// Package ironnotify provides an SDK for sending notifications via IronNotify.
package ironnotify

import "time"

// SeverityLevel represents the severity of a notification.
type SeverityLevel string

const (
	SeverityInfo     SeverityLevel = "info"
	SeveritySuccess  SeverityLevel = "success"
	SeverityWarning  SeverityLevel = "warning"
	SeverityError    SeverityLevel = "error"
	SeverityCritical SeverityLevel = "critical"
)

// ConnectionState represents the WebSocket connection state.
type ConnectionState string

const (
	StateDisconnected  ConnectionState = "disconnected"
	StateConnecting    ConnectionState = "connecting"
	StateConnected     ConnectionState = "connected"
	StateReconnecting  ConnectionState = "reconnecting"
)

// NotificationAction represents an action button on a notification.
type NotificationAction struct {
	Label  string `json:"label"`
	URL    string `json:"url,omitempty"`
	Action string `json:"action,omitempty"`
	Style  string `json:"style,omitempty"`
}

// NotificationPayload represents the data sent to create a notification.
type NotificationPayload struct {
	EventType        string               `json:"eventType"`
	Title            string               `json:"title"`
	Message          string               `json:"message,omitempty"`
	Severity         SeverityLevel        `json:"severity,omitempty"`
	Metadata         map[string]any       `json:"metadata,omitempty"`
	Actions          []NotificationAction `json:"actions,omitempty"`
	UserID           string               `json:"userId,omitempty"`
	GroupKey         string               `json:"groupKey,omitempty"`
	DeduplicationKey string               `json:"deduplicationKey,omitempty"`
	ExpiresAt        *time.Time           `json:"expiresAt,omitempty"`
}

// Notification represents a notification received from the server.
type Notification struct {
	ID        string               `json:"id"`
	EventType string               `json:"eventType"`
	Title     string               `json:"title"`
	Message   string               `json:"message,omitempty"`
	Severity  SeverityLevel        `json:"severity"`
	Metadata  map[string]any       `json:"metadata,omitempty"`
	Actions   []NotificationAction `json:"actions,omitempty"`
	UserID    string               `json:"userId,omitempty"`
	GroupKey  string               `json:"groupKey,omitempty"`
	Read      bool                 `json:"read"`
	CreatedAt time.Time            `json:"createdAt"`
	ExpiresAt *time.Time           `json:"expiresAt,omitempty"`
}

// SendResult represents the result of sending a notification.
type SendResult struct {
	Success        bool   `json:"success"`
	NotificationID string `json:"notificationId,omitempty"`
	Error          string `json:"error,omitempty"`
	Queued         bool   `json:"queued,omitempty"`
}

// NotificationHandler is a callback function for receiving notifications.
type NotificationHandler func(notification Notification)

// UnreadCountHandler is a callback function for unread count changes.
type UnreadCountHandler func(count int)

// ConnectionStateHandler is a callback function for connection state changes.
type ConnectionStateHandler func(state ConnectionState)