package server

import (
	"embed"
	"html/template"
	"net/http"

	"gorm.io/gorm"
)

type Server struct {
	tmpl   map[string]*template.Template
	db     *gorm.DB
	routes map[string]route
	http.Handler
}

type route struct {
	function      fetcher
	template      string
	templateEntry string
}

//go:embed static/*
var static embed.FS

func (h *Server) loadHandler() {
	mux := http.NewServeMux()

	for i, e := range h.routes {
		mux.HandleFunc(i, h.render(e.function, e.template, e.templateEntry))
	}

	mux.HandleFunc("GET /", h.redirect("/orders", http.StatusSeeOther))

	fs := http.FileServerFS(static)
	mux.Handle("GET /static/", fs)

	h.Handler = mux
}

func New(db *gorm.DB) *Server {
	server := Server{
		db: db,
	}

	server.routes = map[string]route{
		"GET /order/":         {server.order, "order", "layout"},
		"GET /orders":         {server.orders, "orders", "layout"},
		"GET /orders/search/": {server.ordersSearch, "orders", "orders-table"},
		"GET /cake/":          {server.cake, "cake", "layout"},
		"GET /cakes":          {server.cakes, "cakes", "layout"},
		"POST /order/":        {server.postOrder, "confirmation", "layout"},
		"POST /cake/":         {server.postCake, "confirmation", "layout"},
	}

	server.loadTemplates()

	server.loadHandler()

	return &server
}