package com.webgame.webgamebackend.controller;

import com.webgame.webgamebackend.common.auth.AuthenticationProvider;
import com.webgame.webgamebackend.common.dto.ApiResponse;
import com.webgame.webgamebackend.common.dto.game.*;
import com.webgame.webgamebackend.service.RoomManager;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

/**
 * 房间控制器
 *
 * 管理房间的创建、加入、离开、解散、踢人、准备、开始等操作。
 * 所有房间内实时操作通过 WebSocket 处理，此控制器仅提供 REST 接口。
 */
@Validated
@RestController
@RequestMapping("/room")
@RequiredArgsConstructor
public class RoomController {

    private final RoomManager roomManager;
    private final AuthenticationProvider authProvider;

    /**
     * 获取房间列表
     *
     * @param gameId 游戏 ID（必填）
     * @param status 状态筛选（可选）
     */
    @GetMapping("/list")
    public ApiResponse<RoomListResponse> roomList(
            @RequestParam String gameId,
            @RequestParam(required = false) String status) {
        RoomListResponse result = roomManager.getRoomList(gameId, status);
        return ApiResponse.ok(result);
    }

    /**
     * 获取房间详情
     */
    @GetMapping("/{roomId}")
    public ApiResponse<RoomDetailResponse> roomDetail(@PathVariable String roomId) {
        RoomDetailResponse result = roomManager.getRoomDetail(roomId);
        return ApiResponse.ok(result);
    }

    /**
     * 创建房间
     *
     * 需登录。房主自动加入房间并设为已准备。
     */
    @PostMapping("/create")
    public ApiResponse<CreateRoomResponse> createRoom(@Valid @RequestBody CreateRoomRequest request) {
        String userId = authProvider.getCurrentUserId();
        CreateRoomResponse result = roomManager.createRoom(request, userId);
        return ApiResponse.ok(result);
    }

    /**
     * 加入房间
     */
    @PostMapping("/join")
    public ApiResponse<RoomItemResponse> joinRoom(@Valid @RequestBody JoinRoomRequest request) {
        String userId = authProvider.getCurrentUserId();
        RoomItemResponse result = roomManager.joinRoom(request, userId);
        return ApiResponse.ok(result);
    }

    /**
     * 离开房间
     */
    @PostMapping("/leave")
    public ApiResponse<Void> leaveRoom(@Valid @RequestBody LeaveRoomRequest request) {
        String userId = authProvider.getCurrentUserId();
        roomManager.leaveRoom(request.roomId(), userId);
        return ApiResponse.ok(null);
    }

    /**
     * 解散房间（仅房主）
     */
    @PostMapping("/disband")
    public ApiResponse<Void> disbandRoom(@Valid @RequestBody DisbandRoomRequest request) {
        String userId = authProvider.getCurrentUserId();
        roomManager.disbandRoom(request.roomId(), userId);
        return ApiResponse.ok(null);
    }

    /**
     * 踢出玩家（仅房主）
     */
    @PostMapping("/kick")
    public ApiResponse<Void> kickPlayer(@Valid @RequestBody KickPlayerRequest request) {
        String ownerId = authProvider.getCurrentUserId();
        roomManager.kickPlayer(request.roomId(), ownerId, request.userId());
        return ApiResponse.ok(null);
    }

    /**
     * 切换准备状态
     */
    @PostMapping("/ready")
    public ApiResponse<Boolean> toggleReady(@Valid @RequestBody ReadyRequest request) {
        String userId = authProvider.getCurrentUserId();
        boolean ready = roomManager.toggleReady(request.roomId(), userId);
        return ApiResponse.ok(ready);
    }

    /**
     * 开始游戏（仅房主）
     */
    @PostMapping("/start")
    public ApiResponse<Void> startGame(@Valid @RequestBody StartGameRequest request) {
        String ownerId = authProvider.getCurrentUserId();
        roomManager.startGame(request.roomId(), ownerId);
        return ApiResponse.ok(null);
    }
}