package handler

import (
	"me-fit/service"
	"me-fit/template"
	"me-fit/types"
	"me-fit/utils"

	"database/sql"
	"net/http"

	"github.com/a-h/templ"
)

type IndexHandler interface {
	handle(router *http.ServeMux)
}

type IndexHandlerImpl struct {
	db             *sql.DB
	service        service.AuthService
	serverSettings *types.ServerSettings
}

func NewIndexHandler(db *sql.DB, service service.AuthService, serverSettings *types.ServerSettings) IndexHandler {
	return IndexHandlerImpl{
		db:             db,
		service:        service,
		serverSettings: serverSettings,
	}
}

func (handler IndexHandlerImpl) handle(router *http.ServeMux) {
	router.Handle("/", handler.handleIndexAnd404())
}

func (handler IndexHandlerImpl) handleIndexAnd404() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		user, _ := handler.service.GetUserFromSessionId(utils.GetSessionID(r))

		var comp templ.Component = nil
		userComp := service.UserInfoComp(user)

		if r.URL.Path != "/" {
			comp = template.Layout(template.NotFound(), userComp, handler.serverSettings.Environment)
			w.WriteHeader(http.StatusNotFound)
		} else {
			comp = template.Layout(template.Index(), userComp, handler.serverSettings.Environment)
		}

		err := comp.Render(r.Context(), w)
		if err != nil {
			utils.LogError("Failed to render index", err)
			http.Error(w, "Failed to render index", http.StatusInternalServerError)
		}
	}
}