syntax = "proto3";

package topfans.gallery;

import "google/api/annotations.proto";
import "proto/common.proto";

option go_package = "github.com/topfans/backend/pkg/proto/gallery;gallery";

// 展馆服务
service GalleryService {
  // 获取我的展馆
  rpc GetMyGallery(GetMyGalleryRequest) returns (GetMyGalleryResponse) {
    option (google.api.http) = {
      get: "/api/mygalleries"
    };
  }
  
  // 获取他人展馆
  rpc GetUserGallery(GetUserGalleryRequest) returns (GetUserGalleryResponse) {
    option (google.api.http) = {
      get: "/api/galleries/{target_uid}"
    };
  }
  
  // 在展位展示藏品
  rpc PlaceAsset(PlaceAssetRequest) returns (PlaceAssetResponse) {
    option (google.api.http) = {
      post: "/api/galleries/place"
      body: "*"
    };
  }
  
  // 解锁/购买新展位
  rpc UnlockSlot(UnlockSlotRequest) returns (UnlockSlotResponse) {
    option (google.api.http) = {
      post: "/api/galleries/slots_unlock"
      body: "*"
    };
  }
  
  // 从展位移除资产（统一接口，支持展位所有者踢走和占位者下架）
  rpc RemoveFromSlot(RemoveFromSlotRequest) returns (RemoveFromSlotResponse) {
    option (google.api.http) = {
      delete: "/api/galleries/slots/{slot_id}/asset"
    };
  }
}

// 请求和响应消息定义
message GetMyGalleryRequest {}

message GetMyGalleryResponse {
  topfans.common.BaseResponse base = 1;
  GalleryData data = 2;
}

message GetUserGalleryRequest {
  int64 target_uid = 1;
}

message GetUserGalleryResponse {
  topfans.common.BaseResponse base = 1;
  GalleryData data = 2;
}

message PlaceAssetRequest {
  int64 asset_id = 1;
  int64 gallery_owner_id = 2;
  int64 slot_id = 3;
}

message PlaceAssetResponse {
  topfans.common.BaseResponse base = 1;
  PlaceAssetData data = 2;
}

message UnlockSlotRequest {}

message UnlockSlotResponse {
  topfans.common.BaseResponse base = 1;
  UnlockSlotData data = 2;
}

// 数据模型
message GalleryData {
  int64 gallery_owner_id = 1;
  int32 slot_total = 2;
  repeated SlotInfo slots = 3;
  string nickname = 4;  // 展馆所有者昵称（从 fan_profiles 表获取）
}

message SlotInfo {
  int64 slot_id = 1;
  int32 slot_index = 2;
  string status = 3;  // EMPTY, OCCUPIED, LOCKED
  bool is_enabled = 4;
  AssetInfo asset = 5;
  int64 occupier_uid = 6;
  int64 occupied_at = 7;
  int64 expire_at = 8;
  UnlockCondition unlock_condition = 9;
  string visibility = 10; // public / private
  bool can_operate = 11;   // 当前用户是否可以操作此展位
  string operation = 12;   // 操作类型: "place" | "remove" | "none"
}

message AssetInfo {
  int64 asset_id = 1;
  string name = 2;
  string cover_url = 3;
  int32 like_count = 4;
  int64 remain_time = 5;  // 剩余时间（秒）
}

message UnlockCondition {
  string type = 1;  // level, crystal
  int32 value = 2;
}

message PlaceAssetData {
  string status = 1;            // OCCUPIED
  string occupied_until = 2;   // ISO 8601格式
  int64 occupier_uid = 3;       // 占位者用户ID
}

message UnlockSlotData {
  int32 slot_total = 1;      // 展位总数
  int64 crystal_balance = 2;  // 水晶余额（如果使用水晶购买，显示扣除后的余额）
}

// 从展位移除资产请求
message RemoveFromSlotRequest {
  int64 slot_id = 1;  // 展位ID（必填）
}

// 从展位移除资产响应
message RemoveFromSlotResponse {
  topfans.common.BaseResponse base = 1;
}