package de.gedoplan.seminar.jpa.exercise.rest;

import java.util.List;
import java.util.Optional;

import org.apache.commons.logging.Log;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.ApplicationArguments;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.server.ResponseStatusException;

import de.gedoplan.seminar.jpa.exercise.domain.Highway;
import de.gedoplan.seminar.jpa.exercise.repository.HighwayRepository;


@RequestMapping(path = "exercise/highways", produces = MediaType.APPLICATION_JSON_VALUE)
public class HighwayResource {

  // Some test data
  private Highway testHighwayA1_DO_K = new Highway(4610, "A1", "Dortmund", "Cologne");
  private Highway testHighwayA2_DO_H = new Highway(4711, "A2", "Dortmund", "Hannover");
  private Highway testHighwayA33_BI_PB = new Highway(4812, "A33", "Bielefeld", "Paderborn");

  private List<Highway> testHighways = List.of(this.testHighwayA1_DO_K, this.testHighwayA2_DO_H, this.testHighwayA33_BI_PB );

  private final HighwayRepository highwayRepository;
  private final Logger logger;

  public HighwayResource(HighwayRepository highwayRepository, Logger logger) {
	super();
	this.highwayRepository = highwayRepository;
	this.logger = logger;
}

/**
   * Exercise JPA_BASICS_01: Insert test data.
   */
  @PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE)
  public void insert(@RequestBody Highway highway) {
    this.logger.debug("----- insert -----");
    
    // this.highwayRepository.

    this.logger.debug("Inserted: " + testHighways);
  }

  /**
   * Exercise JPA_BASICS_01: Find entries by id.
   */
  @GetMapping("/{ID}")
  public Highway findById(@PathVariable("ID") Integer id) {
    this.logger.debug("----- findById -----");
    Optional<Highway> highway = Optional.empty();//this.highwayRepository.
    highway.ifPresent(h -> this.logger.debug(id+": "+h));
    return highway.orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND));
    
  }

  /**
   * Exercise JPA_BASICS_03: Find entries by origin.
   */
  @GetMapping("findByOrigin")
  public Highway findByOrigin(@RequestParam(name = "origin") String origin) {
    this.logger.debug("----- findByOrigin -----");

    Optional<Highway> highway = Optional.empty();//this.highwayRepository.
    highway.ifPresent(h -> this.logger.debug(origin+": "+h));
    return highway.orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND));
  }

}