package models

import (
	"time"

	"gorm.io/gorm"
)

// 用户模型
type User struct {
	ID        uint           `gorm:"primarykey" json:"id"`
	CreatedAt time.Time      `json:"created_at"`
	UpdatedAt time.Time      `json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
	Username  string         `gorm:"uniqueIndex;size:50;not null" json:"username"`
	Password  string         `gorm:"size:255;not null" json:"-"`
	Nickname  string         `gorm:"size:100" json:"nickname"`
	Email     string         `gorm:"size:100" json:"email"`
	Avatar    string         `gorm:"size:255" json:"avatar"`
	Role      string         `gorm:"size:20;default:'user'" json:"role"` // admin, user
	Status    int            `gorm:"default:1" json:"status"`            // 1:启用 0:禁用
}

// 文章模型
type Post struct {
	ID          uint           `gorm:"primarykey" json:"id"`
	CreatedAt   time.Time      `json:"created_at"`
	UpdatedAt   time.Time      `json:"updated_at"`
	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
	Title       string         `gorm:"size:200;not null" json:"title"`
	Slug        string         `gorm:"uniqueIndex;size:200" json:"slug"`
	Content     string         `gorm:"type:text" json:"content"`
	Summary     string         `gorm:"size:500" json:"summary"`
	Cover       string         `gorm:"size:255" json:"cover"`
	AuthorID    uint           `json:"author_id"`
	Author      User           `gorm:"foreignKey:AuthorID" json:"author"`
	CategoryID  uint           `json:"category_id"`
	Category    Category       `gorm:"foreignKey:CategoryID" json:"category"`
	Tags        []Tag          `gorm:"many2many:post_tags;" json:"tags"`
	Views       int            `gorm:"default:0" json:"views"`
	Status      string         `gorm:"size:20;default:'draft'" json:"status"` // published, draft, private
	IsTop       bool           `gorm:"default:false" json:"is_top"`
	PublishedAt *time.Time     `json:"published_at"`
	Comments    []Comment      `json:"comments,omitempty"`
}

// 分类模型
type Category struct {
	ID          uint      `gorm:"primarykey" json:"id"`
	CreatedAt   time.Time `json:"created_at"`
	UpdatedAt   time.Time `json:"updated_at"`
	Name        string    `gorm:"size:100;not null" json:"name"`
	Slug        string    `gorm:"uniqueIndex;size:100" json:"slug"`
	Description string    `gorm:"size:255" json:"description"`
	ParentID    *uint     `json:"parent_id"`
	PostCount   int       `gorm:"default:0" json:"post_count"`
}

// 标签模型
type Tag struct {
	ID        uint      `gorm:"primarykey" json:"id"`
	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
	Name      string    `gorm:"size:100;not null" json:"name"`
	Slug      string    `gorm:"uniqueIndex;size:100" json:"slug"`
	PostCount int       `gorm:"default:0" json:"post_count"`
}

// 评论模型
type Comment struct {
	ID        uint           `gorm:"primarykey" json:"id"`
	CreatedAt time.Time      `json:"created_at"`
	UpdatedAt time.Time      `json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
	PostID    uint           `json:"post_id"`
	Post      Post           `gorm:"foreignKey:PostID" json:"-"`
	ParentID  *uint          `json:"parent_id"`
	Author    string         `gorm:"size:100" json:"author"`
	Email     string         `gorm:"size:100" json:"email"`
	Website   string         `gorm:"size:255" json:"website"`
	Content   string         `gorm:"type:text;not null" json:"content"`
	IP        string         `gorm:"size:50" json:"-"`
	Status    string         `gorm:"size:20;default:'pending'" json:"status"` // approved, pending, spam
	UserID    *uint          `json:"user_id"`
	User      *User          `gorm:"foreignKey:UserID" json:"user,omitempty"`
	Children  []Comment      `gorm:"foreignKey:ParentID" json:"children,omitempty"`
}

// 设置模型
type Option struct {
	ID    uint   `gorm:"primarykey"`
	Key   string `gorm:"uniqueIndex;size:100"`
	Value string `gorm:"type:text"`
}

// 页面模型（独立页面）
type Page struct {
	ID        uint           `gorm:"primarykey" json:"id"`
	CreatedAt time.Time      `json:"created_at"`
	UpdatedAt time.Time      `json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
	Title     string         `gorm:"size:200;not null" json:"title"`
	Slug      string         `gorm:"uniqueIndex;size:200" json:"slug"`
	Content   string         `gorm:"type:text" json:"content"`
	AuthorID  uint           `json:"author_id"`
	Author    User           `gorm:"foreignKey:AuthorID" json:"author"`
	Status    string         `gorm:"size:20;default:'draft'" json:"status"`
	Order     int            `gorm:"default:0" json:"order"`
}