package nl.connectedit.swiss.controller;

import jakarta.annotation.security.RolesAllowed;
import jakarta.transaction.Transactional;
import lombok.RequiredArgsConstructor;
import nl.connectedit.swiss.auth.Roles;
import nl.connectedit.swiss.domain.TournamentStatus;
import nl.connectedit.swiss.domain.entity.Tournament;
import nl.connectedit.swiss.dto.ResultDto;
import nl.connectedit.swiss.dto.TournamentDto;
import nl.connectedit.swiss.dto.TournamentPlayerSubstitutionDto;
import nl.connectedit.swiss.dto.TournamentValidationDto;
import nl.connectedit.swiss.mapper.TournamentMapper;
import nl.connectedit.swiss.mapper.TournamentValidationMapper;
import nl.connectedit.swiss.service.*;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.time.format.DateTimeParseException;
import java.util.List;
import java.util.Objects;

@RestController
@CrossOrigin
@RolesAllowed(Roles.USER)
@RequiredArgsConstructor
public class TournamentController {

    private final TournamentService tournamentService;

    private final TournamentMapper tournamentMapper;

    private final TournamentValidationService tournamentValidationService;

    private final TournamentValidationMapper tournamentValidationMapper;

    private final TournamentDivideService tournamentDivideService;

    private final TournamentDrawService tournamentDrawService;

    private final TournamentPlayService tournamentPlayService;

    @GetMapping("/tournaments")
    public ResponseEntity<List<TournamentDto>> getTournaments(@RequestParam(value = "status", required = false) TournamentStatus status) {
        List<Tournament> tournaments;

        if (Objects.nonNull(status)) {
            tournaments = tournamentService.findAllTournamentsWithStatus(status);
        } else {
            tournaments = tournamentService.findAllTournaments();
        }

        return ResponseEntity.ok(tournaments
            .stream()
            .map(tournamentMapper::toDto)
            .toList());
    }

    @GetMapping("/tournaments/{id}")
    @Transactional
    public ResponseEntity<TournamentDto> getTournament(@PathVariable Long id) {
        var tournament = tournamentService.findTournamentById(id);

        if (tournament == null) {
            return ResponseEntity.notFound().build();
        }

        return ResponseEntity.ok(tournamentMapper.toDto(tournament));
    }

    @PostMapping("/tournaments")
    public ResponseEntity<TournamentDto> createTournament(@RequestBody TournamentDto tournamentDto) {
        Tournament tournament;
        try {
            tournament = tournamentMapper.toEntity(tournamentDto);
        } catch (NullPointerException | DateTimeParseException e) {
            return ResponseEntity.badRequest().build();
        }
        return ResponseEntity.ok(tournamentMapper.toDto(tournamentService.saveTournament(tournament)));
    }

    @PutMapping("/tournaments/{id}")
    public ResponseEntity<TournamentDto> updateTournament(@PathVariable Long id, @RequestBody TournamentDto tournamentDto) {
        var newTournament = tournamentMapper.toEntity(tournamentDto);
        var tournament = tournamentService.updateTournament(id, newTournament);

        return ResponseEntity.ok(tournamentMapper.toDto(tournament));
    }

    @GetMapping("/tournaments/{id}/validate")
    public ResponseEntity<TournamentValidationDto> validateTournament(@PathVariable Long id) {
        var tournament = tournamentService.findTournamentById(id);

        var tournamentValidation = tournamentValidationService.validate(tournament);

        return ResponseEntity.ok(tournamentValidationMapper.toDto(tournamentValidation));
    }

    @PostMapping("/tournaments/{id}/divide")
    public ResponseEntity<TournamentDto> divideTournamentNew(@PathVariable Long id) {
        var tournament = tournamentService.findTournamentById(id);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentDivideService.divide(tournament)));
    }


    @PostMapping("/tournaments/{id}/divide/clear")
    public ResponseEntity<TournamentDto> clearTournamentDivision(@PathVariable Long id) {
        var tournament = tournamentService.findTournamentById(id);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentDivideService.clear(tournament)));
    }

