package server

import (
	"fmt"
	"log"
	"net/http"
	"strconv"

	"gitea.teamortix.com/team-ortix/coverage/pill"
	"github.com/gorilla/mux"
)

func StartServer(port string) {
	r := mux.NewRouter()
	r.HandleFunc("/badge/{percentage}", handleBadge)

	r.HandleFunc("/redirect", handleRedirect)
	r.Handle("/report/branch/{namespace}/{project}/{branch}", AuthorizationMiddleware(handleBranchReport))
	r.Handle("/report/pulls/{namespace}/{project}/{pull}", AuthorizationMiddleware(handlePullReport))
	r.HandleFunc("/badge/branch/{namespace}/{project}/{branch}", handleBadgeBranch)
	r.HandleFunc("/badge/pulls/{namespace}/{project}/{pull}", handlePullBadge)

	r.HandleFunc("/upload/branch/{namespace}/{project}/{branch}", uploadBranch)
	r.HandleFunc("/upload/pulls/{namespace}/{project}/{pull}", uploadPull)

	portStr := fmt.Sprintf(":%s", port)
	err := http.ListenAndServe(portStr, r)
	if err != nil {
		log.Fatalf("could not start server: %v", err)
	}
}

func handleBadge(w http.ResponseWriter, r *http.Request) {
	percentString, ok := mux.Vars(r)["percentage"]
	if !ok {
		http.Error(w, "could not find percentage in path", http.StatusBadRequest)
		return
	}

	percent, err := strconv.ParseFloat(percentString, 64)
	var p pill.Pill
	if err != nil {
		p = pill.UnknownPill()
	} else {
		p = pill.NewPill(percent / 100)
	}

	w.Header().Set("Content-Type", "image/svg+xml")
	err = p.Execute(w)
	if err != nil {
		http.Error(w, fmt.Sprintf("could not write pill: %v", err), http.StatusInternalServerError)
		return
	}
}

func getAllParams(w http.ResponseWriter, r *http.Request, thirdParam string) ([3]string, bool) {
	vars := mux.Vars(r)
	namespace, ok := vars["namespace"]
	if !ok {
		http.Error(w, "Path 'namespace' not found", http.StatusBadRequest)
		return [3]string{}, false
	}

	project, ok := vars["project"]
	if !ok {
		http.Error(w, "Path 'project' not found", http.StatusBadRequest)
		return [3]string{}, false
	}

	third, ok := vars[thirdParam]
	if !ok {
		http.Error(w, fmt.Sprintf("Path '%s' not found", thirdParam), http.StatusBadRequest)
		return [3]string{}, false
	}

	return [3]string{namespace, project, third}, true
}