/*
Copyright © 2024 Thomas von Dein

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package ui

import (
	"fmt"

	"github.com/charmbracelet/bubbles/key"
	"github.com/charmbracelet/bubbles/spinner"
	tea "github.com/charmbracelet/bubbletea"
	"github.com/charmbracelet/lipgloss"
	"github.com/tlinden/anydb/cfg"
)

type model struct {
	spinner  spinner.Model
	conf     *cfg.Config
	quitting bool
	err      error
}

var quitKeys = key.NewBinding(
	key.WithKeys("q", "esc", "ctrl+c"),
	key.WithHelp("", "press q to quit"),
)

var (
	appStyle = lipgloss.NewStyle().Padding(1, 2)

	titleStyle = lipgloss.NewStyle().
			Foreground(lipgloss.Color("#FFFDF5")).
			Background(lipgloss.Color("#25A065")).
			Padding(0, 1)

	statusMessageStyle = lipgloss.NewStyle().
				Foreground(lipgloss.AdaptiveColor{Light: "#04B575", Dark: "#04B575"}).
				Render
)

func InitialModel(conf *cfg.Config) model {
	s := spinner.New()
	s.Spinner = spinner.Dot
	s.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("205"))
	return model{spinner: s, conf: conf}
}

func (m model) Init() tea.Cmd {
	return m.spinner.Tick
}

func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	switch msg := msg.(type) {

	case tea.KeyMsg:
		if key.Matches(msg, quitKeys) {
			m.quitting = true
			return m, tea.Quit

		}
		return m, nil
	case error:
		m.err = msg
		return m, nil

	default:
		var cmd tea.Cmd
		m.spinner, cmd = m.spinner.Update(msg)
		return m, cmd
	}
}

func (m model) View() string {
	if m.err != nil {
		return m.err.Error()
	}
	str := fmt.Sprintf("\n\n   %s Loading forever... %s\n\n", m.spinner.View(), quitKeys.Help().Desc)
	if m.quitting {
		return str + "\n"
	}
	return str
}