package com.covas.Resources;

import java.nio.charset.StandardCharsets;
import java.time.LocalDateTime;
import java.util.List;
import java.util.UUID;
import java.util.ArrayList;
import java.util.Collection;


import javax.annotation.security.RolesAllowed;
import javax.inject.Inject;
import javax.transaction.Transactional;
import javax.ws.rs.core.SecurityContext;
import javax.ws.rs.Consumes;
import javax.ws.rs.CookieParam;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.PATCH;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import com.covas.Entity.EventEntity;
import com.covas.Entity.UsersEntity;

import io.quarkus.panache.common.Page;

import org.bson.types.ObjectId;
import org.eclipse.microprofile.jwt.Claims;
import org.eclipse.microprofile.jwt.JsonWebToken;
import org.jboss.logging.Logger;
import org.postgresql.shaded.com.ongres.scram.common.bouncycastle.base64.Base64;

@Produces(MediaType.APPLICATION_JSON)
@Path("event")
public class EventRessources {
    private static final Logger LOGGER = Logger.getLogger(UsersRessources.class);
    @Inject
    JsonWebToken jwt;

    /// Function
    private Boolean checkUserCookie(String userCookie, UsersEntity users) {
        if ((userCookie == null) || (users == null)) {
            return false;
        }
        String name = new String(Base64.decode(userCookie), StandardCharsets.UTF_8);
        if (!name.equals(users.pseudo) && (users.status != 1)) {
            return false;
        }
        return true;
    }

    private Response.Status getResponseCheck(SecurityContext ctx, String userCookie, UsersEntity users) {
        if (!ctx.getUserPrincipal().getName().equals(jwt.getName())) {
            return Response.Status.INTERNAL_SERVER_ERROR;
        }
        if (!checkUserCookie(userCookie, users)) {
            return Response.Status.FORBIDDEN;
        }
        return Response.Status.OK;
    }

    /// Appel HTTP


    /// GET
    @GET
    @RolesAllowed("Admin")
    public Response getEvents(@CookieParam("user") String userCookie, @Context SecurityContext ctx, 
    @QueryParam("page") Integer page, @QueryParam("nbPages") Integer nbPages, 
    @QueryParam("status") Short status,
    @QueryParam("search") String search, 
    @QueryParam("uuid") String uuid) {
        if(nbPages == null){
            nbPages = 20;
        }
        if(page == null){
            page = 0;
        }
        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
        UsersEntity user = UsersEntity.findById(kid);
        Response.Status statusHttp = getResponseCheck(ctx, userCookie, user);
        Response responseHttp = Response.status(statusHttp).build();
        if (statusHttp.equals(Response.Status.OK)) {
            List<EventEntity> listEvents = EventEntity.findAll().page(Page.of(page, nbPages)).list();

        
            responseHttp = Response.ok(listEvents).build();
            if(uuid != null){
                EventEntity eventSingle= EventEntity.findById(new ObjectId(uuid));
                responseHttp = Response.ok(eventSingle).build();
            }
          
            if(search != null){
                List<EventEntity> eventsList = EventEntity.find("name", search).page(Page.of(page, nbPages)).list();               
                responseHttp = Response.ok(eventsList).build();
            }
        }
        return responseHttp;
    }

    @GET
    @RolesAllowed("Admin")
    @Path("count")
    public Response getCount(@CookieParam("user") String userCookie, @Context SecurityContext ctx){
        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
        UsersEntity user = UsersEntity.findById(kid);
        Response.Status status = getResponseCheck(ctx, userCookie, user);
        Response responseHttp = Response.status(status).build();
        if (status.equals(Response.Status.OK)){
            responseHttp = Response.ok(EventEntity.count()).build();
        }
        return responseHttp;
    }

    @GET
    @RolesAllowed("Admin")
    @Path("{id}")
    public Response getSingleEvent(@PathParam("id") String id, @CookieParam("user") String userCookie,
            @Context SecurityContext ctx) {
        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
        UsersEntity user = UsersEntity.findById(kid);
        Response.Status status = getResponseCheck(ctx, userCookie, user);
        Response responseHttp = Response.status(status).build();
        if (status.equals(Response.Status.OK)) {
            EventEntity event = EventEntity.findById(new ObjectId(id));
            responseHttp = Response.status(Response.Status.NOT_FOUND).build();
            if (event != null) {
                responseHttp = Response.ok(event).build();
            }

