#!/usr/bin/env python3

from grass.gunittest.case import TestCase
from grass.gunittest.main import test

import grass.script as gs


class TestRImportRegion(TestCase):

    imported = "test_r_import_imported"

    @classmethod
    def setUpClass(cls):
        cls.runModule("g.region", raster="elevation")

    def tearDown(cls):
        """Remove imported map after each test method"""
        cls.runModule("g.remove", flags="f", type="raster", name=cls.imported)

    def test_import_estimate(self):
        """Test e flag"""
        self.assertModule(
            "r.import",
            input="data/data2.asc",
            output=self.imported,
            resample="nearest",
            flags="e",
        )
        self.assertRasterDoesNotExist(name=self.imported)

    def test_import_same_proj_tif(self):
        """Import tif in same proj, default params"""
        self.assertModule(
            "r.import",
            input="data/data1.tif",
            output=self.imported,
            resample="bilinear",
        )
        reference = dict(
            north=223490,
            south=223390,
            east=636820,
            west=636710,
            nsres=10,
            ewres=10,
            datatype="FCELL",
        )
        self.assertRasterFitsInfo(
            raster=self.imported, reference=reference, precision=1e-6
        )

    def test_import_asc_custom_res(self):
        """Import ASC in different projection, with specified resolution"""
        self.assertModule(
            "r.import",
            input="data/data2.asc",
            output=self.imported,
            resample="nearest",
            resolution="value",
            resolution_value=30,
        )
        reference = dict(rows=3, cols=4, nsres=30, ewres=30, datatype="CELL")
        self.assertRasterFitsInfo(
            raster=self.imported, reference=reference, precision=1.1
        )

    def test_import_asc_region_extent(self):
        """Import ASC in different projection in specified region"""
        self.runModule("g.region", raster="elevation", n=223655, s=223600)
        self.assertModule(
            "r.import",
            input="data/data2.asc",
            output=self.imported,
            resample="nearest",
            extent="region",
            resolution="region",
        )
        reference = dict(north=223655, south=223600)
        self.assertRasterFitsInfo(
            raster=self.imported, reference=reference, precision=1e-6
        )

    def test_import_use_temp_region(self):
        """Import in specified region with use_temp_region activated"""
        self.runModule("g.region", raster="elevation", n=223660, s=223600)
        gs.use_temp_region()
        self.runModule("g.region", raster="elevation", n=223630, s=223600)
        self.assertModule(
            "r.import",
            input="data/data2.asc",
            output=self.imported,
            resample="nearest",
            extent="region",
            resolution="region",
        )
        reference = dict(north=223630, south=223600, nsres=10, ewres=10)
        self.assertRasterFitsInfo(
            raster=self.imported, reference=reference, precision=1e-6
        )

        self.runModule("g.region", raster="elevation", s=223390, n=223450)
        self.assertModule(
            "r.import",
            input="data/data1.tif",
            output=self.imported,
            resample="bilinear",
            extent="region",
            overwrite=True,
        )
        reference = dict(south=223390, north=223450, nsres=10, ewres=10)
        self.assertRasterFitsInfo(
            raster=self.imported, reference=reference, precision=1e-6
        )

        gs.del_temp_region()
        self.assertModule(
            "r.import",
            input="data/data2.asc",
            output=self.imported,
            resample="nearest",
            extent="region",
            resolution="region",
            overwrite=True,
        )
        reference = dict(north=223660, south=223600, nsres=10, ewres=10)
        self.assertRasterFitsInfo(
            raster=self.imported, reference=reference, precision=1e-6
        )


if __name__ == "__main__":
    test()