// Right now this will be a very simple, scuffed interface.
package main

import (
	"fmt"

	bolt "go.etcd.io/bbolt"
	"github.com/eiannone/keyboard"
)

func badUI(db *bolt.DB) error {
	keysEvents, err := keyboard.GetKeys(10)
	if err != nil {
		return fmt.Errorf("unable to create the keysEvent channel, %w", err)
	}

	defer func() {
		_ = keyboard.Close()
	}()

	// infinite loop
	fmt.Println(uiUsage())

	app:
	for {
		event := <-keysEvents
		if event.Err != nil {
			return fmt.Errorf("keys event error: %w", event.Err)
		}

		switch event.Rune {
		case 'q':
			break app
		case 'r':
			if err := uiRefreshScuffedBoard(db); err != nil {
				fmt.Printf("Error: Unable to refresh board, %s\n", err)
			}
		case 'a':
			if err := uiCreateCard(db); err != nil {
				fmt.Printf("Error: Unable to add a card, %s\n", err)
			}
		case 'v':
			if err := uiViewCard(db, 1); err != nil {
				fmt.Printf("Error: Unable to view card, %s\n", err)
			}
		default:
			fmt.Println("Error: Unknown key event.")
		}
	}

	// wait for a keyboard press
	// take action
	// a to add a card
	// u to update a card
	return nil
}

func uiRefreshScuffedBoard(db *bolt.DB) error {
	statusList, err := readStatuses(db)
	if err != nil {
		return err
	}

	fmt.Printf("--------------------\n")
	for _, s := range statusList{
		fmt.Printf("Status ID: %d\nStatus Name: \"%s\"\nCard IDs: %v\n\n", s.ID, s.Name, s.CardIds)
	}
	fmt.Printf("--------------------\n\n\n")

	return nil
}

func uiCreateCard(db *bolt.DB) error {
	title := "A card title"

	content := "As a user, this is a ticket for me.\nAs a user, I want to close it."

	if err := createCard(db, title, content); err != nil {
		return err
	}

	fmt.Println("Sample card created successfully.")

	return nil
}

func uiViewCard(db *bolt.DB, id int) error {
	card, err := readCard(db, id)
	if err != nil {
		return err
	}


	fmt.Printf("====================\n")
	fmt.Printf("[%d] %s\n", card.ID, card.Title)
	fmt.Printf("--------------------\n")
	fmt.Println(card.Content)
	fmt.Printf("====================\n")

	return nil
}

func uiUsage() string {
	usage := `
Press 'q' to quit
Press 'r' to refresh the board
Press 'a' to add a sample card
Press 'v' to view the first sample card

`

    return usage
}