package com.emonster.taroaichat.web.rest;

import com.emonster.taroaichat.domain.User;
import com.emonster.taroaichat.repository.UserProfileRepository;
import com.emonster.taroaichat.repository.UserRepository;
import com.emonster.taroaichat.security.SecurityUtils;
import com.emonster.taroaichat.service.UserProfileQueryService;
import com.emonster.taroaichat.service.UserProfileService;
import com.emonster.taroaichat.service.criteria.UserProfileCriteria;
import com.emonster.taroaichat.service.dto.UserProfileDTO;
import com.emonster.taroaichat.web.rest.errors.BadRequestAlertException;
import com.emonster.taroaichat.web.rest.vm.UserProfileUpdateVM;
import jakarta.validation.Valid;
import jakarta.validation.constraints.NotNull;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
import tech.jhipster.web.util.HeaderUtil;
import tech.jhipster.web.util.PaginationUtil;
import tech.jhipster.web.util.ResponseUtil;

/**
 * REST controller for managing {@link com.emonster.taroaichat.domain.UserProfile}.
 */
@RestController
@RequestMapping("/api/v1/user-profiles")
public class UserProfileResource {

    private static final Logger LOG = LoggerFactory.getLogger(UserProfileResource.class);

    private static final String ENTITY_NAME = "userProfile";

    @Value("${jhipster.clientApp.name}")
    private String applicationName;

    private final UserProfileService userProfileService;

    private final UserProfileRepository userProfileRepository;

    private final UserProfileQueryService userProfileQueryService;

    private final UserRepository userRepository;

    public UserProfileResource(
        UserProfileService userProfileService,
        UserProfileRepository userProfileRepository,
        UserProfileQueryService userProfileQueryService,
        UserRepository userRepository
    ) {
        this.userProfileService = userProfileService;
        this.userProfileRepository = userProfileRepository;
        this.userProfileQueryService = userProfileQueryService;
        this.userRepository = userRepository;
    }

    /**
     * {@code POST  /user-profiles} : Create a new userProfile.
     *
     * @param userProfileDTO the userProfileDTO to create.
     * @return the {@link ResponseEntity} with status {@code 201 (Created)} and with body the new userProfileDTO, or with status {@code 400 (Bad Request)} if the userProfile has already an ID.
     * @throws URISyntaxException if the Location URI syntax is incorrect.
     */
    @PostMapping("")
    public ResponseEntity<UserProfileDTO> createUserProfile(@Valid @RequestBody UserProfileDTO userProfileDTO) throws URISyntaxException {
        LOG.debug("REST request to save UserProfile : {}", userProfileDTO);
        if (userProfileDTO.getId() != null) {
            throw new BadRequestAlertException("A new userProfile cannot already have an ID", ENTITY_NAME, "idexists");
        }
        userProfileDTO = userProfileService.save(userProfileDTO);
        return ResponseEntity.created(new URI("/api/user-profiles/" + userProfileDTO.getId()))
            .headers(HeaderUtil.createEntityCreationAlert(applicationName, true, ENTITY_NAME, userProfileDTO.getId().toString()))
            .body(userProfileDTO);
    }

    /**
     * {@code PUT  /user-profiles/:id} : Updates an existing userProfile.
     *
     * @param id the id of the userProfileDTO to save.
     * @param userProfileDTO the userProfileDTO to update.
     * @return the {@link ResponseEntity} with status {@code 200 (OK)} and with body the updated userProfileDTO,
     * or with status {@code 400 (Bad Request)} if the userProfileDTO is not valid,
     * or with status {@code 500 (Internal Server Error)} if the userProfileDTO couldn't be updated.
     * @throws URISyntaxException if the Location URI syntax is incorrect.
     */
    @PutMapping("/{id}")
    public ResponseEntity<UserProfileDTO> updateUserProfile(
        @PathVariable(value = "id", required = false) final Long id,
        @Valid @RequestBody UserProfileDTO userProfileDTO
    ) throws URISyntaxException {
        LOG.debug("REST request to update UserProfile : {}, {}", id, userProfileDTO);
        if (userProfileDTO.getId() == null) {
            throw new BadRequestAlertException("Invalid id", ENTITY_NAME, "idnull");
        }
        if (!Objects.equals(id, userProfileDTO.getId())) {
            throw new BadRequestAlertException("Invalid ID", ENTITY_NAME, "idinvalid");
        }

