package repolist

import (
	"fmt"
	"strconv"
	"strings"

	"go.wit.com/log"
)

func (r *RepoList) RegisterHideFunction(f func(*RepoRow)) {
	me.hideFunction = f
}

func (r *RepoList) ScanRepositories() (int, string) {
	var i int
	var shown int
	var total int
	t := TimeFunction(func() {
		for _, repo := range me.allrepos {
			i += 1
			changed := repo.NewScan()
			total += changed
		}
		var hidden int
		for _, repo := range me.allrepos {
			if repo.Hidden() {
				hidden += 1
			} else {
				shown += 1
			}
		}
	})
	s := fmt.Sprint(t)
	tmp := strconv.Itoa(shown) + " repos shown"
	me.shownCount.SetText(tmp)
	me.duration.SetText(s)

	log.Log(REPOWARN, "Scanned", i, "repositories.", total, "changes in", s)
	return i, s
}

func (r *RepoRow) NewScan() int {
	var changed int = 0
	if r.Status == nil {
		log.Log(REPOWARN, "repo.Status = nil. not initialized for some reason")
		return changed
	}

	// run the repostatus update
	r.Status.Update()

	if me.hideFunction == nil {
		// application didn't register a hide function
		// always show everything in that case
		r.Show()
	} else {
		me.hideFunction(r)
	}

	// print out whatever changes have happened
	if c, ok := r.Status.Changed(); ok {
		log.Log(REPOWARN, "something finally changed")
		c := strings.TrimSpace(c)
		for _, line := range strings.Split(c, "\n") {
			log.Log(REPOWARN, r.Status.Path(), line)
			changed += 1
		}
	}

	return changed
}