import * as _m0 from "protobufjs/minimal";
import { Long, isSet, bytesFromBase64, base64FromBytes, DeepPartial } from "@osmonauts/helpers";

/**
 * PageRequest is to be embedded in gRPC request messages for efficient
 * pagination. Ex:
 * 
 * message SomeRequest {
 * Foo some_parameter = 1;
 * PageRequest pagination = 2;
 * }
 */
export interface PageRequest {
  /**
   * key is a value returned in PageResponse.next_key to begin
   * querying the next page most efficiently. Only one of offset or key
   * should be set.
   */
  key: Uint8Array;

  /**
   * offset is a numeric offset that can be used when key is unavailable.
   * It is less efficient than using key. Only one of offset or key should
   * be set.
   */
  offset: Long;

  /**
   * limit is the total number of results to be returned in the result page.
   * If left empty it will default to a value to be set by each app.
   */
  limit: Long;

  /**
   * count_total is set to true  to indicate that the result set should include
   * a count of the total number of items available for pagination in UIs.
   * count_total is only respected when offset is used. It is ignored when key
   * is set.
   */
  count_total: boolean;

  /**
   * reverse is set to true if results are to be returned in the descending order.
   * 
   * Since: cosmos-sdk 0.43
   */
  reverse: boolean;
}

/**
 * PageResponse is to be embedded in gRPC response messages where the
 * corresponding request message has used PageRequest.
 * 
 * message SomeResponse {
 * repeated Bar results = 1;
 * PageResponse page = 2;
 * }
 */
export interface PageResponse {
  /**
   * next_key is the key to be passed to PageRequest.key to
   * query the next page most efficiently. It will be empty if
   * there are no more results.
   */
  next_key: Uint8Array;

  /**
   * total is total number of results available if PageRequest.count_total
   * was set, its value is undefined otherwise
   */
  total: Long;
}

function createBasePageRequest(): PageRequest {
  return {
    key: new Uint8Array(),
    offset: Long.UZERO,
    limit: Long.UZERO,
    count_total: false,
    reverse: false
  };
}

export const PageRequest = {
  encode(message: PageRequest, writer: _m0.Writer = _m0.Writer.create()): _m0.Writer {
    if (message.key.length !== 0) {
      writer.uint32(10).bytes(message.key);
    }

    if (!message.offset.isZero()) {
      writer.uint32(16).uint64(message.offset);
    }

    if (!message.limit.isZero()) {
      writer.uint32(24).uint64(message.limit);
    }

    if (message.count_total === true) {
      writer.uint32(32).bool(message.count_total);
    }

    if (message.reverse === true) {
      writer.uint32(40).bool(message.reverse);
    }

    return writer;
  },

  decode(input: _m0.Reader | Uint8Array, length?: number): PageRequest {
    const reader = input instanceof _m0.Reader ? input : new _m0.Reader(input);
    let end = length === undefined ? reader.len : reader.pos + length;
    const message = createBasePageRequest();

    while (reader.pos < end) {
      const tag = reader.uint32();

      switch (tag >>> 3) {
        case 1:
          message.key = reader.bytes();
          break;

        case 2:
          message.offset = (reader.uint64() as Long);
          break;

        case 3:
          message.limit = (reader.uint64() as Long);
          break;

        case 4:
          message.count_total = reader.bool();
          break;

        case 5:
          message.reverse = reader.bool();
          break;

        default:
          reader.skipType(tag & 7);
          break;
      }
    }

    return message;
  },

  fromJSON(object: any): PageRequest {
    return {
      key: isSet(object.key) ? bytesFromBase64(object.key) : new Uint8Array(),
      offset: isSet(object.offset) ? Long.fromString(object.offset) : Long.UZERO,
      limit: isSet(object.limit) ? Long.fromString(object.limit) : Long.UZERO,
      count_total: isSet(object.count_total) ? Boolean(object.count_total) : false,
      reverse: isSet(object.reverse) ? Boolean(object.reverse) : false
    };
  },

  toJSON(message: PageRequest): unknown {
    const obj: any = {};
    message.key !== undefined && (obj.key = base64FromBytes(message.key !== undefined ? message.key : new Uint8Array()));
    message.offset !== undefined && (obj.offset = (message.offset || Long.UZERO).toString());
    message.limit !== undefined && (obj.limit = (message.limit || Long.UZERO).toString());
    message.count_total !== undefined && (obj.count_total = message.count_total);
    message.reverse !== undefined && (obj.reverse = message.reverse);
    return obj;
  },

  fromPartial(object: DeepPartial<PageRequest>): PageRequest {
    const message = createBasePageRequest();
    message.key = object.key ?? new Uint8Array();
    message.offset = object.offset !== undefined && object.offset !== null ? Long.fromValue(object.offset) : Long.UZERO;
    message.limit = object.limit !== undefined && object.limit !== null ? Long.fromValue(object.limit) : Long.UZERO;
    message.count_total = object.count_total ?? false;
    message.reverse = object.reverse ?? false;
    return message;
  }

};

function createBasePageResponse(): PageResponse {
  return {
    next_key: new Uint8Array(),
    total: Long.UZERO
  };
}

export const PageResponse = {
  encode(message: PageResponse, writer: _m0.Writer = _m0.Writer.create()): _m0.Writer {
    if (message.next_key.length !== 0) {
      writer.uint32(10).bytes(message.next_key);
    }

    if (!message.total.isZero()) {
      writer.uint32(16).uint64(message.total);
    }

    return writer;
  },

  decode(input: _m0.Reader | Uint8Array, length?: number): PageResponse {
    const reader = input instanceof _m0.Reader ? input : new _m0.Reader(input);
    let end = length === undefined ? reader.len : reader.pos + length;
    const message = createBasePageResponse();

    while (reader.pos < end) {
      const tag = reader.uint32();

      switch (tag >>> 3) {
        case 1:
          message.next_key = reader.bytes();
          break;

        case 2:
          message.total = (reader.uint64() as Long);
          break;

        default:
          reader.skipType(tag & 7);
          break;
      }
    }

    return message;
  },

  fromJSON(object: any): PageResponse {
    return {
      next_key: isSet(object.next_key) ? bytesFromBase64(object.next_key) : new Uint8Array(),
      total: isSet(object.total) ? Long.fromString(object.total) : Long.UZERO
    };
  },

  toJSON(message: PageResponse): unknown {
    const obj: any = {};
    message.next_key !== undefined && (obj.next_key = base64FromBytes(message.next_key !== undefined ? message.next_key : new Uint8Array()));
    message.total !== undefined && (obj.total = (message.total || Long.UZERO).toString());
    return obj;
  },

  fromPartial(object: DeepPartial<PageResponse>): PageResponse {
    const message = createBasePageResponse();
    message.next_key = object.next_key ?? new Uint8Array();
    message.total = object.total !== undefined && object.total !== null ? Long.fromValue(object.total) : Long.UZERO;
    return message;
  }

};