package tui

import (
	"git.iamthefij.com/iamthefij/slog"
	"github.com/charmbracelet/bubbles/list"
	tea "github.com/charmbracelet/bubbletea"

	"git.iamthefij.com/iamthefij/imap-notes/lib"
)

type folderListItem struct {
	folder *lib.NoteFolder
}

func (fi folderListItem) Title() string {
	return fi.folder.Name
}

func (fi folderListItem) Description() string {
	return ""
}

func (fi folderListItem) FilterValue() string {
	return fi.folder.Name
}

type folderListModel struct {
	list           list.Model
	selectedFolder *lib.NoteFolder
}

func newFolderList() folderListModel {
	m := folderListModel{}

	client, err := lib.GetClient()
	slog.OnErrFatalf(err, "failed to log on")

	folders, err := client.ListNoteFolders()
	slog.OnErrFatalf(err, "failed get folder list")

	folderItems := []list.Item{}

	for _, folder := range folders {
		item := folderListItem{folder}
		// item := listItem{title: folder.Name, desc: "", folder: folder}
		// slog.Debugf("adding %s to list", item.Title())
		folderItems = append(folderItems, item)
	}

	itemDelegate := list.NewDefaultDelegate()
	itemDelegate.ShowDescription = false

	m.list = list.New(folderItems, itemDelegate, 0, 0)
	m.list.Title = "Note Folders"
	m.list.SetShowHelp(false)
	m.list.DisableQuitKeybindings()

	return m
}

func (m folderListModel) Init() tea.Cmd {
	return nil
}

func (m folderListModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	switch msg := msg.(type) {
	case tea.KeyMsg:
		switch msg.String() {
		case "ctrl+c", "q":
			return m, tea.Quit

		case "enter":
			folderItem, ok := m.list.SelectedItem().(folderListItem)
			if ok {
				folder := folderItem.folder
				// slog.Debugf("Yay! We selected folder %s", folder.Name)
				m.selectedFolder = folder

				return m, nil
			}

			slog.Fatalf("selected an unknown item?")

			return m, tea.Quit
		}

	case tea.WindowSizeMsg:
		m.list.SetSize(msg.Width, msg.Height)
	}

	var cmd tea.Cmd
	m.list, cmd = m.list.Update(msg)

	return m, cmd
}

func (m folderListModel) View() string {
	return m.list.View()
}

func LaunchFolderView() {
	p := tea.NewProgram(newFolderList(), tea.WithAltScreen())
	slog.OnErrFatalf(p.Start(), "error running TUI")
}