#!/usr/bin/env pytest
# -*- coding: utf-8 -*-
###############################################################################
# $Id$
#
# Project:  GDAL/OGR Test Suite
# Purpose:  test librarified gdal_translate
# Author:   Faza Mahamood <fazamhd at gmail dot com>
#
###############################################################################
# Copyright (c) 2015, Faza Mahamood <fazamhd at gmail dot com>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
###############################################################################

import collections
import os
import shutil
import struct

import gdaltest
import pytest

from osgeo import gdal, osr

###############################################################################
# Simple test


def test_gdal_translate_lib_1(tmp_path):

    dst_tif = tmp_path / "test1.tif"

    ds = gdal.Open("../gcore/data/byte.tif")

    ds = gdal.Translate(dst_tif, ds)
    assert ds is not None, "got error/warning"

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    ds = None

    ds = gdal.Open(dst_tif)
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    ds = None


###############################################################################
# Test format option and callback


def mycallback(pct, msg, user_data):
    # pylint: disable=unused-argument
    user_data[0] = pct
    return 1


def test_gdal_translate_lib_2(tmp_path):

    dst_tif = str(tmp_path / "test2.tif")

    src_ds = gdal.Open("../gcore/data/byte.tif")
    tab = [0]
    ds = gdal.Translate(
        dst_tif, src_ds, format="GTiff", callback=mycallback, callback_data=tab
    )
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    assert tab[0] == 1.0, "Bad percentage"

    ds = None


###############################################################################
# Test outputType option


def test_gdal_translate_lib_3(tmp_path):

    dst_tif = str(tmp_path / "test3.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(dst_tif, ds, outputType=gdal.GDT_Int16)
    assert ds is not None

    assert ds.GetRasterBand(1).DataType == gdal.GDT_Int16, "Bad data type"

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    ds = None


###############################################################################
# Test bandList option


def test_gdal_translate_lib_4(tmp_path):

    dst_tif = str(tmp_path / "test4.tif")

    ds = gdal.Open("../gcore/data/rgbsmall.tif")

    ds = gdal.Translate(dst_tif, ds, bandList=[3, 2, 1])
    assert ds is not None, "got error/warning"

    assert ds.GetRasterBand(1).Checksum() == 21349, "Bad checksum"

    assert ds.GetRasterBand(2).Checksum() == 21053, "Bad checksum"

    assert ds.GetRasterBand(3).Checksum() == 21212, "Bad checksum"

    ds = None


###############################################################################
# Test rgbExpand option


@pytest.mark.require_driver("GIF")
def test_gdal_translate_lib_5(tmp_path):

    dst_tif = str(tmp_path / "test5.tif")

    ds = gdal.Open("../gdrivers/data/gif/bug407.gif")
    ds = gdal.Translate(dst_tif, ds, rgbExpand="rgb")
    assert ds is not None

    assert (
        ds.GetRasterBand(1).GetRasterColorInterpretation() == gdal.GCI_RedBand
    ), "Bad color interpretation"

    assert (
        ds.GetRasterBand(2).GetRasterColorInterpretation() == gdal.GCI_GreenBand
    ), "Bad color interpretation"

    assert (
        ds.GetRasterBand(3).GetRasterColorInterpretation() == gdal.GCI_BlueBand
    ), "Bad color interpretation"

    assert ds.GetRasterBand(1).Checksum() == 20615, "Bad checksum"

    assert ds.GetRasterBand(2).Checksum() == 59147, "Bad checksum"

    assert ds.GetRasterBand(3).Checksum() == 63052, "Bad checksum"

    ds = None


###############################################################################
# Test oXSizePixel and oYSizePixel option


def test_gdal_translate_lib_6(tmp_path):

    dst_tif = str(tmp_path / "test6.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(dst_tif, ds, width=40, height=40)
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 18784, "Bad checksum"

    ds = None


###############################################################################
# Test oXSizePct and oYSizePct option


def test_gdal_translate_lib_7(tmp_path):

    dst_tif = str(tmp_path / "test7.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(dst_tif, ds, widthPct=200.0, heightPct=200.0)
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 18784, "Bad checksum"

    ds = None


###############################################################################
# Test outputSRS and GCPs options


def test_gdal_translate_lib_8(tmp_path):

    dst_tif = str(tmp_path / "test8.tif")

    gcpList = [
        gdal.GCP(440720.000, 3751320.000, 0, 0, 0),
        gdal.GCP(441920.000, 3751320.000, 0, 20, 0),
        gdal.GCP(441920.000, 3750120.000, 0, 20, 20),
        gdal.GCP(440720.000, 3750120.000, 0, 0, 20),
    ]
    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(dst_tif, ds, outputSRS="EPSG:26711", GCPs=gcpList)
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    gcps = ds.GetGCPs()
    assert len(gcps) == 4, "GCP count wrong."

