package at.eisibaer.jbear2.service

import at.eisibaer.jbear2.dto.board.BoardDto
import at.eisibaer.jbear2.model.Board
import at.eisibaer.jbear2.model.User
import at.eisibaer.jbear2.repository.BoardRepository
import at.eisibaer.jbear2.repository.FileRepository
import at.eisibaer.jbear2.repository.UserRepository
import at.eisibaer.jbear2.service.mapper.BoardMapper
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import org.springframework.http.ResponseEntity
import org.springframework.stereotype.Service
import org.springframework.transaction.annotation.Transactional

@Service
class BoardServiceImpl (
    private val boardRepository: BoardRepository,
    private val userRepository: UserRepository,
    private val fileRepository: FileRepository,
    private val boardMapper: BoardMapper,
) : BoardService {

    val log: Logger = LoggerFactory.getLogger(BoardServiceImpl::class.java);

    @Transactional
    override fun getBoardsByUser(user: User): ResponseEntity<List<BoardDto>?> {
        val boards =  boardRepository.findAllByOwner(user)
        return ResponseEntity.ok(boardMapper.toDto(boards));

    }

    @Transactional
    override fun getBoardByUserAndId(user: User, boardId: Long): ResponseEntity<BoardDto?> {
        val board = boardRepository.findByIdAndOwner(boardId, user) ?: return ResponseEntity.status(404).build();

        return ResponseEntity.ok(boardMapper.toDto(board))
    }

    @Transactional
    override fun saveBoardToUser( user: User, boardDto: BoardDto): ResponseEntity<BoardDto> {
        val board: Board = boardMapper.toEntity(boardDto, user, userRepository, fileRepository);

        val savedBoard: Board;
        try {
            savedBoard = boardRepository.save(board);
        } catch (ex: Exception) {
            log.error(ex.message, ex);
            return ResponseEntity.badRequest().build();
        }

        return ResponseEntity.ok(boardMapper.toDto(savedBoard))
    }

    override fun deleteBoardOfUser(user: User, boardId: Long): ResponseEntity<Unit> {
        boardRepository.deleteById( boardId );

        //TODO Delete Images

        return ResponseEntity.ok().build();
    }
}