package main

import (
	"encoding/csv"
	"fmt"
	"os"
	"path/filepath"
	"strings"
)

func setField(all [][]string, header []string, field, col, value string) {
	colIdx := -1
	for i, h := range header {
		if h == col {
			colIdx = i
			break
		}
	}
	if colIdx < 0 {
		panic(col)
	}
	for i := 1; i < len(all); i++ {
		for len(all[i]) < len(header) {
			all[i] = append(all[i], "")
		}
		if all[i][0] == field {
			all[i][colIdx] = value
			return
		}
	}
	panic("missing " + field)
}

func getField(all [][]string, header []string, field, col string) string {
	colIdx := -1
	for i, h := range header {
		if h == col {
			colIdx = i
			break
		}
	}
	for i := 1; i < len(all); i++ {
		if len(all[i]) > 0 && all[i][0] == field && colIdx >= 0 && colIdx < len(all[i]) {
			return all[i][colIdx]
		}
	}
	return ""
}

func main() {
	root := `D:\vpn navi`
	path := filepath.Join(root, "store.csv")
	f, err := os.Open(path)
	if err != nil {
		panic(err)
	}
	r := csv.NewReader(f)
	r.FieldsPerRecord = -1
	r.LazyQuotes = true
	all, err := r.ReadAll()
	f.Close()
	if err != nil {
		panic(err)
	}
	header := all[0]

	// Relative paths for Partner Center: upload folder with store.csv + screen/
	ruShots := []string{
		"screen/1.ru.png",
		"screen/2.ru.png",
		"screen/3.ru.png",
		"screen/4.ru.png",
		"screen/5.ru.png",
		"screen/6.ru.png",
		"screen/12dark.png",
		"screen/13dark.png",
		"screen/14dark.png",
		"screen/15dark.png",
		"screen/16dark.png",
		"screen/9.png",
	}
	enShots := []string{
		"screen/7.en.png",
		"screen/8.en.png",
		"screen/9.png",
		"screen/10.en.png",
		"screen/11.en.png",
		"screen/12dark.png",
		"screen/13dark.png",
		"screen/14dark.png",
		"screen/15dark.png",
		"screen/16dark.png",
	}

	ruCaptions := [][2]string{
		{"Главный экран: подключение и статус защиты", "Home: connect and protection status"},
		{"Список серверов с флагами и пингом", "Server list with flags and ping"},
		{"Настройки: тема, язык, Kill Switch", "Settings: theme, language, Kill Switch"},
		{"Статистика использования", "Usage statistics"},
		{"Помощь и полезные ссылки", "Help and useful links"},
		{"Добавление конфигурации", "Add configuration"},
		{"Тёмная тема: главный экран", "Dark theme: home"},
		{"Тёмная тема: серверы", "Dark theme: servers"},
		{"Тёмная тема: настройки", "Dark theme: settings"},
		{"Тёмная тема: статистика", "Dark theme: statistics"},
		{"Тёмная тема: помощь", "Dark theme: help"},
		{"Общий вид приложения", "App overview"},
	}
	enCaptions := []string{
		"Home: connect and protection status",
		"Server list with flags and ping",
		"App overview",
		"Settings: theme, language, Kill Switch",
		"Statistics and help",
		"Dark theme: home",
		"Dark theme: servers",
		"Dark theme: settings",
		"Dark theme: statistics",
		"Dark theme: help",
	}

	for i, p := range ruShots {
		setField(all, header, fmt.Sprintf("DesktopScreenshot%d", i+1), "default", p)
	}
	for i, p := range enShots {
		setField(all, header, fmt.Sprintf("DesktopScreenshot%d", i+1), "en", p)
	}
	// Clear en slots beyond enShots so Partner Center falls back to default for RU-only extras
	for i := len(enShots); i < 30; i++ {
		setField(all, header, fmt.Sprintf("DesktopScreenshot%d", i+1), "en", "")
	}
	// Clear default slots beyond ruShots
	for i := len(ruShots); i < 30; i++ {
		setField(all, header, fmt.Sprintf("DesktopScreenshot%d", i+1), "default", "")
	}

	for i, c := range ruCaptions {
		field := fmt.Sprintf("DesktopScreenshotCaption%d", i+1)
		setField(all, header, field, "default", c[0])
		en := c[1]
		if i < len(enCaptions) {
			en = enCaptions[i]
		}
		setField(all, header, field, "en", en)
	}
	for i := len(ruCaptions); i < 30; i++ {
		field := fmt.Sprintf("DesktopScreenshotCaption%d", i+1)
		setField(all, header, field, "default", "")
		setField(all, header, field, "en", "")
	}

	out, err := os.Create(path)
	if err != nil {
		panic(err)
	}
	if _, err := out.Write([]byte{0xEF, 0xBB, 0xBF}); err != nil {
		panic(err)
	}
	w := csv.NewWriter(out)
	if err := w.WriteAll(all); err != nil {
		panic(err)
	}
	w.Flush()
	out.Close()

	for i := 1; i <= 12; i++ {
		d := getField(all, header, fmt.Sprintf("DesktopScreenshot%d", i), "default")
		e := getField(all, header, fmt.Sprintf("DesktopScreenshot%d", i), "en")
		if d == "" && e == "" {
			continue
		}
		fmt.Printf("%d default=%s en=%s\n", i, d, e)
		for _, p := range []string{d, e} {
			if p == "" {
				continue
			}
			full := filepath.Join(root, filepath.FromSlash(p))
			if _, err := os.Stat(full); err != nil {
				fmt.Println(" MISSING", full)
			}
		}
	}
	fmt.Println("updated", path, "rows", len(all))
	_ = strings.TrimSpace
}