    assert ds.GetGCPProjection().find("26711") != -1, "Bad GCP projection."

    ds = None


###############################################################################
# Test nodata option


def test_gdal_translate_lib_9(tmp_path):

    dst_tif = str(tmp_path / "test9.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(dst_tif, ds, noData=1)
    assert ds is not None

    assert ds.GetRasterBand(1).GetNoDataValue() == 1, "Bad nodata value"

    ds = None


###############################################################################
# Test nodata option


def test_gdal_translate_lib_nodata_uint64():

    ds = gdal.Open("../gcore/data/byte.tif")
    noData = (1 << 64) - 1
    ds = gdal.Translate("", ds, format="MEM", outputType=gdal.GDT_UInt64, noData=noData)
    assert ds is not None

    assert ds.GetRasterBand(1).GetNoDataValue() == noData, "Bad nodata value"

    ds = None


###############################################################################
# Test nodata option


def test_gdal_translate_lib_nodata_int64():

    ds = gdal.Open("../gcore/data/byte.tif")
    noData = -(1 << 63)
    ds = gdal.Translate("", ds, format="MEM", outputType=gdal.GDT_Int64, noData=noData)
    assert ds is not None

    assert ds.GetRasterBand(1).GetNoDataValue() == noData, "Bad nodata value"

    ds = None


###############################################################################
# Test srcWin option


def test_gdal_translate_lib_10(tmp_path):

    dst_tif = str(tmp_path / "test10.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(dst_tif, ds, srcWin=[0, 0, 1, 1])
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 2, "Bad checksum"

    ds = None


###############################################################################
# Test projWin option


def test_gdal_translate_lib_11(tmp_path):

    dst_tif = str(tmp_path / "test11.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(
        dst_tif, ds, projWin=[440720.000, 3751320.000, 441920.000, 3750120.000]
    )
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    gdaltest.check_geotransform(
        gdal.Open("../gcore/data/byte.tif").GetGeoTransform(),
        ds.GetGeoTransform(),
        1e-9,
    )

    ds = None


###############################################################################
# Test outputBounds option


def test_gdal_translate_lib_12(tmp_path):

    dst_tif = str(tmp_path / "test12.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(
        dst_tif,
        ds,
        outputBounds=[440720.000, 3751320.000, 441920.000, 3750120.000],
    )
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    gdaltest.check_geotransform(
        gdal.Open("../gcore/data/byte.tif").GetGeoTransform(),
        ds.GetGeoTransform(),
        1e-9,
    )

    ds = None


###############################################################################
# Test outputGeotransform option


def test_gdal_translate_lib_outputGeotransform(tmp_vsimem):

    dst_tif = str(tmp_vsimem / "test_gdal_translate_lib_outputGeotransform.tif")

    with pytest.raises(
        Exception, match="outputBounds and outputGeotransform are mutually exclusive"
    ):
        gdal.Translate(
            dst_tif,
            gdal.Open("../gcore/data/byte.tif"),
            outputBounds=[440720.000, 3751320.000, 441920.000, 3750120.000],
            outputGeotransform=[1.25, 2, 3, 4, 5, 6],
        )

    ds = gdal.Translate(
        dst_tif,
        gdal.Open("../gcore/data/byte.tif"),
        outputGeotransform=[1.25, 2, 3, 4, 5, 6],
    )
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    gdaltest.check_geotransform(
        (1.25, 2, 3, 4, 5, 6),
        ds.GetGeoTransform(),
        1e-9,
    )

    ds = None


###############################################################################
# Test metadataOptions


def test_gdal_translate_lib_13(tmp_vsimem):

    src_ds = gdal.Open("../gcore/data/byte.tif")

    ds = gdal.Translate(
        tmp_vsimem / "test13.tif",
        src_ds,
        metadataOptions=["TIFFTAG_DOCUMENTNAME=test13"],
    )
    assert ds is not None

    md = ds.GetMetadata()
    assert "TIFFTAG_DOCUMENTNAME" in md, "Did not get TIFFTAG_DOCUMENTNAME"
    ds = None


def test_gdal_translate_lib_13a(tmp_vsimem):

    src_ds = gdal.Open("../gcore/data/byte.tif")

    ds = gdal.Translate(
        tmp_vsimem / "test13.tif", src_ds, metadataOptions="TIFFTAG_DOCUMENTNAME=test13"
    )
    assert ds is not None

    md = ds.GetMetadata()
    assert "TIFFTAG_DOCUMENTNAME" in md, "Did not get TIFFTAG_DOCUMENTNAME"
    ds = None


