// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0

// Package model defines the domain entities, DTOs, and schemas for message_gateway.
package model

import (
	"Wavelet/plugins/domain/message_gateway/errs"
	"errors"
	"strings"
	"time"
)

// Channel type and scope constants.
const (
	ChannelTypeTelegram        = "telegram"
	ChannelTypeQQ              = "qq"
	MessageChannelTypeTelegram = "telegram"
	MessageChannelTypeQQ       = "qq"
	MessageOwnerScopeSystem    = "system"

	TypeCustom   = "custom"
	TypeEmail    = "email"
	TypeTelegram = "telegram"
)

// Capability describes what an adapter can send and receive.
type Capability struct {
	Text  bool
	Image bool
	File  bool
	Reply bool
	Group bool
}

// ChannelConfig is the decrypted runtime config passed to a factory.
type ChannelConfig struct {
	ID          uint64
	Type        string
	Name        string
	Credentials map[string]string
	Extra       map[string]string
}

// Recipient is the outbound destination on a platform.
type Recipient struct {
	ChatID         string
	PlatformUserID string
}

// Attachment is a downloaded inbound file sitting on local disk.
type Attachment struct {
	Path     string
	FileName string
	MIME     string
	Error    string
}

// InboundMessage is a normalized private-chat message.
type InboundMessage struct {
	ChannelID      uint64
	ChannelType    string
	PlatformUserID string
	ChatID         string
	MessageID      string
	Text           string
	Attachments    []Attachment
	BindingUserID  *uint64
}

// OutboundMessage is a reply or probe send.
type OutboundMessage struct {
	Text        string
	ReplyToID   string
	Attachments []Attachment
}

// MessageChannel is an admin-configured messaging adapter.
type MessageChannel struct {
	ID          uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
	Type        string    `json:"type" gorm:"size:32;not null"`
	Name        string    `json:"name" gorm:"size:64;not null"`
	OwnerScope  string    `json:"owner_scope" gorm:"size:32;not null;default:'system'"`
	OwnerID     *uint64   `json:"owner_id,omitempty"`
	Credentials string    `json:"credentials" gorm:"type:text;not null"`
	Extra       string    `json:"extra" gorm:"type:text"`
	Enabled     bool      `json:"enabled" gorm:"default:false;not null"`
	CreatedAt   time.Time `json:"created_at" gorm:"autoCreateTime"`
	UpdatedAt   time.Time `json:"updated_at" gorm:"autoUpdateTime"`
}

// TableName 表名
func (MessageChannel) TableName() string {
	return "w_message_channels"
}

// MessageBinding maps a platform user to a Wavelet user on one channel.
type MessageBinding struct {
	ID             uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
	ChannelID      uint64    `json:"channel_id" gorm:"not null;index"`
	PlatformUserID string    `json:"platform_user_id" gorm:"size:128;not null;index"`
	UserID         uint64    `json:"user_id" gorm:"not null;index"`
	CreatedAt      time.Time `json:"created_at" gorm:"autoCreateTime"`
}

// TableName 表名
func (MessageBinding) TableName() string {
	return "w_message_bindings"
}

// MessagePairingCode is a one-time bind code.
type MessagePairingCode struct {
	ID             uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
	Code           string    `json:"code" gorm:"size:32;uniqueIndex;not null"`
	ChannelID      uint64    `json:"channel_id" gorm:"not null;index"`
	PlatformUserID string    `json:"platform_user_id" gorm:"size:128;not null;index"`
	UserID         uint64    `json:"user_id" gorm:"not null;index"`
	ExpiresAt      time.Time `json:"expires_at" gorm:"not null;index"`
	CreatedAt      time.Time `json:"created_at" gorm:"autoCreateTime"`
}

// TableName 表名
func (MessagePairingCode) TableName() string {
	return "w_message_pairing_codes"
}

