package html

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

	"github.com/Jaculabilis/intake/core"
)

func rawHtml(str string) template.HTML {
	return template.HTML(str)
}

func tsToDate(t int) string {
	tm := time.Unix(int64(t), 0).UTC()
	return tm.Format(time.DateTime)
}

var funcs = template.FuncMap{
	"raw":      rawHtml,
	"tsToDate": tsToDate,
}

//go:embed intake.css
var Stylesheet []byte

//go:embed htmx.org@2.0.4.js
var Htmx []byte

//go:embed *.html
var templates embed.FS

func load(files ...string) *template.Template {
	files = append([]string{"layout.html"}, files...)
	return template.Must(template.New("layout.html").Funcs(funcs).ParseFS(templates, files...))
}

var home = load("home.html")

type SourceData struct {
	Name string
}

type HomeData struct {
	Sources []SourceData
}

func Home(writer io.Writer, data HomeData) error {
	return home.Execute(writer, data)
}

var feed = load("feed.html", "item.html")

type FeedData struct {
	Items []core.Item
}

func Feed(writer io.Writer, data FeedData) error {
	return feed.Execute(writer, data)
}

var item = load("itemPage.html", "item.html")

type ItemData struct {
	Item core.Item
	Open bool
}

func Item(writer io.Writer, data ItemData) error {
	return item.Execute(writer, data)
}