OpenIsle/backend/src/main/java/com/openisle/controller/ReactionController.java

package com.openisle.controller;

import com.openisle.dto.ReactionDto;
import com.openisle.dto.ReactionRequest;
import com.openisle.mapper.ReactionMapper;
import com.openisle.model.Reaction;
import com.openisle.model.ReactionType;
import com.openisle.service.LevelService;
import com.openisle.service.PointService;
import com.openisle.service.ReactionService;
import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.Authentication;
import org.springframework.web.bind.annotation.*;

@RestController
@RequestMapping("/api")
@RequiredArgsConstructor
public class ReactionController {
    private final ReactionService reactionService;
    private final LevelService levelService;
    private final ReactionMapper reactionMapper;
    private final PointService pointService;

    /**
     * Get all available reaction types.
     */
    @GetMapping("/reaction-types")
    public ReactionType[] listReactionTypes() {
        return ReactionType.values();
    }

    @PostMapping("/posts/{postId}/reactions")
    public ResponseEntity<ReactionDto> reactToPost(@PathVariable Long postId,
                                                   @RequestBody ReactionRequest req,
                                                   Authentication auth) {
        Reaction reaction = reactionService.reactToPost(auth.getName(), postId, req.getType());
        if (reaction == null) {
            return ResponseEntity.noContent().build();
        }
        ReactionDto dto = reactionMapper.toDto(reaction);
        dto.setReward(levelService.awardForReaction(auth.getName()));
        pointService.awardForReactionOfPost(auth.getName(), postId);
        return ResponseEntity.ok(dto);
    }

    @PostMapping("/comments/{commentId}/reactions")
    public ResponseEntity<ReactionDto> reactToComment(@PathVariable Long commentId,
                                                      @RequestBody ReactionRequest req,
                                                      Authentication auth) {
        Reaction reaction = reactionService.reactToComment(auth.getName(), commentId, req.getType());
        if (reaction == null) {
            return ResponseEntity.noContent().build();
        }
        ReactionDto dto = reactionMapper.toDto(reaction);
        dto.setReward(levelService.awardForReaction(auth.getName()));
        pointService.awardForReactionOfComment(auth.getName(), commentId);
        return ResponseEntity.ok(dto);
    }

    @PostMapping("/messages/{messageId}/reactions")
    public ResponseEntity<ReactionDto> reactToMessage(@PathVariable Long messageId,
                                                      @RequestBody ReactionRequest req,
                                                      Authentication auth) {
        Reaction reaction = reactionService.reactToMessage(auth.getName(), messageId, req.getType());
        if (reaction == null) {
            return ResponseEntity.noContent().build();
        }
        ReactionDto dto = reactionMapper.toDto(reaction);
        dto.setReward(levelService.awardForReaction(auth.getName()));
        return ResponseEntity.ok(dto);
    }
}