package com.gcsc.guide.controller;

import com.gcsc.guide.dto.UpdateRolesRequest;
import com.gcsc.guide.dto.UserResponse;
import com.gcsc.guide.service.UserService;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 관리자 사용자 관리 API
 */
@RestController
@RequestMapping("/api/admin/users")
@RequiredArgsConstructor
public class AdminUserController {

    private final UserService userService;

    /** 전체 사용자 목록 조회 (status 필터 선택) */
    @GetMapping
    public ResponseEntity<List<UserResponse>> getUsers(
            @RequestParam(required = false) String status) {
        return ResponseEntity.ok(userService.getUsers(status));
    }

    /** 사용자 승인 (PENDING → ACTIVE) */
    @PutMapping("/{id}/approve")
    public ResponseEntity<UserResponse> approveUser(@PathVariable Long id) {
        return ResponseEntity.ok(userService.approveUser(id));
    }

    /** 사용자 거절 (PENDING → REJECTED) */
    @PutMapping("/{id}/reject")
    public ResponseEntity<UserResponse> rejectUser(@PathVariable Long id) {
        return ResponseEntity.ok(userService.rejectUser(id));
    }

    /** 사용자 비활성화 (ACTIVE → DISABLED) */
    @PutMapping("/{id}/disable")
    public ResponseEntity<UserResponse> disableUser(@PathVariable Long id) {
        return ResponseEntity.ok(userService.disableUser(id));
    }

    /** 사용자 롤 업데이트 */
    @PutMapping("/{id}/roles")
    public ResponseEntity<UserResponse> updateUserRoles(
            @PathVariable Long id,
            @Valid @RequestBody UpdateRolesRequest request) {
        return ResponseEntity.ok(userService.updateUserRoles(id, request.roleIds()));
    }

    /** 관리자 권한 부여 */
    @PostMapping("/{id}/admin")
    public ResponseEntity<UserResponse> grantAdmin(@PathVariable Long id) {
        return ResponseEntity.ok(userService.grantAdmin(id));
    }

    /** 관리자 권한 해제 */
    @DeleteMapping("/{id}/admin")
    public ResponseEntity<UserResponse> revokeAdmin(@PathVariable Long id) {
        return ResponseEntity.ok(userService.revokeAdmin(id));
    }
}