package main

import (
	"fmt"
	"time"
)

type TaskPayload struct {
	Id      int    `json:"id"`
	Name    string `json:"name"  binding:"required"`
	DueDate string `json:"dueDate"`
	Context string `json:"context"`
	DoneRaw string `json:"done"`
}

type Task struct {
	Id        int
	CreatedAt string
	Name      string
	Done      bool
	DueDate   string
	Context   string
}

func (t Task) String() string {
	return fmt.Sprintf("%d) %s (%s) [%s]", t.Id, t.Name, t.DueDate, t.Context)
}

type TasksList struct {
	tasks map[string]Task
}

func (tl TasksList) getSortedTasks() map[string][]Task {

	var todayTasks = make([]Task, 0)
	var soonTasks = make([]Task, 0)
	var laterTasks = make([]Task, 0)

	now := time.Now()
	today := time.Date(now.Year(), now.Month(), now.Day()+1, 0, 0, 0, 0, time.Local)
	inOneWeek := today.AddDate(0, 0, 7)

	for _, task := range tl.tasks {
		if task.DueDate == "" {
			todayTasks = append(todayTasks, task)
			continue
		}

		dueDate, _ := time.Parse("2006-01-02", task.DueDate)

		if today.After(dueDate) {
			todayTasks = append(todayTasks, task)
		} else if inOneWeek.After(dueDate) {
			soonTasks = append(soonTasks, task)
		} else {
			laterTasks = append(laterTasks, task)
		}
	}

	return map[string][]Task{
		"soon":  soonTasks,
		"today": todayTasks,
		"later": laterTasks,
	}
}