###############################################################################
# Test creationOptions


def test_gdal_translate_lib_14(tmp_path):

    dst_tif = str(tmp_path / "test14.tif")

    ds = gdal.Open("../gcore/data/byte.tif")
    ds = gdal.Translate(dst_tif, ds, creationOptions=["COMPRESS=LZW"])
    assert ds is not None

    md = ds.GetMetadata("IMAGE_STRUCTURE")
    assert "COMPRESSION" in md and md["COMPRESSION"] == "LZW", "Did not get COMPRESSION"

    ds = None


###############################################################################
# Test internal wrappers


def test_gdal_translate_lib_100():

    # No option
    with pytest.raises(Exception):
        gdal.TranslateInternal("", gdal.Open("../gcore/data/byte.tif"), None)

    # Will create an implicit options structure
    with pytest.raises(Exception):
        gdal.TranslateInternal(
            "", gdal.Open("../gcore/data/byte.tif"), None, gdal.TermProgress_nocb
        )

    # Null dest name
    try:
        gdal.TranslateInternal(None, gdal.Open("../gcore/data/byte.tif"), None)
    except Exception:
        pass


###############################################################################
# Test behaviour with SIGNEDBYTE


def test_gdal_translate_lib_101(tmp_vsimem):

    ds = gdal.Translate(
        tmp_vsimem / "test_gdal_translate_lib_101.tif",
        gdal.Open("../gcore/data/byte.tif"),
        creationOptions=["PIXELTYPE=SIGNEDBYTE"],
        noData="-128",
    )
    assert (
        ds.GetRasterBand(1).GetMetadataItem("PIXELTYPE", "IMAGE_STRUCTURE")
        == "SIGNEDBYTE"
    ), "Did not get SIGNEDBYTE"
    assert ds.GetRasterBand(1).GetNoDataValue() == -128, "Did not get -128"
    ds2 = gdal.Translate(
        tmp_vsimem / "test_gdal_translate_lib_101_2.tif", ds, noData=-127
    )
    assert ds2.GetRasterBand(1).GetNoDataValue() == -127, "Did not get -127"
    ds = None
    ds2 = None


###############################################################################
# Test -scale


def test_gdal_translate_lib_102():

    ds = gdal.Translate(
        "",
        gdal.Open("../gcore/data/byte.tif"),
        format="MEM",
        scaleParams=[[0, 255, 0, 65535]],
        outputType=gdal.GDT_UInt16,
    )
    result = ds.GetRasterBand(1).ComputeRasterMinMax(False)
    assert result == (19018.0, 65535.0)

    (approx_min, approx_max) = ds.GetRasterBand(1).ComputeRasterMinMax(True)
    ds2 = gdal.Translate(
        "",
        ds,
        format="MEM",
        scaleParams=[[approx_min, approx_max]],
        outputType=gdal.GDT_Byte,
    )
    expected_stats = ds2.GetRasterBand(1).ComputeStatistics(False)

    # Implicit source statistics use approximate source min/max
    ds2 = gdal.Translate(
        "", ds, format="MEM", scaleParams=[[]], outputType=gdal.GDT_Byte
    )
    stats = ds2.GetRasterBand(1).ComputeStatistics(False)
    for i in range(4):
        assert stats[i] == pytest.approx(expected_stats[i], abs=1e-3)


###############################################################################
# Test -scale preserves [0,255] input range


def test_gdal_translate_lib_scale_0_255_input_range():

    src_ds = gdal.GetDriverByName("MEM").Create("", 3, 1)
    expected_data = struct.pack("B" * 3, 0, 254, 255)
    src_ds.WriteRaster(0, 0, 3, 1, expected_data)
    ds = gdal.Translate("", src_ds, options="-of MEM -scale")
    assert ds.ReadRaster() == expected_data


###############################################################################
# Test that -projwin with nearest neighbor resampling uses integer source
# pixel boundaries (#6610)


def test_gdal_translate_lib_103():

    ds = gdal.Translate(
        "",
        "../gcore/data/byte.tif",
        format="MEM",
        projWin=[440730, 3751310, 441910, 3750140],
    )
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    gdaltest.check_geotransform(
        gdal.Open("../gcore/data/byte.tif").GetGeoTransform(),
        ds.GetGeoTransform(),
        1e-9,
    )


