package layouts

import (
	"context"
	"io"
	"log/slog"
	"net/http"

	"git.schreifuchs.ch/schreifuchs/schreifuchs.ch/internal/pkg/config"
	"git.schreifuchs.ch/schreifuchs/schreifuchs.ch/internal/pkg/templer"
	"github.com/a-h/templ"
)

type Layouts struct {
	cfg config.Cfg
}

func New(cfg config.Cfg) *Layouts {
	return &Layouts{
		cfg: cfg,
	}
}

// RenderPage renders a page. If the query paramenter HX-Request is set
// the component gets rendered without the layout
func (l *Layouts) RenderPage(ctx context.Context, w io.Writer, r *http.Request, component templ.Component) {
	title := templer.GetTitle(ctx, "Schreifuchs")

	slog.Debug("HX-Request", "value", r.Header.Get("HX-Request"))
	if r.Header.Get("HX-Request") != "true" {
		ctx = templ.WithChildren(ctx, component)
		component = Base(l.cfg, title)
	} else {
		ctx = templ.WithChildren(ctx, component)
		component = Page(l.cfg, title)
	}

	if err := component.Render(ctx, w); err != nil {
		slog.Error("error while rendering component", "err", err, "ctx", ctx)
	}
}

// RenderComponent renders a component alone.
func (l *Layouts) RenderComponent(ctx context.Context, w io.Writer, r *http.Request, component templ.Component) {
	ctx = templ.WithChildren(ctx, component)
	component = Component()

	if err := component.Render(ctx, w); err != nil {
		slog.Error("error while rendering component", "err", err, "ctx", ctx)
	}
}