        }
        return responseHttp;
    }

    
    // PUT
    @PUT
    @Consumes(MediaType.APPLICATION_JSON)
    @RolesAllowed({"Admin", "User"})
    @Path("{id}")
    @Transactional
    public Response createEvent(@Context SecurityContext ctx, @CookieParam("user") String userCookie, @PathParam("id") String id, EventEntity event) {

            UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
            UsersEntity user = UsersEntity.findById(kid);
            Response.Status status = getResponseCheck(ctx, userCookie, user);
            EventEntity newEvent = new EventEntity();
            if (status.equals(Response.Status.OK)) {
                newEvent.name = event.name;
                newEvent.address = event.address;
                newEvent.organisateurs = event.organisateurs;
                newEvent.created_at = LocalDateTime.now();
                newEvent.updated_at = LocalDateTime.now();
                newEvent.persist();
                status = Response.Status.CREATED;
                
            }            
        return Response.status(status).entity(newEvent).build();
    }


    // DELETE
    @DELETE
    @Path("{id}")
    @RolesAllowed({"Admin", "User"})
    @Transactional
    public Response changeStatusSingleEventToDelete(@Context SecurityContext ctx, @CookieParam("user") String userCookie,
            @PathParam("id") String id) {
        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
        UsersEntity user = UsersEntity.findById(kid);
        Response.Status status = getResponseCheck(ctx, userCookie, user);
        if (status.equals(Response.Status.OK)) {
            EventEntity singleEvent = EventEntity.find("id", new ObjectId(id)).firstResult();
            if (singleEvent == null) {
                status = Response.Status.NOT_FOUND;
            } else {
                singleEvent.status = -1;
                singleEvent.updated_at = LocalDateTime.now();
                singleEvent.deleted_at = LocalDateTime.now();
                singleEvent.persist();
            }
        }
        return Response.status(status).build();
    }

    @DELETE
    @Path("/disable/{id}")
    @RolesAllowed({"Admin", "User"})
    @Transactional
    public Response changeStatusSingleEventToDisable(@Context SecurityContext ctx, @CookieParam("user") String userCookie,
            @PathParam("id") String id) {
        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
        UsersEntity user = UsersEntity.findById(kid);
        Response.Status status = getResponseCheck(ctx, userCookie, user);
        if (status.equals(Response.Status.OK)) {
            EventEntity singleEvent = EventEntity.find("id", new ObjectId(id)).firstResult();
            if (singleEvent == null) {
                status = Response.Status.NOT_FOUND;
            } else {
                singleEvent.status = 0;
                singleEvent.updated_at = LocalDateTime.now();
                singleEvent.deleted_at = LocalDateTime.now();
                singleEvent.persist();
            }
        }
        return Response.status(status).build();
    }

    // PATCH
    @PATCH
    @RolesAllowed({"Admin", "User"})
    @Consumes(MediaType.APPLICATION_JSON)
    @Transactional
    @Path("{id}")
    public Response updateEvent(@Context SecurityContext ctx, @CookieParam("user") String userCookie,
    EventEntity event, @PathParam("id") String id) {
        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
        UsersEntity user = UsersEntity.findById(kid);
        Response.Status status = getResponseCheck(ctx, userCookie, user);

        if (status.equals(Response.Status.OK)) {

            EventEntity eventOrig = EventEntity.findById(new ObjectId(id));
            if (eventOrig == null) {
                status = Response.Status.NOT_FOUND;
            } else {
                eventOrig.name = event.name;
                
                
                eventOrig.updated_at = LocalDateTime.now();
                
                if(event.status == 1){
                    eventOrig.deleted_at = null;
                    eventOrig.status = 1;
                }
                eventOrig.persist();
                
            }
        }
        return Response.status(status).build();
    }



    @PATCH
    @RolesAllowed({"Admin", "User"})
    @Consumes(MediaType.APPLICATION_JSON)
    @Transactional
    @Path("enable/{id}")
    public Response enableEvent(@Context SecurityContext ctx, @CookieParam("user") String userCookie, @PathParam("id") String id) {
        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
        UsersEntity user = UsersEntity.findById(kid);
        Response.Status status = getResponseCheck(ctx, userCookie, user);
        if (status.equals(Response.Status.OK)) {

            EventEntity eventOrig = EventEntity.findById(new ObjectId(id));
            if (eventOrig == null) {
                status = Response.Status.NOT_FOUND;
            } else {
                eventOrig.status = 1;
                eventOrig.persist();
            }
        }
        return Response.status(status).build();
    }
}