package main

import (
	"os"
	"path/filepath"
	"runtime"
	"strings"

	"github.com/alecthomas/chroma/v2/formatters/html"
	"github.com/alecthomas/chroma/v2/styles"
)

func main() {
	_, file, _, _ := runtime.Caller(0)
	cssDir := filepath.Join(filepath.Dir(file), "../../internal/templates/css")

	formatter := html.New(
		html.WithLineNumbers(true),
		html.WithLinkableLineNumbers(true, "L"),
		html.WithClasses(true),
	)

	lightStyle := styles.Get("github")
	darkStyle := styles.Get("github-dark")

	var light, dark strings.Builder
	_ = formatter.WriteCSS(&light, lightStyle)
	_ = formatter.WriteCSS(&dark, darkStyle)

	light.WriteString(".chroma .gi { display: block; }\n")
	light.WriteString(".chroma .gd { display: block; }\n")
	dark.WriteString(".chroma .gi { display: block; }\n")
	dark.WriteString(".chroma .gd { display: block; }\n")

	if err := os.WriteFile(filepath.Join(cssDir, "syntax_light.css"), []byte(light.String()), 0o644); err != nil {
		panic(err)
	}
	if err := os.WriteFile(filepath.Join(cssDir, "syntax_dark.css"), []byte(dark.String()), 0o644); err != nil {
		panic(err)
	}
}