package com.xuqm.im.controller;

import com.xuqm.common.model.ApiResponse;
import com.xuqm.im.entity.ImGroupEntity;
import com.xuqm.im.service.ImGroupService;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/api/im/groups")
public class GroupController {

    private final ImGroupService groupService;

    public GroupController(ImGroupService groupService) {
        this.groupService = groupService;
    }

    @PostMapping
    public ResponseEntity<ApiResponse<ImGroupEntity>> create(
            @RequestBody CreateGroupRequest req,
            @AuthenticationPrincipal String userId,
            @RequestParam String appId) {
        return ResponseEntity.ok(ApiResponse.success(
                groupService.create(appId, req.name(), userId, req.memberIds())));
    }

    @GetMapping
    public ResponseEntity<ApiResponse<List<ImGroupEntity>>> list(
            @RequestParam String appId,
            @AuthenticationPrincipal String userId) {
        return ResponseEntity.ok(ApiResponse.success(groupService.listUserGroups(appId, userId)));
    }

    @PostMapping("/{groupId}/members")
    public ResponseEntity<ApiResponse<ImGroupEntity>> addMember(
            @PathVariable String groupId,
            @RequestBody MemberRequest req,
            @AuthenticationPrincipal String userId) {
        return ResponseEntity.ok(ApiResponse.success(groupService.addMember(groupId, req.userId())));
    }

    @DeleteMapping("/{groupId}/members/{targetUserId}")
    public ResponseEntity<ApiResponse<ImGroupEntity>> removeMember(
            @PathVariable String groupId,
            @PathVariable String targetUserId,
            @AuthenticationPrincipal String userId) {
        return ResponseEntity.ok(ApiResponse.success(groupService.removeMember(groupId, targetUserId, userId)));
    }

    public record CreateGroupRequest(String name, List<String> memberIds) {}
    public record MemberRequest(String userId) {}
}