package models

import (
	"time"

	"github.com/uptrace/bun"
)

// ModelUser represents a user in the system
type ModelUser struct {
	bun.BaseModel `bun:"table:users,alias:u"`

	ID        int64     `bun:"id,pk,autoincrement,type:bigint"`
	Username  string    `bun:"username,notnull,type:varchar(100),unique:idx_username"`
	Email     string    `bun:"email,notnull,type:varchar(255),unique"`
	Password  string    `bun:"password,notnull,type:varchar(255)"`
	FirstName *string   `bun:"first_name,type:varchar(100)"`
	LastName  *string   `bun:"last_name,type:varchar(100)"`
	Bio       *string   `bun:"bio,type:text"`
	IsActive  bool      `bun:"is_active,type:boolean"`
	CreatedAt time.Time `bun:"created_at,type:timestamp"`
	UpdatedAt time.Time `bun:"updated_at,type:timestamp"`

	Posts []*ModelPost `bun:"rel:has-many,join:id=user_id"`
}

// ModelPost represents a blog post
type ModelPost struct {
	bun.BaseModel `bun:"table:posts,alias:p"`

	ID          int64      `bun:"id,pk,autoincrement,type:bigint"`
	UserID      int64      `bun:"user_id,notnull,type:bigint"`
	Title       string     `bun:"title,notnull,type:varchar(255)"`
	Slug        string     `bun:"slug,notnull,type:varchar(255),unique:idx_slug"`
	Content     string     `bun:"content,notnull,type:text"`
	Excerpt     *string    `bun:"excerpt,type:text"`
	Published   bool       `bun:"published,type:boolean"`
	ViewCount   int64      `bun:"view_count,type:bigint"`
	PublishedAt *time.Time `bun:"published_at,type:timestamp,nullzero"`
	CreatedAt   time.Time  `bun:"created_at,type:timestamp"`
	UpdatedAt   time.Time  `bun:"updated_at,type:timestamp"`

	User     *ModelUser      `bun:"rel:belongs-to,join:user_id=id"`
	Comments []*ModelComment `bun:"rel:has-many,join:id=post_id"`
}

// ModelComment represents a comment on a post
type ModelComment struct {
	bun.BaseModel `bun:"table:comments,alias:c"`

	ID        int64     `bun:"id,pk,autoincrement,type:bigint"`
	PostID    int64     `bun:"post_id,notnull,type:bigint"`
	UserID    *int64    `bun:"user_id,type:bigint"`
	Content   string    `bun:"content,notnull,type:text"`
	CreatedAt time.Time `bun:"created_at,type:timestamp"`
	UpdatedAt time.Time `bun:"updated_at,type:timestamp"`

	Post *ModelPost `bun:"rel:belongs-to,join:post_id=id"`
	User *ModelUser `bun:"rel:belongs-to,join:user_id=id"`
}