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package setup
import (
"encoding/json"
"errors"
"fmt"
"os"
"strconv"
"strings"
"github.com/charmbracelet/huh"
"github.com/charmbracelet/lipgloss"
"github.com/hachem-wtf/benson/internal/config"
)
// Run is the server-manager wizard. It configures Minecraft/Fabric versions,
// paths, merge hooks and mods — everything except the Discord bot.
func Run() error {
cfg := loadConfig()
var (
mcVersion = cfg.MinecraftVersion
fabricLoader = cfg.FabricLoaderVersion
loaderMeta = cfg.LoaderMetaVersion
javaPath = cfg.JavaPath
serverLoc = cfg.ServerLocation
backupLoc = cfg.BackupLocation
preCmd = cfg.MergePreCommand
postCmd = cfg.MergePostCommand
modsText = strings.Join(cfg.ModrinthMods, "\n")
confirm = true
)
form := huh.NewForm(
huh.NewGroup(
huh.NewNote().
Title("Benson setup").
Description("Configure the server manager.\nThe Discord bot is optional — run `benson setup bot` for that."),
),
huh.NewGroup(
huh.NewInput().Title("Minecraft version").Placeholder("1.21.10").Value(&mcVersion).Validate(required("Minecraft version")),
huh.NewInput().Title("Fabric loader version").Placeholder("0.17.3").Value(&fabricLoader).Validate(required("Fabric loader version")),
huh.NewInput().Title("Loader / installer version").Placeholder("1.1.0").Value(&loaderMeta).Validate(required("loader version")),
huh.NewInput().Title("Java path").Description("Leave blank to use 'java' from PATH").Value(&javaPath),
).Title("Minecraft / Fabric"),
huh.NewGroup(
huh.NewInput().Title("Server location").Description("Live server directory, merged into by 'merge'").Value(&serverLoc),
huh.NewInput().Title("Backup location").Description("Where server backups are written").Value(&backupLoc),
huh.NewInput().Title("Pre-merge command").Description("Optional shell command run before merging").Value(&preCmd),
huh.NewInput().Title("Post-merge command").Description("Optional shell command run after merging").Value(&postCmd),
).Title("Paths & hooks (optional)"),
huh.NewGroup(
huh.NewText().Title("Modrinth mods").Description("One mod slug per line").Lines(8).Value(&modsText),
).Title("Mods"),
huh.NewGroup(
huh.NewConfirm().Title("Write config/config.json?").Affirmative("Write").Negative("Cancel").Value(&confirm),
),
)
if done, err := runForm(form); err != nil || !done {
return err
}
cfg.MinecraftVersion = strings.TrimSpace(mcVersion)
cfg.FabricLoaderVersion = strings.TrimSpace(fabricLoader)
cfg.LoaderMetaVersion = strings.TrimSpace(loaderMeta)
cfg.JavaPath = strings.TrimSpace(javaPath)
cfg.ServerLocation = strings.TrimSpace(serverLoc)
cfg.BackupLocation = strings.TrimSpace(backupLoc)
cfg.MergePreCommand = strings.TrimSpace(preCmd)
cfg.MergePostCommand = strings.TrimSpace(postCmd)
cfg.ModrinthMods = parseMods(modsText)
if err := writeConfigFile(cfg); err != nil {
return err
}
fmt.Printf("\n %s Wrote %s\n\n Run `benson` for the CLI, or `benson setup bot` to set up the Discord bot.\n\n",
check(), config.Path())
return nil
}
// RunBot is the Discord-bot wizard. It configures the bot token, channel and
// check interval, leaving the server-manager settings untouched.
func RunBot() error {
cfg := loadConfig()
api := loadAPI()
interval := cfg.CheckIntervalMinutes
if interval <= 0 {
interval = 60
}
var (
token = api.Token
channelID = cfg.ChannelID
intervalStr = strconv.Itoa(interval)
confirm = true
)
form := huh.NewForm(
huh.NewGroup(
huh.NewNote().
Title("Benson bot setup").
Description("Configure the Discord bot that posts Modrinth compatibility reports."),
),
huh.NewGroup(
huh.NewInput().Title("Discord bot token").Description("Developer Portal → Bot → Reset/Copy Token").Password(true).Value(&token).Validate(required("token")),
huh.NewInput().Title("Channel ID").Description("Channel where reports are posted").Value(&channelID).Validate(required("channel ID")),
huh.NewInput().Title("Check interval (minutes)").Value(&intervalStr).Validate(positiveInt),
).Title("Discord"),
huh.NewGroup(
huh.NewConfirm().Title("Write config/config.json and config/api.json?").Affirmative("Write").Negative("Cancel").Value(&confirm),
),
)
if done, err := runForm(form); err != nil || !done {
return err
}
minutes, _ := strconv.Atoi(strings.TrimSpace(intervalStr))
cfg.ChannelID = strings.TrimSpace(channelID)
cfg.CheckIntervalMinutes = minutes
api.Token = strings.TrimSpace(token)
if err := writeConfigFile(cfg); err != nil {
return err
}
if err := writeAPIFile(api); err != nil {
return err
}
fmt.Printf("\n %s Wrote %s\n %s Wrote %s\n\n Run `benson bot` to start the bot.\n\n",
check(), config.Path(), check(), config.APIPath())
return nil
}
func loadConfig() *config.Config {
if cfg, err := config.Load(); err == nil {
return cfg
}
return &config.Config{}
}
func loadAPI() *config.API {
if api, err := config.LoadAPI(); err == nil {
return api
}
return &config.API{}
}
// runForm runs a themed form, reporting whether the user confirmed the write.
func runForm(form *huh.Form) (bool, error) {
if err := form.WithTheme(emberTheme()).Run(); err != nil {
if errors.Is(err, huh.ErrUserAborted) {
fmt.Println("Setup cancelled.")
return false, nil
}
return false, err
}
return true, nil
}
func required(label string) func(string) error {
return func(s string) error {
if strings.TrimSpace(s) == "" {
return fmt.Errorf("%s is required", label)
}
return nil
}
}
func positiveInt(s string) error {
n, err := strconv.Atoi(strings.TrimSpace(s))
if err != nil || n <= 0 {
return errors.New("must be a positive number")
}
return nil
}
func parseMods(text string) []string {
mods := []string{}
for _, line := range strings.Split(text, "\n") {
if slug := strings.TrimSpace(line); slug != "" {
mods = append(mods, slug)
}
}
return mods
}
func check() string {
return lipgloss.NewStyle().Foreground(lipgloss.Color("#22C55E")).Render("✓")
}
func emberTheme() *huh.Theme {
theme := huh.ThemeCharm()
ember := lipgloss.Color("#F97316")
theme.Focused.Title = theme.Focused.Title.Foreground(ember).Bold(true)
theme.Focused.Base = theme.Focused.Base.BorderForeground(ember)
return theme
}
func writeConfigFile(cfg *config.Config) error {
if err := os.MkdirAll(config.Dir, 0o755); err != nil {
return err
}
data, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
return err
}
return os.WriteFile(config.Path(), append(data, '\n'), 0o644)
}
func writeAPIFile(api *config.API) error {
if err := os.MkdirAll(config.Dir, 0o755); err != nil {
return err
}
data, err := json.MarshalIndent(api, "", " ")
if err != nil {
return err
}
return os.WriteFile(config.APIPath(), append(data, '\n'), 0o600)
}
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