package de.gedoplan.seminar.jpa.exercise;

import static org.junit.jupiter.params.provider.Arguments.arguments;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

import java.util.stream.Stream;

import org.hamcrest.MatcherAssert;
import org.junit.jupiter.api.MethodOrderer;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.test.web.servlet.MockMvc;

import com.fasterxml.jackson.databind.ObjectMapper;

import de.gedoplan.seminar.jpa.exercise.domain.Highway;
import de.gedoplan.seminar.jpa.exercise.domain.Junction;

@TestMethodOrder(MethodOrderer.MethodName.class)
@AutoConfigureMockMvc
@SpringBootTest
public class Exercise04Test {

	@Autowired
	MockMvc mockMvc;
	
	@Autowired
	private ObjectMapper objectMapper;

	@Test
	void test01_joinJunctionsToHighways() throws Exception {

	    /*
	     * Read highways and junctions from the database and associate them.
	     * Do not use the objects from TestData directly, because they are transient!
	     */

	    /*
	     * Connect highway 4610 with junctions "Schwerte", "Westhofener Kreuz" and "Hagen-Nord"
	     */
	    Highway highwayA1_DO_K = loadHighway(4610);

	    Junction junctionSchwerte = loadJunction("Schwerte");
//	    highwayA1_DO_K.getJunctions().add(junctionSchwerte);
//	    junctionSchwerte.setHighway(highwayA1_DO_K);

	    Junction junctionWesthofen = loadJunction("Westhofener Kreuz");
//	    highwayA1_DO_K.getJunctions().add(junctionWesthofen);
//	    junctionWesthofen.setHighway(highwayA1_DO_K);

	    Junction junctionHagenNord = loadJunction("Hagen-Nord");
//	    highwayA1_DO_K.getJunctions().add(junctionHagenNord);
//	    junctionHagenNord.setHighway(highwayA1_DO_K);

	    updateJunctions(junctionSchwerte,junctionWesthofen,junctionHagenNord);
	    
	    /*
	     * Connect highway 4711 with junctions "Bielefeld-Ost", "Ostwestfalen/Lippe" and "Herford/Bad Salzuflen"
	     */
	    Highway highwayA2_DO_H = loadHighway(4711);

	    Junction junctionBielefeldOst = loadJunction("Bielefeld-Ost");
//	    highwayA2_DO_H.getJunctions().add(junctionBielefeldOst);
//	    junctionBielefeldOst.setHighway(highwayA2_DO_H);

	    Junction junctionOWL = loadJunction("Ostwestfalen/Lippe");
//	    highwayA2_DO_H.getJunctions().add(junctionOWL);
//	    junctionOWL.setHighway(highwayA2_DO_H);

	    Junction junctionSennestadt = loadJunction("Herford/Bad Salzuflen");
//	    highwayA2_DO_H.getJunctions().add(junctionSennestadt);
//	    junctionSennestadt.setHighway(highwayA2_DO_H);
	    
	    updateJunctions(junctionBielefeldOst,junctionOWL,junctionSennestadt);

	    /*
	     * Connect highway 4812 with junction "Paderborn-Zentrum"
	     */
	    Highway highwayA33_BI_PB = loadHighway(4812);

	    Junction junctionStukenbrock = loadJunction("Paderborn-Zentrum");
//	    highwayA33_BI_PB.getJunctions().add(junctionStukenbrock);
//	    junctionStukenbrock.setHighway(highwayA33_BI_PB);
	    
	    updateJunctions(junctionStukenbrock);
	   
	}
	
	@ParameterizedTest
	@MethodSource("getTestData")
	void test2_findById(String junctionName, String highwayName) throws Exception {
		mockMvc.perform(get("/junctions/loadByName").param("name", junctionName))
				.andExpect(jsonPath("$.highway.name").value(highwayName));
	}
	
	
	private void updateJunctions(Junction... junctions) {
		Stream.of(junctions).forEach(junction ->
			{
				try {
					mockMvc.perform(
						post("/junctions").contentType(MediaType.APPLICATION_JSON).content(objectMapper.writeValueAsString(junction)))
						.andExpect(status().isOk());
				} catch (Exception e) {
					throw new RuntimeException(e);
				}
			});
	}
	
	private Highway loadHighway(Integer id) throws Exception {
		return objectMapper.readValue(mockMvc.perform(get("/highways/{id}", id)).andExpect(status().isOk())
				.andReturn().getResponse().getContentAsString(), Highway.class);
	}
	
	private Junction loadJunction(String name) throws Exception {
		return objectMapper.readValue(mockMvc.perform(get("/junctions/loadByName").param("name", name)).andExpect(status().isOk())
				.andReturn().getResponse().getContentAsString(), Junction.class);
	}
	
	private static Stream<Arguments> getTestData() {
		return Stream.of(
				arguments("Schwerte","A2"),
				arguments("Westhofener Kreuz", "A1"),
				arguments("Hagen-Nord", "A1"),
				arguments("Bielefeld-Ost", "A2"),
				arguments("Ostwestfalen/Lippe", "A2"),
				arguments("Herford/Bad Salzuflen", "A2"),
				arguments("Paderborn-Zentrum", "A33"));
	}
}