package client

import (
	"fmt"
	"strings"

	"github.com/alecthomas/colour"

	GoTomato "git.smsvc.net/pomodoro/GoTomato/pkg/models"
	"github.com/charmbracelet/bubbles/progress"
)

var progressBar = progress.New(progress.WithDefaultGradient(), progress.WithoutPercentage())

func (a app) View() string {
	var body string
	var serverStatus string

	body = "Waiting for server message..."
	if a.pomodoro != (GoTomato.ServerMessage{}) {
		body = terminalOutput(a.pomodoro)
		desktopNotifications(a.pomodoro)
	}

	serverStatus = colour.Sprintf("^D^1%v^R\n", client.LastErr)
	if client.Connected() && client.LastErr == nil {
		serverStatus = colour.Sprintf("^D^2connected to %s^R\n", client.Server)
	}

	helpView := a.help.View(a.keys)
	height := 10 - strings.Count(body, "\n") - strings.Count(serverStatus, "\n") - strings.Count(helpView, "\n")

	return body + strings.Repeat("\n", height) + serverStatus + helpView
}

// Return terminal output based on the passed ServerMessage
func terminalOutput(pomodoro GoTomato.ServerMessage) string {
	var (
		output string

		modePrefix  string
		timerOutput string
	)

	// header
	output += colour.Sprintf("^D^4Work: %d ◊ Break: %d ◊ Longbreak: %d^R\n\n",
		pomodoro.Settings.Work/60,
		pomodoro.Settings.ShortBreak/60,
		pomodoro.Settings.LongBreak/60,
	)

	//body
	switch pomodoro.Mode {
	case "Idle":
		modePrefix = " "
		timerOutput = ""
	default:
		modePrefix = " "
		if pomodoro.Paused {
			modePrefix = " "
		}
		minutes := pomodoro.TimeLeft / 60
		seconds := pomodoro.TimeLeft % 60

		timerOutput = fmt.Sprintf("⏱  %02d:%02d", minutes, seconds) + "\n"
		timerOutput += progressBar.ViewAs(calc_percentage(pomodoro))
	}

	output += fmt.Sprintf("Session: %d/%d\n",
		pomodoro.Session,
		pomodoro.Settings.Sessions,
	)
	output += fmt.Sprintf("%s %s\n", modePrefix, pomodoro.Mode) + "\n"
	output += timerOutput

	return output
}

func calc_percentage(message GoTomato.ServerMessage) float64 {
	var duration float64

	switch message.Mode {
	case "Work":
		duration = float64(message.Settings.Work)
	case "ShortBreak":
		duration = float64(message.Settings.ShortBreak)
	case "LongBreak", "End":
		duration = float64(message.Settings.LongBreak)
	}

	timeLeft := float64(message.TimeLeft)
	return 1.0 - (timeLeft / duration)
}