package app

import (
	"flag"
	"fmt"
	"os"
	"path/filepath"
	"strings"
)

// ---------------- CLI ----------------

func cliInit(args []string) error {
	fs := flag.NewFlagSet("init", flag.ExitOnError)
	configFile := fs.String("config", defaultServerConfigPath(), "server config file")
	if err := fs.Parse(args); err != nil {
		return err
	}
	cfg := ServerConfig{}
	cfg.Addr = promptDefault("Listen address", ":8080")
	cfg.PublicURL = strings.TrimRight(promptDefault("Public URL", defaultServerURL), "/")
	cfg.Storage = promptDefault("Storage directory", defaultStorage)
	cfg.MySQLDSN = promptDefault("MySQL DSN", "root:pass@tcp(127.0.0.1:3306)/gitocean?parseTime=true")

	db, err := openMySQLAndCreateDatabaseIfMissing(cfg.MySQLDSN)
	if err != nil {
		return err
	}
	defer db.Close()
	if err := migrate(db); err != nil {
		return err
	}
	if err := os.MkdirAll(filepath.Join(cfg.Storage, "repos"), 0755); err != nil {
		return err
	}
	if strings.EqualFold(promptDefault("Create first admin user?", "n"), "y") {
		email := strings.ToLower(prompt("Email: "))
		username := strings.ToLower(prompt("Username: "))
		password := prompt("Password: ")
		if err := createUserDirect(db, email, username, password, true); err != nil {
			return err
		}
		fmt.Printf("Created admin user %s\n", username)
	}
	if err := saveServerConfig(*configFile, cfg); err != nil {
		return err
	}
	fmt.Printf("Initialized Gitocean at %s\n\n", *configFile)
	fmt.Println("Start the server with:")
	fmt.Printf("  gitocean server --config %s\n", *configFile)
	return nil
}