package ersteller_lib

import (
	"maragu.dev/gomponents"
	htmx "maragu.dev/gomponents-htmx"
	"net/http"
)

type HtmxContext interface {
	Render(node gomponents.Node)
	GetLanguage() Language
}

type HtmxContextImpl struct {
	req *http.Request
	res http.ResponseWriter
}

func (c *HtmxContextImpl) GetLanguage() Language {
	return En
}

func NewHtmxContext(req *http.Request, res http.ResponseWriter) HtmxContext {
	return &HtmxContextImpl{req: req, res: res}
}

func (c *HtmxContextImpl) Render(node gomponents.Node) {
	err := node.Render(w.res)
	if err != nil {
		Error("failed to render", err)
		_, writeErr := w.res.Write([]byte(err.Error()))
		if writeErr != nil {
			Error("failed to write error", writeErr)
		}
		w.res.WriteHeader(500)
	}
}

type HtmxRouteFunc func(ctx HtmxContext)

type HtmxPathParam struct {
	Key   string
	Value string
}

type HtmxRoute interface {
	WithPathParams(params ...HtmxPathParam) HtmxRoute
	ToUrl(queryParams ...HtmxPathParam) string
	GetHtmx(queryParams ...HtmxPathParam) gomponents.Node
}

type HtmxGetRoute struct {
	Path       string
	RouteFunc  HtmxRouteFunc
	PathParams []HtmxPathParam
}

func NewHtmxGetRoute(path string, routeFunc HtmxRouteFunc) *HtmxGetRoute {
	return &HtmxGetRoute{Path: path, RouteFunc: routeFunc}
}

func (h HtmxGetRoute) Add(server *http.ServeMux) {
	server.HandleFunc("GET "+h.Path, func(res http.ResponseWriter, req *http.Request) {
		h.RouteFunc(NewHtmxContext(req, res))
	})
}

func (h HtmxGetRoute) WithPathParams(params ...HtmxPathParam) HtmxRoute {
	h.PathParams = params
	return h
}

func (h HtmxGetRoute) ToUrl(queryParams ...HtmxPathParam) string {
	return h.Path
}

func (h HtmxGetRoute) GetHtmx(queryParams ...HtmxPathParam) gomponents.Node {
	return htmx.Get(h.ToUrl(queryParams...))
}