package main

import (
	"errors"
	"fmt"
	"github.com/adlio/trello"
	"github.com/rs/zerolog/log"
	"github.com/urfave/cli/v2"
	"time"
)

func moveBacklogCardWithDate(cCtx *cli.Context) error {
	client := getTrelloClient()
	board, err := client.GetBoard(trelloBordID, trello.Defaults())
	if err != nil {
		return fmt.Errorf("cant get bord: %w", err)
	}

	log.Debug().Interface("bord", board).Msg("get bord")

	lists, err := board.GetLists(trello.Defaults())
	if err != nil {
		return fmt.Errorf("cant get losts for board: %w", err)
	}

	log.Debug().Interface("lists", lists).Msg("got lists")

	var backlogList *trello.List
	var todoList *trello.List

	for _, list := range lists {
		if list.Name == "Backlog" {
			backlogList = list
		}
		if list.Name == "ToDo" {
			todoList = list
		}
	}

	if backlogList == nil {
		return errors.New("cant find list with the text \"Backlog\"")
	}

	if todoList == nil {
		return errors.New("cant find list with the text \"ToDo\"")
	}

	cards, err := backlogList.GetCards()
	if err != nil {
		return fmt.Errorf("cant get card for Backlog list list: %w", err)
	}

	var cardsToMoveToTheEndOfTheList []*trello.Card

	for _, card := range cards {
		log.Debug().Str("name", card.Name).Msg("Found card")
		if card.Due == nil {
			for _, cardToMove := range cardsToMoveToTheEndOfTheList {
				err = cardToMove.MoveToBottomOfList()
				if err != nil {
					return fmt.Errorf("cant move card to end: %w", err)
				}
			}
			cardsToMoveToTheEndOfTheList = []*trello.Card{}
			continue
		}
		cardsToMoveToTheEndOfTheList = append(cardsToMoveToTheEndOfTheList, card)
		if card.Due.Before(time.Now()) {
			err = card.MoveToList(todoList.ID)
			if err != nil {
				return fmt.Errorf("cant move card to todo list: %w", err)
			}
			err = card.MoveToTopOfList()
			if err != nil {
				return fmt.Errorf("cant move card to top of todo list: %w", err)
			}
			_, err = card.AddComment(fmt.Sprintf("Due Date %v in Backlog reached, moved to todo!", card.Due))
			if err != nil {
				return fmt.Errorf("cant add comment to card: %w", err)
			}
			err = card.Update(trello.Arguments{"due": "null"})
			if err != nil {
				return fmt.Errorf("cant update card to remove due date: %w", err)
			}
		} else {
			msg := fmt.Sprintf("Saved for resubmission on %v", card.Due.Format(time.DateTime))
			comments, err := card.GetCommentActions()
			if err != nil {
				return fmt.Errorf("cant get last comments: %w", err)
			}

			foundComment := false
			for _, comment := range comments {
				if comment.Data.Text == msg {
					foundComment = true
					continue
				}
			}

			if !foundComment {
				_, err = card.AddComment(msg)
				if err != nil {
					return fmt.Errorf("cant get comment to card: %w", err)
				}
			}

		}

	}

	return nil
}