package com.designhub.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.designhub.common.Result;
import com.designhub.entity.Contest;
import com.designhub.entity.ContestParticipant;
import com.designhub.service.ContestService;
import com.designhub.util.JwtUtil;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 竞赛活动Controller
 */
@Tag(name = "竞赛活动", description = "竞赛活动管理相关API")
@RestController
@RequestMapping("/api/contests")
@RequiredArgsConstructor
public class ContestController {

    private final ContestService contestService;
    private final JwtUtil jwtUtil;

    @Operation(summary = "创建竞赛")
    @PostMapping
    public Result<Contest> createContest(
            @RequestBody Contest contest,
            @RequestHeader("Authorization") String authHeader) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long userId = jwtUtil.getUserIdFromToken(token);
        contest.setCreatorId(userId);
        return Result.success(contestService.createContest(contest));
    }

    @Operation(summary = "更新竞赛")
    @PutMapping("/{id}")
    public Result<Contest> updateContest(@PathVariable Long id, @RequestBody Contest contest) {
        return Result.success(contestService.updateContest(id, contest));
    }

    @Operation(summary = "发布竞赛")
    @PostMapping("/{id}/publish")
    public Result<Contest> publishContest(@PathVariable Long id) {
        return Result.success(contestService.publishContest(id));
    }

    @Operation(summary = "结束竞赛")
    @PostMapping("/{id}/end")
    public Result<Void> endContest(@PathVariable Long id) {
        contestService.endContest(id);
        return Result.success();
    }

    @Operation(summary = "取消竞赛")
    @PostMapping("/{id}/cancel")
    public Result<Void> cancelContest(@PathVariable Long id) {
        contestService.cancelContest(id);
        return Result.success();
    }

    @Operation(summary = "删除竞赛")
    @DeleteMapping("/{id}")
    public Result<Void> deleteContest(@PathVariable Long id) {
        contestService.deleteContest(id);
        return Result.success();
    }

    @Operation(summary = "获取竞赛列表")
    @GetMapping
    public Result<IPage<Contest>> getContestList(
            @RequestParam(defaultValue = "1") Integer page,
            @RequestParam(defaultValue = "10") Integer pageSize,
            @RequestParam(required = false) String status) {
        return Result.success(contestService.getContestList(page, pageSize, status));
    }

    @Operation(summary = "获取竞赛详情")
    @GetMapping("/{id}")
    public Result<Contest> getContestById(@PathVariable Long id) {
        return Result.success(contestService.getContestById(id));
    }

    @Operation(summary = "获取竞赛排行榜")
    @GetMapping("/{id}/leaderboard")
    public Result<List<ContestParticipant>> getLeaderboard(
            @PathVariable Long id,
            @RequestParam(required = false, defaultValue = "50") Integer limit) {
        return Result.success(contestService.getLeaderboard(id, limit));
    }

    @Operation(summary = "获取用户在竞赛中的数据")
    @GetMapping("/{contestId}/user/{userId}")
    public Result<ContestParticipant> getUserContestData(
            @PathVariable Long contestId,
            @PathVariable Long userId) {
        return Result.success(contestService.getUserContestData(contestId, userId));
    }

    @Operation(summary = "获取我的竞赛数据")
    @GetMapping("/{contestId}/my")
    public Result<ContestParticipant> getMyContestData(
            @PathVariable Long contestId,
            @RequestHeader("Authorization") String authHeader) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long userId = jwtUtil.getUserIdFromToken(token);
        return Result.success(contestService.getUserContestData(contestId, userId));
    }

    @Operation(summary = "领取竞赛奖励")
    @PostMapping("/{contestId}/claim-reward")
    public Result<Boolean> claimReward(
            @PathVariable Long contestId,
            @RequestHeader("Authorization") String authHeader) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long userId = jwtUtil.getUserIdFromToken(token);
        return Result.success(contestService.claimReward(contestId, userId));
    }
}