package aoc

import "fmt"

type SessionRequiredError struct{}

func (e SessionRequiredError) Error() string {
	return "session key is required"
}

type SessionError struct{}

func (e SessionError) Error() string {
	return "invalid session"
}

type BoardIdRequiredError struct{}

func (e BoardIdRequiredError) Error() string {
	return "board id is required"
}

type InvalidYearError struct{}

func (e InvalidYearError) Error() string {
	return "invalid year"
}

type LeaderboardNotCachedError struct {
	year int
}

func (e LeaderboardNotCachedError) Error() string {
	return fmt.Sprintf("leaderboard (%d) is not cached", e.year)
}