package de.ph87.homeautomation.property;

import de.ph87.homeautomation.channel.ChannelService;
import de.ph87.homeautomation.shared.ISearchController;
import de.ph87.homeautomation.shared.SearchResult;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("property")
@RequiredArgsConstructor
public class PropertyController implements ISearchController {

  private final PropertyWriteService propertyWriteService;

  private final PropertyReader propertyReader;

  private final ChannelService channelService;

  @GetMapping("create")
  public PropertyDto create() {
    return propertyWriteService.create();
  }

  @GetMapping("findAll")
  public List<PropertyDto> findAll() {
    return propertyReader.findAllDto();
  }

  @PostMapping("set/{id}/type")
  public PropertyDto setPropertyType(@PathVariable final long id, @RequestBody final String propertyType) {
    return propertyWriteService.set(id, Property::setType, PropertyType.valueOf(propertyType));
  }

  @PostMapping("set/{id}/title")
  public PropertyDto setPropertyTitle(@PathVariable final long id, @RequestBody final String propertyTitle) {
    return propertyWriteService.set(id, Property::setTitle, propertyTitle);
  }

  @PostMapping("set/{id}/value")
  public PropertyDto setValue(@PathVariable final long id, @RequestBody final double value) {
    return propertyWriteService.set(id, propertyWriteService::writeToChannel, value);
  }

  @PostMapping("set/{id}/readChannel")
  public PropertyDto setReadChannel(@PathVariable final long id, @RequestBody(required = false) final Long channelId) {
    return propertyWriteService.set(id, (p, v) -> p.setReadChannel(channelId == null ? null : channelService.getById(v)), channelId);
  }

  @PostMapping("set/{id}/writeChannel")
  public PropertyDto setWriteChannel(@PathVariable final long id, @RequestBody(required = false) final Long channelId) {
    return propertyWriteService.set(id, (p, v) -> p.setWriteChannel(channelId == null ? null : channelService.getById(v)), channelId);
  }

  @DeleteMapping("{id}")
  public void delete(@PathVariable final long id) {
    propertyWriteService.delete(id);
  }

  @PostMapping("toggle/{id}")
  public PropertyDto setValue(@PathVariable final long id) {
    final boolean oldState = getOldStateBoolean(id, false);
    return propertyWriteService.set(id, propertyWriteService::writeToChannel, oldState ? 0.0 : 1.0);
  }

  private boolean getOldStateBoolean(final long id, final boolean orElse) {
    final Double oldValue = propertyReader.getDtoById(id).getValue();
    if (oldValue == null || oldValue.isNaN()) {
      return orElse;
    }
    return oldValue > 0.0;
  }

  @Override
  @GetMapping("searchById/{id}")
  public SearchResult searchById(@PathVariable final long id) {
    return toSearchResult(propertyReader.getDtoById(id));
  }

  @Override
  @PostMapping("searchLike")
  public List<SearchResult> searchLike(@RequestBody final String term) {
    return propertyReader.findAllDtoLike("%" + term + "%").stream().map(this::toSearchResult).collect(Collectors.toList());
  }

  private SearchResult toSearchResult(final PropertyDto propertyDto) {
    return new SearchResult(propertyDto.getId(), propertyDto.getTitle());
  }

}