# frozen_string_literal: true

require_relative "../gdal"

module GDAL
  class WarpOperation
    # @param pointer [FFI::Pointer]
    def self.release(pointer)
      return unless pointer && !pointer.null?

      FFI::GDAL::Warper.GDALDestroyWarpOperation(pointer)
    end

    # @return [FFI::Pointer]
    attr_reader :c_pointer

    # @param warp_options [GDAL::WarpOptions]
    def initialize(warp_options)
      pointer = FFI::GDAL::Warper.GDALCreateWarpOperation(warp_options.c_struct)

      raise GDAL::Error, "Unable to create warp operation" if pointer.null?

      @c_pointer = FFI::AutoPointer.new(pointer, WarpOperation.method(:release))
    end

    def destroy!
      WarpOperation.release(@c_pointer)

      @c_pointer = nil
    end

    # @param x_offset [Integer] X offset of the destination image.
    # @param y_offset [Integer] Y offset of the destination image.
    # @param x_size [Integer] X size (width) of the destination image.
    # @param y_size [Integer] Y size (height) of the destination image.
    def chunk_and_warp_image(x_offset, y_offset, x_size, y_size)
      !!FFI::GDAL::Warper.GDALChunkAndWarpImage(@c_pointer,
                                                x_offset,
                                                y_offset,
                                                x_size,
                                                y_size)
    end

    # @param x_offset [Integer] X offset of the destination image.
    # @param y_offset [Integer] Y offset of the destination image.
    # @param x_size [Integer] X size (width) of the destination image.
    # @param y_size [Integer] Y size (height) of the destination image.
    def chunk_and_warp_multi(x_offset, y_offset, x_size, y_size)
      FFI::GDAL::Warper.GDALChunkAndWarpMulti(@c_pointer,
                                              x_offset,
                                              y_offset,
                                              x_size,
                                              y_size)
    end

    # @param destination_x_offset [Integer] X offset of the destination image.
    # @param destination_y_offset [Integer] Y offset of the destination image.
    # @param destination_x_size [Integer] X size (width) of the destination image.
    # @param destination_y_size [Integer] Y size (height) of the destination image.
    # @param source_x_offset [Integer] X offset of the source image.
    # @param source_y_offset [Integer] Y offset of the source image.
    # @param source_x_size [Integer] X size (width) of the source image.
    # @param source_y_size [Integer] Y size (height) of the source image.
    def warp_region(destination_x_offset, destination_y_offset,
      destination_x_size, destination_y_size,
      source_x_offset, source_y_offset,
      source_x_size, source_y_size)
      !!FFI::GDAL::Warper.GDALWarpRegion(@c_pointer,
                                         destination_x_offset,
                                         destination_y_offset,
                                         destination_x_size,
                                         destination_y_size,
                                         source_x_offset,
                                         source_y_offset,
                                         source_x_size,
                                         source_y_size)
    end

    # @param destination_x_offset [Integer] X offset of the destination image.
    # @param destination_y_offset [Integer] Y offset of the destination image.
    # @param destination_x_size [Integer] X size (width) of the destination image.
    # @param destination_y_size [Integer] Y size (height) of the destination image.
    # @param buffer [FFI::Pointer]
    # @param data_type [FFI::GDAL::DataType]
    # @param source_x_offset [Integer] X offset of the source image.
    # @param source_y_offset [Integer] Y offset of the source image.
    # @param source_x_size [Integer] X size (width) of the source image.
    # @param source_y_size [Integer] Y size (height) of the source image.
    # rubocop:disable Metrics/ParameterLists
    def warp_region_to_buffer(destination_x_offset, destination_y_offset,
      destination_x_size, destination_y_size,
      buffer, data_type,
      source_x_offset, source_y_offset,
      source_x_size, source_y_size)
      !!FFI::GDAL::Warper.GDALWarpRegionToBuffer(@c_pointer,
                                                 destination_x_offset,
                                                 destination_y_offset,
                                                 destination_x_size,
                                                 destination_y_size,
                                                 buffer,
                                                 data_type,
                                                 source_x_offset,
                                                 source_y_offset,
                                                 source_x_size,
                                                 source_y_size)
    end
    # rubocop:enable Metrics/ParameterLists
  end
end