        if (!userProfileRepository.existsById(id)) {
            throw new BadRequestAlertException("Entity not found", ENTITY_NAME, "idnotfound");
        }

        userProfileDTO = userProfileService.update(userProfileDTO);
        return ResponseEntity.ok()
            .headers(HeaderUtil.createEntityUpdateAlert(applicationName, true, ENTITY_NAME, userProfileDTO.getId().toString()))
            .body(userProfileDTO);
    }

    /**
     * {@code PATCH  /user-profiles/:id} : Partial updates given fields of an existing userProfile, field will ignore if it is null
     *
     * @param id the id of the userProfileDTO to save.
     * @param userProfileDTO the userProfileDTO to update.
     * @return the {@link ResponseEntity} with status {@code 200 (OK)} and with body the updated userProfileDTO,
     * or with status {@code 400 (Bad Request)} if the userProfileDTO is not valid,
     * or with status {@code 404 (Not Found)} if the userProfileDTO is not found,
     * or with status {@code 500 (Internal Server Error)} if the userProfileDTO couldn't be updated.
     * @throws URISyntaxException if the Location URI syntax is incorrect.
     */
    @PatchMapping(value = "/{id}", consumes = { "application/json", "application/merge-patch+json" })
    public ResponseEntity<UserProfileDTO> partialUpdateUserProfile(
        @PathVariable(value = "id", required = false) final Long id,
        @NotNull @RequestBody UserProfileDTO userProfileDTO
    ) throws URISyntaxException {
        LOG.debug("REST request to partial update UserProfile partially : {}, {}", id, userProfileDTO);
        if (userProfileDTO.getId() == null) {
            throw new BadRequestAlertException("Invalid id", ENTITY_NAME, "idnull");
        }
        if (!Objects.equals(id, userProfileDTO.getId())) {
            throw new BadRequestAlertException("Invalid ID", ENTITY_NAME, "idinvalid");
        }

        if (!userProfileRepository.existsById(id)) {
            throw new BadRequestAlertException("Entity not found", ENTITY_NAME, "idnotfound");
        }

        Optional<UserProfileDTO> result = userProfileService.partialUpdate(userProfileDTO);

        return ResponseUtil.wrapOrNotFound(
            result,
            HeaderUtil.createEntityUpdateAlert(applicationName, true, ENTITY_NAME, userProfileDTO.getId().toString())
        );
    }

    /**
     * {@code GET  /user-profiles} : get all the userProfiles.
     *
     * @param pageable the pagination information.
     * @param criteria the criteria which the requested entities should match.
     * @return the {@link ResponseEntity} with status {@code 200 (OK)} and the list of userProfiles in body.
     */
    @GetMapping("")
    public ResponseEntity<List<UserProfileDTO>> getAllUserProfiles(
        UserProfileCriteria criteria,
        @org.springdoc.core.annotations.ParameterObject Pageable pageable
    ) {
        LOG.debug("REST request to get UserProfiles by criteria: {}", criteria);

        Page<UserProfileDTO> page = userProfileQueryService.findByCriteria(criteria, pageable);
        HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(ServletUriComponentsBuilder.fromCurrentRequest(), page);
        return ResponseEntity.ok().headers(headers).body(page.getContent());
    }

    /**
     * {@code GET  /user-profiles/count} : count all the userProfiles.
     *
     * @param criteria the criteria which the requested entities should match.
     * @return the {@link ResponseEntity} with status {@code 200 (OK)} and the count in body.
     */
    @GetMapping("/count")
    public ResponseEntity<Long> countUserProfiles(UserProfileCriteria criteria) {
        LOG.debug("REST request to count UserProfiles by criteria: {}", criteria);
        return ResponseEntity.ok().body(userProfileQueryService.countByCriteria(criteria));
    }

