package vote

import (
	"encoding/json"
	"log"
	"net/http"

	"tomatentum.net/outfit-voting-abi26/internal/auth"
	"tomatentum.net/outfit-voting-abi26/internal/database"
)

type StateChangeRequest struct {
	Value bool
}

func SetVoteLockedEndpoint(w http.ResponseWriter, r *http.Request) {
	var request StateChangeRequest
	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}
	r.Body.Close()

	if err := database.SetVoteLocked(request.Value); err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	log.Printf("Updated Vote Lock state to %t\n", request.Value)

	w.WriteHeader(http.StatusOK)
}

func SetResultLockedEndpoint(w http.ResponseWriter, r *http.Request) {
	var request StateChangeRequest
	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}
	r.Body.Close()

	if err := database.SetResultLocked(request.Value); err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	log.Printf("Updated Result Lock state to %t\n", request.Value)

	w.WriteHeader(http.StatusOK)
}

func VoteLockedEndpoint(w http.ResponseWriter, r *http.Request) {
	locked, err := database.GetVoteLocked()

	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	w.Header().Add("Content-Type", "application/json")
	json.NewEncoder(w).Encode(locked)
}

func ResultLockedEndpoint(w http.ResponseWriter, r *http.Request) {
	locked, err := database.GetResultLocked()

	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	w.Header().Add("Content-Type", "application/json")
	json.NewEncoder(w).Encode(locked)
}

func VoteLockMiddleware(next http.HandlerFunc) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		ok, err := auth.IsAuth(r)
		if ok {
			next.ServeHTTP(w, r)
			return
		}
		log.Println("DEBUG: User not authenticated so vote lock is not bypassed", err)

		locked, err := database.GetVoteLocked()

		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}

		if locked {
			w.WriteHeader(http.StatusLocked)
			w.Write([]byte("Vote currently locked!"))
			return
		}
		next.ServeHTTP(w, r)
	})
}

func ResultLockMiddleware(next http.HandlerFunc) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		ok, err := auth.IsAuth(r)
		if ok {
			next.ServeHTTP(w, r)
			return
		}
		log.Println("DEBUG: User not authenticated so result lock is not bypassed", err)

		locked, err := database.GetResultLocked()

		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}

		if locked {
			w.WriteHeader(http.StatusLocked)
			w.Write([]byte("Results currently locked!"))
			return
		}
		next.ServeHTTP(w, r)
	})
}