package gui

import (
	"gitea.tyrel.dev/tyrel/itor/models"
	"github.com/charmbracelet/bubbles/list"
	"github.com/charmbracelet/bubbles/textinput"
	"reflect"
)

type model struct {
	deck []models.Card // items on the to-do list

	selectCardIndex int              // which to-do list item our selectCardIndex is pointing at
	selected        map[int]struct{} // which to-do items are selected
	selectList      list.Model

	createInputs      []textinput.Model // Inputs for front and back, is an array because we change position by an index
	createdInputIndex int               // holds an index for which input is active editing in create mode

	drawSeen      bool
	drawCardIndex int

	mode Mode
	err  error
}

func (m *model) selectedCardIndexes() []int {
	var keys []int
	for _, key := range reflect.ValueOf(m.selected).MapKeys() {
		keys = append(keys, int(key.Int()))
	}
	return keys
}

func initialModel() model {
	front := textinput.New()
	front.Placeholder = "Front..."
	front.Focus()
	front.CharLimit = 256
	front.Width = 80

	back := textinput.New()
	back.Placeholder = "Back..."
	back.CharLimit = 256
	back.Width = 80

	deck := []models.Card{
		models.NewCard("Hello (JP)", "Konnichi wa"),
		models.NewCard("Hello (SP)", "Hola"),
		models.NewCard("Hello (DE)", "Guten Tag"),
	}

	var items []list.Item

	for _, card := range deck {
		items = append(items, card)
	}

	selectedList := list.New(items, itemDelegate{}, 80, 8)
	selectedList.Title = "Card selection"
	selectedList.SetShowStatusBar(false)
	selectedList.SetFilteringEnabled(false)
	selectedList.SetShowHelp(false)
	selectedList.SetFilteringEnabled(false)
	selectedList.Styles.Title = titleStyle
	selectedList.Styles.PaginationStyle = paginationStyle
	selectedList.Styles.HelpStyle = helpStyle

	return model{
		deck:         deck,
		selectList:   selectedList,
		createInputs: []textinput.Model{front, back},
		selected:     make(map[int]struct{}),
		mode:         Select,
	}
}