package com.tourguide.api.admin;

import com.tourguide.common.api.ApiResponse;
import com.tourguide.modules.operation.dto.PlatformSettingsRequest;
import com.tourguide.modules.operation.dto.PlatformSettingsResponse;
import com.tourguide.modules.operation.service.PlatformSettingsService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.validation.Valid;

/**
 * 管理后台平台运营参数接口。
 * 统一读取和保存平台抽成、结算周期等影响财务计算的全局配置。
 */
@RestController
@RequestMapping("/api/admin/platform-settings")
public class AdminPlatformSettingsController {
    private final PlatformSettingsService settingsService;

    public AdminPlatformSettingsController(PlatformSettingsService settingsService) {
        this.settingsService = settingsService;
    }

    /**
     * 查询当前生效的平台运营参数，供后台配置页面回显。
     *
     * @return 当前平台配置
     */
    @GetMapping
    public ApiResponse<PlatformSettingsResponse> getSettings() {
        return ApiResponse.success(settingsService.getSettings());
    }

    /**
     * 保存平台运营参数，参数范围和格式由请求模型及业务层校验。
     *
     * @param request 平台抽成、结算周期等配置参数
     * @return 保存后实际生效的平台配置
     */
    @PutMapping
    public ApiResponse<PlatformSettingsResponse> save(@Valid @RequestBody PlatformSettingsRequest request) {
        return ApiResponse.success(settingsService.save(request));
    }
}