package models

import (
	"log"

	"gorm.io/gorm"
)

// seedSiteSettings 在不存在时插入单例的 site_settings 行（id=1）。
// 文本字段留空，以便模板回退到 i18n 默认值，直到管理员配置它们为止。
func seedSiteSettings(db *gorm.DB) {
	var count int64
	db.Model(&SiteSetting{}).Count(&count)
	if count > 0 {
		return
	}
	s := &SiteSetting{ID: 1}
	if err := db.Create(s).Error; err != nil {
		log.Printf("Warning: failed to seed site_settings: %v", err)
	}
}

// seedUploadConfig 在不存在时插入单例的 upload_configs 行（id=1）。
func seedUploadConfig(db *gorm.DB) {
	var count int64
	db.Model(&UploadConfig{}).Count(&count)
	if count > 0 {
		return
	}
	c := &UploadConfig{
		ID:             1,
		Enabled:        true,
		DefaultMaxSize: DefaultUploadMaxSize,
		StorageDir:     "attachments",
	}
	if err := db.Create(c).Error; err != nil {
		log.Printf("Warning: failed to seed upload_configs: %v", err)
	}
}

// seedCommentConfig 在不存在时插入单例的 comment_configs 行（id=1）。
func seedCommentConfig(db *gorm.DB) {
	var count int64
	db.Model(&CommentConfig{}).Count(&count)
	if count > 0 {
		return
	}
	c := &CommentConfig{
		ID:                   1,
		Enabled:              true,
		AllowGuest:           true,
		GuestRequireApproval: false,
		// SECURITY_TODO #15：Gravatar 可通过反向查询暴露 MD5(邮箱)；
		// 新部署默认关闭，管理员可在评论设置页面重新启用。
		UseGravatar: false,
	}
	if err := db.Create(c).Error; err != nil {
		log.Printf("Warning: failed to seed comment_configs: %v", err)
	}
}

// defaultUploadFileTypes 是首次运行初始化的常用允许附件类型集合。
var defaultUploadFileTypes = []UploadFileType{
	// 图片
	{Extension: ".jpg", MimeType: "image/jpeg", Category: CategoryImage, Enabled: true, Sort: 1},
	{Extension: ".jpeg", MimeType: "image/jpeg", Category: CategoryImage, Enabled: true, Sort: 2},
	{Extension: ".png", MimeType: "image/png", Category: CategoryImage, Enabled: true, Sort: 3},
	{Extension: ".gif", MimeType: "image/gif", Category: CategoryImage, Enabled: true, Sort: 4},
	{Extension: ".webp", MimeType: "image/webp", Category: CategoryImage, Enabled: true, Sort: 5},
	// 文档
	{Extension: ".pdf", MimeType: "application/pdf", Category: CategoryDocument, Enabled: true, Sort: 10},
	{Extension: ".doc", MimeType: "application/msword", Category: CategoryDocument, Enabled: true, Sort: 11},
	{Extension: ".docx", MimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document", Category: CategoryDocument, Enabled: true, Sort: 12},
	{Extension: ".xls", MimeType: "application/vnd.ms-excel", Category: CategoryDocument, Enabled: true, Sort: 13},
	{Extension: ".xlsx", MimeType: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", Category: CategoryDocument, Enabled: true, Sort: 14},
	{Extension: ".ppt", MimeType: "application/vnd.ms-powerpoint", Category: CategoryDocument, Enabled: true, Sort: 15},
	{Extension: ".pptx", MimeType: "application/vnd.openxmlformats-officedocument.presentationml.presentation", Category: CategoryDocument, Enabled: true, Sort: 16},
	{Extension: ".txt", MimeType: "text/plain", Category: CategoryDocument, Enabled: true, Sort: 17},
	// 压缩包
	{Extension: ".zip", MimeType: "application/zip", Category: CategoryArchive, Enabled: true, Sort: 20},
	{Extension: ".rar", MimeType: "application/vnd.rar", Category: CategoryArchive, Enabled: true, Sort: 21},
	{Extension: ".7z", MimeType: "application/x-7z-compressed", Category: CategoryArchive, Enabled: true, Sort: 22},
	// 视频
	{Extension: ".mp4", MimeType: "video/mp4", Category: CategoryVideo, Enabled: true, Sort: 30},
	{Extension: ".avi", MimeType: "video/x-msvideo", Category: CategoryVideo, Enabled: true, Sort: 31},
}

// seedUploadFileTypes 在表为空时初始化允许的文件类型行。
func seedUploadFileTypes(db *gorm.DB) {
	var count int64
	db.Model(&UploadFileType{}).Count(&count)
	if count > 0 {
		return
	}
	if err := db.Create(&defaultUploadFileTypes).Error; err != nil {
		log.Printf("Warning: failed to seed upload_file_types: %v", err)
	}
}