package main

import (
	"embed"
	"os"
	"path/filepath"
	"strings"

	"go.wit.com/gui"
	"go.wit.com/lib/gui/shell"
	"go.wit.com/log"
)

// TODO: autocompute these in the gui
var releaseReasonS string
var releaseVersion string
var widgetVersion string

//go:embed resources/*
var resToolkit embed.FS

func main() {
	me = new(autoType)

	// TODO: autocompute these in the gui
	releaseReasonS = os.Getenv("GUIRELEASE_REASON")
	releaseVersion = os.Getenv("GUIRELEASE_VERSION")
	widgetVersion = os.Getenv("GUIRELEASE_WIDGET")

	if releaseVersion == "" {
		log.Info("GUIRELEASE_VERSION not set")
		os.Exit(0)
	}

	// unset the go development ENV var to generate release files
	// this is required for go mod init & tidy. Also, if the
	// user drops to a shell or xterm, then they shouldn't be set there either
	os.Unsetenv("GO111MODULE")

	me.myGui = gui.New()
	me.myGui.InitEmbed(resToolkit)
	me.myGui.Default()

	// our main window
	me.mainWindow = me.myGui.NewWindow("GUI release manager")
	me.mainBox = me.mainWindow.NewBox("bw hbox", true)

	// sanity check of things that might be around that mess
	// up things later
	// if you have a go.work file, you must delete it
	// TODO: check for go.work files anywhere
	homeDir, _ := os.UserHomeDir()
	gowork := filepath.Join(homeDir, "go/src/go.work")
	if shell.Exists(gowork) {
		log.Info("go.work must be deleted")
		os.Exit(0)
	}

	// sanity check of things that might be around that mess
	// up things later
	// check to make sure we have a go.sum here
	gosum := filepath.Join(homeDir, "go/src/go.wit.com/apps/guireleaser/go.sum")
	if !shell.Exists(gosum) {
		log.Info("go.sum must exist here")
		os.Exit(0)
	}

	// save the ENV var here
	me.releaseReasonS = releaseReasonS

	log.Info("Creating the Release Window")

	// initialize the repo list window
	// which should be all the git repositories in ~/go/src & the .config file
	me.repos = makeRepoView()

	// the left side of the window options
	globalDisplayOptions(me.mainBox)

	// create the right side of the main window
	createReleaseBox(me.mainBox)

	// disable the open repo button. this isn't really important
	// but does indicates the app (and toolkit) is working
	// this can be removed later, but in these early days, I'm using this
	// tool to release the code for this app, the gui and the gui toolkits
	// and sometimes they lie, don't display stuff, don't even disable things
	// so I can't trust even what I see. It's complicated right now still.
	me.release.openrepo.Disable()

	me.Disable()
	log.Info("sleep(1)")
	log.Sleep(1)

	// parse config file and scan for .git repos
	me.repos.initRepoList()
	setTargetVersion()

	// register a Show/Hide function for the repo list table
	me.repos.View.RegisterHideFunction(showHideRepos)

	// scan in the State of all the repos
	// TODO: should not really be necessary directly after init()
	me.repos.View.ScanRepositories()

	// find myself. the guireleaser directory is used as a working scratchpad
	// for running go commands that can mess up the go.* files
	for _, repo := range me.repos.View.AllRepos() {
		if repo.GoPath() == "go.wit.com/apps/guireleaser" {
			if me.release.guireleaser == nil {
				me.release.guireleaser = repo
			}
		}
	}

	if me.release.guireleaser == nil {
		log.Info("Can not release if guireleaser was not found")
		os.Exit(0)
	}
	me.Enable()

	// intermittently scans the status indefinitly
	me.repos.View.Watchdog(func() {
		log.Info("In main()")
		// processing is done. update the repo summary box
		// me.summary.Update()
	})
}

// start the initail scan and make sure each repo is set
// to the master branch
func setAllBranchesToMaster() bool {
	var worked bool = true
	for _, repo := range me.repos.View.AllRepos() {
		if repo.ReadOnly() {
			continue
		}
		if repo.IsDirty() {
			continue
		}
		if whitelist(repo.GoPath()) {
			continue
		}
		if repo.Status.CheckoutMaster() {
			log.Warn("git checkout master branch worked", repo.Name())
		} else {
			log.Warn("git checkout master branch failed", repo.Name())
			worked = false
		}
		// repo.NewScan()
	}
	return worked
}

func setTargetVersion() {
	// go through and set the target versions for each repo
	// todo: add sanity checking in repolist to verify these and/or autocompute them
	// for now, just don't be stupid when you set your ENV vars
	// widget I versioned early before I knew what the hell this would mean and can
	// not be down versioned because that's not how GO versioning works. Once you
	// set the version for a path, it's set in stone forever. (smart system!)
	// we could rename go.wit.com/widget to go.wit.com/newwidget and restart the versioning
	// system, but that's rediculous and this servers to always remind me to never make this mistake again
	var count int
	for i, repo := range me.repos.View.AllRepos() {
		if repo == nil {
			log.Info("initial scan repo = nil", i)
			continue
		}

		if repo.Status == nil {
			log.Info("repo.status == nil", repo.Name())
			continue
		}

		if repo.GoPath() == "go.wit.com/widget" {
			repo.Status.SetTargetVersion("v" + widgetVersion)
		} else {
			repo.Status.SetTargetVersion("v" + releaseVersion)
		}
		if strings.HasPrefix(repo.GoPath(), "go.wit.com/dev/") {
			lasttag := repo.Status.GetLastTagVersion()
			repo.Status.SetTargetVersion(lasttag)
		}
		// repo.NewScan()
		count += 1
	}
	log.Info("target versions set for", count, "repos")
}