// 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"
	"path/filepath"
	"time"

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

// trys to figure out if there is still something to update

func doSync() error {
	if argv.Sync.Clean != nil {
		return doSyncClean()
	}
	if argv.Sync.User != nil {
		return doSyncUser()
	}

	return fmt.Errorf("nothing to do")
}

func doSyncClean() error {
	me.argvCheckoutMaster = true
	me.forge.Config.Mode = forgepb.ForgeMode_MASTER
	me.forge.Config.ConfigSave()

	if err := doCheckoutShared(); err != nil {
		return err
	}

	if _, _, _, err := IsEverythingOnMaster(); err != nil {
		log.Info("Not all repos are on the master branch")
		return err
	}

	// force everything
	argv.Force = true

	if err := doCleanUser(); err != nil {
		return err
	}

	if err := doCleanDevel(); err != nil {
		return err
	}

	now := time.Now()
	pullcount := me.forge.RillFuncError(rillPull)
	count := me.forge.RillReload()
	if count != 0 {
		me.forge.ConfigSave()
	}

	total, count, nope, _ := IsEverythingOnMaster()
	log.Printf("doSyncClean() ok. %d total repos. (%d git pulled) (%d not on master branch) (%s) git pull total=%d\n", total, count, nope, shell.FormatDuration(time.Since(now)), pullcount)

	return nil
}

func doSyncUser() error {
	if count, err := me.forge.RillRepo(10, 20, syncDevelBranch); err != nil {
		log.Info("RillFunc() failed", err)
		return err
	} else {
		log.Info("Rill syncDevelBranch() ok count =", count)
	}

	me.argvCheckoutUser = true
	me.forge.Config.Mode = forgepb.ForgeMode_USER
	me.forge.Config.ConfigSave()

	argv.Force = true
	if err := doCheckoutShared(); err != nil {
		return err
	}

	return nil
}

func syncDevelBranch(repo *gitpb.Repo) error {
	branch := repo.GetDevelBranchName()
	if repo.Exists(filepath.Join(".git/refs/heads", branch)) {
		return nil
	}
	if repo.Exists(filepath.Join(".git/refs/remotes/origin", branch)) {
		cmd := []string{"git", "checkout", branch}
		err := repo.RunVerbose(cmd)
		return err
	}
	cmd := []string{"git", "branch", branch}
	repo.RunVerbose(cmd)
	cmd = []string{"git", "checkout", branch}
	err := repo.RunVerbose(cmd)
	return err
}

func syncDevelBranches() error {
	all := me.forge.Repos.SortByFullPath()
	for all.Scan() {
		repo := all.Next()
		branch := repo.GetDevelBranchName()
		if repo.Exists(filepath.Join(".git/refs/heads", branch)) {
			continue
		}
		if repo.Exists(filepath.Join(".git/refs/remotes/origin", branch)) {
			cmd := []string{"git", "checkout", branch}
			repo.RunVerbose(cmd)
			continue
		}
		cmd := []string{"git", "branch", branch}
		repo.RunVerbose(cmd)
		cmd = []string{"git", "checkout", branch}
		repo.RunVerbose(cmd)
	}
	return nil
}