package cli

import (
	"fmt"
	"github.com/holos-run/holos/pkg/config"
	"github.com/holos-run/holos/pkg/logger"
	"github.com/holos-run/holos/pkg/version"
	"github.com/holos-run/holos/pkg/wrapper"
	"github.com/spf13/cobra"
	"log/slog"
)

type runFunc func(c *cobra.Command, args []string) error

// New returns a new root *cobra.Command for command line execution.
func New(cfg *config.Config) *cobra.Command {
	rootCmd := &cobra.Command{
		Use:     "holos",
		Short:   "holos manages a holistic integrated software development platform",
		Version: version.Version,
		Args:    cobra.NoArgs,
		CompletionOptions: cobra.CompletionOptions{
			HiddenDefaultCmd: true, // Don't complete the complete subcommand itself
		},
		SilenceUsage:  true,
		SilenceErrors: true,
		PersistentPreRunE: func(c *cobra.Command, args []string) error {
			if err := cfg.Finalize(); err != nil {
				return err
			}
			log := cfg.Logger()
			// Set the configured logger in the context.
			c.SetContext(logger.NewContext(c.Context(), log))
			// Set the default logger after flag parsing.
			slog.SetDefault(log)
			return nil
		},
		RunE: func(c *cobra.Command, args []string) error {
			return c.Usage()
		},
	}
	rootCmd.SetVersionTemplate("{{.Version}}\n")
	rootCmd.SetOut(cfg.Stdout())
	rootCmd.PersistentFlags().SortFlags = false
	rootCmd.PersistentFlags().AddGoFlagSet(cfg.LogFlagSet())

	// subcommands
	rootCmd.AddCommand(newBuildCmd(cfg))
	rootCmd.AddCommand(newRenderCmd(cfg))

	return rootCmd
}

// newCmd returns a new subcommand
func newCmd(name string) *cobra.Command {
	cmd := &cobra.Command{
		Use:     name,
		Version: version.Version,
		Args:    cobra.NoArgs,
		CompletionOptions: cobra.CompletionOptions{
			HiddenDefaultCmd: true,
		},
		RunE: func(c *cobra.Command, args []string) error {
			return wrapper.Wrap(fmt.Errorf("could not run %v: not implemented", c.Name()))
		},
		SilenceUsage:  true,
		SilenceErrors: true,
	}
	return cmd
}