package repolist

import (
	"io/ioutil"
	"os"
	"path/filepath"
	"strings"

	"go.wit.com/log"
)

func (v *RepoList) InitRepoList(cfgfile string) {
	lines := parsecfg(cfgfile)
	for _, line := range lines {
		log.Verbose("repo =", line)
		line = strings.TrimSpace(line)
		if strings.HasPrefix(line, "#") {
			continue
		}
		parts := strings.Split(line, " ")
		if len(parts) > 0 {
			path := parts[0]
			v.NewRepo(path)
		}
	}
}

func parsecfg(f string) []string {
	homeDir, _ := os.UserHomeDir()
	cfgfile := filepath.Join(homeDir, f)
	content, _ := ioutil.ReadFile(cfgfile)
	out := string(content)
	out = strings.TrimSpace(out)
	lines := strings.Split(out, "\n")
	return lines
}

func (rl *RepoList) ArgCheckoutUser() bool {
	log.Info("running git checkout devel everwhere")
	var failed int = 0
	for _, repo := range rl.AllRepos() {
		if repo.Status.ReadOnly() {
			// log.Info("skipping read-only", repo.Name())
			continue
		}
		if repo.Status.CheckDirty() {
			log.Info("skipping dirty repo", repo.Name())
			continue
		}
		branch := repo.Status.GetUserBranchName()
		if branch == repo.Status.GetCurrentBranchName() {
			// already on user branch
			continue
		}
		cmd := []string{"git", "checkout", branch}
		log.Info("Running:", cmd, "in", repo.Name())
		err, output := repo.RunCmd(cmd)
		if err == nil {
			log.Info("git checkout worked", output)
		} else {
			failed += 1
			log.Info("git checkout failed")
			log.Info("Something went wrong. Got err", err)
			log.Info("output =", output)
			// return false
		}
	}
	log.Info("Ran git checkout in all repos. failure count =", failed)
	return true
}

func (rl *RepoList) ArgGitPull() bool {
	log.Info("running git pull everywhere")
	cmd := []string{"git", "pull"}
	var failed int = 0
	for _, repo := range rl.AllRepos() {
		log.Info("Running:", repo.Status.Path(), cmd)
		err, output := repo.RunCmd(cmd)
		if err == nil {
			log.Info(output)
		} else {
			failed += 1
			log.Info("Something went wrong. Got err", err)
			log.Info("output =", output)
			return false
		}
	}
	log.Info("Ran git pull in all repos. failure count =", failed)
	return true
}

func (rl *RepoList) ArgCheckoutDevel() bool {
	log.Info("running git checkout devel everwhere")
	var failed int = 0
	for _, repo := range rl.AllRepos() {
		if repo.Status.ReadOnly() {
			// log.Info("skipping read-only", repo.Name())
			continue
		}
		if repo.CheckDirty() {
			log.Info("skipping dirty repo", repo.Name())
			continue
		}
		branch := repo.Status.GetDevelBranchName()
		cmd := []string{"git", "checkout", branch}
		log.Info("Running:", cmd, "in", repo.Name())
		err, output := repo.RunCmd(cmd)
		if err == nil {
			log.Info("git checkout worked", output)
		} else {
			failed += 1
			log.Info("git checkout failed")
			log.Info("Something went wrong. Got err", err)
			log.Info("output =", output)
			// return false
		}
	}
	log.Info("Ran git checkout in all repos. failure count =", failed)
	return true
}