package main

import (
	"fmt"
	"strconv"

	"github.com/charmbracelet/bubbles/list"
	tea "github.com/charmbracelet/bubbletea"
)

type selectingModel struct {
	list list.Model
}

func StartSelecting() selectingModel {
	var s string
	for i := 0; i < 100; i++ {
		s += "echo " + strconv.Itoa(i) + "\n"
	}
	items := []list.Item{
		item{title: "Test command", contents: s},
		item{title: "vim", contents: "vim"},
	}

	list := list.New(items, list.NewDefaultDelegate(), 0, 0)
	list.Title = "Groceries"

	return selectingModel{
		list: list,
	}
}

func (m selectingModel) Init() tea.Cmd {
	return tea.EnterAltScreen
}

func (m selectingModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	var cmds []tea.Cmd

	switch msg := msg.(type) {
	case tea.WindowSizeMsg:
		h, v := appStyle.GetFrameSize()
		m.list.SetSize(msg.Width-h, msg.Height-v)

	case tea.KeyMsg:
		// Don't match any of the keys below if we're actively filtering.
		if m.list.FilterState() == list.Filtering {
			break
		}

		switch msg.String() {

		case "enter", " ":
			return switchToConfirm(m)
		case "+", "n":
			return m, newItem()
		}

	case VimFinishedMsg:
		if msg.err != nil {
			fmt.Println(msg.err)
			return m, tea.Quit
		}

		return switchToDetails(m, msg.snippet)
	}

	// This will also call our delegate's update function.
	newListModel, cmd := m.list.Update(msg)
	m.list = newListModel
	cmds = append(cmds, cmd)

	return m, tea.Batch(cmds...)
}

func (m selectingModel) View() string {
	return appStyle.Render(m.list.View())
}