package sitebuilder

import (
	"html/template"
	"io/fs"
	"time"

	"lmika.dev/lmika/weiro/models"
	"lmika.dev/lmika/weiro/models/pubmodel"
)

const (
	// Template names

	// tmplNamePostSingle is the template for single post (postSingleData)
	tmplNamePostSingle = "posts_single.html"

	// tmplNamePostList is the template for list of posts (postListData)
	tmplNamePostList = "posts_list.html"

	// tmplNameLayoutMain is the template for the main layout (layoutMainData)
	tmplNameLayoutMain = "layout_main.html"

	// tmplNameCategoryList is the template for the category index page
	tmplNameCategoryList = "categories_list.html"

	// tmplNameCategorySingle is the template for a single category page
	tmplNameCategorySingle = "categories_single.html"

	// tmplNamePageSingle is the template for a single page (pageSingleData)
	tmplNamePageSingle = "pages_single.html"
)

type Options struct {
	BasePosts    string // BasePosts is the base path for posts.
	BasePostList string // BasePostList is the base path for post lists.
	BaseUploads  string // BaseUploads is the base path for uploads.
	BaseStatic   string // BaseStatic is the base path for static assets.

	// TemplatesFS provides the raw templates for rendering the site.
	TemplatesFS fs.FS

	// StaticFS provides the raw assets for the site. This will be written as is
	// from the BaseStatic dir.
	StaticFS fs.FS

	// FeedItems holds the number of posts to show in the feed.
	FeedItems int

	RenderTZ *time.Location
}

type commonData struct {
	Site pubmodel.Site
}

type postSingleData struct {
	commonData
	Post       *models.Post
	HTML       template.HTML
	Path       string
	PostURL    string
	Categories []*models.Category
}

type postListData struct {
	commonData
	Posts    []postSingleData
	PageInfo models.PageInfo
	PrevURL  string
	NextURL  string
}

type layoutData struct {
	commonData
	Body template.HTML
}

type categoryListData struct {
	commonData
	Categories []categoryListItem
}

type categoryListItem struct {
	models.CategoryWithCount
	Path string
}

type categorySingleData struct {
	commonData
	Category        *models.Category
	DescriptionHTML template.HTML
	Posts           []postSingleData
	Path            string
	PageInfo        models.PageInfo
	PrevURL         string
	NextURL         string
}

type pageSingleData struct {
	commonData
	Page *models.Page
	HTML template.HTML
}