package domain

import (
	"encoding/json"
	"time"
)

type ScheduledNotificationStatus string

const (
	ScheduledStatusPending    ScheduledNotificationStatus = "pending"
	ScheduledStatusProcessing ScheduledNotificationStatus = "processing"
	ScheduledStatusSent       ScheduledNotificationStatus = "sent"
	ScheduledStatusFailed     ScheduledNotificationStatus = "failed"
	ScheduledStatusCancelled  ScheduledNotificationStatus = "cancelled"
)

type ScheduledNotificationTargetRaw struct {
	Phones []string `json:"phones,omitempty"`
	Emails []string `json:"emails,omitempty"`
}

type ScheduledNotification struct {
	ID      int64           `json:"id"`
	Channel DeliveryChannel `json:"channel"`
	Title   string          `json:"title,omitempty"`
	Message string          `json:"message"`
	HTML    string          `json:"html,omitempty"`

	ScheduledAt time.Time                   `json:"scheduled_at"`
	Status      ScheduledNotificationStatus `json:"status"`

	TargetUserIDs []int64         `json:"target_user_ids,omitempty"`
	TargetRole    string          `json:"target_role,omitempty"`
	TargetRaw     json.RawMessage `json:"target_raw,omitempty"`

	AttemptCount int32  `json:"attempt_count"`
	LastError    string `json:"last_error,omitempty"`

	ProcessingStartedAt *time.Time `json:"processing_started_at,omitempty"`
	SentAt              *time.Time `json:"sent_at,omitempty"`
	CancelledAt         *time.Time `json:"cancelled_at,omitempty"`

	CreatedBy int64     `json:"created_by"`
	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
}

type ScheduledNotificationFilter struct {
	Status  string
	Channel string
	After   *time.Time
	Before  *time.Time
	Limit   int
	Offset  int
}