package help

import (
	"fmt"

	"forge.lthn.ai/core/go/pkg/cli"
	"forge.lthn.ai/core/go/pkg/help"
)

func init() {
	cli.RegisterCommands(AddHelpCommands)
}

func AddHelpCommands(root *cli.Command) {
	var searchFlag string

	helpCmd := &cli.Command{
		Use:   "help [topic]",
		Short: "Display help documentation",
		Run: func(cmd *cli.Command, args []string) {
			catalog := help.DefaultCatalog()

			if searchFlag != "" {
				results := catalog.Search(searchFlag)
				if len(results) == 0 {
					fmt.Println("No topics found.")
					return
				}
				fmt.Println("Search Results:")
				for _, res := range results {
					fmt.Printf("  %s - %s\n", res.Topic.ID, res.Topic.Title)
				}
				return
			}

			if len(args) == 0 {
				topics := catalog.List()
				fmt.Println("Available Help Topics:")
				for _, t := range topics {
					fmt.Printf("  %s - %s\n", t.ID, t.Title)
				}
				return
			}

			topic, err := catalog.Get(args[0])
			if err != nil {
				fmt.Printf("Error: %v\n", err)
				return
			}

			renderTopic(topic)
		},
	}

	helpCmd.Flags().StringVarP(&searchFlag, "search", "s", "", "Search help topics")
	root.AddCommand(helpCmd)
}

func renderTopic(t *help.Topic) {
	// Simple ANSI rendering for now
	// Use explicit ANSI codes or just print
	fmt.Printf("\n\033[1;34m%s\033[0m\n", t.Title) // Blue bold title
	fmt.Println("----------------------------------------")
	fmt.Println(t.Content)
	fmt.Println()
}