syntax = "proto3";

package device.v1;

import "buf/validate/validate.proto";
import "device/v1/get.proto";

option go_package = "github.com/tigorlazuardi/bluemage/go/gen/proto/device/v1";

service DeviceService {
  // GetDevice fetches a device by its slug.
  //
  // If the device is not found, an error will be returned.
  rpc GetDevice(GetDeviceRequest) returns (GetDeviceResponse) {}

  // ListDevices gets list of devices.
  //
  // Returns empty array if no matching query found.
  //
  // Only returns error if there's an internal error.
  rpc ListDevices(ListDevicesRequest) returns (ListDevicesResponse) {}

  // CreateDevice creates a new device.
  rpc CreateDevice(CreateDeviceRequest) returns (CreateDeviceResponse) {}
}

message ListDevicesRequest {
  // searches the name and slug of the devices.
  // case insensitive.
  //
  // If empty or not given, lists all devices.
  // (Limit, Offset, Order, Sort still applies).
  //
  // default: empty string.
  string search = 1;

  // disabled limit the listing devides only
  // to disabled devices.
  //
  // default: false.
  bool disabled = 2;

  // limits the number of results.
  //
  // if value is 0 or not given, limit is set to 25.
  //
  // if limit is higher than 100, it is clamped to 100.
  uint32 limit = 3;

  // offset for the given data.
  //
  // If offset is 0 or not given, the query begins from start.
  uint32 offset = 4;

  // order_by is the field to order the devices by.
  //
  // If not given, the default is `created_at`.
  OrderBy order_by = 5;

  // sort is the direction of the order_by result.
  //
  // If not given, the default is `ascending`.
  Sort sort = 6;
}

message ListDevicesResponse {
  uint32 count = 1;
  repeated GetDeviceResponse devices = 2;
}

message CreateDeviceRequest {
  // The `slug` is a unique identifier for the device, used to identify the device within the system.
  // Each `slug` must be unique across all devices.
  string slug = 1 [(buf.validate.field).string.min_len = 1];

  // `disabled` is a flag to set if a device is enabled upon creation. Default false.
  bool disabled = 2;

  // The name of the device. This is used for display purposes.
  string name = 3;

  // The display x resolution of the device.
  // The value must be greater than 0.
  double resolution_x = 4 [(buf.validate.field).double.gt = 0];

  // The display y resolution of the device.
  // The value must be greater than 0.
  double resolution_y = 5 [(buf.validate.field).double.gt = 0];

  // aspect_ratio_tolerance is a tolerance for aspect ratio images to be accepted.
  //
  // The bigger the aspect_ratio_tolerance, the more images will be fetched, but it also means more likely
  // for images that will look stretched if you set the device wallpaper view as stretched or
  // will overfill if you set the device wallpaper view as fill.
  //
  // if a device has resolution_x = 1920, resolution_y = 1080, it has an aspect ratio of 1.777~ (1920 divided by 1080).
  //
  // an aspect_ratio_tolerance of 0.2 means that the device will accept images with aspect ratio between 1.577~ and 1.977~.
  //
  // THIS IS NOT A FILTER FOR IMAGE SIZE. This filter will take images that are far bigger or smaller than the device resolution
  // as long as the aspect ratio is within the tolerance. Like example above, if an image has resolution of 3840x2160, it will be
  // accepted by the device even though it is 2 times bigger than the device resolution.
  //
  // If you want to filter image size, use min_x, min_y, max_x, max_y fields.
  double aspect_ratio_tolerance = 6;

  // The minimum x resolution required for an image to be accepted by the device.
  //
  // A value of 0 indicates no minimum x resolution.
  //
  // The default value is 0.
  int32 min_x = 7 [(buf.validate.field).int32.gte = 0];

  // The minimum y resolution required for an image to be accepted by the device.
  //
  // A value of 0 indicates no minimum y resolution.
  //
  // The default value is 0.
  int32 min_y = 8 [(buf.validate.field).int32.gte = 0];

  // The maximum x resolution allowed for an image to be accepted by the device.
  //
  // A value of 0 indicates no maximum x resolution.
  //
  // The default value is 0.
  int32 max_x = 9 [(buf.validate.field).int32.gte = 0];

  // The maximum y resolution allowed for an image to be accepted by the device.
  //
  // A value of 0 indicates no maximum y resolution.
  //
  // The default value is 0.
  int32 max_y = 10 [(buf.validate.field).int32.gte = 0];

  // The `nsfw` parameter allows the device to accept NSFW (Not Safe For Work) images when set to true.
  bool nsfw = 11;

  // `single_folder_mode` when set to true, downloaded images will be put on single folder location
  // instead of inside folders separated by subreddit names.
  bool single_folder_mode = 12;
}

message CreateDeviceResponse {
  // `slug` is the slug of the created device.
  string slug = 1;
}

enum OrderBy {
  ORDER_BY_UNSPECIFIED = 0;
  ORDER_BY_SLUG = 1;
  ORDER_BY_DISABLED = 2;
  ORDER_BY_NAME = 3;
  ORDER_BY_RESOLUTION_X = 4;
  ORDER_BY_RESOLUTION_Y = 5;
  ORDER_BY_ASPECT_RATIO_TOLERANCE = 6;
  ORDER_BY_MIN_X = 7;
  ORDER_BY_MIN_Y = 8;
  ORDER_BY_MAX_X = 9;
  ORDER_BY_MAX_Y = 10;
  ORDER_BY_NSFW = 11;
  ORDER_BY_SINGLE_FOLDER_MODE = 12;
  ORDER_BY_CREATED_AT = 13;
  ORDER_BY_UPDATED_AT = 14;
}

enum Sort {
  SORT_UNSPECIFIED = 0;
  SORT_ASCENDING = 1;
  SORT_DESCENDING = 2;
}