package models

import (
	"bytes"
	"html/template"
	"strings"
	"time"
)

const (
	// Имя соответствующего шаблона
	PostsPageTmplName = "posts.gohtml"
)

type Posts map[PostName]Post

func RenderPostsPage(templates *template.Template, version int64) ([]byte, error) {
	var pageData bytes.Buffer

	posts := Posts{
		"post 1": *NewPost(
			"post 1",
			"post-1",
			"full content 1 with more than 100 characters Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam euismod...",
		),
		"post 2": *NewPost(
			"post 2",
			"post-2",
			"full content 2",
		),
		"post 3": *NewPost(
			"post 3",
			"post-3",
			strings.Repeat("This is post 3 content. ", 30),
		),
	}

	context := map[string]any{
		"version":            version,
		"renderingTimestamp": time.Now().Unix(),
		"posts":              posts,
	}

	if err := templates.ExecuteTemplate(&pageData, PostsPageTmplName, context); err != nil {
		return nil, err
	}

	return pageData.Bytes(), nil
}