package server

import (
	"fmt"
	"gitea.inhome.blapointe.com/local/gziphttp"
	"gitea.inhome.blapointe.com/local/notes-server/config"
	"gitea.inhome.blapointe.com/local/router"
	"net/http"
	"path/filepath"
	"strings"
)

func (s *Server) Routes() error {
	wildcard := router.Wildcard
	endpoints := map[string]struct {
		handler http.HandlerFunc
	}{
		"/": {
			handler: s.root,
		},
		fmt.Sprintf("raw/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.raw)),
		},
		fmt.Sprintf("notes/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.notes)),
		},
		fmt.Sprintf("edit/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.edit)),
		},
		fmt.Sprintf("delete/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.delete)),
		},
		fmt.Sprintf("submit/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.submit)),
		},
		fmt.Sprintf("create/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.create)),
		},
		fmt.Sprintf("attach/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.attach)),
		},
		fmt.Sprintf("comment/%s%s", wildcard, wildcard): {
			handler: s.gzip(s.authenticate(s.comment)),
		},
		fmt.Sprintf("search"): {
			handler: s.gzip(s.authenticate(s.search)),
		},
	}

	for path, endpoint := range endpoints {
		if config.ReadOnly {
			for _, prefix := range []string{
				"edit/",
				"delete/",
				"create/",
				"submit/",
				"attach/",
			} {
				if strings.HasPrefix(path, prefix) {
					endpoint.handler = http.NotFound
				}
			}
		}
		if err := s.Add(path, endpoint.handler); err != nil {
			return err
		}
	}
	return nil
}

func (s *Server) root(w http.ResponseWriter, r *http.Request) {
	r.URL.Path = "/notes"
	http.Redirect(w, r, r.URL.String(), http.StatusPermanentRedirect)
}

func (s *Server) gzip(h http.HandlerFunc) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		if gziphttp.Can(r) {
			gz := gziphttp.New(w)
			defer gz.Close()
			w = gz
		}
		if filepath.Ext(r.URL.Path) == ".css" {
			w.Header().Set("Content-Type", "text/css; charset=utf-8")
		}
		h(w, r)
	}
}