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package todolist
import (
"fmt"
"os"
"regexp"
"sort"
"strconv"
"strings"
"text/tabwriter"
"time"
"github.com/fatih/color"
)
type Formatter struct {
GroupedTodos *GroupedTodos
Writer *tabwriter.Writer
}
func NewFormatter(todos *GroupedTodos) *Formatter {
w := new(tabwriter.Writer)
w.Init(os.Stdout, 0, 8, 0, '\t', 0)
formatter := &Formatter{GroupedTodos: todos, Writer: w}
return formatter
}
func (f *Formatter) Print() {
cyan := color.New(color.FgCyan).SprintFunc()
var keys []string
for key := range f.GroupedTodos.Groups {
keys = append(keys, key)
}
sort.Strings(keys)
for _, key := range keys {
fmt.Fprintf(f.Writer, "\n %s\n", cyan(key))
for _, todo := range f.GroupedTodos.Groups[key] {
f.printTodo(todo)
}
}
f.Writer.Flush()
}
func (f *Formatter) printTodo(todo *Todo) {
yellow := color.New(color.FgYellow).SprintFunc()
fmt.Fprintf(f.Writer, " %s\t%s\t%s\t%s\t\n",
yellow(strconv.Itoa(todo.Id)),
f.formatCompleted(todo.Completed),
f.formatDue(todo.Due),
f.formatSubject(todo.Subject))
}
func (f *Formatter) formatDue(due string) string {
blue := color.New(color.FgBlue).SprintFunc()
red := color.New(color.FgRed).SprintFunc()
if due == "" {
return blue(" ")
}
dueTime, err := time.Parse("2006-01-02", due)
if err != nil {
fmt.Println(err)
fmt.Println("This may due to the corruption of .todos.json file.")
os.Exit(-1)
}
if isToday(dueTime) {
return blue("today")
} else if isTomorrow(dueTime) {
return blue("tomorrow")
} else if isPastDue(dueTime) {
return red(dueTime.Format("Mon Jan 2"))
} else {
return blue(dueTime.Format("Mon Jan 2"))
}
}
func isToday(t time.Time) bool {
nowYear, nowMonth, nowDay := time.Now().Date()
timeYear, timeMonth, timeDay := t.Date()
return nowYear == timeYear &&
nowMonth == timeMonth &&
nowDay == timeDay
}
func isTomorrow(t time.Time) bool {
nowYear, nowMonth, nowDay := time.Now().AddDate(0, 0, 1).Date()
timeYear, timeMonth, timeDay := t.Date()
return nowYear == timeYear &&
nowMonth == timeMonth &&
nowDay == timeDay
}
func isPastDue(t time.Time) bool {
return time.Now().After(t)
}
func (f *Formatter) formatSubject(subject string) string {
red := color.New(color.FgRed).SprintFunc()
magenta := color.New(color.FgMagenta).SprintFunc()
splitted := strings.Split(subject, " ")
projectRegex, _ := regexp.Compile(`\+[\p{L}\d_]+`)
contextRegex, _ := regexp.Compile(`\@[\p{L}\d_]+`)
coloredWords := []string{}
for _, word := range splitted {
if projectRegex.MatchString(word) {
coloredWords = append(coloredWords, magenta(word))
} else if contextRegex.MatchString(word) {
coloredWords = append(coloredWords, red(word))
} else {
coloredWords = append(coloredWords, word)
}
}
return strings.Join(coloredWords, " ")
}
func (f *Formatter) formatCompleted(completed bool) string {
if completed {
return "[x]"
} else {
return "[ ]"
}
}
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