package main

import (
	"embed"
	"fmt"
	"io/fs"
	"log/slog"
	"os/signal"
	"syscall"

	"github.com/mjensen/weimar/internal/config"
	"github.com/mjensen/weimar/internal/server"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

//go:embed web/build/*
var webFS embed.FS

var adminEmail string
var adminPassword string

var serveCmd = &cobra.Command{
	Use:   "serve",
	Short: "Start the HTTP server",
	RunE: func(cmd *cobra.Command, args []string) error {
		cfg := config.FromViper()

		if adminEmail != "" && adminPassword != "" {
			slog.Info("first-run admin credentials provided", "email", adminEmail)
		}

		webSub, err := fs.Sub(webFS, "web/build")
		if err != nil {
			return fmt.Errorf("reading embedded web build: %w", err)
		}

		srv, err := server.New(cfg, webSub)
		if err != nil {
			return fmt.Errorf("creating server: %w", err)
		}

		ctx, stop := signal.NotifyContext(cmd.Context(), syscall.SIGINT, syscall.SIGTERM)
		defer stop()

		slog.Info("starting weimar", "host", cfg.Server.Host, "port", cfg.Server.Port)
		if err := srv.Start(ctx); err != nil {
			return fmt.Errorf("server error: %w", err)
		}

		return nil
	},
}

func init() {
	rootCmd.AddCommand(serveCmd)
	serveCmd.Flags().StringVar(&adminEmail, "admin-email", "", "admin email for first-run setup")
	serveCmd.Flags().StringVar(&adminPassword, "admin-password", "", "admin password for first-run setup")
	viper.BindPFlag("server.host", serveCmd.Flags().Lookup("host"))
	viper.BindPFlag("server.port", serveCmd.Flags().Lookup("port"))
}