    @PostMapping("/tournaments/{id}/draw")
    public ResponseEntity<TournamentDto> drawTournament(@PathVariable Long id) {
        var tournament = tournamentService.findTournamentById(id);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentDrawService.draw(tournament)));
    }

    @PostMapping("/tournaments/{id}/draw/clear")
    public ResponseEntity<TournamentDto> clearTournamentDraw(@PathVariable Long id) {
        var tournament = tournamentService.findTournamentById(id);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentDrawService.clear(tournament)));
    }

    @PostMapping("/tournaments/{tournamentId}/rounds/{roundId}/start")
    public ResponseEntity<TournamentDto> startRound(@PathVariable Long tournamentId, @PathVariable Long roundId) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.startRound(tournament, roundId)));
    }

    @PostMapping("/tournaments/{tournamentId}/rounds/{roundId}/finish")
    public ResponseEntity<TournamentDto> finishRound(@PathVariable Long tournamentId, @PathVariable Long roundId) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.finishRound(tournament, roundId)));
    }

    @PostMapping("/tournaments/{tournamentId}/groups/{groupId}/finish")
    public ResponseEntity<TournamentDto> finishGroup(@PathVariable Long tournamentId, @PathVariable Long groupId) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.finishGroup(tournament, groupId)));
    }

    @PostMapping("/tournaments/{tournamentId}/groups/{groupId}/reopen")
    public ResponseEntity<TournamentDto> reopenGroup(@PathVariable Long tournamentId, @PathVariable Long groupId) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.reopenGroup(tournament, groupId)));
    }

    @PostMapping("/tournaments/{tournamentId}/groups/{groupId}/new")
    public ResponseEntity<TournamentDto> newRound(@PathVariable Long tournamentId, @PathVariable Long groupId) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.newRound(tournament, groupId)));
    }

    @PostMapping("/tournaments/{tournamentId}/matches/{matchId}/start")
    public ResponseEntity<TournamentDto> startMatch(@PathVariable Long tournamentId, @PathVariable Long matchId,
                                                    @RequestParam("court") Long court, @RequestParam("counter") Long counter) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.startMatch(tournament, matchId, court, counter)));
    }

    @PostMapping("/tournaments/{tournamentId}/matches/{matchId}/stop")
    public ResponseEntity<TournamentDto> stopMatch(@PathVariable Long tournamentId, @PathVariable Long matchId) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.stopMatch(tournament, matchId)));
    }

    @PostMapping("/tournaments/{tournamentId}/matches/{matchId}")
    public ResponseEntity<TournamentDto> saveResult(@PathVariable Long tournamentId, @PathVariable Long matchId, @RequestBody ResultDto resultDto) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.saveResult(tournament, matchId, resultDto)));
    }

    @PatchMapping("/tournaments/{tournamentId}/players/{playerId}/paid/{paid}")
    public ResponseEntity<Void> updatePaid(@PathVariable Long tournamentId, @PathVariable Long playerId, @PathVariable Boolean paid) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        tournamentPlayService.updatePaid(tournament, playerId, paid);

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

    @PatchMapping("/tournaments/{tournamentId}/players/{playerId}/present/{present}")
    public ResponseEntity<Void> updatePresent(@PathVariable Long tournamentId, @PathVariable Long playerId, @PathVariable Boolean present) {
        var tournament = tournamentService.findTournamentById(tournamentId);

        tournamentPlayService.updatePresent(tournament, playerId, present);

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

    @PostMapping("/tournaments/{tournamentId}/players/{playerId}/substitutions")
    public ResponseEntity<TournamentDto> substitutePlayer(@PathVariable Long tournamentId, @PathVariable Long playerId, @RequestBody TournamentPlayerSubstitutionDto[] substitutions) {
      var tournament = tournamentService.findTournamentById(tournamentId);

      return ResponseEntity.ok(tournamentMapper.toDto(tournamentPlayService.playerSubstitutions(tournament, playerId, substitutions)));
    }
}