package model

import (
	"encoding/json"
	"time"
)

// OutboxEvent 可靠事件箱；业务事务内写入，worker 发送并重试。
type OutboxEvent struct {
	ID            string          `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
	EventID       string          `gorm:"column:event_id;size:128;uniqueIndex" json:"eventId"`
	EventType     string          `gorm:"column:event_type;size:64" json:"eventType"`
	AggregateType *string         `gorm:"column:aggregate_type;size:64" json:"aggregateType,omitempty"`
	AggregateID   *string         `gorm:"column:aggregate_id;size:128" json:"aggregateId,omitempty"`
	Payload       json.RawMessage `gorm:"type:jsonb;default:'{}'" json:"payload"`
	Status        string          `gorm:"size:16;default:pending;index:idx_outbox_events_status_next,priority:1" json:"status"`
	Attempts      int             `gorm:"default:0" json:"attempts"`
	MaxAttempts   int             `gorm:"column:max_attempts;default:5" json:"maxAttempts"`
	NextAttemptAt time.Time       `gorm:"column:next_attempt_at;type:timestamptz;default:now();index:idx_outbox_events_status_next,priority:2" json:"nextAttemptAt"`
	LastError     *string         `gorm:"column:last_error;type:text" json:"lastError,omitempty"`
	CreatedAt     time.Time       `gorm:"type:timestamptz" json:"createdAt"`
	UpdatedAt     time.Time       `gorm:"type:timestamptz" json:"updatedAt"`
}

func (OutboxEvent) TableName() string { return "outbox_events" }

// Notification 持久化通知记录；状态 pending/sending/sent/retry/failed/cancelled。
type Notification struct {
	ID               string          `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
	UserID           *string         `gorm:"column:user_id;type:uuid;index:idx_notifications_user_created,priority:1" json:"userId,omitempty"`
	Channel          string          `gorm:"size:32" json:"channel"`
	Target           string          `gorm:"size:128" json:"target"`
	Title            string          `gorm:"size:128" json:"title"`
	Body             string          `gorm:"type:text" json:"body"`
	Status           string          `gorm:"size:16;default:pending;index:idx_notifications_status_next,priority:1" json:"status"`
	Attempts         int             `gorm:"default:0" json:"attempts"`
	NextAttemptAt    time.Time       `gorm:"column:next_attempt_at;type:timestamptz;default:now();index:idx_notifications_status_next,priority:2" json:"nextAttemptAt"`
	LastError        *string         `gorm:"column:last_error;type:text" json:"lastError,omitempty"`
	TemplateID       *string         `gorm:"column:template_id;size:128" json:"templateId,omitempty"`
	OpenID           *string         `gorm:"column:open_id;size:128" json:"openId,omitempty"`
	Authorized       bool            `gorm:"default:false" json:"authorized"`
	ProviderResponse json.RawMessage `gorm:"column:provider_response;type:jsonb" json:"providerResponse,omitempty"`
	Data             json.RawMessage `gorm:"type:jsonb" json:"data,omitempty"`
	BusinessType     *string         `gorm:"column:business_type;size:64" json:"businessType,omitempty"`
	BusinessID       *string         `gorm:"column:business_id;size:128" json:"businessId,omitempty"`
	EventID          *string         `gorm:"column:event_id;size:128;uniqueIndex" json:"eventId,omitempty"`
	CreatedAt        time.Time       `gorm:"type:timestamptz" json:"createdAt"`
	UpdatedAt        time.Time       `gorm:"type:timestamptz" json:"updatedAt"`
}

func (Notification) TableName() string { return "notifications" }