     func(*"+FRUIT+") time.Time")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "type "+FRUITS+"Table struct {")
	fmt.Fprintln(w, "	// gt        *gui.NodeTable")
	fmt.Fprintln(w, "	pb          *guipb.Table")
	fmt.Fprintln(w, "	x           *"+FRUITS+"")
	fmt.Fprintln(w, "	hostnames   []string")
	fmt.Fprintln(w, "	stringFuncs []*"+FRUIT+"StringFunc")
	fmt.Fprintln(w, "	intFuncs    []*"+FRUIT+"IntFunc")
	fmt.Fprintln(w, "	timeFuncs   []*"+FRUIT+"TimeFunc")
	fmt.Fprintln(w, "}")
}

func guiStringFuncs(w io.Writer, ZOOPB string, FRUITS string, FRUIT string) {
	fmt.Fprintln(w, "func (mt *"+FRUITS+"Table) doStringFunc(name string) bool {")
	fmt.Fprintln(w, "	for _, sf := range mt.stringFuncs {")
	fmt.Fprintln(w, "		if sf.title != name {")
	fmt.Fprintln(w, "			continue")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		log.Info(\""+ZOOPB+": found stringfunc name:\", name)")
	fmt.Fprintln(w, "		r := new(guipb.StringRow)")
	fmt.Fprintln(w, "		r.Header = new(guipb.Widget)")
	fmt.Fprintln(w, "		r.Header.Name = name")
	fmt.Fprintln(w, "		all := mt.x.All()")
	fmt.Fprintln(w, "		for all.Scan() {")
	fmt.Fprintln(w, "			m := all.Next()")
	fmt.Fprintln(w, "			r.Vals = append(r.Vals, sf.f(m))")
	fmt.Fprintln(w, "			log.Info(\""+ZOOPB+": adding\", name, r.Vals)")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		mt.pb.StringRows = append(mt.pb.StringRows, r)")
	fmt.Fprintln(w, "		return true")
	fmt.Fprintln(w, "	}")
	fmt.Fprintln(w, "	return false")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "func (mt *"+FRUITS+"Table) doIntFunc(name string) bool {")
	fmt.Fprintln(w, "	for _, sf := range mt.intFuncs {")
	fmt.Fprintln(w, "		if sf.title != name {")
	fmt.Fprintln(w, "			continue")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		log.Info(\""+ZOOPB+": found intfunc name:\", name)")
	fmt.Fprintln(w, "		r := new(guipb.IntRow)")
	fmt.Fprintln(w, "		r.Header = new(guipb.Widget)")
	fmt.Fprintln(w, "		r.Header.Name = name")
	fmt.Fprintln(w, "		all := mt.x.All()")
	fmt.Fprintln(w, "		for all.Scan() {")
	fmt.Fprintln(w, "			m := all.Next()")
	fmt.Fprintln(w, "			r.Vals = append(r.Vals, int64(sf.f(m)))")
	fmt.Fprintln(w, "			log.Info(\""+ZOOPB+": adding\", name, r.Vals)")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		mt.pb.IntRows = append(mt.pb.IntRows, r)")
	fmt.Fprintln(w, "		return true")
	fmt.Fprintln(w, "	}")
	fmt.Fprintln(w, "	return false")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	fmt.Fprintln(w, "func (mt *"+FRUITS+"Table) doTimeFunc(name string) bool {")
	fmt.Fprintln(w, "	for _, sf := range mt.timeFuncs {")
	fmt.Fprintln(w, "		if sf.title != name {")
	fmt.Fprintln(w, "			continue")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		log.Info(\""+ZOOPB+": found timefunc name:\", name)")
	fmt.Fprintln(w, "		r := new(guipb.TimeRow)")
	fmt.Fprintln(w, "		r.Header = new(guipb.Widget)")
	fmt.Fprintln(w, "		r.Header.Name = name")
	fmt.Fprintln(w, "		all := mt.x.All()")
	fmt.Fprintln(w, "		for all.Scan() {")
	fmt.Fprintln(w, "			m := all.Next()")
	fmt.Fprintln(w, "			t := sf.f(m)")
	fmt.Fprintln(w, "			r.Vals = append(r.Vals, timestamppb.New(t)) // convert to protobuf time")
	fmt.Fprintln(w, "			log.Info(\""+ZOOPB+": adding\", name, r.Vals)")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		mt.pb.TimeRows = append(mt.pb.TimeRows, r)")
	fmt.Fprintln(w, "		return true")
	fmt.Fprintln(w, "	}")
	fmt.Fprintln(w, "	return false")
	fmt.Fprintln(w, "}")
	fmt.Fprintln(w, "")
	/*
		fmt.Fprintln(w, "func (t *"+FRUITS+"Table) AddHostname() {")
		fmt.Fprintln(w, "	// t.pb.Order = append(t.pb.Order, \"Hostname\")")
		fmt.Fprintln(w, "")
		fmt.Fprintln(w, "	t.AddStringFunc(\"Hostname\", func(m *"+ZOOPB+"."+FRUIT+") string {")
		fmt.Fprintln(w, "		return m.Hostname")
		fmt.Fprintln(w, "	})")
		fmt.Fprintln(w, "}")
		fmt.Fprintln(w, "")
		fmt.Fprintln(w, "func (t *"+FRUITS+"Table) AddMemory() {")
		fmt.Fprintln(w, "	t.pb.Order = append(t.pb.Order, \"Memory\")")
		fmt.Fprintln(w, "}")
		fmt.Fprintln(w, "")
		fmt.Fprintln(w, "func (t *"+FRUITS+"Table) AddCpus() {")
		fmt.Fprintln(w, "	t.pb.Order = append(t.pb.Order, \"Cpus\")")
		fmt.Fprintln(w, "}")
		fmt.Fprintln(w, "")
	*/
	fmt.Fprintln(w, "func (mt *"+FRUITS+"Table) MakeTable() {")
	fmt.Fprintln(w, "	for _, name := range mt.pb.Order {")
	fmt.Fprintln(w, "		log.Info(\""+ZOOPB+": looking for row name()\", name)")
	fmt.Fprintln(w, "		if mt.doStringFunc(name) {")
	fmt.Fprintln(w, "			continue")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		if mt.doIntFunc(name) {")
	fmt.Fprintln(w, "			continue")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "		if mt.doTimeFunc(name) {")
	fmt.Fprintln(w, "			continue")
	fmt.Fprintln(w, "		}")
	fmt.Fprintln(w, "	}")
	fmt.Fprintln(w, "}")
}