###############################################################################
# Test translate with a MEM source to a anonymous VRT


def test_gdal_translate_lib_104():

    src_ds = gdal.GetDriverByName("MEM").Create("", 2, 2)
    src_ds.GetRasterBand(1).Fill(255)
    ds = gdal.Translate("", "../gcore/data/byte.tif", format="VRT", width=1, height=1)
    assert ds.GetRasterBand(1).Checksum() == 3, "Bad checksum"


###############################################################################
# Test GCPs propagation in "VRT path"


def test_gdal_translate_lib_gcp_vrt_path():

    src_ds = gdal.Open("../gcore/data/gcps.vrt")
    ds = gdal.Translate("", src_ds, format="MEM", metadataOptions=["FOO=BAR"])
    assert len(ds.GetGCPs()) == len(src_ds.GetGCPs())
    for i in range(len(src_ds.GetGCPs())):
        assert ds.GetGCPs()[i].GCPX == src_ds.GetGCPs()[i].GCPX
        assert ds.GetGCPs()[i].GCPY == src_ds.GetGCPs()[i].GCPY
        assert ds.GetGCPs()[i].GCPPixel == src_ds.GetGCPs()[i].GCPPixel
        assert ds.GetGCPs()[i].GCPLine == src_ds.GetGCPs()[i].GCPLine


###############################################################################
# Test RPC propagation in "VRT path"


def test_gdal_translate_lib_rcp_vrt_path():

    src_ds = gdal.Open("../gcore/data/rpc.vrt")
    ds = gdal.Translate("", src_ds, format="MEM", metadataOptions=["FOO=BAR"])
    assert ds.GetMetadata("RPC") == src_ds.GetMetadata("RPC")


###############################################################################
# Test GeoLocation propagation in "VRT path"


def test_gdal_translate_lib_geolocation_vrt_path(tmp_vsimem):

    src_ds = gdal.Open("../gcore/data/sstgeo.vrt")
    ds = gdal.Translate(
        tmp_vsimem / "temp.vrt", src_ds, format="VRT", metadataOptions=["FOO=BAR"]
    )
    assert ds.GetMetadata("GEOLOCATION") == src_ds.GetMetadata("GEOLOCATION")


###############################################################################
# Test -colorinterp and -colorinterp_X


def test_gdal_translate_lib_colorinterp():

    src_ds = gdal.Open("../gcore/data/rgbsmall.tif")

    # Less bands specified than available
    ds = gdal.Translate("", src_ds, options="-f MEM -colorinterp blue,gray")
    assert ds.GetRasterBand(1).GetColorInterpretation() == gdal.GCI_BlueBand
    assert ds.GetRasterBand(2).GetColorInterpretation() == gdal.GCI_GrayIndex
    assert ds.GetRasterBand(3).GetColorInterpretation() == gdal.GCI_BlueBand

    # More bands specified than available and a unknown color interpretation
    with gdal.quiet_errors():
        ds = gdal.Translate(
            "", src_ds, options="-f MEM -colorinterp alpha,red,undefined,foo"
        )
    assert ds.GetRasterBand(1).GetColorInterpretation() == gdal.GCI_AlphaBand
    assert ds.GetRasterBand(2).GetColorInterpretation() == gdal.GCI_RedBand
    assert ds.GetRasterBand(3).GetColorInterpretation() == gdal.GCI_Undefined

    # Test colorinterp_
    ds = gdal.Translate("", src_ds, options="-f MEM -colorinterp_2 alpha")
    assert ds.GetRasterBand(1).GetColorInterpretation() == gdal.GCI_RedBand
    assert ds.GetRasterBand(2).GetColorInterpretation() == gdal.GCI_AlphaBand
    assert ds.GetRasterBand(3).GetColorInterpretation() == gdal.GCI_BlueBand

    # Test invalid colorinterp_
    with pytest.raises(Exception):
        with gdal.quiet_errors():
            gdal.Translate("", src_ds, options="-f MEM -colorinterp_0 alpha")

    # Test colorinterp on a source mask band
    tmp_ds = gdal.Translate("", src_ds, options="-f MEM -b 1 -b 2 -b 3 -mask mask")
    ds = gdal.Translate(
        "",
        tmp_ds,
        options="-f MEM -b 1 -b 2 -b 3 -b mask -colorinterp red,green,blue,alpha",
    )
    assert ds.GetRasterBand(1).GetColorInterpretation() == gdal.GCI_RedBand
    assert ds.GetRasterBand(2).GetColorInterpretation() == gdal.GCI_GreenBand
    assert ds.GetRasterBand(3).GetColorInterpretation() == gdal.GCI_BlueBand
    assert ds.GetRasterBand(4).GetColorInterpretation() == gdal.GCI_AlphaBand


