package ru.soune.nocopy.controller;

import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import ru.soune.nocopy.dto.ChangePasswordRequest;
import ru.soune.nocopy.dto.UserDTO;
import ru.soune.nocopy.dto.UserRequest;
import ru.soune.nocopy.entity.AuthToken;
import ru.soune.nocopy.entity.User;
import ru.soune.nocopy.exception.InvalidUserEmail;
import ru.soune.nocopy.exception.NotFoundAuthToken;
import ru.soune.nocopy.mapper.UserMapper;
import ru.soune.nocopy.repository.AuthTokenRepository;
import ru.soune.nocopy.repository.UserRepository;
import ru.soune.nocopy.service.UserService;

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

@RestController
@RequestMapping("v1/api/user")
@RequiredArgsConstructor
public class UserController {

    private final UserRepository userRepository;

    private final UserService userService;

    private final AuthTokenRepository authTokenRepository;

    private final UserMapper userMapper;

    @GetMapping("/all")
    public ResponseEntity<List<UserDTO>> getAllUsers() {
        List<UserDTO> allUsers = userRepository.findAll().stream()
                .map(u -> new UserDTO(u.getFullName(), u.getCompany(), u.getEmail(), u.getIsActive(),
                        u.getPhone(), u.getGenderType(),
                        u.getBirthday(), u.getCreatedAt(), u.getSubscriptionType()))
                .toList();

        return ResponseEntity.ok(allUsers);
    }

    @GetMapping
    public ResponseEntity<UserDTO> getUser(@RequestParam("email") String email,
                                           @RequestHeader("Authorization") String tokenHeader) {
        String token = tokenHeader.replace("Bearer ", "");

        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);

        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));

        if (authToken != null) {
            Optional<User> user = userRepository.findByEmail(email);
            //TODO add mapper
            if (user.isPresent()) {
                UserDTO userDTO = userMapper.toDTO(user.get());
                userDTO.setEmail(email);
                userDTO.setFullName(user.get().getFullName());
                userDTO.setCompany(user.get().getCompany());
                userDTO.setPhone(user.get().getPhone());
                userDTO.setGenderType(user.get().getGenderType());
                userDTO.setBirthday(user.get().getBirthday());
                userDTO.setCreatedAt(user.get().getCreatedAt());
                userDTO.setSubscriptionType(user.get().getSubscriptionType());
                userDTO.setActive(user.get().getIsActive());

                return ResponseEntity.ok(userDTO);
            }

        }

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

    //TODO fix mapper,doesnot exist all fields
    @PostMapping("/change-password")
    public ResponseEntity<UserDTO> updateUser(@RequestBody ChangePasswordRequest changePasswordRequest,
                                              @RequestHeader("Authorization") String tokenHeader) {
        String token = tokenHeader.replace("Bearer ", "");

        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);

        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));

        User user = authToken.getUser();

        if (!changePasswordRequest.getEmail().equals(user.getEmail())) {
            throw new InvalidUserEmail("Email is not valid: " + changePasswordRequest.getEmail() + "not found");
        }

        User updateUser = userService.changePassword(user, changePasswordRequest);

        return ResponseEntity.ok(userMapper.toDTO(updateUser));
    }

    @PatchMapping("/user-update")
    public ResponseEntity<UserDTO> updateUser(@RequestBody UserRequest userRequest,
                                              @RequestHeader("Authorization") String tokenHeader) {
        String token = tokenHeader.replace("Bearer ", "");

        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);

        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));

        User user = authToken.getUser();

        return ResponseEntity.ok(userService.updateUser(userRequest, user));
    }
}