package main

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

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

// sent via -ldflags
var VERSION string
var BUILDTIME string

func main() {
	log.Info("go-clone version", VERSION, "built on", BUILDTIME)
	me = new(testMe)
	me.startPwd, _ = os.Getwd()

	// don't run this anywhere important
	me.forge = forgepb.Init()
	if me.forge.IsGoWork() {
		log.Info()
		log.Info("you can not run this here", me.forge.GetGoSrc())
		log.Info("you have a go.work file")
		log.Info("you must run this from a neutral location (not ~/go/src && not with a parent go.work file)")
		log.Info()
		os.Exit(-1)
	} else {
		if strings.HasPrefix(me.startPwd, me.forge.GetGoSrc()) {
			log.Info()
			log.Info("you can not run this here", me.forge.GetGoSrc())
			log.Info("you are already in ~/go/src")
			log.Info("you must run this from a neutral location (not ~/go/src && not with a parent go.work file)")
			log.Info()
			os.Exit(-1)
		}
	}

	// make sure this is empty
	me.forge = nil

	me.testDir1 = "goclonetest"
	fullRun(me.testDir1)

	me.testDir2 = "goclonetesttest"
	fullRun(me.testDir2)

	// try this a second time
	// os.Mkdir(me.testDir2, 0755)
}

func fullRun(testDir string) {
	os.Chdir(me.startPwd)
	if argv.Force {
		log.Info("removing", testDir)
		shell.Run([]string{"rm", "-rf", testDir})
	}
	if shell.IsDir(filepath.Join(me.startPwd, testDir)) {
		log.Info("you must remove", testDir)
		os.Exit(-1)
	}

	testDir = "goclonetest"
	os.Mkdir(testDir, 0755)
	os.Chdir(testDir)
	os.Unsetenv("FORGE_CONFIG")
	os.Unsetenv("FORGE_GOSRC")
	me.forge = forgepb.Init()

	wd := filepath.Join(me.startPwd, testDir)
	runStrict(wd, []string{"touch", "go.work"})

	os.Chdir(me.startPwd)

	prepBinary(testDir, "go.wit.com/apps/go-clone")
	prepBinary(testDir, "go.wit.com/apps/autogenpb")
	prepBinary(testDir, "go.wit.com/apps/forge")
	prepBinary(testDir, "go.wit.com/apps/utils/wit-utils")

	buildBinary(testDir, "go.wit.com/apps/go-clone")
	buildBinary(testDir, "go.wit.com/apps/autogenpb")
	buildBinary(testDir, "go.wit.com/apps/forge")
	// buildBinary(testDir, "go.wit.com/apps/utils/wit-utils")

	installBinary(testDir, "go.wit.com/apps/go-clone")
	installBinary(testDir, "go.wit.com/apps/autogenpb")
	installBinary(testDir, "go.wit.com/apps/forge")
	// installBinary(testDir, "go.wit.com/apps/utils/wit-utils")
}

func prepBinary(testDir string, gopath string) {
	wd := filepath.Join(me.startPwd, testDir)

	time.Sleep(time.Second)
	// this is probably why, although ENV is great, it might
	// be a terrible idea? notsure... how often does this happen?
	// this is a test app. does this really ever happen in the real world?
	// switching GOSRC paths in the middle of doing things? It probably
	// shouldn't be supported or work the way it does. which, in this
	// case, breaks this test app
	os.Unsetenv("FORGE_CONFIG")
	os.Unsetenv("FORGE_GOSRC")
	runStrict(wd, []string{"sync"})
	runStrict(wd, []string{"/home/jcarr/go/bin/go-clone", "--recursive", gopath, "--work", "--ignore"})
	// runStrict(wd, []string{"/home/jcarr/go/bin/go-clone", "--work"})
}

func buildBinary(testDir string, gopath string) {
	os.Unsetenv("FORGE_CONFIG")
	os.Unsetenv("FORGE_GOSRC")
	me.forge = forgepb.Init()
	if err := me.forge.ConfigSave(); err != nil {
		log.Info("crapnuts. forge.ConfigSave() failed", err)
	}

	/*
		repos := me.forge.Repos.SortByGoPath()
		for repos.Scan() {
			repo := repos.Next()
			log.Info("go.work repo (hopefully):", repo.GoPath, repo.FullPath)
		}
	*/
}

func installBinary(testDir string, gopath string) {
	wd := filepath.Join(me.startPwd, testDir, gopath)
	repos := me.forge.Repos.SortByGoPath()
	for repos.Scan() {
		repo := repos.Next()
		log.Info("go.work repo (hopefully):", repo.GoPath, repo.FullPath, repo.RepoType())
	}
	runStrict(wd, []string{"go-clone", "--install", gopath, "--ignore"})
	os.Exit(-1)
}

func runStrict(wd string, cmd []string) {
	var err error
	if err = os.Chdir(wd); err != nil {
		log.Info("cd", "wd", "failed", err)
		os.Exit(-1)
	}
	log.Info(wd, "running:", wd, cmd)
	// result := shell.Run(cmd)
	result := shell.RunRealtime(cmd)
	if result.Error != nil {
		log.Info("cmd failed", wd, cmd, err)
		/*
			for i, line := range result.Stdout {
				log.Info("STDOUT:", i, line)
			}
			for i, line := range result.Stderr {
				log.Info("STDERR:", i, line)
			}
		*/
		os.Exit(-1)
	}
	if result.Exit != 0 {
		log.Info("cmd failed", wd, cmd)
		os.Exit(-1)
	}
	for i, line := range result.Stdout {
		log.Info(i, line)
	}
}