###############################################################################
# Test nogcp options


def test_gdal_translate_lib_110(tmp_path):

    dst_tif = str(tmp_path / "test110.tif")

    ds = gdal.Open("../gcore/data/byte_gcp.tif")
    ds = gdal.Translate(dst_tif, ds, nogcp="True")
    assert ds is not None

    assert ds.GetRasterBand(1).Checksum() == 4672, "Bad checksum"

    gcps = ds.GetGCPs()
    assert len(gcps) == 0, "GCP count wrong."

    ds = None


###############################################################################
# Test noxmp options


def test_gdal_translate_lib_111(tmp_path):

    dst_tif = str(tmp_path / "test111noxmp.tif")
    dst2_tif = str(tmp_path / "test111notcopied.tif")
    dst3_tif = str(tmp_path / "test111.tif")

    ds = gdal.Open("../gdrivers/data/gtiff/byte_with_xmp.tif")
    new_ds = gdal.Translate(dst_tif, ds, options="-noxmp")
    assert new_ds is not None
    xmp = new_ds.GetMetadata("xml:XMP")
    new_ds = None
    assert xmp is None

    # codepath if some other options are set is different, creating a VRTdataset
    new_ds = gdal.Translate(dst2_tif, ds, nogcp="True")
    assert new_ds is not None
    new_ds = None
    new_ds = gdal.Open(dst2_tif)
    xmp = new_ds.GetMetadata("xml:XMP")
    new_ds = None
    assert "W5M0MpCehiHzreSzNTczkc9d" in xmp[0], "Wrong output file without XMP"

    # normal codepath calling CreateCopy directly
    new_ds = gdal.Translate(dst3_tif, ds)
    assert new_ds is not None
    new_ds = None
    new_ds = gdal.Open(dst3_tif)
    xmp = new_ds.GetMetadata("xml:XMP")
    new_ds = None
    assert "W5M0MpCehiHzreSzNTczkc9d" in xmp[0], "Wrong output file without XMP"

    ds = None


def test_gdal_translate_lib_112(tmp_path):

    dst_tif = str(tmp_path / "test112noxmp.tif")
    dst2_tif = str(tmp_path / "test112.tif")

    ds = gdal.Open("../gdrivers/data/gtiff/byte_with_xmp.tif")
    new_ds = gdal.Translate(dst_tif, ds, options="-of COG -noxmp")
    assert new_ds is not None
    xmp = new_ds.GetMetadata("xml:XMP")
    new_ds = None
    assert xmp is None

    new_ds = gdal.Translate(dst2_tif, ds, format="COG")
    assert new_ds is not None
    new_ds = None
    new_ds = gdal.Open(dst2_tif)
    xmp = new_ds.GetMetadata("xml:XMP")
    new_ds = None
    assert "W5M0MpCehiHzreSzNTczkc9d" in xmp[0], "Wrong output file without XMP"

    ds = None


###############################################################################
# Test gdal_translate foo.tif foo.tif.ovr


def test_gdal_translate_lib_generate_ovr(tmp_vsimem):

    gdal.FileFromMemBuffer(
        tmp_vsimem / "foo.tif", open("../gcore/data/byte.tif", "rb").read()
    )
    gdal.GetDriverByName("GTiff").Create(tmp_vsimem / "foo.tif.ovr", 10, 10)
    ds = gdal.Translate(
        tmp_vsimem / "foo.tif.ovr",
        tmp_vsimem / "foo.tif",
        resampleAlg=gdal.GRIORA_Average,
        format="GTiff",
        width=10,
        height=10,
    )
    assert ds
    assert ds.GetRasterBand(1).Checksum() == 1152, "Bad checksum"
    ds = None


###############################################################################
# Test gdal_translate -tr with non-nearest resample


def _get_src_ds_test_gdal_translate_lib_tr_non_nearest():

    src_w = 5
    src_h = 3
    src_ds = gdal.GetDriverByName("MEM").Create("", src_w, src_h)
    src_ds.SetGeoTransform([100, 10, 0, 1000, 0, -10])
    src_ds.WriteRaster(
        0,
        0,
        src_w,
        src_h,
        struct.pack(
            "B" * src_w * src_h,
            100,
            100,
            200,
            200,
            10,
            100,
            100,
            200,
            200,
            20,
            30,
            30,
            30,
            30,
            30,
        ),
    )
    return src_ds


def test_gdal_translate_lib_tr_non_nearest_case_1():

    ds = gdal.Translate(
        "",
        _get_src_ds_test_gdal_translate_lib_tr_non_nearest(),
        resampleAlg=gdal.GRIORA_Average,
        format="MEM",
        xRes=20,
        yRes=20,
    )
    assert ds.RasterXSize == 3  # case where we round up
    assert ds.RasterYSize == 2
    assert struct.unpack("B" * 6, ds.ReadRaster()) == (100, 200, 15, 30, 30, 30)


