/*
 * SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
 * SPDX-License-Identifier: AGPL-3.0-only
 */

package app

import (
	"net/http"

	"dev.tandem.ws/tandem/camper/pkg/auth"
	"dev.tandem.ws/tandem/camper/pkg/campsite"
	"dev.tandem.ws/tandem/camper/pkg/database"
	"dev.tandem.ws/tandem/camper/pkg/home"
	httplib "dev.tandem.ws/tandem/camper/pkg/http"
	"dev.tandem.ws/tandem/camper/pkg/services"
	"dev.tandem.ws/tandem/camper/pkg/template"
)

type publicHandler struct {
	home     *home.PublicHandler
	campsite *campsite.PublicHandler
	services *services.PublicHandler
}

func newPublicHandler() *publicHandler {
	return &publicHandler{
		home:     home.NewPublicHandler(),
		campsite: campsite.NewPublicHandler(),
		services: services.NewPublicHandler(),
	}
}

func (h *publicHandler) Handler(user *auth.User, company *auth.Company, conn *database.Conn) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		var head string
		head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
		switch head {
		case "":
			h.home.Handler(user, company, conn).ServeHTTP(w, r)
		case "campground":
			campgroundHandler(user, company, conn).ServeHTTP(w, r)
		case "campsites":
			h.campsite.Handler(user, company, conn).ServeHTTP(w, r)
		case "contact":
			contactHandler(user, company, conn).ServeHTTP(w, r)
		case "services":
			h.services.Handler(user, company, conn).ServeHTTP(w, r)
		case "surroundings":
			surroundingsHandler(user, company, conn).ServeHTTP(w, r)
		default:
			http.NotFound(w, r)
		}
	})
}

func surroundingsHandler(user *auth.User, company *auth.Company, conn *database.Conn) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		var head string
		head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
		switch head {
		case "":
			switch r.Method {
			case http.MethodGet:
				page := template.NewPublicPage()
				page.Setup(r, user, company, conn)
				template.MustRenderPublic(w, r, user, company, "surroundings.gohtml", page)
			default:
				httplib.MethodNotAllowed(w, r, http.MethodGet)
			}
		default:
			http.NotFound(w, r)
		}
	})
}

func campgroundHandler(user *auth.User, company *auth.Company, conn *database.Conn) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		var head string
		head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
		switch head {
		case "":
			switch r.Method {
			case http.MethodGet:
				page := template.NewPublicPage()
				page.Setup(r, user, company, conn)
				template.MustRenderPublicFiles(w, r, user, company, page, "campground.gohtml", "web/templates/campground_map.svg")
			default:
				httplib.MethodNotAllowed(w, r, http.MethodGet)
			}
		default:
			http.NotFound(w, r)
		}
	})
}

func contactHandler(user *auth.User, company *auth.Company, conn *database.Conn) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		var head string
		head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
		switch head {
		case "":
			switch r.Method {
			case http.MethodGet:
				page := newContactPage()
				page.MustRender(w, r, user, company, conn)
			default:
				httplib.MethodNotAllowed(w, r, http.MethodGet)
			}
		default:
			http.NotFound(w, r)
		}
	})
}

type contactPage struct {
	*template.PublicPage
	CompanyGeography *geographyPoint
}

func newContactPage() *contactPage {
	page := &contactPage{
		PublicPage: template.NewPublicPage(),
	}
	return page
}

func (p *contactPage) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
	p.Setup(r, user, company, conn)
	row := conn.QueryRow(r.Context(), `select st_x(geog::geometry)::text, st_y(geog::geometry)::text from company_geography where company_id = $1`, company.ID)
	geography := &geographyPoint{}
	if err := row.Scan(&geography.Lng, &geography.Lat); err != nil {
		if !database.ErrorIsNotFound(err) {
			panic(err)
		}
	} else {
		p.CompanyGeography = geography
	}
	template.MustRenderPublic(w, r, user, company, "contact.gohtml", p)
}

type geographyPoint struct {
	Lat string
	Lng string
}