package templating_test

import (
	"context"
	html "html/template"
	"log"
	"os"
	text "text/template"

	"gitoa.ru/go-4devs/templating"
	"gitoa.ru/go-4devs/templating/gohtml"
	"gitoa.ru/go-4devs/templating/gotxt"
	"gitoa.ru/go-4devs/templating/render"
)

type Data struct {
	Name string
}

func ExampleExecute() {
	ctx := context.Background()
	data := Data{Name: "andrey"}

	gohtml.Must(html.New("example.html").Parse(`Hello {{ .Name }}!`))

	err := templating.Execute(ctx, os.Stdout, "example.html.gohtml", data)
	if err != nil {
		log.Fatalln(err)
	}
	// Output:
	// Hello andrey!
}

func ExampleExecute_withOption() {
	ctx := context.Background()
	data := Data{Name: "<b>world</b>"}

	gohtml.Must(html.New("example_with_option.html").Parse(`Hello <s>{{ .Name }}</s>!`))

	err := templating.Execute(ctx, os.Stdout, "example_with_option.html", data, render.WithEngine(gohtml.Name))
	if err != nil {
		log.Fatalln(err)
	}
	// Output:
	// Hello <s>&lt;b&gt;world&lt;/b&gt;</s>!
}

func ExampleExecute_text() {
	ctx := context.Background()
	data := Data{Name: "<u>text</u>"}

	gotxt.Must(text.New("example.txt").Parse(`Hello {{ .Name }}!`))

	err := templating.Execute(ctx, os.Stdout, "example.txt.gotxt", data)
	if err != nil {
		log.Fatalln(err)
	}
	// Output:
	// Hello <u>text</u>!
}

func ExampleExecute_withoutEngine() {
	ctx := context.Background()
	data := Data{Name: "engine"}

	gotxt.Must(text.New("example_engine.txt").Parse(`Text {{ .Name }}!`))
	gohtml.Must(html.New("example_engine.html").Parse(`Html {{ .Name }}!`))

	err := templating.Execute(ctx, os.Stdout, "example_engine.html", data)
	if err != nil {
		log.Fatalln(err)
	}
	// Output:
	// Html engine!
}