def test_gdal_translate_lib_tr_non_nearest_case_2():

    ds = gdal.Translate(
        "",
        _get_src_ds_test_gdal_translate_lib_tr_non_nearest(),
        resampleAlg=gdal.GRIORA_Average,
        format="MEM",
        xRes=40,
        yRes=20,
    )
    assert ds.RasterXSize == 1  # case where we round down
    assert ds.RasterYSize == 2
    assert struct.unpack("B" * 2, ds.ReadRaster()) == (150, 30)


def test_gdal_translate_lib_tr_non_nearest_case_3():

    ds = gdal.Translate(
        "",
        _get_src_ds_test_gdal_translate_lib_tr_non_nearest(),
        resampleAlg=gdal.GRIORA_Average,
        format="MEM",
        xRes=25,
        yRes=20,
    )
    assert ds.RasterXSize == 2  # case where src_w * src_res / dst_res is integer
    assert ds.RasterYSize == 2
    assert struct.unpack("B" * 4, ds.ReadRaster()) == (120, 126, 30, 30)


def test_gdal_translate_lib_tr_non_nearest_oversampling():

    ds = gdal.Translate(
        "",
        _get_src_ds_test_gdal_translate_lib_tr_non_nearest(),
        resampleAlg=gdal.GRIORA_Bilinear,
        format="MEM",
        xRes=4,
        yRes=10,
    )
    assert ds.RasterXSize == 13
    assert ds.RasterYSize == 3
    assert 0 not in struct.unpack("B" * 13 * 3, ds.ReadRaster())


def test_gdal_translate_lib_preserve_block_size(tmp_vsimem):

    src_ds = gdal.GetDriverByName("GTiff").Create(
        tmp_vsimem / "tmp.tif",
        256,
        256,
        1,
        options=["TILED=YES", "BLOCKXSIZE=32", "BLOCKYSIZE=64"],
    )

    # VRT created by CreateCopy() of VRT driver
    ds = gdal.Translate("", src_ds, format="VRT")
    assert ds.GetRasterBand(1).GetBlockSize() == [32, 64]

    # VRT created by GDALTranslate()
    ds = gdal.Translate("", src_ds, format="VRT", metadataOptions=["FOO=BAR"])
    assert ds.GetRasterBand(1).GetBlockSize() == [32, 64]
    src_ds = None


###############################################################################
# Test parsing all resampling methods


@pytest.mark.parametrize(
    "resampleAlg,resampleAlgStr",
    [
        (gdal.GRIORA_NearestNeighbour, "near"),
        (gdal.GRIORA_Cubic, "cubic"),
        (gdal.GRIORA_CubicSpline, "cubicspline"),
        (gdal.GRIORA_Lanczos, "lanczos"),
        (gdal.GRIORA_Average, "average"),
        (gdal.GRIORA_RMS, "rms"),
        (gdal.GRIORA_Mode, "mode"),
        (gdal.GRIORA_Gauss, "gauss"),
    ],
)
def test_gdal_translate_lib_resampling_methods(resampleAlg, resampleAlgStr):

    option_list = gdal.TranslateOptions(
        resampleAlg=resampleAlg, options="__RETURN_OPTION_LIST__"
    )
    assert option_list == ["-r", resampleAlgStr]
    assert (
        gdal.Translate(
            "",
            "../gcore/data/byte.tif",
            format="MEM",
            width=2,
            height=2,
            resampleAlg=resampleAlg,
        )
        is not None
    )


###############################################################################
# Test not deleting auxiliary files shared by the source and a target being
# overwritten (https://github.com/OSGeo/gdal/issues/5633)


def test_gdal_translate_lib_not_delete_shared_auxiliary_files(tmp_path):

    img_foo_r1c1_jp2 = str(tmp_path / "IMG_foo_R1C1.JP2")
    img_foo_r1c1_tif = str(tmp_path / "IMG_foo_R1C1.tif")
    dim_foo_xml = str(tmp_path / "DIM_foo.XML")

    # Yes, we do intend to copy a .TIF as a fake .JP2
    shutil.copy("../gdrivers/data/dimap2/bundle/IMG_foo_R1C1.TIF", img_foo_r1c1_jp2)
    shutil.copy("../gdrivers/data/dimap2/bundle/DIM_foo.XML", dim_foo_xml)

    gdal.Translate(img_foo_r1c1_tif, img_foo_r1c1_jp2)

    os.unlink(f"{tmp_path}/IMG_foo_R1C1.IMD")

    gdal.Translate(img_foo_r1c1_tif, img_foo_r1c1_jp2)

    assert os.path.exists(f"{tmp_path}/DIM_foo.XML")