    /**
     * {@code GET  /user-profiles/:id} : get the "id" userProfile.
     *
     * @param id the id of the userProfileDTO to retrieve.
     * @return the {@link ResponseEntity} with status {@code 200 (OK)} and with body the userProfileDTO, or with status {@code 404 (Not Found)}.
     */
    @GetMapping("/{id}")
    public ResponseEntity<UserProfileDTO> getUserProfile(@PathVariable("id") Long id) {
        LOG.debug("REST request to get UserProfile : {}", id);
        Optional<UserProfileDTO> userProfileDTO = userProfileService.findOne(id);
        return ResponseUtil.wrapOrNotFound(userProfileDTO);
    }

    /**
     * {@code DELETE  /user-profiles/:id} : delete the "id" userProfile.
     *
     * @param id the id of the userProfileDTO to delete.
     * @return the {@link ResponseEntity} with status {@code 204 (NO_CONTENT)}.
     */
    @DeleteMapping("/{id}")
    public ResponseEntity<Void> deleteUserProfile(@PathVariable("id") Long id) {
        LOG.debug("REST request to delete UserProfile : {}", id);
        userProfileService.delete(id);
        return ResponseEntity.noContent()
            .headers(HeaderUtil.createEntityDeletionAlert(applicationName, true, ENTITY_NAME, id.toString()))
            .build();
    }

    /**
     * {@code GET  /user-profiles/me} : get the current user's profile.
     *
     * @return the current user's profile
     * @throws BadRequestAlertException if the user is not authenticated or profile not found
     */
    @GetMapping("/me")
    public ResponseEntity<UserProfileDTO> getCurrentUserProfile() {
        LOG.debug("REST request to get current user profile");

        String userLogin = SecurityUtils
            .getCurrentUserLogin()
            .orElseThrow(() -> new BadRequestAlertException("User not authenticated", ENTITY_NAME, "notauthenticated"));

        // Find user by their login
        Long userId = userRepository
            .findOneByLogin(userLogin)
            .map(User::getId)
            .orElseThrow(() -> new BadRequestAlertException("User not found", ENTITY_NAME, "usernotfound"));

        // Find user profile by user ID
        Optional<UserProfileDTO> userProfile = userProfileService.findByUserId(userId);

        return ResponseUtil.wrapOrNotFound(userProfile);
    }

    /**
     * {@code PUT  /user-profiles/me} : update the current user's profile.
     *
     * @param userProfileUpdateVM the user profile update information
     * @return the updated user profile
     * @throws BadRequestAlertException if the user is not authenticated or profile not found
     */
    @PutMapping("/me")
    public ResponseEntity<UserProfileDTO> updateCurrentUserProfile(@Valid @RequestBody UserProfileUpdateVM userProfileUpdateVM) {
        LOG.debug("REST request to update current user profile : {}", userProfileUpdateVM);

        String userLogin = SecurityUtils
            .getCurrentUserLogin()
            .orElseThrow(() -> new BadRequestAlertException("User not authenticated", ENTITY_NAME, "notauthenticated"));

        // Find user by their login
        Long userId = userRepository
            .findOneByLogin(userLogin)
            .map(user -> user.getId())
            .orElseThrow(() -> new BadRequestAlertException("User not found", ENTITY_NAME, "usernotfound"));

        // Find user profile by user ID
        UserProfileDTO existingProfile = userProfileService
            .findByUserId(userId)
            .orElseThrow(() -> new BadRequestAlertException("User profile not found", ENTITY_NAME, "profilenotfound"));

        // Update the DTO with new values (including nulls)
        existingProfile.setBirthday(userProfileUpdateVM.getBirthday());
        existingProfile.setGender(userProfileUpdateVM.getGender());
        existingProfile.setOccupation(userProfileUpdateVM.getOccupation());

        // Use the new update method that properly handles null values
        UserProfileDTO updatedProfile = userProfileService.updateWithNulls(existingProfile);

        return ResponseEntity.ok()
            .headers(HeaderUtil.createEntityUpdateAlert(applicationName, true, ENTITY_NAME, updatedProfile.getId().toString()))
            .body(updatedProfile);
    }
}