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package io.higgs.http.server.demo;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Function;
import io.higgs.core.ResourcePath;
import io.higgs.core.method;
import io.higgs.http.server.HttpRequest;
import io.higgs.http.server.HttpResponse;
import io.higgs.http.server.HttpStatus;
import io.higgs.http.server.MessagePusher;
import io.higgs.http.server.WebApplicationException;
import io.higgs.http.server.params.CookieParam;
import io.higgs.http.server.params.FormFiles;
import io.higgs.http.server.params.FormParam;
import io.higgs.http.server.params.FormParams;
import io.higgs.http.server.params.HeaderParam;
import io.higgs.http.server.params.HttpCookie;
import io.higgs.http.server.params.HttpCookies;
import io.higgs.http.server.params.HttpSession;
import io.higgs.http.server.params.PathParam;
import io.higgs.http.server.params.QueryParam;
import io.higgs.http.server.params.QueryParams;
import io.higgs.http.server.params.RequiredParam;
import io.higgs.http.server.params.SessionParam;
import io.higgs.http.server.params.ValidationResult;
import io.higgs.http.server.params.valid;
import io.higgs.http.server.resource.GET;
import io.higgs.http.server.resource.MediaType;
import io.higgs.http.server.resource.POST;
import io.higgs.http.server.resource.Produces;
import io.higgs.http.server.resource.template;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Courtney Robinson 
 */
@method("/api")
@Produces({ MediaType.TEXT_HTML })
public class Api {
    String a = "a";
    int b = 023343;
    long c = 999999999;
    double d = Math.random();
    static int count;

    @GET
    @method
    public String index(HttpSession session) {
        System.out.println("index");
        session.put("index-" + Math.random(), Math.random());
        return "yes index";
    }

    //value uses the JAX-RS format http://jersey.java.net/nonav/documentation/latest/user-guide.html#d4e104
    //template is the name of the HTML template to use, if no template is provided then another resource
    //transformer is used on the response, if no transformer can convert the response a Not Acceptable status
    // is returned
    @method("test/{string:[a-z0-9]+}/{num:[0-9]+}")
    @template(fragments = { "header", "api", "footer" }, value = "")
    @GET
    @POST
    public Object test(
            //inject these named parameters
            //for cookies, values can be a cookie String or a HttpCookie
            @CookieParam(HttpRequest.SID) String sessionid, //gets HttpCookie.getValue()
            @CookieParam(HttpRequest.SID) HttpCookie sessionidAsCookie, //gets HttpCookie
            //will be null in get requests, it will be marked as in valid since it will be null
            @valid @FormParam("textline") String text,
            @valid @FormParam("text2") RequiredParam text2,
            @HeaderParam("Connection") String keepAlive,
            @PathParam("string") String random,
            //if a primitive number such as int,double,float etc is not found it'll be 0
            @PathParam("num") int integer,
            @PathParam("num-doesn't-exist") int integerPrimitive,
            //if boxed Number such as Integer,Double,Float etc is not found then value will be null
            @PathParam("some-random-name") Integer randomInt,
            @QueryParam("a") String a,
            @valid @SessionParam("user_id") String user_id,
            //all these unnamed parameters can be injected and should never be null
            HttpRequest request, HttpResponse response, FormFiles files,
            FormParams form, HttpCookies cookies,
            QueryParams query, HttpSession session,
            ResourcePath path, MessagePusher pusher,
            ValidationResult validation
    ) throws JsonProcessingException {
        assert request != null;
        assert files != null;
        assert form != null;
        assert cookies != null;
        assert query != null;
        assert session != null;
        assert path != null;
        assert validation.isValid();
        assert text2.isValid();
        assert text2.getValue() == null;
        session.put("api-" + count, Math.random());
        count += 1;
        System.out.println("test:" + count);
        //set something in the session
        session.put("count", count);
        response.setCookie("api-cookie", String.valueOf(true));
        return new ObjectMapper().writeValueAsString(this);
    }

    @method(value = "json")
    @Produces(MediaType.APPLICATION_JSON)
    @GET
    public Map json(HttpRequest request) {
        Map map = new HashMap<>();
        for (int i = 0; i < 1000; i++) {
            map.put(i, Math.random());
        }
        return map;
    }

    @method("boom")
    @GET
    public Object boom2() {
        //you can, and SHOULD return WebApplicationException
        //if a wae is returned wae.setRequest() is automatically called
        return new WebApplicationException(HttpStatus.NOT_IMPLEMENTED, "error/default");
    }

    @method("manual")
    @GET
    public Object manual() {
        //if a Function is returned then we must write the response manual
        return new Function() {
            public Object apply(Object o) {
                // message.channel.write(new HttpResponse(HttpStatus.FOUND));
                //close as soon as its written
                // message.channel.closeFuture().addListener(ChannelFutureListener.CLOSE);
                return null;
            }
        };
    }

    public String getA() {
        return a;
    }

    public int getCount() {
        return count;
    }

    public int getB() {
        return b;
    }

    public long getC() {
        return c;
    }

    public double getD() {
        return d;
    }
}