###############################################################################
# Test preservation of IsDynamic() and support for coordinate epoch


@pytest.mark.require_proj(7, 2)
def test_gdal_translate_lib_coord_epoch_is_dynamic():

    src_ds = gdal.GetDriverByName("MEM").Create("", 1, 1)

    out_ds = gdal.Translate(
        "", src_ds, options="-of MEM -a_srs EPSG:9000 -a_coord_epoch 2021.3"
    )
    srs = out_ds.GetSpatialRef()
    assert srs.IsDynamic()
    assert srs.GetCoordinateEpoch() == 2021.3

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(9000)
    assert srs.IsDynamic()
    srs.SetCoordinateEpoch(2022.0)
    src_ds.SetSpatialRef(srs)

    out_ds = gdal.Translate("", src_ds, options="-of MEM")
    srs = out_ds.GetSpatialRef()
    assert srs.IsDynamic()
    assert srs.GetCoordinateEpoch() == 2022.0


###############################################################################
# Test overviewLevel option


def test_gdal_translate_lib_overview_level(tmp_vsimem):

    src_filename = tmp_vsimem / "test_gdal_translate_lib_overview_level.tif"

    src_ds = gdal.Translate(src_filename, "../gcore/data/byte.tif")
    src_ds.BuildOverviews("AVERAGE", [2])
    src_ds.BuildOverviews("NONE", [4])

    with gdal.quiet_errors():
        with pytest.raises(Exception):
            assert gdal.Translate("", src_ds, format="MEM", overviewLevel="invalid")

    out_ds = gdal.Translate("", src_ds, format="MEM", overviewLevel="NONE")
    assert out_ds.RasterXSize == 20
    assert out_ds.RasterYSize == 20
    assert out_ds.ReadRaster() == src_ds.ReadRaster()

    out_ds = gdal.Translate("", src_ds, format="MEM", overviewLevel=0)
    assert out_ds.RasterXSize == 10
    assert out_ds.RasterYSize == 10
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster()

    out_ds = gdal.Translate("", src_ds, format="MEM", overviewLevel=1)
    assert out_ds.RasterXSize == 5
    assert out_ds.RasterYSize == 5
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(1).ReadRaster()

    out_ds = gdal.Translate("", src_ds, format="MEM", overviewLevel=2)
    assert out_ds.RasterXSize == 5
    assert out_ds.RasterYSize == 5
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(1).ReadRaster()

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel="AUTO", widthPct=50, heightPct=50
    )
    assert out_ds.RasterXSize == 10
    assert out_ds.RasterYSize == 10
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster()

    out_ds = gdal.Translate("", src_ds, format="MEM", widthPct=40, heightPct=40)
    assert out_ds.RasterXSize == 8
    assert out_ds.RasterYSize == 8
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster(
        0, 0, 10, 10, 8, 8
    )

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel=0, widthPct=25, heightPct=25
    )
    assert out_ds.RasterXSize == 5
    assert out_ds.RasterYSize == 5
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster(
        0, 0, 10, 10, 5, 5
    )

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel=0, xRes=240, yRes=240
    )
    assert out_ds.RasterXSize == 5
    assert out_ds.RasterYSize == 5
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster(
        0, 0, 10, 10, 5, 5
    )

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel=0, srcWin=[2, 2, 16, 16]
    )
    assert out_ds.RasterXSize == 8
    assert out_ds.RasterYSize == 8
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster(
        1, 1, 8, 8
    )

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel="AUTO-1", widthPct=60, heightPct=60
    )
    assert out_ds.RasterXSize == 12
    assert out_ds.RasterYSize == 12
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).ReadRaster(
        0, 0, 20, 20, 12, 12
    )

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel="AUTO-1", widthPct=40, heightPct=40
    )
    assert out_ds.RasterXSize == 8
    assert out_ds.RasterYSize == 8
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster(
        0, 0, 10, 10, 8, 8
    )

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel="AUTO-1", widthPct=25, heightPct=25
    )
    assert out_ds.RasterXSize == 5
    assert out_ds.RasterYSize == 5
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster(
        0, 0, 10, 10, 5, 5
    )

    out_ds = gdal.Translate(
        "", src_ds, format="MEM", overviewLevel="AUTO-1", widthPct=10, heightPct=10
    )
    assert out_ds.RasterXSize == 2
    assert out_ds.RasterYSize == 2
    assert out_ds.ReadRaster() == src_ds.GetRasterBand(1).GetOverview(0).ReadRaster(
        0, 0, 10, 10, 2, 2
    )

