# -*- coding: utf-8 -*-
from helper import unittest, PillowTestCase
from PIL import Image
from PIL import ImageDraw, ImageFont

#check if raqm installed
have_raqm = ImageFont.core.have_raqm

FONT_SIZE = 20
FONT_PATH = "Tests/fonts/DejaVuSans.ttf"

try:
    from PIL import ImageFont
    
    ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
    im = Image.new(mode='RGB', size=(300, 100))
    draw = ImageDraw.Draw(im)
    draw.text((0, 0), 'TEST', font=ttf, fill=500, direction='ltr')
    @unittest.skipIf(not have_raqm, "Raqm Library is not installed !")
    class TestImagecomplextext(PillowTestCase):
        def test_complex_text(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), 'اهلا عمان', font=ttf, fill=500)

            target = 'Tests/images/test_text.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_y_offset(self):
            ttf = ImageFont.truetype("Tests/fonts/NotoNastaliqUrdu-Regular.ttf", FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), 'العالم العربي', font=ttf, fill=500)

            target = 'Tests/images/test_y_offset.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_complex_unicode_text(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), u'السلام عليكم', font=ttf, fill=500)

            target = 'Tests/images/test_complex_unicode_text.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_text_direction_rtl(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), 'English عربي', font=ttf, fill=500, direction='rtl')

            target = 'Tests/images/test_direction_rtl.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_text_direction_ltr(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0),  'سلطنة عمان Oman', font=ttf, fill=500, direction='ltr')

            target = 'Tests/images/test_direction_ltr.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_text_direction_rtl2(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), 'Oman سلطنة عمان', font=ttf, fill=500, direction='rtl')

            target = 'Tests/images/test_direction_ltr.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_ligature_features(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), 'filling', font=ttf, fill=500, features=['-liga'])

            target = 'Tests/images/test_ligature_features.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_kerning_features(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), 'TeToAV', font=ttf, fill=500, features=['-kern'])

            target = 'Tests/images/test_kerning_features.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

        def test_arabictext_features(self):
            ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)

            im = Image.new(mode='RGB', size=(300, 100))
            draw = ImageDraw.Draw(im)
            draw.text((0, 0), 'اللغة العربية', font=ttf, fill=500, features=['-fina','-init','-medi'])

            target = 'Tests/images/test_arabictext_features.png'
            target_img = Image.open(target)

            self.assert_image_similar(im, target_img, .5)

except ImportError:
    class TestImagecomplextext(PillowTestCase):
        def test_skip(self):
            self.skipTest("ImportError")
except KeyError:
    class TestImagecomplextext(PillowTestCase):
        def test_skip(self):
            self.skipTest("KeyError")

if __name__ == '__main__':
    unittest.main()

# End of file