package model

import (
	"database/sql"
	"fmt"
	"html/template"
	"regexp"
	"strings"
	"time"
)

type (
	BlogPost struct {
        ID              string          `json:"id" db:"id"`
        Title		    string		    `json:"title" db:"title"`
        Description     string 		    `json:"description" db:"description"`
        Visible		    bool		    `json:"visible" db:"visible"`
        CreatedAt       time.Time	    `json:"created_at" db:"created_at"`
        ModifiedAt      sql.NullTime    `json:"modified_at" db:"modified_at"`
        AuthorID	    string			`json:"author" db:"author"`
        Markdown 	    string 			`json:"markdown" db:"markdown"`
        HTML		    template.HTML	`json:"html" db:"html"`
        BlueskyActorID	*string         `json:"bluesky_actor" db:"bluesky_actor"`
        BlueskyPostID	*string         `json:"bluesky_post" db:"bluesky_post"`
	}
)

func (b *BlogPost) TitleNormalised() string {
	rgx := regexp.MustCompile(`[^a-z0-9\-]`)
	return rgx.ReplaceAllString(
		strings.ReplaceAll(
			strings.ToLower(b.Title), " ", "-",
		),
		"",
	)
}

func (b *BlogPost) GetMonth() string {
	return fmt.Sprintf("%02d", int(b.CreatedAt.Month()))
}

func (b *BlogPost) PrintDate() string {
    return b.CreatedAt.Format("2 January 2006, 15:04")
}

func (b *BlogPost) PrintModifiedDate() string {
    if !b.ModifiedAt.Valid {
        return ""
    }
    return b.ModifiedAt.Time.Format("2 January 2006, 15:04")
}