    # Test requesting an overview level that doesn't exist when there is overview
    out_ds = gdal.Translate(
        "",
        src_ds,
        format="MEM",
        overviewLevel=src_ds.GetRasterBand(1).GetOverviewCount(),
    )
    ovr_band = src_ds.GetRasterBand(1).GetOverview(
        src_ds.GetRasterBand(1).GetOverviewCount() - 1
    )
    assert out_ds.RasterXSize == ovr_band.XSize
    assert out_ds.RasterYSize == ovr_band.YSize

    # Test requesting an overview level that doesn't exist when there is no overview
    out_ds = gdal.Translate("", "../gcore/data/byte.tif", format="MEM", overviewLevel=0)
    assert out_ds.RasterXSize == 20
    assert out_ds.RasterYSize == 20


###############################################################################
# Test overviewLevel option in a situation where overview bands have not a
# dedicated owner dataset.
# Test last part of GDALOverviewDataset::IRasterIO() implementation


@pytest.mark.require_driver("JP2KAK")
def test_gdal_translate_lib_overview_level_freestanding(tmp_vsimem):

    tmp_filename = tmp_vsimem / "tmp.jp2"

    src_ds = gdal.Translate(
        tmp_filename,
        "../gcore/data/byte.tif",
        width=20 * 32,
        creationOptions=["QUALITY=100"],
        format="JP2KAK",
    )
    out_ds = gdal.Translate("", src_ds, format="MEM", overviewLevel=0, width=20)
    assert out_ds.GetRasterBand(1).Checksum() == 4667


###############################################################################
# Test copying a raster with no input band


def test_gdal_translate_lib_no_input_band():

    src_ds = gdal.GetDriverByName("MEM").Create("", 1, 1, 0)
    with pytest.raises(Exception):
        gdal.Translate("", src_ds, format="MEM")
    with pytest.raises(Exception):
        gdal.Translate("", src_ds, format="MEM", outputType=gdal.GDT_Int16)


###############################################################################
# Test -scale and -unscape


@gdaltest.enable_exceptions()
def test_gdal_translate_lib_scale_and_unscale_incompatible():

    with pytest.raises(
        Exception, match=r"-scale and -unscale cannot be used as the same time"
    ):
        gdal.Translate(
            "",
            gdal.Open("../gcore/data/byte.tif"),
            format="MEM",
            scaleParams=[[0, 255, 0, 65535]],
            unscale=True,
            outputType=gdal.GDT_UInt16,
        )


###############################################################################
# Test option argument handling


def test_gdal_translate_lib_dict_arguments():

    opt = gdal.TranslateOptions(
        "__RETURN_OPTION_LIST__",
        creationOptions=collections.OrderedDict(
            (("COMPRESS", "DEFLATE"), ("LEVEL", 4))
        ),
        metadataOptions=collections.OrderedDict(
            (("AREA_OR_POINT", "Area"), ("TIFFTAG_XRESOLUTION", 123))
        ),
    )

    co_idx = opt.index("-co")

    assert opt[co_idx : co_idx + 4] == ["-co", "COMPRESS=DEFLATE", "-co", "LEVEL=4"]

    mo_idx = opt.index("-mo")

    assert opt[mo_idx : mo_idx + 4] == [
        "-mo",
        "AREA_OR_POINT=Area",
        "-mo",
        "TIFFTAG_XRESOLUTION=123",
    ]


###############################################################################
# Test -ovr and RPC (https://github.com/OSGeo/gdal/issues/8386)


def test_gdal_translate_ovr_rpc():

    src_ds = gdal.Translate("", "../gcore/data/byte_rpc.tif", format="MEM")
    src_ds.BuildOverviews("NEAR", [2])
    ds = gdal.Translate("", src_ds, format="MEM", overviewLevel=0)
    src_rpc = src_ds.GetMetadata("RPC")
    ovr_rpc = ds.GetMetadata("RPC")
    assert ovr_rpc
    assert float(ovr_rpc["LINE_OFF"]) == pytest.approx(0.5 * float(src_rpc["LINE_OFF"]))
    assert float(ovr_rpc["LINE_SCALE"]) == pytest.approx(
        0.5 * float(src_rpc["LINE_SCALE"])
    )
    assert float(ovr_rpc["SAMP_OFF"]) == pytest.approx(0.5 * float(src_rpc["SAMP_OFF"]))
    assert float(ovr_rpc["SAMP_SCALE"]) == pytest.approx(
        0.5 * float(src_rpc["SAMP_SCALE"])
    )
