package app

import "sync"

var periodCache = periodCacheType{
	obj: map[string]map[string]*CalendarPeriod{},
}

// periodCacheType maps [accountID][dateString]
type periodCacheType struct {
	sync.RWMutex
	obj map[string]map[string]*CalendarPeriod
}

func (m *periodCacheType) get(accountID, dateStr string) (*CalendarPeriod, bool) {
	m.RLock()
	defer m.RUnlock()
	r, ok := m.obj[accountID][dateStr]
	return r, ok
}

func (m *periodCacheType) put(accountID, dateStr string, period *CalendarPeriod) {
	m.init(accountID)
	m.Lock()
	defer m.Unlock()
	m.obj[accountID][dateStr] = period
}

func (m *periodCacheType) init(accountID string) {
	m.RLock()
	defer m.RUnlock()
	_, ok := m.obj[accountID]
	if !ok {
		m.obj[accountID] = map[string]*CalendarPeriod{}
	}
}