package main

import (
	"fmt"
	"os"
	"os/user"
	"path"
	"time"

	"github.com/fatih/color"
)

func maybe(err error) {
	if err != nil {
		fmt.Printf("Error:\n%s\n", err)
		os.Exit(1)
	}
}

func defaultConfigPath() string {
	u, err := user.Current()
	maybe(err)
	return path.Join(u.HomeDir, "/.pomo/config.json")
}

func summerizeTasks(config *Config, tasks []*Task) {
	for _, task := range tasks {
		var start string
		if len(task.Pomodoros) > 0 {
			start = task.Pomodoros[0].Start.Format(config.DateTimeFmt)
		}
		fmt.Printf("%d: [%s] [%s] ", task.ID, start, task.Duration.Truncate(time.Second))
		// a list of green/yellow/red pomodoros
		// green indicates the pomodoro was finished normally
		// yellow indicates the break was exceeded by +5minutes
		// red indicates the pomodoro was never completed
		fmt.Printf("[")
		for i, pomodoro := range task.Pomodoros {
			if i > 0 {
				fmt.Printf(" ")
			}
			// pomodoro exceeded it's expected duration by more than 5m
			if pomodoro.Duration() > task.Duration+5*time.Minute {
				color.New(color.FgYellow).Printf("X")
			} else {
				// pomodoro completed normally
				color.New(color.FgGreen).Printf("X")
			}
		}
		// each missed pomodoro
		for i := 0; i < task.NPomodoros-len(task.Pomodoros); i++ {
			if i > 0 || i == 0 && len(task.Pomodoros) > 0 {
				fmt.Printf(" ")
			}
			color.New(color.FgRed).Printf("X")
		}
		fmt.Printf("]")
		// Tags
		if len(task.Tags) > 0 {
			fmt.Printf(" [")
			for i, tag := range task.Tags {
				if i > 0 && i != len(task.Tags) {
					fmt.Printf(" ")
				}
				// user specified color mapping exists
				if config.Colors != nil {
					if color := config.Colors.Get(tag); color != nil {
						color.Printf("%s", tag)
					} else {
						// no color mapping for tag
						fmt.Printf("%s", tag)
					}
				} else {
					// no color mapping
					fmt.Printf("%s", tag)
				}

			}
			fmt.Printf("]")
		}
		fmt.Printf(" - %s", task.Message)
		fmt.Printf("\n")
	}
}

func outputStatus(status Status) {
	state := "?"
	if status.State >= RUNNING {
		state = string(status.State.String()[0])
	}
	if status.State == RUNNING {
		fmt.Printf("%s [%d/%d] %s", state, status.Count, status.NPomodoros, status.Remaining)
	} else {
		fmt.Printf("%s [%d/%d] -", state, status.Count, status.NPomodoros)
	}
}