// PushChannel 消息通道模型
type PushChannel struct {
	ID          uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
	Name        string    `json:"name" gorm:"size:100;not null"`
	Description string    `json:"description" gorm:"size:255"`
	Type        string    `json:"type" gorm:"size:50;not null;index"`
	URL         string    `json:"url" gorm:"type:text"`
	Token       string    `json:"token" gorm:"type:text"`
	Other       string    `json:"other" gorm:"type:text"`
	Enabled     bool      `json:"enabled" gorm:"index;not null;default:true"`
	CreatedAt   time.Time `json:"created_at" gorm:"autoCreateTime;index"`
	UpdatedAt   time.Time `json:"updated_at" gorm:"autoUpdateTime;index"`
}

// TableName 指定 GORM 表名
func (PushChannel) TableName() string {
	return "w_push_channels"
}

// Validate 验证与标准化字段
func (c *PushChannel) Validate() error {
	c.Name = strings.TrimSpace(c.Name)
	if c.Name == "" {
		return errors.New(errs.ErrChannelNameRequired)
	}
	c.Type = strings.TrimSpace(c.Type)
	if c.Type == "" {
		return errors.New(errs.ErrChannelTypeRequired)
	}
	return nil
}

// PushEvent 系统通知事件模型
type PushEvent struct {
	ID        uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
	EventKey  string    `json:"event_key" gorm:"uniqueIndex;size:80;not null"`
	Name      string    `json:"name" gorm:"size:100;not null"`
	TaskType  string    `json:"task_type" gorm:"size:100;index;not null;default:''"`
	Channels  []string  `json:"channels" gorm:"type:text;serializer:json;not null"`
	Targets   []string  `json:"targets" gorm:"type:text;serializer:json;not null"`
	Template  string    `json:"template" gorm:"type:text;not null"`
	Enabled   bool      `json:"enabled" gorm:"index;not null;default:false"`
	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index"`
	UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime;index"`
}

// TableName 指定 GORM 表名
func (PushEvent) TableName() string {
	return "w_push_events"
}

// Validate 验证 PushEvent 实体字段
func (e *PushEvent) Validate() error {
	e.EventKey = strings.TrimSpace(e.EventKey)
	if e.EventKey == "" {
		return errors.New(errs.ErrEventKeyRequired)
	}
	e.Name = strings.TrimSpace(e.Name)
	if e.Name == "" {
		return errors.New(errs.ErrNameRequired)
	}
	return nil
}

// PushHistory 推送日志/历史实体
type PushHistory struct {
	ID        uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
	EventKey  string    `json:"event_key" gorm:"size:80;not null;index"`
	Channel   string    `json:"channel" gorm:"size:50;not null;index"`
	Target    string    `json:"target" gorm:"size:255;not null"`
	Title     string    `json:"title" gorm:"size:255;not null"`
	Content   string    `json:"content" gorm:"type:text;not null"`
	Level     string    `json:"level" gorm:"size:20;not null;default:'INFO'"`
	Status    string    `json:"status" gorm:"size:20;not null;index"`
	ErrorMsg  string    `json:"error_msg" gorm:"type:text"`
	Payload   string    `json:"payload" gorm:"type:text"`
	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index"`
}

// TableName 指定 GORM 表名
func (PushHistory) TableName() string {
	return "w_push_histories"
}

// BindRequest is the user bind body.
type BindRequest struct {
	ChannelID string `json:"channel_id"`
	Code      string `json:"code"`
}

// BindingDTO is a user-facing binding row.
type BindingDTO struct {
	ID             uint64    `json:"id,string"`
	UserID         uint64    `json:"user_id,string"`
	ChannelID      uint64    `json:"channel_id,string"`
	ChannelName    string    `json:"channel_name"`
	ChannelType    string    `json:"channel_type"`
	PlatformUserID string    `json:"platform_user_id"`
	CreatedAt      time.Time `json:"created_at"`
}

// PublicChannelDTO is an enabled channel a user can bind to.
type PublicChannelDTO struct {
	ID   uint64 `json:"id,string"`
	Name string `json:"name"`
	Type string `json:"type"`
}

// PushNotificationEvent defines the payload for eventbus notification trigger.
type PushNotificationEvent struct {
	UserID   uint64         `json:"user_id"`
	Channel  string         `json:"channel"`
	Title    string         `json:"title"`
	Content  string         `json:"content"`
	Metadata map[string]any `json:"metadata,omitempty"`
}